KR20020027286A - 비수성 전해질 2차 전지 - Google Patents
비수성 전해질 2차 전지 Download PDFInfo
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- KR20020027286A KR20020027286A KR1020010061592A KR20010061592A KR20020027286A KR 20020027286 A KR20020027286 A KR 20020027286A KR 1020010061592 A KR1020010061592 A KR 1020010061592A KR 20010061592 A KR20010061592 A KR 20010061592A KR 20020027286 A KR20020027286 A KR 20020027286A
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- South Korea
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- active material
- lifepo
- positive electrode
- electrode active
- electrolyte secondary
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
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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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
양극 활성 물질층의 두께(한 면: ㎛) | 15 | 25 | 50 | 75 | 90 | 110 | 125 | 140 |
양면 막 두께의 합(㎛) | 30 | 50 | 100 | 150 | 180 | 220 | 250 | 280 |
양극 체적의 접전체 비율(%) | 27 | 18 | 10 | 7 | 6 | 5 | 4 | 4 |
0.2C 방전 용량(mAh) | 484 | 722 | 1040 | 1194 | 1253 | 1310 | 1343 | 1370 |
3C 방전 용량(mAh) | 470 | 701 | 1006 | 1150 | 1195 | 1194 | 1081 | 940 |
3C 방전 용량 유지율 대0.2C 방전 용량 유지율 | 97.2 | 97.1 | 96.7 | 96.3 | 95.4 | 91.1 | 80.5 | 68.6 |
전지 평가 | × | ○ | ○ | ○ | ○ | ○ | × | × |
양극 활성 물질층의 두께(한 면:㎛) | 15 | 25 | 75 | 110 | 125 |
양면의 막 두께의 합(㎛) | 30 | 50 | 150 | 220 | 250 |
양극 체적의 집전체의 비율(%) | 32 | 22 | 9 | 6 | 5 |
0.2C 방전 용량(mAh) | 244 | 381 | 677 | 755 | 777 |
3C 방전 용량 유지율 대0.2C 방전 용량 유지율 | 94.3 | 92.2 | 88.9 | 74.3 | 54.9 |
전지 평가 | × | ○ | ○ | ○ | × |
Claims (13)
- 화학식 1의 화합물을 함유하는 양극 활성 물질(cathode active material)층을 갖는 양극,음극 활성 물질(anode active material)을 함유하는 양극 활성 물질층을 갖는 음극 및비수성 전해질을 포함하는 비수성 전해질 2차 전지에 있어서,양극 활성 물질층의 막 두께 범위가 25 내지 110㎛인 비수성 전해질 2차 전지.화학식 1LixFe1-yMyPO4위의 화학식 1에서,M은 Mn, Cr, Co, Cu, Ni, V, Mo, Ti, Zn, Al, Ga, Mg, B 및 Nb로 이루어진 그룹으로부터 선택된 하나 이상이고,x는 0.05 내지 1.2이고,y는 0 내지 0.8이다.
- 제1항에 있어서, 양극 활성 물질층이 양극 집전체의 각 표면에 형성되어 있고, 양 표면에 형성된 양극 활성 물질층의 막 두께의 합이 50 내지 220㎛인 비수성전해질 2차 전지.
- 제1항에 있어서, 음극 활성 물질이 리튬을 도핑/탈도핑할 수 있는 비수성 전해질 2차 전지.
- 제3항에 있어서, 음극 활성 물질층이 음극 집전체의 각 표면에 형성되어 있는 비수성 전해질 2차 전지.
- 제1항에 있어서, 비수성 전해질 전지가 양극 활성 물질층으로 이루어진 나선형 코일이고, 음극 활성 물질층이 세퍼레이터를 중간에 두고 복수회 권취되어 있는 비수성 전해질 2차 전지.
- 제1항에 있어서, 양극 활성 물질층이 LiFePO4화합물과 탄소 재료와의 LiFePO4탄소 복합체인 비수성 전해질 2차 전지.
- 제6항에 있어서, LiFePO4탄소 복합체의 단위중량당 탄소 함량이 3중량% 이하인 비수성 전해질 2차 전지.
