KR100444141B1 - 리튬 이차전지용 음극 활물질, 이를 이용한 음극판 및이차전지 - Google Patents
리튬 이차전지용 음극 활물질, 이를 이용한 음극판 및이차전지 Download PDFInfo
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- KR100444141B1 KR100444141B1 KR10-2001-0073568A KR20010073568A KR100444141B1 KR 100444141 B1 KR100444141 B1 KR 100444141B1 KR 20010073568 A KR20010073568 A KR 20010073568A KR 100444141 B1 KR100444141 B1 KR 100444141B1
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- Prior art keywords
- negative electrode
- secondary battery
- hydrogen
- lithium secondary
- electrode active
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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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- 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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/96—Carbon-based electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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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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- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
Description
Claims (6)
- 콜로이드 분산으로 제조하여 동결 건조한 평균 입경 20 내지 80 ㎚의 철 산화물(γ-ferrite) 및/또는 니켈 산화물 미립자를 기본촉매로 사용하여 400 내지 700℃의 환원분위기에서 환원시킨 후, 일산화탄소 및/또는 탄화수소를 원료가스로 하여 이동상 및/또는 고정상의 촉매 표면에서 수소와 혼합하여 촉매 표면에서 640 내지 700℃로 기상 분해하여 제조하며, 제조된 탄소재료의 탄소육각 망면의 면간거리(d002)가 0.3400 nm 미만이고 비표면적이 100 ㎡/g 이하의 고결정성 탄소재료인 리튬 이차전지용 음극 활물질.
- 제 1 항에 있어서, 상기 환원분위기는 수소와 질소의 혼합가스, 수소와 아르곤의 혼합가스, 또는 수소와 헬륨의 혼합가스이며, 상기 혼합가스 중의 수소의 함량이 2 내지 50 부피%인 것을 특징으로 하는 리튬 이차전지용 음극 활물질.
- 제 1 항에 있어서, 상기 원료가스 중, 탄화수소는 수소와 탄소로 구성된 불포화 및/또는 포화 탄화수소로서, 탄소수가 1 내지 4인 아세틸렌(C2H2), 메탄(CH4), 에틸렌(C2H4), 에탄(C2H6), 프로필렌(C3H6), 프로판(C3H8), 부탄(C4H10), 부틸렌(C4H8), 부타디엔(C4H6)과 그의 이성질체로 구성된 군에서 선택된 하나 또는 둘 이상이 사용되며,원료가스와 수소가스의 상기 혼합비율은 체적당 원료가스의 비율이 10 내지95%인 것을 특징으로 하는 리튬 이차전지용 음극 활물질.
- 제 1 항에 있어서, 기상 분해 온도가 650 내지 680℃인 것을 특징으로 하는 리튬 이차전지용 음극 활물질.
- 제 1 항 내지 제 4 항에 따른 음극 활물질을 사용한 리튬 이차전지용 음극판.
- 제 5 항에 따른 음극판을 사용한 리튬 이차전지.
Applications Claiming Priority (2)
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KR20000070509 | 2000-11-24 | ||
KR1020000070509 | 2000-11-24 |
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KR20020040646A KR20020040646A (ko) | 2002-05-30 |
KR100444141B1 true KR100444141B1 (ko) | 2004-08-09 |
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KR10-2001-0073568A KR100444141B1 (ko) | 2000-11-24 | 2001-11-24 | 리튬 이차전지용 음극 활물질, 이를 이용한 음극판 및이차전지 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100434848B1 (ko) * | 2001-12-11 | 2004-06-07 | 일진나노텍 주식회사 | 탄소나노튜브를 이용한 리튬이온 2차전지의 제조방법 및그에 따라 제조된 리튬이온 2차전지 |
KR100473621B1 (ko) * | 2002-05-31 | 2005-03-10 | 한국전기연구원 | 리튬이차전지의 전극제조방법 및 이를 이용한리튬이차전지 |
JP6903683B2 (ja) * | 2016-11-14 | 2021-07-14 | 株式会社東芝 | 非水電解質電池及び電池パック |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11335106A (ja) * | 1998-03-25 | 1999-12-07 | Shimadzu Corp | カーボンの製造方法 |
KR20010042303A (ko) * | 1998-03-31 | 2001-05-25 | 크레머, 포프 | 리튬 전지 및 전극 |
KR20010055503A (ko) * | 1999-12-10 | 2001-07-04 | 김순택 | 리튬 이차 전지용 음극 활물질 및 그의 제조 방법 |
US6280697B1 (en) * | 1999-03-01 | 2001-08-28 | The University Of North Carolina-Chapel Hill | Nanotube-based high energy material and method |
JP2001266873A (ja) * | 2000-03-16 | 2001-09-28 | Hitachi Maxell Ltd | 非水二次電池用負極、その製造方法および前記負極を用いた非水二次電池 |
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- 2001-11-24 KR KR10-2001-0073568A patent/KR100444141B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11335106A (ja) * | 1998-03-25 | 1999-12-07 | Shimadzu Corp | カーボンの製造方法 |
KR20010042303A (ko) * | 1998-03-31 | 2001-05-25 | 크레머, 포프 | 리튬 전지 및 전극 |
US6280697B1 (en) * | 1999-03-01 | 2001-08-28 | The University Of North Carolina-Chapel Hill | Nanotube-based high energy material and method |
KR20010055503A (ko) * | 1999-12-10 | 2001-07-04 | 김순택 | 리튬 이차 전지용 음극 활물질 및 그의 제조 방법 |
JP2001266873A (ja) * | 2000-03-16 | 2001-09-28 | Hitachi Maxell Ltd | 非水二次電池用負極、その製造方法および前記負極を用いた非水二次電池 |
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