[1]Mutual citations and related applications
[2]This application claims the benefit of priority based on the 24-day Korea Patent Application No. 10-2017-0064271 05 January 2017, 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 a secondary battery, the plasma generating device to implement, in particular a patterned adhesive on the surface of the separation membrane related to a secondary battery, the plasma generating device.
BACKGROUND
[5]
In general, a secondary battery (secondary battery), unlike primary batteries that can not be charged refers to a cell capable of charging and discharging, such secondary batteries are widely used in high-tech electronic apparatus fields such as phones, notebook computers, and camcorders.
[6]
And the one secondary battery and can type secondary battery, the electrode assembly is incorporated in a metal can, the electrode assembly has been classified as a pouch-shaped secondary battery incorporated in the pouch, the pouch type secondary battery includes an electrode assembly and an electrolyte, the electrode assembly and the and a pouch for receiving electrolyte. And the electrode assembly is an anode and a cathode arranged across the membrane, each of said anode and cathode and the electrode tap is attached, wherein the electrode tab is coupled to each of the electrode leads.
[7]
On the other hand, the above-described secondary battery proceeds to the lamination process to enhance the adhesion of the stacked electrode assembly of an anode, a cathode separator.
[8]
However, the above-described secondary battery is excellent in adhesion of the positive electrode, separator and negative electrode by a lamination process castle, but increase, also the electrolyte chimryeok was significantly lowered. In particular mothamyeo the gas produced between an anode and a cathode and a separator or membrane is not smoothly discharged, the result was a difficulty in securing the electrode assembly having a uniform quality.
Detailed Description of the Invention
SUMMARY
[9]
An object of the present invention for solving the above problems is implements a patterned adhesive on the membrane surface, so that also the adhesive strength, the electrolyte of the electrode and the separator chimryeok, and secondary cell plasma generation to boost times the output of the gas there is provided a device.
Problem solving means
[10]
Secondary battery, the plasma generating apparatus according to an embodiment of the present invention for solving the problems as described above the transport roller for transporting the separator; A metal member embedded in the transport roller; By generating a plasma (plasma) by the interaction of the metal member and the plasma generating member irradiating a surface of the separator; And a weaker adhesive force than the adhesive area, and the plasma is irradiated weaker than either not irradiated or the bonding area or the adhesion or the adhesive area by projecting a part of the membrane that has the adhesive force at which the plasma irradiation in close contact with the transport roller has may include a projecting member that implements the non-adhesive area.
[11]
The membrane is the plasma on the side, and the lower side and the upper side, and including a connecting surface connecting the bottom surface and the image-side surface that protrudes by a lower side, and the projecting member is brought into close contact with the transport roller the sikimyeo to be irradiated to form a bonding area with the adhesive force, while allowing the plasma to be irradiated concentrating on the upper side has the connecting surface can be free or adhesion to form a non-bonded area with a weak adhesive force than the adhesive area.
[12]
The protruding member may be provided with at least one winding has a ring shape along the surface of the feed roller, the longitudinal direction of the transport roller.
[13]
The projecting member of the ring shape may be provided so as to be movable and fixed in the longitudinal direction of the transfer roller to the transfer roller.
[14]
The projecting member of the ring shape may be provided integrally with the transport roller.
[15]
The protruding member may be formed from the same material as the transfer roller.
[16]
The lower side and the upper side is formed in a plane parallel to the longitudinal direction of the transfer roller, the connecting surface may be formed in the lower side and the upper side and that is orthogonal to the vertical plane.
[17]
The plasma generating member includes a main body which is provided in the width direction of the separator, and is provided in the longitudinal direction of the main body, thereby generating a plasma between the metal member and the main body may include an electrode section to check the membrane surface have.
[18]
The plasma generating member may further include a switch for the power to the electrode section is generating the plasma.
[19]
The body may be provided with a non-metallic material. In particular, the main body may be provided with a ceramic.
[20]
The electrode part may be provided with a corona discharge electrode.
[21]
The electrode part may be inserted into the insertion groove provided on the outer surface of the main body.
