Specification
BATTERY CONTROL DEVICE, CONTROL
METHOD, CONTROL SYSTEM AND ELECTRIC VEHICLE
Technical Field
[0001] The present disclosure relates to a control device, a control method, a control system
and an electric vehicle.
Background Art
[0002] Secondary batteries are used as a backup power supply or an automobile power
supply in addition to various electronic devices. When a secondary battery is used in
low temperatures (for example, 0 degrees Celsius or lower), there is a possibility of the
performance thereof deteriorating.
Citation List
Patent Literature
[0003] PTL 1: Japanese Unexamined Patent Application Publication No. 2009-142069
PTL 2: Japanese Unexamined Patent Application Publication No. 2006-210244
Summary
Technical Problem
[0004] In PTL 1 and PTL 2, a technology is disclosed preventing deterioration in the per
formance of a secondary battery accompanying usage in low temperatures in advance
by using the secondary battery after warming. However, the technology disclosed in
PTL 1 and PTL 2 prevents deterioration in the performance of a secondary battery ac
companying usage in low temperatures in advance (e.g., prior to when the battery has
deteriorated). In a case where the performance of the secondary battery is deteriorated,
there is a problem where it is difficult for the performance of the secondary battery to
be recovered without, for example, replacement of the secondary battery.
[0005] Accordingly, in various embodiments, it is desirable to provide devices (e.g., control
devices), methods (e.g., control methods), systems (e.g., control systems), and electric
vehicles that recover the performance of a secondary battery (e.g., improve dete
rioration of the secondary battery).
Solution to Problem
[0006] Various embodiments of the present disclosure relate to battery packages including: a
power storage portion; and a control device, where the control device determines if a
first temperature of the power storage portion is higher than a predetermined tem
perature, and if the first temperature is higher than the predetermined temperature,
discharges the power storage portion at a first discharge rate. In some embodiments,
the battery may be adapted for use with an electronic device, where the battery
includes the battery package. The electronic device may be a vehicle, and a vehicle can
include the battery packages disclosed herein.
[0007] Some embodiments of the present disclosure further relate to battery packages
adapted for use with a power storage device, including: a power storage portion; and a
control device, where the control device functions to determine if a first temperature of
a power storage portion is higher than a predetermined temperature, and if the first
temperature is higher than the predetermined temperature, discharge the power storage
portion at a predetermined first discharge rate.
[0008] Further embodiments are directed towards methods of controlling power storage in a
battery package, including: determining if a first temperature of the power storage
portion is higher than a predetermined temperature, and if the first temperature is
higher than the predetermined temperature, discharging the power storage portion at a
predetermined first discharge rate.
Advantageous Effects of Invention
[0009] According to at least one embodiment, it is possible to improve or recover the per
formance of a secondary battery.
Brief Description of Drawings
[0010] [fig. 1]Fig. 1 is a block diagram showing one example of a configuration of a control
system according to certain embodiments;
[fig.2]Fig. 2 is a flowchart for describing one example of a main process in a control
system according to certain embodiments;
[fig.3]Fig. 3 is a flowchart showing one example of a process in a first recharging
mode according to certain embodiments;
[fig.4]Fig. 4 is a flowchart showing one example of a process in a discharge mode
according to certain embodiments;
[fig.5]Fig. 5 is a flowchart showing one example of a process in a second recharging
mode according to certain embodiments;
[fig.6]Fig. 6 is a diagram for describing one example of changes in capacity and
changes in voltage during discharging according to certain embodiments;
[fig.7]Fig. 7 is a diagram for describing one example of changes in DOD and changes
in voltage during discharging according to certain embodiments;
[fig.8]Fig. 8 is a flowchart showing one example of a processing flow in a deterioration
detection mode according to certain embodiments;
[fig.9]Fig. 9 is a diagram for describing one example of changes in capacity and
changes in deltaQ/deltaV during discharging according to certain embodiments;
[fig. 10] Fig. 10 is a flowchart showing one example of a processing flow in a recovery
mode according to certain embodiments;
[fig. 1l]Fig. 11 is a diagram for describing one example of an effect according to
certain embodiments;
[fig.l2A]Fig. 12A is a diagram for describing one example of an effect according to
certain embodiments;
[fig.l2B]Fig. 12B is a diagram for describing one example of an effect according to
certain embodiments;
[fig.l3]Fig. 13 is a diagram for describing one example of an effect according to
certain embodiments;
[fig. 14] Fig. 14 is a diagram for describing an application example according to certain
embodiments; and
[fig.l5]Fig. 15 is a diagram for describing an application example according to certain
embodiments.
Description of Embodiments
[001 1] Below, various embodiments of the present disclosure are described with reference to
the drawings. Further, the description is given in the following order.
