KR20170063989A - 이차 전지의 제어 장치 및 soc 검출 방법 - Google Patents
이차 전지의 제어 장치 및 soc 검출 방법 Download PDFInfo
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- KR20170063989A KR20170063989A KR1020177014637A KR20177014637A KR20170063989A KR 20170063989 A KR20170063989 A KR 20170063989A KR 1020177014637 A KR1020177014637 A KR 1020177014637A KR 20177014637 A KR20177014637 A KR 20177014637A KR 20170063989 A KR20170063989 A KR 20170063989A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- G01R31/3637—
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- H02J7/0021—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
- H02J7/82—Control of state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/96—Regulation of charging or discharging current or voltage in response to battery voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
Description
도 2는 이차 전지의 평면도이다.
도 3은 도 2의 Ⅲ-Ⅲ선을 따른 이차 전지의 단면도이다.
도 4는 이차 전지의 충방전 특성을 나타내는 그래프이다.
도 5는 이차 전지의 충방전 특성을 나타내는 그래프이다.
도 6은 SOC의 산출 처리를 나타내는 흐름도이다.
도 7은 충방전 프로파일을 나타내는 그래프이다.
Claims (5)
- 정극 재료로서, 충전시와 방전시에서 개로 전압 곡선이 상이한 정극 활물질을 사용한 이차 전지의 제어 장치이며,
충전으로부터 방전으로 전환하였을 때의 SOC인 전환시 SOC에 대해, 방전 과정에 있어서의 SOC와 개로 전압의 관계를, 방전시 개로 전압 정보로서 기억하는 기억 수단과,
실제로 충전으로부터 방전으로 전환하였을 때의 전환시 SOC와, 상기 기억 수단에 기억되어 있는 상기 방전시 개로 전압 정보에 기초하여, 상기 이차 전지의 방전 과정에 있어서의 SOC를 산출하는 SOC 산출 수단을 구비하고,
상기 기억 수단은 만충전 상태에 있어서 충전으로부터 방전으로 전환하였을 때의 방전시 개로 전압 정보를 포함하는 복수의 방전시 개로 전압 정보를 기억하는, 이차 전지의 제어 장치. - 제1항에 있어서,
상기 기억 수단은, 상기 방전시 개로 전압 정보로서, 상기 전환시 SOC에 대해, 방전 과정에 있어서의 SOC와 개로 전압의 관계를 실측함으로써 얻어진 정보를 기억하고 있는, 이차 전지의 제어 장치. - 제1항에 있어서,
상기 기억 수단은, 상기 방전시 개로 전압 정보로서, 소정의 SOC에 있어서 충전으로부터 방전으로 전환하여 방전을 행하였을 때, 방전 과정에 있어서의 SOC와 개로 전압의 관계를 실측함으로써 얻어진 소정 SOC 방전시 개로 전압 정보를 적어도 1개 기억하고 있고,
상기 SOC 산출 수단은, 상기 소정 SOC 방전시 개로 전압 정보로부터, 실제로 충전으로부터 방전으로 전환하였을 때의 전환시 SOC에 대응하는, 방전 과정에 있어서의 SOC와 개로 전압의 관계를 산출하고, 산출된 SOC와 개로 전압의 관계에 기초하여, 상기 이차 전지의 방전 과정에 있어서의 SOC를 산출하는, 이차 전지의 제어 장치. - 정극 재료로서, 충전시와 방전시에서 개로 전압 곡선이 상이한 정극 활물질을 사용한 이차 전지의 SOC를 검출하는 방법이며,
충전으로부터 방전으로 전환하였을 때의 SOC인 전환시 SOC에 대해 정해지는, 방전 과정에 있어서의 SOC와 개로 전압의 관계와, 상기 이차 전지의 방전 개시시의 SOC에 기초하여, 상기 이차 전지의 방전 과정에 있어서의 SOC를 산출하는, 이차 전지의 SOC 검출 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2011-246141 | 2011-11-10 | ||
| JP2011246141A JP5866987B2 (ja) | 2011-11-10 | 2011-11-10 | 二次電池の制御装置およびsoc検出方法 |
| PCT/JP2012/077474 WO2013069459A1 (ja) | 2011-11-10 | 2012-10-24 | 二次電池の制御装置およびsoc検出方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147013769A Division KR101951067B1 (ko) | 2011-11-10 | 2012-10-24 | 이차 전지의 제어 장치 및 soc 검출 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170063989A true KR20170063989A (ko) | 2017-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147013769A Expired - Fee Related KR101951067B1 (ko) | 2011-11-10 | 2012-10-24 | 이차 전지의 제어 장치 및 soc 검출 방법 |
| KR1020177014637A Abandoned KR20170063989A (ko) | 2011-11-10 | 2012-10-24 | 이차 전지의 제어 장치 및 soc 검출 방법 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147013769A Expired - Fee Related KR101951067B1 (ko) | 2011-11-10 | 2012-10-24 | 이차 전지의 제어 장치 및 soc 검출 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9755280B2 (ko) |
| EP (1) | EP2779302B1 (ko) |
| JP (1) | JP5866987B2 (ko) |
| KR (2) | KR101951067B1 (ko) |
| CN (1) | CN103891040B (ko) |
