Art
[1]Mutual citations and related applications
[2]This application claims the benefit of priority based on the date of May 18, 2017 Korea Patent Application No. 10-2017-0061893, and all information disclosed in the literature of the Korea patent application are included as part of the specification.
[3]
Art
[4]
The present invention relates to an electrode assembly, the electrode assembly manufacturing apparatus and manufacturing method.
BACKGROUND
[5]
This secondary battery has been developed, unlike primary cells, rechargeable, and due also to the small size and large capacity much potential research in recent years. The demand for secondary batteries as an energy source has increased dramatically as the development of technology and demand for mobile devices increases.
[6]
This secondary battery according to the shape of the battery case, the nose is classified as type battery, a cylindrical battery, a prismatic battery, and a pouch-shaped battery. The electrode assembly mounted inside the battery case in a secondary battery is a power generation device capable of charge and discharge made of a stacked structure of electrodes and separators.
[7]
The electrode assembly is interposed a separator between the anode and the cathode of the active material is applied to a sheet-like (介 在) by winding the jelly roll (Jelly-roll) stacked one type, stacking a plurality of positive and negative electrodes in a membrane interposed state type by, and a take-up stack of unit cells stacked as separate film of the longer length / folding type can be roughly classified.
[8]
In the prior art it was conducted a lamination (Lamination) at high temperature to increase a mutual adhesion between the electrode and the separator. However, damage to the membrane such that the contraction by the high temperature is generated and has been a problem with the increased cell resistance caused.
Detailed Description of the Invention
SUMMARY
[9]
One aspect of the present invention to provide a method, preventing damage to manufacture the electrode assembly manufacturing apparatus that can increase the adhesive strength between the electrode and the separator and the membrane electrode assembly.
[10]
Another aspect of the present invention is to provide an electrode and electrode assembly manufacturing apparatus which can uniformly increase the interfacial adhesion between the membrane and electrode assembly manufacturing method.
Problem solving means
[11]
For manufacturing method an electrode assembly according to an embodiment of the present invention is to increase the interfacial adhesion between electrode and separator, melting (Melting) through induction solvent melting derivation leading to melting the membrane outer surface portion and the electrode and the membrane lamination (lamination) comprising the step, and the melting induction process to bring together alternately stacked is the steam moistened conditions, including the vaporization process of forming the space of the steam humidifier status screen steam the melting induction solvent by positioning the electrode and the separator to the area, may lead to a uniform melting of said membrane outer surface.
[12]
In addition, the electrode assembly manufacturing apparatus according to an embodiment of the present invention, melting induction solvent to the electrode and the separator is guided to the electrode assembly and the outer surface parts of melting of the separator which is provided in turn to increase the interfacial adhesion between the electrode and the membrane , the receiving portion is formed to drive the chamber, and a uniform melting the membrane outer surface portion positioned in the receiving portion of the chamber for accommodating therein said induction melting solvent contained in the chamber may include a steam heater crystallized.
Effects of the Invention
[13]
According to the invention, by using the melting (Melting) derived solvents it is possible to increase the interfacial adhesion between the electrode and the separator. More specifically, melting (Melting) by guiding the outer surface portion of the melting membrane using DMC (Di-Methyl Carbonate) by inducing a solvent, may also be a lamination of electrode and separator temperature. That is, while preventing the membrane is damaged by the lamination of a high temperature can improve the adhesion between the electrode and the separator.
[14]
According to the present invention, it is passed through the electrodes and the separator in the humidifying state to the vapor space melting induction solvent can be uniformly melting the outer portion of the separation membrane. As a result, the interfacial adhesion between the electrode and the membrane can be uniformly increased.
Brief Description of the Drawings
[15]
1 is an illustrative cross-sectional view of the electrode assembly, the electrode assembly manufacturing method and manufacturing apparatus according to an embodiment of the present invention.
[16]
2 is an exploded perspective view illustrating a secondary battery including an electrode assembly manufactured by the electrode assembly manufacturing apparatus and a method for producing an electrode assembly according to an embodiment of the present invention.
[17]
Figure 3 is a comparison of the adhesion of the electrode assembly and a conventional electrode assembly manufactured by the electrode assembly manufacturing apparatus and a method for producing an electrode assembly according to an embodiment of the invention the chart.