First Embodiment
Modification Examples
Application Examples
[0012] The various embodiments described below are examples of the present disclosure;
however, the content of the present disclosure is not limited to these illustrative em
bodiments.
First Embodiment
[0013] Example of Secondary Battery
[0014] In the present disclosure, illustrative examples of secondary batteries include lithium
ion secondary batteries including a cathode active material and a carbon material, such
as graphite, as an anode active material. The cathode material is not limited, and a
material containing a cathode active material having an olivine structure may be used.
[0015] Cathode active materials having an olivine structure may be used, including a lithium
iron phosphate compound (LiFeP0 4) or a mixed lithium iron phosphate compound
containing a heteroatom (e.g., LiFexMi_xP0 4; where M is one or more types of metal,
and x is 0
Documents
Application Documents
| # |
Name |
Date |
| 1 |
4407-DELNP-2015.pdf |
2015-05-25 |
| 2 |
4407-delnp-2015-Others-(28-05-2015).pdf |
2015-05-28 |
| 3 |
4407-delnp-2015-Form-1-(28-05-2015).pdf |
2015-05-28 |
| 4 |
4407-delnp-2015-Correspondence Others-(28-05-2015).pdf |
2015-05-28 |
| 5 |
Other relevant documents.pdf |
2015-06-25 |
| 6 |
GPA.pdf |
2015-06-25 |
| 7 |
Form PCT-IB-304.pdf |
2015-06-25 |
| 8 |
FORM 5.pdf |
2015-06-25 |
| 9 |
FORM 3.pdf |
2015-06-25 |
| 10 |
Form 2 + Specification.pdf |
2015-06-25 |
| 11 |
4407-delnp-2015-Form-3-(31-08-2015).pdf |
2015-08-31 |
| 12 |
4407-delnp-2015-Correspondence Other-(31-08-2015).pdf |
2015-08-31 |
| 13 |
Form 18 [26-11-2016(online)].pdf |
2016-11-26 |
| 14 |
4407-DELNP-2015-PA [15-02-2018(online)]_27.pdf |
2018-02-15 |
| 15 |
4407-DELNP-2015-PA [15-02-2018(online)].pdf |
2018-02-15 |
| 16 |
4407-DELNP-2015-ASSIGNMENT DOCUMENTS [15-02-2018(online)]_26.pdf |
2018-02-15 |
| 17 |
4407-DELNP-2015-ASSIGNMENT DOCUMENTS [15-02-2018(online)].pdf |
2018-02-15 |
| 18 |
4407-DELNP-2015-8(i)-Substitution-Change Of Applicant - Form 6 [15-02-2018(online)]_25.pdf |
2018-02-15 |
| 19 |
4407-DELNP-2015-8(i)-Substitution-Change Of Applicant - Form 6 [15-02-2018(online)].pdf |
2018-02-15 |
| 20 |
4407-DELNP-2015-Power of Attorney-200218.pdf |
2018-02-23 |
| 21 |
4407-DELNP-2015-OTHERS-200218.pdf |
2018-02-23 |
| 22 |
4407-DELNP-2015-Correspondence-200218.pdf |
2018-02-23 |
| 23 |
4407-DELNP-2015-FER.pdf |
2019-02-28 |
| 24 |
4407-DELNP-2015-OTHERS [28-08-2019(online)].pdf |
2019-08-28 |
| 25 |
4407-DELNP-2015-FER_SER_REPLY [28-08-2019(online)].pdf |
2019-08-28 |
| 26 |
4407-DELNP-2015-DRAWING [28-08-2019(online)].pdf |
2019-08-28 |
| 27 |
4407-DELNP-2015-CORRESPONDENCE [28-08-2019(online)].pdf |
2019-08-28 |
| 28 |
4407-DELNP-2015-COMPLETE SPECIFICATION [28-08-2019(online)].pdf |
2019-08-28 |
| 29 |
4407-DELNP-2015-CLAIMS [28-08-2019(online)].pdf |
2019-08-28 |
| 30 |
4407-DELNP-2015-ABSTRACT [28-08-2019(online)].pdf |
2019-08-28 |
| 31 |
4407-DELNP-2015-Power of Attorney-050919.pdf |
2019-09-11 |
| 32 |
4407-DELNP-2015-Correspondence-050919.pdf |
2019-09-11 |
| 33 |
4407-DELNP-2015-US(14)-HearingNotice-(HearingDate-29-01-2024).pdf |
2023-12-29 |
| 34 |
4407-DELNP-2015-Correspondence to notify the Controller [27-01-2024(online)].pdf |
2024-01-27 |
Search Strategy
| 1 |
Searchstrategy_25-02-2019.pdf |