KR100697741B1 - 축전 시스템, 회생 축전 시스템 및 자동차 - Google Patents
축전 시스템, 회생 축전 시스템 및 자동차 Download PDFInfo
- Publication number
- KR100697741B1 KR100697741B1 KR1020050088475A KR20050088475A KR100697741B1 KR 100697741 B1 KR100697741 B1 KR 100697741B1 KR 1020050088475 A KR1020050088475 A KR 1020050088475A KR 20050088475 A KR20050088475 A KR 20050088475A KR 100697741 B1 KR100697741 B1 KR 100697741B1
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- KR
- South Korea
- Prior art keywords
- battery
- storage system
- negative electrode
- power storage
- unit cell
- Prior art date
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Images
Classifications
-
- 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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Abstract
Description
전지 온도 (℃) | 충전 종지 전압 V1(V) | 충전 종지 전압비 | 최대 SOC (%) | 1000 사이클 후의 단일 셀 두께 증가율 (%) | 1000 사이클 후의 출력 밀도 (W/㎏) | |
제1 실시예 | 60 | 2.65 | 0.946 V0 | 85 | 1.3 | 1950 |
제2 실시예 | 80 | 2.45 | 0.875 V0 | 65 | 2.5 | 1850 |
제3 실시예 | 45 | 2.68 | 0.957 V0 | 90 | 1.0 | 2000 |
제4 실시예 | 70 | 2.50 | 0.893 V0 | 70 | 2.0 | 1900 |
제5 실시예 | 55 | 2.66 | 0.950 V0 | 88 | 1.2 | 2000 |
제6 실시예 | 65 | 2.38 | 0.850 V0 | 85 | 1.0 | 1500 |
제1 비교예 | 60 | 2.80 | 1.00 V0 | 105 | 20 | 300 |
제2 비교예 | 80 | 2.80 | 1.00 V0 | 110 | 35 | 100 |
제3 비교예 | 45 | 2.80 | 1.00 V0 | 102 | 15 | 500 |
제4 비교예 | 60 | 3.97 | 0.946 V0 | 80 | 20 | 600 |
제5 비교예 | 60 | 4.20 | 1.00 V0 | 105 | 50 | 400 |
Claims (20)
- 리튬티탄 복합 산화물을 함유하는 음극층 및 상기 음극층이 담지되는 집전체를 포함하는 음극과 양극과 비수 전해질을 구비한 비수 전해질 이차 전지로 이루어지는 단위 셀을 구비하는 세트 전지와,상기 세트 전지의 온도를 측정하기 위한 온도 센서와,상기 단위 셀의 전압을 계측하기 위한 전압계와,상기 세트 전지의 온도가 45 ℃ 이상, 90 ℃ 이하일 때에 상기 단위 셀의 최대 충전 종지 전압 V1(V)을 하기 (1)식의 범위 내로 제어하는 충전 제어 수단을 구비하는 것을 특징으로 하는 축전 시스템.0.85 × V0 ≤ V1 ≤ 0.96 × V0 …(1)단, V0는 상기 세트 전지를 25 ℃에서 만충전하였을 때의 상기 단위 셀의 최대 충전 종지 전압(V)을 나타낸다.
- 제1항에 있어서, 상기 음극의 집전체는 알루미늄박 또는 알루미늄 합금박으로 형성되는 것을 특징으로 하는 축전 시스템.
- 제1항에 있어서, 상기 비수 전해질 이차 전지의 각각이 2 C 내지 120 C의 출입력률을 갖는 것을 특징으로 하는 축전 시스템.
- 제1항에 있어서, 상기 리튬티탄 복합 산화물의 분말 입자의 평균 입자 직경은 1 ㎛ 이하인 것을 특징으로 하는 축전 시스템.
- 제1항에 있어서, 상기 충전 제어 수단은 상기 세트 전지의 온도가 45 ℃ 이상, 60 ℃ 이하일 때에 상기 단위 셀의 최대 충전 종지 전압 V1(V)을 상기 (1)식의 범위 내로 제어하는 것을 특징으로 하는 축전 시스템.
- 제1항에 있어서, 상기 리튬티탄 복합 산화물의 분말 입자는 스피넬형 리튬티탄 분말 입자를 포함하는 것을 특징으로 하는 축전 시스템.
- 제1항에 있어서, 상기 양극은 LiaNibCocMndO2(단, 몰비 a, b, c 및 d는, 0 ≤ a ≤ 1.1, b + c + d = 1)로 나타내는 리튬니켈코발트망간 복합 산화물을 포함하는 것을 특징으로 하는 축전 시스템.
- 제1항에 있어서, 상기 비수 전해질은 γ-부티로락톤, 프로필렌카보네이트 및 에틸렌카보네이트로 이루어지는 그룹 중에서 선택된 적어도 1종류의 용매를 포함하는 것을 특징으로 하는 축전 시스템.
- 제1항에 있어서, 상기 세트 전지의 온도가 45 ℃ 이상, 90 ℃ 이하일 때에 상기 비수 전해질 이차 전지의 최대 충전 종지 전압 V1(V)을 하기 (2)식의 범위 내로 제어하는 것을 특징으로 하는 축전 시스템.0.9 × V0 ≤ V1 ≤ 0.96 × V0 …(2)단, V0는 상기 세트 전지를 25 ℃에서 만충전하였을 때의 상기 단위 셀의 최대 충전 종지 전압(V)을 나타낸다.