[18]
4 is an illustrative cross-sectional view of the electrode assembly, the electrode assembly manufacturing method and manufacturing apparatus according to another embodiment of the present invention.
Best Mode for Carrying Out the Invention
[19]
For manufacturing method an electrode assembly according to an embodiment of the present invention is to increase the interfacial adhesion between electrode and separator, melting (Melting) through induction solvent melting derivation leading to melting the membrane outer surface portion and the electrode and the membrane lamination (lamination) comprising the step, and the melting induction process to bring together alternately stacked is the steam moistened conditions, including the vaporization process of forming the space of the steam humidifier status screen steam the melting induction solvent by positioning the electrode and the separator to the area, may lead to a uniform melting of said membrane outer surface.
[20]
In addition, the electrode assembly manufacturing apparatus according to an embodiment of the present invention, melting induction solvent to the electrode and the separator is guided to the electrode assembly and the outer surface parts of melting of the separator which is provided in turn to increase the interfacial adhesion between the electrode and the membrane , the receiving portion is formed to drive the chamber, and a uniform melting the membrane outer surface portion positioned in the receiving portion of the chamber for accommodating therein said induction melting solvent contained in the chamber may include a steam heater crystallized.
Mode for the Invention
[21]
An object of the present invention, particular advantages, and novel features will become more apparent from the detailed description and the preferred embodiments below that in connection with the accompanying drawings. In addition as the reference numerals to components in the drawings herein, hanhaeseoneun to like elements even though shown in different drawings, even if should be noted that and to have the same number as possible. In addition, the present invention is not be implemented in many different forms and limited to the embodiments set forth herein. Then, in the following description, detailed description of the related art which may unnecessarily obscure the subject matter of the present invention will be omitted.
[22]
[23]
Figure 1 is an exemplary view showing an electrode assembly manufacturing apparatus and the electrode assembly manufacturing method according to an embodiment of the invention a cross-sectional view, Figure 2 is manufactured through the electrode assembly manufacturing apparatus and the electrode assembly manufacturing method according to an embodiment of the present invention It is an exploded perspective view illustrating a secondary battery including the electrode assembly.
[24]
Referring to Figure 1, the electrode assembly manufacturing method according to an embodiment of the present invention is to concentrate the melting derivation process, and the electrode 13 and the membrane 14, which leads to membrane 14, the outer parts of melting (Melting) alternately including lamination (lamination) step of laminating to produce an electrode assembly 10. Here, FIG. 2, the electrode assembly 10 is accommodated in the electrode 13 and the membrane 14 as a power generation element that is the charging and discharging laminated alternately, the battery case 30, a secondary battery (1) constructs.
[25]
[26]
In the following, with reference to Figures 1 to 3, it will be described in more detail with respect to the first embodiment of the electrode assembly manufacturing method of the present invention;
[27]
With reference to Figures 1 and 2, melting derivation leads to melting membrane 14 the outer portion through the induction melting solvent (M) to increase the interfacial adhesion between the electrode 13 and the membrane 14.
[28]
At this time, the electrode 13 and the membrane 14 may be positioned alternately. Here, the electrode 13 may be positioned, as a positive electrode 11, separator 14 and negative electrode 12 are alternately includes a positive electrode 11 and negative electrode 12.
[29]
A positive electrode 11 is the cathode current collector (not shown) and positive electrode current collector include the entire positive electrode active material (not shown) applied to, and the negative electrode 12 is a negative electrode active material applied on the negative electrode current collector (not shown) and a negative electrode current collector It may include (not shown).
[30]
The positive electrode collector may be made of example, the foil (foil) of aluminum (Al) material, for example.
[31]
The positive electrode active material may be formed of lithium manganese oxide for example, lithium cobalt oxide, lithium nickel oxide, lithium iron phosphate, or the like, and mixtures comprising one compound or more species of them.
[32]
In addition, the positive electrode active material may be made of another example Hi Ni-based cathode material. Here, it may be made by including at least one of a Ni-based cathode material LiNiMnCoO Hi-based, or based LiNiCoAl LiMiMnCoAl system.
[33]
The anode current collector may be made of, for example, copper (Cu) or nickel (Ni) foil material (foil) made of a.