Effects of the Invention
[22]
First: it is possible, due to having a secondary battery, the plasma generating apparatus of the present invention is characterized by including a transport roller, a metal member, a plasma generating member and protruding member, this feature to implement a patterned adhesive on the surface of the membrane, and adhesion of the resulting electrode and the separator, it is possible to increase the combining force and the gas times the output of the electrolytic solution.
[23]
Second: the projecting member in the present invention, it is possible to have a characteristic that has a ring shape surrounding the main surface of the feed roller, this uniformly projecting a portion of the membrane is in close contact with the transport roller, due to such characteristics, the surface of the resulting separation membrane It may implement the adhesion of a pattern.
[24]
Third: the projecting member in the present invention has a feature that is provided so as to be movable and fixed in the longitudinal direction of the transport roller, due to these features it is possible to control the patterning position of the sealing region to be implemented on the separation membrane surface, so that It can be made uniform by the patterned adhesiveness of the separation membrane surface.
[25]
Fourth: the projecting member in the present invention has a feature to the formation of the same material and the transfer roller, it is possible to simplify the manufacturing process, due to these features, it is possible to reduce costs.
Brief Description of the Drawings
[26]
1 is a cross-sectional view showing a basic unit in accordance with one embodiment of the present invention.
[27]
Figure 2 is a cross-sectional view showing the electrode assembly according to an embodiment of the present invention.
[28]
Figure 3 is a view showing a lamination system according to an embodiment of the present invention.
[29]
A side sectional view of Figure 4 shows a plasma generating apparatus according to an embodiment of the present invention.
[30]
5 is a plan view illustrating a plasma generating apparatus according to an embodiment of the present invention.
[31]
6 is a partially enlarged sectional view of the plasma generating apparatus according to an embodiment of the present invention.
Best Mode for Carrying Out the Invention
[32]
With reference to the accompanying drawings the invention will now be described an embodiment of the invention in detail, so can be easily implemented by those of ordinary skill in the art belong. However, the invention is not to be implemented in many different forms and limited to the embodiments set forth herein. And the part not related to the description in order to clearly describe the present invention in the figures was in nature and not restrictive. Like reference numerals designate like elements throughout the specification.
[33]
Basic structural units
[34]
Basic unit according to one embodiment of the present invention are disposed in the electrode and the separator are alternately. The electrodes and the separator may be arranged by the same number, or may be disposed from each other by a different number.
[35]
For example, base unit 10, as shown in Figure 1 comprises two electrodes 11, 13 and the two separators 12, 14 can be formed are sequentially stacked. The two electrodes may be an anode and a cathode, the anode and the cathode face each other, it can be seen through the membrane. Accordingly, the primary unit 10 has a laminated structure of an anode, a separator, a negative electrode and a separator.
[36]
The electrode assembly structure
[37]
The electrode assembly 100 according to one embodiment of the present invention can be formed by lamination according to the basic unit repeatedly stacked in a (10) or two or more kinds of basic units (10) of one kind in a specific order.
[38]
For example, it can be formed by laminating a plurality of basic units 10 having the same layered structure in the vertical direction, as shown in Figure 2. That is, the electrode according to the first embodiment of the present invention, assembly 100 includes four positive electrode of the first electrode 11, a separator 12, the cathode of the second electrode 13 and the separator 14 are sequentially disposed in a the base unit (10) having a layer structure may have a structure that is repeatedly stacked.
[39]
On the other hand, the base unit 10 is prepared by a lamination system, wherein the primary unit 10 may increase the adhesive strength, the electrolyte should chimryeok, and a gas output times through the lamination system 200.
[40]
Lamination system
[41]
As shown in FIG one embodiment the lamination system 200 according to the present invention 3, the electrodes 11, 13 and the separator 12, a plurality of feed rollers to 14 is applied to be alternately stacked ( 210), the laminator of the said electrode (11) to open the first cutter 220, and the electrodes 11, 13 and the separator 12 (14) for cutting the 13 fusion producing a basic unit sheet ( 230), and it may include a second cutter 240, which is cut into a predetermined size to the base unit the base sheet manufacturing unit (10).