- 제1항에 있어서, 상기 충전 제어 수단은 상기 세트 전지의 온도가 45 ℃ 이상, 90 ℃ 이하일 때에 상기 비수 전해질 이차 전지의 최대 충전 종지 전압 V1(V)을 상기 (1)식의 범위 내로 제어하는 것을 특징으로 하는 축전 시스템.
- 리튬티탄 복합 산화물을 함유하는 음극층 및 상기 음극층이 담지되는 집전체를 포함하는 음극과 양극과 비수 전해질을 구비한 비수 전해질 이차 전지를 단위 셀로 하는 세트 전지와,상기 세트 전지에 충전하기 위한 회생 전력을 발전하는 발전기와,상기 세트 전지의 온도가 45 ℃ 이상, 90 ℃ 이하일 때에 상기 단위 셀의 최대 충전 종지 전압 V1(V)을 하기 (1)식의 범위 내로 제어하는 충전 제어 수단을 구비하는 것을 특징으로 하는 회생 축전 시스템.0.85 × V0 ≤ V1 ≤ 0.96 × V0 …(1)단, V0는 상기 세트 전지를 25 ℃에서 만충전하였을 때의 상기 단위 셀의 최대 충전 종지 전압(V)을 나타낸다.
- 제11항에 있어서, 상기 음극의 집전체는 알루미늄박 혹은 알루미늄 합금박으로 형성되는 것을 특징으로 하는 회생 축전 시스템.
- 제11항에 있어서, 상기 비수 전해질 이차 전지의 각각이 2 C 내지 120 C의 출입력률을 갖는 것을 특징으로 하는 회생 축전지 시스템.
- 제11항에 있어서, 상기 리튬티탄 복합 산화물의 분말 입자의 평균 입자 직경은 1 ㎛ 이하인 것을 특징으로 하는 회생 축전 시스템.
- 제11항에 있어서, 상기 충전 제어 수단은 상기 세트 전지의 온도가 45 ℃ 이상, 60 ℃ 이하일 때에 상기 단위 셀의 최대 충전 종지 전압 V1(V)을 상기 (1)식의 범위 내로 제어하는 것을 특징으로 하는 회생 축전 시스템.
- 제11항에 있어서, 상기 리튬티탄 복합 산화물의 분말 입자는 스피넬형 리튬티탄 분말 입자를 포함하는 것을 특징으로 하는 회생 축전 시스템.
- 제11항에 있어서, 상기 양극은 LiaNibCocMndO2(단, 몰비 a, b, c 및 d는 0 ≤ a ≤ 1.1, b + c + d = 1)로 나타내는 리튬니켈코발트망간 복합 산화물을 포함하는 것을 특징으로 하는 회생 축전 시스템.
- 제11항에 있어서, 상기 세트 전지의 온도가 45 ℃ 이상, 90 ℃ 이하일 때에 상기 비수 전해질 이차 전지의 최대 충전 종지 전압 V1(V)을 하기 (2)식의 범위 내로 제어하는 것을 특징으로 하는 회생 축전 시스템.0.9 × V0 ≤ V1 ≤ 0.96 × V0 …(2)단, V0는 상기 세트 전지를 25 ℃에서 만충전하였을 때의 상기 단위 셀의 최대 충전 종지 전압(V)을 나타낸다.
- 제11항에 있어서, 상기 충전 제어 수단은 상기 세트 전지의 온도가 45 ℃ 이상, 90 ℃ 이하일 때에 상기 비수 전해질 이차 전지의 최대 충전 종지 전압 V1(V)을 상기 (1)식의 범위 내로 제어하는 것을 특징으로 하는 회생 축전 시스템.
- 제11항에 기재된 회생 축전 시스템을 구비하는 것을 특징으로 하는 자동차.
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JP4213659B2 (ja) * | 2004-12-20 | 2009-01-21 | 株式会社東芝 | 非水電解質電池および正極活物質 |
JP4284341B2 (ja) * | 2006-07-25 | 2009-06-24 | 株式会社東芝 | 非水電解質電池、自動車、アシスト自転車、二輪車、充電式掃除機及び電池パック |
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2005
- 2005-08-10 JP JP2005232368A patent/JP4314223B2/ja active Active
- 2005-09-21 US US11/230,635 patent/US20060068272A1/en not_active Abandoned
- 2005-09-23 KR KR1020050088475A patent/KR100697741B1/ko active IP Right Grant
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2010
- 2010-04-22 US US12/765,587 patent/US8482262B2/en active Active
Patent Citations (4)
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JPH06349525A (ja) * | 1993-05-24 | 1994-12-22 | Saft (Soc Accumulateurs Fixes Traction) Sa | 密閉型ニッケル蓄電池の充電制御方法及びこの方法を使用する充電器 |
KR19980020456A (ko) * | 1996-09-09 | 1998-06-25 | 김영귀 | 전기자동차 축전시 온도변화에 따른 충전종지전압 제어방법 |
KR19990039937A (ko) * | 1997-11-14 | 1999-06-05 | 정몽규 | 전기 자동차용 니켈-메탈 하이드라이드 배터리를 위한 충전방법 |
JP2003229180A (ja) * | 2002-02-01 | 2003-08-15 | Japan Storage Battery Co Ltd | 鉛蓄電池の充電制御方法 |
Also Published As
Publication number | Publication date |
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JP2006120616A (ja) | 2006-05-11 |
US20060068272A1 (en) | 2006-03-30 |
KR20060051554A (ko) | 2006-05-19 |
US20100201326A1 (en) | 2010-08-12 |
JP4314223B2 (ja) | 2009-08-12 |
US8482262B2 (en) | 2013-07-09 |
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