[34]
Negative electrode active material may be made of a synthetic material which comprises a graphite as an example.
[35]
In addition, the negative electrode active material may be made of another example of a lithium metal, lithium alloys, carbon, petroleum coke, activated carbon, graphite, silicon compound, tin compound, titanium compound or an alloy thereof.
[36]
Membrane 14 is electrically isolated between the insulating material consists of a positive electrode 11 and negative electrode 12.
[37]
Further, the separator 14 can be made, including the enamel tingcheung (14b) formed on the outer surface portion of the substrate (14a) and a base (14a). In this case, the enamel tingcheung (14b) may include an organic material, and melting the organic matter of enamel tingcheung (14b) through the Induction melting solvent (M). That is, the induction melting solvent (M) may be the only organic matter of enamel tingcheung (14b) without melting the base material (14a) melting the enamel tingcheung screen (14b) software (Soft).
[38]
Substrate (14a) may be formed of a polyolefin resin film or the like, for example with polyethylene, polypropylene and a non-porous. Here, the base (14a) is a resin polymer, and does not melt (熔融, melting) in the induction melting solvent (M). At this time, the substrate (14a) may be formed of a film (Film) form.
[39]
Mel tingcheung (14b) may be formed, including inorganic and organic substances. Here, the organic material may comprise a binder and a dispersing agent. In this case, a binder, and a dispersant may be made of a monomolecular organic solvent induction melting to melting (M).
[40]
Further, the enamel tingcheung (14b) may be formed to include, for example, mineral 80-90% by weight, binder 9-18% by weight and a dispersing agent 1-2% by weight.
[41]
Minerals, for example, may be made of aluminum oxide (Al2O3).
[42]
Binder (Binder) include, poly hydrofluoric vinylidene example; may be made of a (PVdF Polyvinylidene Fluoride) copolymer (copolymer).
[43]
Dispersant (分散 劑) is cyanoethyl (cyanoethyl) polyvinyl alcohol, for example; may be made of (PVA polyvinyl alcohol).
[44]
Then, the induction melting process, it is possible to screen the steam induction melting solvent (M) further include a vaporization process of forming the space of the steam humidification condition. At this time, by placing the vaporized electrode 13 to the vapor space of the humidifying state in a process and a membrane (14) can lead to membrane 14, a uniform melting of the surface. That is, the melting induction solvent (M) is the melting of the surface opposed to the electrode 13 from the separator 14 is located in a steam moistened conditions spatial separation membrane 14 is uniformly induction electrode 13 and the separator ( the adhesion between the 14) can be made uniform.
[45]
Further, the vaporization process can be vaporized for induction melting a solvent (M) that is received in the receiving portion 111 formed in the interior of the chamber (chamber) (110). At this time, the induction melting solvent (M) is vaporized, whereby it is possible to form a steam moistened conditions of space in the receiving portion 111 of the chamber 110. Accordingly, by positioning the electrode 13 and the membrane 14 to the receiving portion 111 of the chamber 110, it can lead to melting of the separator (14).
[46]
In addition, the vaporization process is heated to the melting induction solvent (M) received in the receiving portion 111 of the chamber 110 via a heater (Heater) (130) may be vaporized for induction melting a solvent (M). At this time, melting and accommodating the induction solvent (M) in the lower receiving portion 111 of the chamber 110, by a heater 130 to the bottom side of the chamber 110 can be vaporized a melting induction solvent (M) have. Here, by including a coil (not shown) wound around the heater 130, for example in the interior of the heater case (not shown) and a heater case, it is possible to heat the melting induction solvent (M) by the heat of the coil resistance.
[47]
On the other hand, induction melting process, a solvent can be used in the affinity for organic matter of enamel tingcheung (14b) to the melting induction solvent (M). Here, the melting induction solvent (M) may use the DMC (Di-Methyl Carbonate, dimethyl carbonate) solvent. In this case, the vaporization process can be vaporized by heating the DMC solvent to 80 ~ 90 ° C by the heater 130.
[48]
In this way, increased flower between the DMC solvent by melting the organic material contained in the enamel tingcheung (14b) of the separator 14, a separator 14, an outer surface portion leading to a uniform melting, and the electrode 13 and the separator 14 the adhesive strength of the interface can be so uniform, and increase.