| WO (1) | WO2013069459A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11448703B2 (en) | 2018-02-07 | 2022-09-20 | Lg Energy Solution, Ltd. | Device and method for estimating SOC via open-circuit voltage of battery |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6065561B2 (ja) | 2012-03-08 | 2017-01-25 | 日産自動車株式会社 | 二次電池の制御装置およびsoc検出方法 |
| JP6135110B2 (ja) * | 2012-03-08 | 2017-05-31 | 日産自動車株式会社 | 二次電池の制御装置、充電制御方法およびsoc検出方法 |
| JP5929778B2 (ja) | 2013-02-15 | 2016-06-08 | 株式会社豊田自動織機 | 充電率推定装置および充電率推定方法 |
| KR101491784B1 (ko) | 2013-11-05 | 2015-02-23 | 롯데케미칼 주식회사 | 화학흐름전지의 운전 방법 |
| JP6037369B2 (ja) * | 2014-02-25 | 2016-12-07 | 三菱電機株式会社 | 二次電池のsoc推定装置 |
| JP2015178963A (ja) | 2014-03-18 | 2015-10-08 | 株式会社東芝 | 算出装置及び算出方法 |
| US9977087B2 (en) | 2014-04-23 | 2018-05-22 | Mitsubishi Electric Corporation | Device and method for estimating remaining battery capacity |
| CN104134802A (zh) * | 2014-07-16 | 2014-11-05 | 苏州宇量电池有限公司 | 锂电池 |
| JP6449609B2 (ja) * | 2014-10-06 | 2019-01-09 | 川崎重工業株式会社 | 二次電池の充電率推定方法及び充電率推定装置 |
| KR101783919B1 (ko) * | 2014-10-31 | 2017-10-10 | 주식회사 엘지화학 | 개방전압 추정 장치 및 방법 |
| JP6245480B2 (ja) * | 2015-06-19 | 2017-12-13 | トヨタ自動車株式会社 | リチウムイオン二次電池の制御装置 |
| JP6406468B1 (ja) | 2017-03-29 | 2018-10-17 | 株式会社Gsユアサ | 蓄電量推定装置、蓄電モジュール、蓄電量推定方法、及びコンピュータプログラム |
| WO2018181620A1 (ja) | 2017-03-29 | 2018-10-04 | 株式会社Gsユアサ | 蓄電量推定装置、蓄電モジュール、蓄電量推定方法、及びコンピュータプログラム |
| WO2018181624A1 (ja) | 2017-03-29 | 2018-10-04 | 株式会社Gsユアサ | 蓄電量推定装置、蓄電モジュール、蓄電量推定方法、及びコンピュータプログラム |
| JP6406470B1 (ja) | 2017-06-02 | 2018-10-17 | 株式会社Gsユアサ | 管理装置、蓄電モジュール、管理方法、及びコンピュータプログラム |
| JP6406469B1 (ja) * | 2017-06-02 | 2018-10-17 | 株式会社Gsユアサ | 蓄電量推定装置、蓄電モジュール、蓄電量推定方法、及びコンピュータプログラム |
| JP6443577B2 (ja) | 2017-06-02 | 2018-12-26 | 株式会社Gsユアサ | 管理装置、蓄電モジュール、管理方法、及びコンピュータプログラム |
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| JP6863258B2 (ja) * | 2017-12-12 | 2021-04-21 | トヨタ自動車株式会社 | 二次電池システムおよび二次電池の活物質の応力推定方法 |
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2011
- 2011-11-10 JP JP2011246141A patent/JP5866987B2/ja not_active Expired - Fee Related
-
2012
- 2012-10-24 US US14/357,305 patent/US9755280B2/en not_active Expired - Fee Related
- 2012-10-24 WO PCT/JP2012/077474 patent/WO2013069459A1/ja not_active Ceased
- 2012-10-24 KR KR1020147013769A patent/KR101951067B1/ko not_active Expired - Fee Related
- 2012-10-24 CN CN201280050989.6A patent/CN103891040B/zh not_active Expired - Fee Related
- 2012-10-24 EP EP12847657.9A patent/EP2779302B1/en not_active Not-in-force
- 2012-10-24 KR KR1020177014637A patent/KR20170063989A/ko not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11448703B2 (en) | 2018-02-07 | 2022-09-20 | Lg Energy Solution, Ltd. | Device and method for estimating SOC via open-circuit voltage of battery |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2779302B1 (en) | 2019-03-20 |
| WO2013069459A1 (ja) | 2013-05-16 |
| CN103891040A (zh) | 2014-06-25 |
| KR101951067B1 (ko) | 2019-02-21 |
| EP2779302A4 (en) | 2015-05-06 |
| JP2013105519A (ja) | 2013-05-30 |
| CN103891040B (zh) | 2016-10-12 |
| US20140320141A1 (en) | 2014-10-30 |
| EP2779302A1 (en) | 2014-09-17 |
| US9755280B2 (en) | 2017-09-05 |
| KR20140090216A (ko) | 2014-07-16 |
| JP5866987B2 (ja) | 2016-02-24 |
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