KR100717789B1 - 이차 전지 모듈의 전지 잔존용량 산출방법 - Google Patents
이차 전지 모듈의 전지 잔존용량 산출방법 Download PDFInfo
- Publication number
- KR100717789B1 KR100717789B1 KR1020050069481A KR20050069481A KR100717789B1 KR 100717789 B1 KR100717789 B1 KR 100717789B1 KR 1020050069481 A KR1020050069481 A KR 1020050069481A KR 20050069481 A KR20050069481 A KR 20050069481A KR 100717789 B1 KR100717789 B1 KR 100717789B1
- Authority
- KR
- South Korea
- Prior art keywords
- battery module
- soc
- value
- ocv
- secondary battery
- Prior art date
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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]
-
- 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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- Physics & Mathematics (AREA)
- General 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
상기 볼츠만식은
로 표현될 수 있으며, 상기 식을 통해 OCV값을 x값으로 하여 y값인 SOC값을 얻을 수 있게 된다.
Claims (6)
- 전지 모듈의 전압을 측정하여 OCV(Open Circuit Voltage) 대 SOC(State of Charge) 관계에서 SOC를 산출함에 있어서,키 온(key-on)시 일정 시간동안 전류를 흘리지 않는 시간 지연 단계와, 상기 시간 지연 단계 진행시 OCV값을 측정하는 단계, OCV값 대 SOC값의 변화량 관계를 통해 상기 OCV값에 대한 SOC값을 구하는 단계를 포함하고,상기 COV값에 대한 SOC값의 변화량 관계는 테이블맵화되어 상기 전지 모듈의 BMS에 내장되는 이차 전지 모듈의 전지 잔존용량 산출방법.
- 삭제
- 삭제
- 제1 항에 있어서,상기 시간 지연 단계는 전류를 흘리지 않는 시간이 적어도 1초 이상인 이차 전지 모듈의 전지 잔존용량 산출방법.
- 제1 항에 있어서,상기 설정된 지연 시간이 경과되면 상기 전지 모듈로 전류를 인가하여 전지 모듈을 정상작동하는 단계를 포함하는 이차 전지 모듈의 전지 잔존용량 산출방법.
- 제1 항에 있어서,상기 전지 모듈은 모터 구동용인 이차 전지 모듈의 전지 잔존용량 산출방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050069481A KR100717789B1 (ko) | 2005-07-29 | 2005-07-29 | 이차 전지 모듈의 전지 잔존용량 산출방법 |
US11/480,532 US7656124B2 (en) | 2005-07-29 | 2006-07-05 | Battery management system and driving method thereof |
JP2006199916A JP2007040991A (ja) | 2005-07-29 | 2006-07-21 | 電池管理システム及びその駆動方法 |
CNB2006101040586A CN100464464C (zh) | 2005-07-29 | 2006-07-31 | 电池管理系统及其驱动方法 |
Applications Claiming Priority (1)
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KR1020050069481A KR100717789B1 (ko) | 2005-07-29 | 2005-07-29 | 이차 전지 모듈의 전지 잔존용량 산출방법 |
Publications (2)
Publication Number | Publication Date |
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KR20070014652A KR20070014652A (ko) | 2007-02-01 |
KR100717789B1 true KR100717789B1 (ko) | 2007-05-11 |
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KR1020050069481A KR100717789B1 (ko) | 2005-07-29 | 2005-07-29 | 이차 전지 모듈의 전지 잔존용량 산출방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7656124B2 (ko) |
JP (1) | JP2007040991A (ko) |
KR (1) | KR100717789B1 (ko) |
CN (1) | CN100464464C (ko) |
Cited By (2)
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2005
- 2005-07-29 KR KR1020050069481A patent/KR100717789B1/ko active IP Right Grant
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2006
- 2006-07-05 US US11/480,532 patent/US7656124B2/en active Active
- 2006-07-21 JP JP2006199916A patent/JP2007040991A/ja active Pending
- 2006-07-31 CN CNB2006101040586A patent/CN100464464C/zh active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104062507A (zh) * | 2014-06-30 | 2014-09-24 | 高玉琴 | 一种蓄电池内阻测量仪 |
CN104062507B (zh) * | 2014-06-30 | 2016-07-06 | 高玉琴 | 一种蓄电池内阻测量仪 |
WO2021006566A1 (ko) * | 2019-07-05 | 2021-01-14 | 주식회사 엘지화학 | 배터리 셀 진단 장치 및 방법 |
US11815559B2 (en) | 2019-07-05 | 2023-11-14 | Lg Energy Solution, Ltd. | Apparatus and method for diagnosing battery cell |
Also Published As
Publication number | Publication date |
---|---|
CN100464464C (zh) | 2009-02-25 |
KR20070014652A (ko) | 2007-02-01 |
JP2007040991A (ja) | 2007-02-15 |
US20070024242A1 (en) | 2007-02-01 |
CN1909280A (zh) | 2007-02-07 |
US7656124B2 (en) | 2010-02-02 |
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