[49]
On the other hand, induction melting process can be melting the separator 14 sikimyeo through the receiving portion 111 of the chamber 110, the electrode 13 and the membrane 14.
[50]
A this time, the steam that is externally discharged from the receiving portion 111 of the electrode 13 and the separator 14 is provided with chamber 110, the vacuum hood 140 on both sides of the chamber 110 with respect to the direction of movement of the screen DMC the solvent can be sucked through the vacuum holes 141 of the vacuum hood (140). Accordingly, it is possible to prevent the harmful DMC solvent in the human body is discharged to the outside of the chamber (110).
[51]
[52]
1 and Fig. 2, the lamination (lamination) processes is to be laminated to bring together a pair of rolls 121, 122 lamination portion electrode 13 and separator 14 through 120, including alternately can.
[53]
Further, the lamination process can be performed in the receiving portion 111 of the chamber 110.
[54]
In addition, the lamination process can be laminated by pressing sikimyeo through the electrode 13 and the membrane 14 between a pair of rolls 121 and 122, by bringing together the electrode 13 and the membrane 14. At this time, the adhesive can be the adhesive surface of the outer portion and the electrode 13 of the membrane 14 by melting the melting induction solvent (M). Here, uniformly melting through the outer surface portion melting induction solvent (M) of the separator 14 facing the electrode 13, and a pair of rolls 121 and 122 without applying a high temperature is also a separator 14 through the electrode ( is between 13) it can be uniformly adhered with a strong adhesive force. Accordingly, it is possible to prevent the membrane 14 is damaged due to high temperature and can prevent a problem that the resistance of the separation membrane 14, the electrode assembly 10 in accordance with the increased damage.
[55]
Here, it is possible to include a pair of rolls 121 and 122, for example, the electrode 13 and the membrane upper roll 121 and lower roll 122 is positioned above and below the 14.
[56]
On the other hand, lamination processes may be located for PET (polyethylene terephthalate, Polyethylene terephthalate) (20) on the outermost surface of the alternating electrode 13 and the membrane 14. That is, the electrode and the separator 14. After each position of PET (20) on both sides of the electrode assembly 10, electrode assembly 10 through the pressing roll 121 and 122 is PET (20) of the pair comprising a a pressed, Nation-ray process may prevent damage to the electrode assembly 10 in.
[57]
Then, the lamination process, it is possible to maintain the rolls 121 and 122 a pair of, for example, at a temperature of 0 ~ 100 ° C. The lamination process may be more specifically to maintain such rolls 121 and 122 of the pair contains a temperature of 45 ~ 90 ° C, and pressing the electrode 13 and the membrane 14. At this time, the rolls of the example more concrete example pair 121, 122 and to maintain the temperature of 50 ° C it is possible to press the electrode 130 and the separator (14).
[58]
[59]
Figure 3 is a comparison of the adhesion of the electrode assembly and a conventional electrode assembly manufactured by the electrode assembly manufacturing apparatus and a method for producing an electrode assembly according to an embodiment of the invention the chart. Here, FIG. 2, the vertical axis represents the adhesive force between the electrode 13 and the separator 14, the horizontal axis represents the measurement interval.
[60]
As shown in Figure 3, the electrode assembly manufactured by the electrode assembly manufacturing method according to an embodiment of the present invention (A1, A2) the adhesion between the electrode 13 and the separator 14, the conventional electrode assembly (B1 superior to, B2), and it can be seen that uniform.
[61]
More particularly, the adhesive force between the exemplary electrodes 13 in the electrode assembly (A1, A2) produced by the electrode assembly manufacturing method according to the example and the membrane 14 of the present invention mean 143.9.9 ~ 155.0 (gf) and, manufactured as a conventional electrode assembly (B1, B2) from the electrode 13 and the membrane 14, the adhesive force average 39.9 ~ 41.5 (gf) between, through the electrode assembly manufacturing method according to an embodiment of the present invention the adhesion of the electrode assembly (A1, A2) can be seen that significantly higher than a conventional electrode assembly (B1, B2).