[42]
A second electrode supply roller 213 for supplying the first electrode feed rollers 211, the cathode of the second electrode 13 to the plurality of the supply roller 210 supplies the anode of a first electrode 11, one and the separator comprises a first separator feed roller 212, and the other of the separator the second separator feed roller 214 for supplying (14) for supplying (12).
[43]
The first cutter 220 is a second cutter member (222 for cutting the first cutter member 221 and the one electrode 13, the other to cut into a size predetermined for said one of the electrodes 11 to a desired size ) a.
[44]
The laminator 230 is bonded by heating in a state of pressing the electrodes 11, 13 and the separator 12 (14).
[45]
The second cutter 240 cuts the membrane 12, 14 between the electrodes 11, 13 that mutually correspond to produce a basic unit (10).
[46]
Such lamination according to one embodiment of the present invention having the configuration system 200 to manufacturing the electrode 11, 13 and the separator 12, primary unit 10 to be 14 are alternately stacked in and, a plurality of stacking the said base unit (10) can be manufactured according to the electrode assembly 100.
[47]
On the other hand, the present invention is the lamination system 200 according to an embodiment may include a plasma generating device 250 to increase the adhesive strength, the electrolyte solution and gas must chimryeok times the output of the basic unit (10). That is, the plasma generator 250, activates the adhesive force of the electrode and the separator having a uniform pattern on the surface of the separation membrane such that the pattern adhesive screen.
[48]
For example, as with the plasma generator 250 is illustrated in Figs. 3 to 5, the feed roller 251, a metal member 252, plasma generation element 253, and the protruding part 254 It includes.
[49]
The transfer roller 251 is transferred to the supporting surface of the separator 12 (14), said membrane (12) (14). On the other hand, in order to examine the plasma on the surface of the separator 12 (14) supporting the conveyance roller 251 stably in the separation membrane of at least 1/4 the entire main surface of the outer peripheral surface of the conveyance roller 251 (12) It should be held 14.
[50]
The metal member 252 is provided in the interior of the feed roller 251.
[51]
The plasma generating element 253 is a surface of the separator 12 (14) by generating a plasma (plasma) by the mutual reaction of the membrane 12 is provided apart from the 14, the metal member 252 investigate in.
[52]
For example, as shown in the plasma generating unit 253 is 4, the longitudinal direction of the body (253a), and the main body (253a) which is provided in the width direction of the separator 12 (14) is provided with spaced apart, thereby generating a plasma between the metal member 252 and the main body (253a) includes a side electrode (253b) for irradiating said separation membrane (12) (14) surface.
[53]
The main body (253a) may be provided with a non-metallic material, so that it is possible to prevent the resistance generated between the metal member 252 and the electrode pieces (253b), so that the metal member 152 and the main body (253a) it is possible to stably generate a plasma between.
[54]
On the other hand, the main body (253a) may be provided as of a non-metallic material of ceramic, the ceramic can increase the efficiency of use because of a non-metallic inorganic material obtained through the heat treatment process, has a heat-resistant, high-strength, corrosion resistance, in particular light.
[55]
The electrode pieces (253b) can generate a plasma between the metal member 152 and the main body (253a) may be a stable corona discharge electrode (corona discharge), with the corona discharge electrode.
[56]
On the other hand, the electrode part (253b) may be formed into a plurality of unit electrode side, the plurality of unit electrode side is one of the electrode as connected along the width direction of the separator 12, 14 on the main body (253a) may form a part (253b), thus it can be used interchangeably on a membrane having a variety of widths.
[57]
On the other hand, a plurality of unit electrode side is the separation membrane (12) (14) width, and may be provided spaced apart along a direction, on the other, due to features such as the metal member 152 and the main body (253a on the main body (253a) ) and it can generate a plasma in part in between, and as a result can implement a patterned adhesive on the surface of the separator 12 (14).
[58]
Various patterns on a surface of the plurality of unit electrode side is the length, width and thickness, or equally provided or length, at least one of width and thickness can be provided differently from each other, whereby the membrane (12) (14) the adhesive strength can be realized.
