WO2010093219A3 - 에너지 밀도가 향상된 리튬이차전지 - Google Patents

에너지 밀도가 향상된 리튬이차전지 Download PDF

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Publication number
WO2010093219A3
WO2010093219A3 PCT/KR2010/000946 KR2010000946W WO2010093219A3 WO 2010093219 A3 WO2010093219 A3 WO 2010093219A3 KR 2010000946 W KR2010000946 W KR 2010000946W WO 2010093219 A3 WO2010093219 A3 WO 2010093219A3
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WIPO (PCT)
Prior art keywords
secondary battery
energy density
discharge voltage
lithium secondary
final discharge
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PCT/KR2010/000946
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English (en)
French (fr)
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WO2010093219A2 (ko
Inventor
김홍정
구자훈
김수령
박홍규
Original Assignee
주식회사 엘지화학
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Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to US13/201,385 priority Critical patent/US8703340B2/en
Priority to CN201080016527.3A priority patent/CN102439765B/zh
Priority to EP10741436.9A priority patent/EP2398096A4/en
Publication of WO2010093219A2 publication Critical patent/WO2010093219A2/ko
Publication of WO2010093219A3 publication Critical patent/WO2010093219A3/ko

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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
    • 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
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/50—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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 에너지 밀도가 향상된 리튬이차전지에 관한 것으로서, 리튬 이온을 흡장·방출하는 리튬 혼합 전이금속 산화물을 포함하는 양극 활물질을 이용한 양극으로 이루어지며, 방전 종료 전압이 1.5~2.75V인 것으로서, 양극의 활물질로서 다양한 리튬 혼합 전이금속 산화물을 사용하거나, 또는 LCO계 양극재와 혼합 사용함으로써 방전 종료 전압을 기존 3.0V에서 1.5V~2.75V까지 낮출 수 있으며, 종래 LCO계 양극재의 경우 방전 종료 전압을 낮추더라도 용량이나 에너지 밀도에 차이가 없던 데 비해 본 발명의 양극재를 사용한 결과 방전 종료 전압을 낮춤에 따라 10~20%의 용량을 추가로 향상시킬 수 있게 되었다.
PCT/KR2010/000946 2009-02-13 2010-02-16 에너지 밀도가 향상된 리튬이차전지 WO2010093219A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/201,385 US8703340B2 (en) 2009-02-13 2010-02-16 Lithium secondary battery with improved energy density
CN201080016527.3A CN102439765B (zh) 2009-02-13 2010-02-16 改进能量密度的锂二次电池
EP10741436.9A EP2398096A4 (en) 2009-02-13 2010-02-16 LITHIUM CENTRAL BATTERY WITH INCREASED ENERGY LIQUID

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2009-0011697 2009-02-13
KR20090011697 2009-02-13
KR1020100013759A KR101082468B1 (ko) 2009-02-13 2010-02-16 에너지 밀도가 향상된 리튬이차전지
KR10-2010-0013759 2010-02-16

Publications (2)

Publication Number Publication Date
WO2010093219A2 WO2010093219A2 (ko) 2010-08-19
WO2010093219A3 true WO2010093219A3 (ko) 2010-11-25

Family

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Application Number Title Priority Date Filing Date
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Country Status (5)

Country Link
US (1) US8703340B2 (ko)
EP (1) EP2398096A4 (ko)
KR (1) KR101082468B1 (ko)
CN (1) CN102439765B (ko)
WO (1) WO2010093219A2 (ko)

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WO2011122865A2 (ko) 2010-04-01 2011-10-06 주식회사 엘지화학 양극 활물질 및 이를 이용한 리튬 이차전지
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Also Published As

Publication number Publication date
CN102439765A (zh) 2012-05-02
KR20100092918A (ko) 2010-08-23
US8703340B2 (en) 2014-04-22
EP2398096A4 (en) 2013-09-18
KR101082468B1 (ko) 2011-11-11
CN102439765B (zh) 2015-07-29
WO2010093219A2 (ko) 2010-08-19
US20120028134A1 (en) 2012-02-02
EP2398096A2 (en) 2011-12-21

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