KR100691136B1 - 다성분계 산화물 코팅층을 함유하는 전극활물질 및 이의제조방법 - Google Patents
다성분계 산화물 코팅층을 함유하는 전극활물질 및 이의제조방법 Download PDFInfo
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- 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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
- H01M4/1315—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx containing halogen atoms, e.g. LiCoOxFy
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H01M10/052—Li-accumulators
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- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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- 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
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
- H01M4/13915—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx containing halogen atoms, e.g. LiCoOxFy
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- H—ELECTRICITY
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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- 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
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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- H—ELECTRICITY
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- 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
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- 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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- 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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- 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
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- 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
Abstract
Description
전지 | 0.1C 방전 용량 (mAh/g) | 1C 초기 용량 (mAh/g) | 1C 30회 뒤 용량 (mAh/g) |
실시예 1 | 215 | 185 | 170 |
실시예 2 | 215 | 190 | 175 |
실시예 3 | 212 | 190 | 175 |
비교예 1 | 212 | 170 | 100 |
Claims (11)
- (a) 리튬을 흡장 및 방출할 수 있는 리튬 함유 복합 금속산화물 입자; 및(b) 상기 입자 표면의 일부 또는 전부에 형성되고, 하기 화학식 1로 표기되는 다성분계 산화물 코팅층을 포함하는 전극활물질:[화학식 1]Al1-aPaXbO4-b (Ⅰ)(상기 식에서, X는 할로겐 원소이며, 0 < a < 1 및 0 < b <1임).
- 삭제
- 제 1항에 있어서, 상기 다성분계 산화물 코팅층은 비정질, 결정질 또는 이들의 혼합 형태인 전극활물질.
- 제 1항에 있어서, 상기 다성분계 산화물의 함량은 전극활물질 100 중량부 당 0.1 내지 10 중량부인 전극활물질.
- 제1항, 제3항 및 제4항 중 어느 한 항의 전극활물질을 포함하는 전극.
- 제 5항에 있어서, 상기 전극은 양극인 것이 특징인 전극.
- 양극, 음극, 분리막 및 전해질을 포함하는 전기 화학 소자에 있어서, 상기 양극, 음극 또는 양 전극이 제1항, 제3항 및 제4항 중 어느 한 항의 전극활물질을 포함하는 전극인 것이 특징인 전기 화학 소자.
- 제 7항에 있어서, 상기 전기 화학 소자는 리튬 이차 전지인 전기 화학 소자.
- (a) 알루미늄 전구체, 인 전구체 및 할로겐 전구체 화합물을 용매에 용해시켜 코팅액을 제조하는 단계;(b) 상기 단계 (a)에서 제공된 코팅액에 전극활물질 입자를 첨가 및 교반하여 코팅하는 단계; 및(c) 상기 단계 (b)에서 코팅된 전극활물질을 열처리하는 단계를 포함하는 제1항, 제3항 및 제4항 중 어느 한 항에 기재된 전극활물질의 제조방법.
- (a) 알루미늄 전구체, 인 전구체 및 할로겐 전구체 화합물을 용매에 용해시켜 코팅액을 제조하는 단계;(b) 상기 코팅액을 기제조된 전극 표면에 코팅하거나 또는 전극의 재료와 혼합하여 전극을 제조하는 단계; 및(c) 상기 전극을 건조하는 단계를 포함하여 제1항, 제3항 및 제4항 중 어느 한 항에 기재된 전극활물질을 함유하는 전극의 제조방법.
- 제 10항에 있어서, 상기 단계 (b)의 코팅액과 전극 재료를 혼합하는 단계는 전극활물질과 코팅액을 혼합하여 전극 슬러리를 제조한 후, 제조된 슬러리를 집전체에 도포하는 것인 제조방법.
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KR20040070094 | 2004-09-02 | ||
KR1020040070094 | 2004-09-02 |
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KR20060050928A KR20060050928A (ko) | 2006-05-19 |
KR100691136B1 true KR100691136B1 (ko) | 2007-03-09 |
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KR1020050081247A KR100691136B1 (ko) | 2004-09-02 | 2005-09-01 | 다성분계 산화물 코팅층을 함유하는 전극활물질 및 이의제조방법 |
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Country | Link |
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US (1) | US7727670B2 (ko) |
EP (1) | EP1787341B1 (ko) |
JP (1) | JP4837661B2 (ko) |
KR (1) | KR100691136B1 (ko) |
CN (1) | CN100511784C (ko) |
BR (1) | BRPI0513106B8 (ko) |
CA (1) | CA2576888C (ko) |
RU (1) | RU2333574C1 (ko) |
TW (1) | TWI290781B (ko) |
WO (1) | WO2006025707A1 (ko) |
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JP4502664B2 (ja) * | 2004-02-24 | 2010-07-14 | 三洋電機株式会社 | 非水電解液二次電池 |
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JPH0955210A (ja) * | 1995-08-11 | 1997-02-25 | Sony Corp | 正極活物質及びそれを用いた非水電解質二次電池 |
JPH1116566A (ja) * | 1997-06-20 | 1999-01-22 | Hitachi Ltd | 電 池 |
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KR101189033B1 (ko) | 2009-12-30 | 2012-10-08 | 주식회사 엘앤에프신소재 | 전극활물질의 제조방법 및 이 방법으로 제조된 전극활물질 |
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TWI290781B (en) | 2007-12-01 |
BRPI0513106B8 (pt) | 2023-01-10 |
BRPI0513106B1 (pt) | 2016-03-01 |
US7727670B2 (en) | 2010-06-01 |
CA2576888A1 (en) | 2006-03-09 |
BRPI0513106A (pt) | 2008-04-29 |
WO2006025707A1 (en) | 2006-03-09 |
EP1787341A1 (en) | 2007-05-23 |
KR20060050928A (ko) | 2006-05-19 |
JP2008506244A (ja) | 2008-02-28 |
RU2333574C1 (ru) | 2008-09-10 |
CN1985390A (zh) | 2007-06-20 |
US20060083991A1 (en) | 2006-04-20 |
EP1787341B1 (en) | 2016-08-24 |
JP4837661B2 (ja) | 2011-12-14 |
WO2006025707A8 (en) | 2007-02-08 |
CN100511784C (zh) | 2009-07-08 |
TW200614575A (en) | 2006-05-01 |
CA2576888C (en) | 2011-05-24 |
EP1787341A4 (en) | 2010-08-04 |
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