[59]
On the other hand, the main body (253a) is a membrane (12) (14) the insertion groove (253a-1) forming the said insertion groove (253a-1) that is formed to extend in the width direction of, the said electrode pieces (253b) are inserted It can be fixed, and thus it is possible to prevent damage to the electrode part (253b) from an external object, and as a result it is possible to generate plasma stably.
[60]
Thus, as in the configuration wherein the plasma generating element 253 of the same is shown in Figure 5, and plasma is generated as the metal member 252 and the electrode pieces (253b) corresponds, this plasma the metal member ( as research on membrane 12, 14 between the surface 252) and the electrode pieces (253b) implements the adhesion to the separation membrane (12) (14).
[61]
The projecting part 254 is designed to implement a patterned adhesive on the membrane surface which is plasma irradiation, thereby protruding a portion of the membrane 12, 14 in close contact with the transfer roller 251 to which the plasma irradiation implementing a bonding region and a non-bonded region of the plasma as either not irradiated or weaken the plasma irradiation than the adhesive area, or pulling, or having a weak adhesive strength than the bonding region having an adhesive strength, and thereby a separator 12 (14 ) to implement a patterned adhesive on the surface of the.
[62]
For example, a membrane in close contact with the projecting part 254 is the transport roller 251, as provided between, as shown in Figs. 5 and 6, the transfer roller 251 and the separator 12 (12 ), thereby protruding a portion of the outside. In the separation membrane 12 has a side surface (12b), and said lower surface (12a) and the image that is projected by the lower side (12a) and the projecting part 254 is in close contact with the transfer roller 251 along forms a connecting surface (12c) connecting the side (12b). That is, the separator 12 while the lower surface (12a), the side (12b) and connecting surfaces (12c) are connected to form a concave-convex shape projections.
[63]
When the plasma is irradiated on this membrane (12) surface in the same state, the bottom surface (12a) and has a connecting surface (12c), and forming a bond region with an adhesion while the plasma is as irradiation the image-side surface (12b) as the plasma is irradiated to the connecting surface (12c) focused on the image-side surface (12b) may form a non-adhesion regions.
[64]
Thus, projecting member 254 is formed with may form a surface bond area and the non-adhesive area in a separating membrane (12) (14) in close contact with the transfer roller 152, so that the adhesive region and the non-adhesive areas are alternately which may implement a mask having a patterned adhesive to form a pattern.
[65]
The more on the bottom surface (12a) and the image-side surface (12b) is formed in a plane parallel to the longitudinal direction of the transfer roller 251, so that the plasma is the lower side (12a) and the image-side surface (12b) as the investigation reliably implements the adhesive area. And to be irradiated to a minimum even if the connecting surface (12c) is or are irradiated to the lower side (12a) and the image-side surface (12b) and is formed as to be perpendicular to the vertical plane, whereby the plasma is connected along surface (12c) irradiated , or pulling or implements a non-adhesive region having a lower bond area than the adhesive area.
[66]
On the other hand, the projecting part 254 may have a ring form along the wound surface of the transport roller 251. That is, the protruding member 254 may be implemented with a membrane (12) (14) to form the same type of protrusions on the surface, and thereby a predetermined size and shape of the patterned adhesive that is in close contact with the transfer roller 251 .
[67]
On the other hand, the projecting part 254 may be provided with one or more at least in the longitudinal direction of the transport roller 251. Accordingly, a separator 12, 14 to implement a patterned adhesive having a plurality of non-adhesive area on the surface and, as a result, a plurality of non-through bonding zone electrolytic solution inlet or the gas is also as exhaust electrolytic solution chimryeok and gas times may significantly increase the output.
[68]
On the other hand, the protruding members of the ring form 254 may be provided so as to be movable and fixed in the longitudinal direction of the feed roller 251 to the transfer roller 251. Accordingly, a separator 12, 14 and to adjust the position of the non-adhesive area to be implemented on the surface, as a result, a separator (12) (14) surface a patterned adhesive that can be uniformly controlled or adjusted differently formed .