[62]
In addition, the electrode assembly (A1, A2) electrode 13 and a separator 14, the deviation of the adhesive strength is 3.2 ~ 4.8 (gf) between the manufacturing through the electrode assembly manufacturing method according to an embodiment of the present invention, the prior as the electrode assembly (B1, B2) from the electrode 13 and the membrane 14 is 8.6 ~ 9.3 (gf) variation in the adhesion between, the electrode assembly manufactured by the electrode assembly manufacturing method according to an embodiment of the present invention it can be seen that a significantly more uniform adhesive force (B1, B2) of the conventional electrode assembly (A1, A2). (See Fig. 1)
[63]
[64]
4 is an illustrative cross-sectional view of the electrode assembly, the electrode assembly manufacturing method and manufacturing apparatus according to another embodiment of the present invention
[65]
Referring to Figure 4, the electrode assembly according to another embodiment of the present invention production process is a separator (14) melting induced leading to an outer surface portion melting process, and the electrode and membrane lamination of laminating to mobilize 14 to the materials (lamination ) a process. At this time, the melting derivation process may include a vaporization process of the vaporized solvent induction melting (M).
[66]
The electrode assembly manufacturing method according to another embodiment of the present invention is compared to the electrode assembly manufacturing method according to the above-described example, the difference further comprises a vacuum process of the vacuum inside the chamber 210. The
[67]
Thus, the present embodiment is the same as information, an embodiment will be briefly described, and the technique with the focus on the differences.
[68]
The electrode assembly manufacturing method according to another embodiment of the present invention may further include a vacuum process of creating a receiving portion 211 of the chamber 210 before vaporization process in a vacuum state in the melting derivation. Accordingly, by lowering the internal chamber 210, pressure can increase the volatility of the solvent, induction melting (M).
[69]
And, a vacuum process can make the receiving portion 211 of the chamber 210 through the study 220 binary, for example in a vacuum state. At this time, the vacuum 220 may be made of example, a vacuum pump, for example.
[70]
In addition, the chamber 210 may be formed from a hermetic chamber so as to easily form the vacuum in the receiving portion 211 through the vacuum. Here, the chamber 210 may be provided as a closed chamber.
[71]
In addition, the receiving portion 211 of the chamber 210 can maintain a pressure less than atmospheric, for example. Here, the receiving portion 211 of the chamber 210, for example, it is possible to maintain the pressure of -99 ~ -80 KPa. At this time, the receiving portion 211 of the chamber 210 can maintain a pressure of, for example -93 ~ -80 KPa to be more specific.
[72]
[73]
Hereinafter, with reference FIG. 1, described in more detail for the manufacturing apparatus of an electrode assembly according to one embodiment of the present invention.
[74]
Referring to Figure 1, the electrode assembly manufacturing apparatus 100 according to an embodiment of the present invention includes an electrode assembly 10 and the melting induction solvent chamber 110 and the melting induction solvent (M) for receiving the (M) and a heater 130 to vaporize. In addition, the electrode assembly manufacturing apparatus 100 according to an embodiment of the present invention may further include a lamination unit 120 and a vacuum hood (140).
[75]
Chamber 110 is formed with a receiving portion 111 to be received within the electrode assembly 10 and the induction melting solvent (M).
[76]
Between the electrode assembly 10 includes electrode 13 and the separator 14 is provided with alternately, melting induction solvent (M) is to lead to the outer surface parts of melting of the separator 14, the electrode 13 and the separator 14 it is possible to increase the interfacial adhesion.
[77]
Here, the electrode 13 may be positioned, as a positive electrode 11, separator 14 and negative electrode 12 are alternately includes a positive electrode 11 and negative electrode 12.
[78]
Membrane 14 is electrically isolated between the insulating material consists of a positive electrode 11 and negative electrode 12.
[79]
Further, the separator 14 can be made, including the enamel tingcheung (14b) formed on the outer surface portion of the substrate (14a) and a base (14a). In this case, the enamel tingcheung (14b) may include an organic material, and melting the organic matter of enamel tingcheung (14b) through the Induction melting solvent (M). That is, the induction melting solvent (M) of the substrate (14a) may be not only the organic material of melting melting enamel tingcheung (14b) to screen the enamel tingcheung (14b) software (Soft).