- 제6항에 있어서, LiFePO4탄소 복합체를 형성하는 탄소 재료가 라만 분광법으로 측정하여 1570 내지 1590cm-1의 파수에서 나타나는 G 피크와 1340 내지 1360cm-1의 파수에서 나타나는 D 피크와의 백그라운드를 포함하지 않는 라만 스펙트럼 강도 면적 비 A(D/G)로서 정의되는 강도 면적 비 A(D/G)를 나타내는 비수성 전해질 2차 전지.
- 제6항에 있어서, LiFePO4탄소 복합체의 분말 밀도가 2.2g/cm3이상인 비수성 전해질 2차 전지.
- 제6항에 있어서, LiFePO4탄소 복합체의 브루나우어 에멧트 텔러(Brunauer Emmett Teller) 비표면적이 10.3m2/g 이상인 비수성 전해질 2차 전지.
- 제6항에 있어서, LiFePO4탄소 복합체의 1차 입자 크기가 3.1㎛ 이하인 비수성 전해질 2차 전지.
- 제1항에 있어서, 비수성 전해질이 전해질을 비양자성 비수성 용매에 용해시켜 수득한 비수성 전해질 용액인 비수성 전해질 2차 전지.
- 제1항에 있어서, 비수성 전해질이 고체 전해질인 비수성 전해질 2차 전지.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000308301A JP3997702B2 (ja) | 2000-10-06 | 2000-10-06 | 非水電解質二次電池 |
JPJP-P-2000-00308301 | 2000-10-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020027286A true KR20020027286A (ko) | 2002-04-13 |
KR100776523B1 KR100776523B1 (ko) | 2007-11-15 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020010061592A KR100776523B1 (ko) | 2000-10-06 | 2001-10-06 | 비수성 전해질 2차 전지 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6656635B2 (ko) |
EP (1) | EP1195836B1 (ko) |
JP (1) | JP3997702B2 (ko) |
KR (1) | KR100776523B1 (ko) |
CN (1) | CN1180498C (ko) |
CA (1) | CA2358256A1 (ko) |
MX (1) | MX236631B (ko) |
TW (1) | TW525312B (ko) |
Cited By (4)
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KR101237686B1 (ko) * | 2003-01-31 | 2013-02-26 | 자이단호우진 치큐칸쿄 산교기쥬츠 켄큐키코 | 2차 전지용 양극 재료, 이것의 제조방법, 및 2차 전지 |
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- 2001-10-05 MX MXPA01010061 patent/MX236631B/es active IP Right Grant
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- 2001-10-05 EP EP01123892A patent/EP1195836B1/en not_active Expired - Lifetime
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KR101237686B1 (ko) * | 2003-01-31 | 2013-02-26 | 자이단호우진 치큐칸쿄 산교기쥬츠 켄큐키코 | 2차 전지용 양극 재료, 이것의 제조방법, 및 2차 전지 |
KR101282079B1 (ko) * | 2004-11-02 | 2013-07-04 | 에이일이삼 시스템즈 인코포레이티드 | 복합 전극 재료의 제조 방법 |
WO2011068391A2 (ko) | 2009-12-04 | 2011-06-09 | 주식회사 루트제이제이 | 나노 중공 섬유형 탄소를 포함하는 리튬 이차전지용 양극 활물질 전구체, 활물질 및 그 제조방법 |
US10505376B2 (en) | 2014-09-29 | 2019-12-10 | Murata Manufacturing Co., Ltd. | Power storage apparatus, electronic apparatus, electric vehicle, and electric power system |
Also Published As
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JP2002117833A (ja) | 2002-04-19 |
MX236631B (es) | 2006-05-08 |
JP3997702B2 (ja) | 2007-10-24 |
CN1349266A (zh) | 2002-05-15 |
US6656635B2 (en) | 2003-12-02 |
TW525312B (en) | 2003-03-21 |
MXPA01010061A (es) | 2003-08-20 |
KR100776523B1 (ko) | 2007-11-15 |
US20020106564A1 (en) | 2002-08-08 |
EP1195836B1 (en) | 2011-06-29 |
CN1180498C (zh) | 2004-12-15 |
EP1195836A2 (en) | 2002-04-10 |
CA2358256A1 (en) | 2002-04-06 |
EP1195836A3 (en) | 2004-11-24 |
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