[69]
On the other hand, the projecting part 254 may be formed from the same material as the transfer roller 251, in particular protruding part 254 may be integrally formed during production of the transfer roller 251, whereby the produced according the effect of the ease and cost savings.
[70]
In this secondary battery, the plasma generating apparatus 250 according to an embodiment of the present invention has the same configuration, it is possible to form a mask having a patterned adhesive force as to form a bonding region and a non-adhesive area on the separation membrane surface.
[71]
Or less, in the following description of an embodiment of the present invention using the same reference numerals in the configuration having the same configuration and function as those of the above-described embodiment, the configuration, and duplicate description is omitted.
[72]
If secondary cell plasma generating apparatus 200 according to another embodiment of the invention Referring to Figure 4, can further include a switch 255 to apply power to the electrode side (253b) of the plasma generating element 250, and the switch 255 may be controlled by the power supplied to the electrode side (253b) to control easily whether or not to use the side electrodes (253b), as a result it is possible to prevent unnecessary power waste.
[73]
The scope of the invention is represented by the claims below rather than the description above, it is possible to various embodiments derived from the meaning and scope of the appended claims and their equivalents concept.

Claims

[Claim 1]Transport rollers for transporting the separator; A metal member embedded in the transport roller; By generating a plasma (plasma) by the interaction of the metal member and the plasma generating member irradiating a surface of the separator; And a weaker adhesive force than the adhesive area, and the plasma is irradiated weaker than either not irradiated or the bonding area or the adhesion or the adhesive area by projecting a part of the membrane that has the adhesive force at which the plasma irradiation in close contact with the transport roller secondary battery, the plasma generating apparatus including a projection member to implement the non-adhesive regions having.
[Claim 2]
The method according to claim 1, wherein the membrane and the bottom surface in close contact with the transfer roller, and the image-side surface, and the lower side, includes a connecting surface connecting the bottom surface and the upper side projecting by the projecting member above on the side surface thereby forming a bonding area with adhesive to ensure that the plasma is irradiated, to form a while so that the plasma is irradiated concentrating on the image-side surface non-adhesive areas with a weak adhesive force than that of the connecting surface has, or the adhesion or the adhesive area The plasma generation device for a secondary battery.
[Claim 3]
The method according to claim 1, wherein the projecting member is a secondary battery plasma generating device provided with a wound ring shape along the surface of the transfer roller, more than one at least in the longitudinal direction of the transport roller.
[Claim 4]
The method according to claim 3, the projecting member of the ring type secondary battery, the plasma generating apparatus having movable and fixed in the longitudinal direction of the transfer roller to the transfer roller.
[Claim 5]
The method according to claim 3, the projecting member of the ring type secondary battery, the plasma generating apparatus having integrally with the transfer roller.
[Claim 6]
The method according to claim 1, wherein the projecting member is a secondary battery plasma generating apparatus formed from the same material as the transfer roller.
[Claim 7]
The method according to claim 2, wherein the lower side and the upper side is formed in a plane parallel to the longitudinal direction of the transfer roller, the connecting surface is a secondary battery plasma generating apparatus formed as the lower side and the upper side and that is orthogonal to the vertical plane.
[Claim 8]
The method according to claim 1, wherein the plasma generating member includes a main body which is provided in the width direction of the separator, and is provided in the longitudinal direction of the main body, thereby generating a plasma between the metal member and the body electrode for irradiating the membrane surface secondary battery, the plasma generating apparatus including a piece.
[Claim 9]
The method according to claim 8, wherein the plasma generating member, a secondary battery plasma generating apparatus further comprises a switch for the power to the electrode section is generating the plasma.
[Claim 10]
The method according to claim 8, wherein the body is a secondary battery, a plasma generation device including a non-metallic material.
[Claim 11]
The method according to claim 10, wherein the body is a secondary battery plasma generator provided with a ceramic.
[Claim 12]
The method according to claim 8, wherein the electrode pieces are secondary cell plasma generation device including a corona discharge electrode.
[Claim 13]
The method according to claim 8, wherein the electrode pieces are secondary cell plasma generating device that is inserted into the insertion groove provided on the outer surface of the body.