[80]
Substrate (14a) may be formed of a polyolefin resin film or the like, for example with polyethylene, polypropylene and a non-porous. Here, the base (14a) is a resin polymer, and does not melt (熔融, melting) in the induction melting solvent (M). At this time, the substrate (14a) may be formed of a film (Film) form.
[81]
Mel tingcheung (14b) may be formed, including inorganic and organic substances. Here, the organic material may comprise a binder and a dispersing agent. Here, the binder and the dispersing agent may be made up of a monomolecular organic solvent induction melting to melting (M).
[82]
On the other hand, induction melting solvent (M) may be made of a solvent that has affinity for the organic enamel tingcheung (14b). Here, the melting induction solvent (M) may use the DMC (Di-Methyl Carbonate) solvent.
[83]
Heater 130 may be formed in the space of the steam humidification state in the receiving portion 111 of the melting induction was vaporized by heating in the solvent (M), the chamber (110) received in the receiving portion 111 of the chamber 110 can. Consequently, it is possible that a uniform melting in the outer surface portion of the membrane 14, which is located in the wet steam state space is guided be a uniform adhesion between the electrode 13 and the membrane 14.
[84]
Further, the heater for 130 g may be heated to melting induction solvent (M) by, the heat resistance of the coil, including a coil wound around the inside of the heater casing and the heater case.
[85]
Lamination unit 120 may be laminated by mobilizing in turn presses the outer portions melting is induced membrane 14 and the electrode 13. Here, the lamination unit 120 may be laminated to the pressure sikimyeo including rolls 121, 122 of the pair, and through the electrode 13 and the membrane 14 between a pair of rolls 121 and 122.
[86]
Vacuum hood 140 may be provided on both sides of the chamber 110 with respect to the direction of movement of the electrode 13 and the separator 14 through the receiving portion 11 of the chamber 110. Here, the outlet and the inlet may be formed such that on both sides of the chamber 110, the electrode 13 and the separator 14 is passed. Then, the vacuum hood 140 can suck the induction melting solvent (M) exiting through the outlet and the inlet of the chamber 110. After all, the electrode 13 and the membrane 14 is passing through the receiving portion 11 of the chamber 110, an induction melting solvent (M) out of the chamber 110 may not be leaked. In addition, the vaporized induction melting which is introduced through the vacuum hood 140, the solvent (M) may be used again to re-liquefied.
[87]
[88]
In the following, with reference to Figure 4, there will be described in more detail for the electrode assembly manufacturing apparatus according to another embodiment of the present invention.
[89]
Referring to FIG 4, the electrode assembly according to another embodiment of the present invention, manufacturing apparatus 200 includes a vapor chamber 210 and the melting induction solvent (M) for accommodating the electrode assembly 10 and the melting induction solvent (M) and a heater 130 of screen.
[90]
The electrode assembly manufacturing apparatus 200 according to another embodiment of the present invention as compared to the electrode assembly manufacturing apparatus 100 according to the above-described example, include a vacuum 220 to evacuate the interior of the chamber 210 more there are differences.
[91]
Vacuum 220 is connected to the receiving portion 211 of the chamber 210, it is possible to evacuate the receiving portion 211 of the chamber 210. At this time, the chamber 210 may be formed of a closed chamber to a vacuum to facilitate the receiving portion 211 through the vacuum 220. Then, the vacuum 220 may be made of example, a vacuum pump, for example.
[92]
[93]
Above been described in detail through a particular embodiment of the invention, which is not to be, the electrode assembly according to the invention and apparatus for manufacturing the electrode assembly manufacturing method to be described in detail the present invention is not limited thereto. The various embodiments by those skilled in the art within the spirit of the present invention will be that it is possible.
[94]
In addition, the specific scope of protection of the invention will become clear by the following claims.

Claims

[Claim 1]To increase the interfacial adhesion between electrode and separator, melting the derivation leading to the membrane outer surface portion by melting the melting (Melting) derived solvent; And to the electrodes and the lamination (lamination) comprising the step, and the melting derivation process of laminating to bring together the separation membrane in turn comprises a vaporization process of forming the space of the steam humidifier status screen steam the melting induction solvent , by positioning the electrode and the separator in the vapor space of the humidifying state, the electrode assembly manufacturing method for inducing a uniform melting the outer membrane portion.
[Claim 2]
The method according to claim 1, wherein the separation membrane is soft the substrate and the enamel tingcheung by Mel tingcheung is formed, the melting derivation process including the organic material in the outer surfaces of the base material is melting the organic material of the enamel tingcheung through the melting induction solvent (Soft) screen electrode assembly manufacturing method of.
[Claim 3]
The method according to claim 2, wherein the melt tingcheung comprises an inorganic material and said organic material, said organic material is a process for producing an electrode assembly comprising a binder and a dispersing agent.
[Claim 4]
The method according to claim 3, wherein the substrate is made of a resin film of high molecular weight body, the binder and the dispersing agent is the electrode assembly manufacturing method comprising a monomolecular organic matter.
[Claim 5]
The method according to claim 1, wherein the melting derivation process is to form a space of the vapor humidification state in the receiving portion formed in the inner chamber, sikimyeo positioning the electrode and the separator to the receiving part of the chamber and electrode assemblies to induce melting of the separator method.
[Claim 6]
The method according to claim 5, wherein the vaporization process the induction melting receiving the solvent, heating the solvent melting induction melting the induction process for producing a vapor solidifying solvent an electrode assembly through a heater receiving portion of the chamber.
[Claim 7]
A method according to any one of claims 1 to 6, wherein the melting derivation process is to induce melting of the organic substance contained in the enamel tingcheung of the separation membrane by using the DMC (Di-Methyl Carbonate, dimethyl carbonate) solvent with the melting induction solvent the electrode assembly manufacturing method.
[Claim 8]
The system according to claim 7, wherein the vaporized solidifying process method of producing vapor by heating the electrode assembly DMC solvent to 80 ~ 90 ° C.
[Claim 9]
The system according to claim 7, wherein the melting derivation is the outer surface parts of melting, and on both sides of the chamber, the vacuum hood having relative to the direction in which the electrodes and the membrane of the separation membrane sikimyeo passage receiving portion of the chamber to the electrode and the membrane is, the electrode assembly manufacturing method for sucking the DMC solvent to be discharged to the outside of the chamber to the vacuum hood.
[Claim 10]
The method according to claim 7, wherein said induction melting process method for manufacturing the electrode assembly further comprises a process of creating a vacuum to the receiving portion of the vacuum chamber prior to the vaporization process.
[Claim 11]
The method according to claim 5, wherein the lamination (lamination) process is carried out in the method of manufacturing the electrode assembly receiving part of the chamber.
[Claim 12]
The method according to claim 11, wherein the lamination process is pressed sikimyeo passed through the electrodes and the separator between the rolls of the pair, the electrode assembly manufacturing method of the laminate to bring together the electrode and the separator.
[Claim 13]
The chamber portion is formed to accommodate the electrodes and the separator is guided to the electrode assembly and the outer surface portion of said melting separator provided alternately accommodate induction melting solvent to increase the interfacial adhesion between the electrode and the separator therein; And an electrode assembly manufacturing apparatus, including a steam heater solidifying the melting induction solvent contained in the chamber to induce a uniform melting the membrane outer surface portion positioned in the receiving portion of the chamber.
[Claim 14]
The method according to claim 13, lamination electrode assembly manufacturing apparatus comprising a laminating presses to the separator and the electrode the outer surface parts of the induction melting concentrate alternately.
[Claim 15]
The method according to claim 14, wherein the lamination unit includes a roll of the pair, the electrode assembly manufacturing apparatus which presses sikimyeo passed through the electrodes and the separator laminated between the rolls of the pair.
[Claim 16]
The method according to claim 13, wherein the chamber further comprising a learning binary associated with the receiving part of the chamber includes an electrode assembly manufacturing apparatus comprising a hermetic chamber to accommodate the addition of the vacuum chamber through the vacuum.
[Claim 17]
The method according to claim 13, wherein the electrode and the separator is provided on both side portions of the chamber with respect to the receiving passage when, the direction of movement of avoid the melting induction solvent flow out of the chamber, the electrode and the separator portion of the chamber the electrode assembly manufacturing apparatus further comprising a vacuum hood for sucking the induction melting solvent.