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WO2010101395A3 - 고에너지 밀도의 양극 재료와 유/무기 복합 다공성 분리막을 포함하는 리튬 이차전지 - Google Patents

고에너지 밀도의 양극 재료와 유/무기 복합 다공성 분리막을 포함하는 리튬 이차전지 Download PDF

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Publication number
WO2010101395A3
WO2010101395A3 PCT/KR2010/001304 KR2010001304W WO2010101395A3 WO 2010101395 A3 WO2010101395 A3 WO 2010101395A3 KR 2010001304 W KR2010001304 W KR 2010001304W WO 2010101395 A3 WO2010101395 A3 WO 2010101395A3
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WIPO (PCT)
Prior art keywords
positive electrode
separator membrane
organic
inorganic composite
secondary battery
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Ceased
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PCT/KR2010/001304
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English (en)
French (fr)
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WO2010101395A2 (ko
Inventor
최승은
고은영
이향목
강희경
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LG Chem Ltd
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LG Chem Ltd
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Priority to CN201080010708.5A priority Critical patent/CN102341939B/zh
Priority to EP10748937.9A priority patent/EP2405510B1/en
Publication of WO2010101395A2 publication Critical patent/WO2010101395A2/ko
Publication of WO2010101395A3 publication Critical patent/WO2010101395A3/ko
Priority to US13/223,731 priority patent/US8715856B2/en
Anticipated expiration legal-status Critical
Priority to US13/789,810 priority patent/US8753777B2/en
Ceased legal-status Critical Current

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Engineering & Computer Science (AREA)
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  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)

Abstract

본 발명은 양극, 음극, 분리막, 및 전해질을 포함하는 이차전지에 있어서, 상기 양극은 본 명세서에서 정의하는 제 1 양극재와, 본 명세서에서 정의하는 제 2-1 양극재 및 제 2-2 양극재로 이루어진 군에서 선택되는 1종 이상의 제 2 양극재의 혼합물을 포함하고, 두 양극재들의 혼합비(제 1 양극재: 제 2 양극재)는 50: 50 내지 90: 10이며, 상기 분리막은 (a) 폴리올레핀 계열 분리막 기재 및 (b) 상기 기재의 표면 및 상기 기재에 존재하는 기공부 일부로 구성된 군으로부터 선택된 1종 이상의 영역이 무기물 입자 및 바인더 고분자의 혼합물로 코팅된 활성층을 포함하는 유/무기 복합 다공성 분리막으로서, 상기 활성층은 바인더 고분자에 의해 무기물 입자 사이가 연결 및 고정되고, 무기물 입자들간의 빈 공간(interstitial volume)으로 인해 기공 구조가 형성된 유/무기 복합 다공성 분리막인 것을 특징으로 하는 이차전지를 제공한다.
PCT/KR2010/001304 2009-03-03 2010-03-03 고에너지 밀도의 양극 재료와 유/무기 복합 다공성 분리막을 포함하는 리튬 이차전지 Ceased WO2010101395A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201080010708.5A CN102341939B (zh) 2009-03-03 2010-03-03 含有具有高能量密度的正极材料和有机/无机复合多孔隔膜的锂二次电池
EP10748937.9A EP2405510B1 (en) 2009-03-03 2010-03-03 Lithium secondary battery containing high energy density positive electrode materials and an organic/inorganic composite microporous separator membrane
US13/223,731 US8715856B2 (en) 2009-03-03 2011-09-01 Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane
US13/789,810 US8753777B2 (en) 2009-03-03 2013-03-08 Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20090018108 2009-03-03
KR10-2009-0018108 2009-03-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/223,731 Continuation US8715856B2 (en) 2009-03-03 2011-09-01 Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane

Publications (2)

Publication Number Publication Date
WO2010101395A2 WO2010101395A2 (ko) 2010-09-10
WO2010101395A3 true WO2010101395A3 (ko) 2010-11-25

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Application Number Title Priority Date Filing Date
PCT/KR2010/001304 Ceased WO2010101395A2 (ko) 2009-03-03 2010-03-03 고에너지 밀도의 양극 재료와 유/무기 복합 다공성 분리막을 포함하는 리튬 이차전지

Country Status (5)

Country Link
US (2) US8715856B2 (ko)
EP (1) EP2405510B1 (ko)
KR (1) KR101147602B1 (ko)
CN (1) CN102341939B (ko)
WO (1) WO2010101395A2 (ko)

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US8497039B2 (en) * 2008-09-10 2013-07-30 Lg Chem, Ltd. Cathode active material for lithium secondary battery
JP5988134B2 (ja) * 2011-05-11 2016-09-07 株式会社Ｇｓユアサ 蓄電素子
KR101649130B1 (ko) * 2011-10-20 2016-08-19 삼성에스디아이 주식회사 리튬 이차 전지
KR101488829B1 (ko) * 2012-04-20 2015-02-04 주식회사 엘지화학 세퍼레이터의 제조방법, 이로부터 형성된 세퍼레이터 및 이를 포함하는 전기화학소자
EP2750235B1 (en) * 2012-05-31 2016-07-27 LG Chem, Ltd. Lithium secondary battery
KR101454829B1 (ko) 2012-06-13 2014-10-28 주식회사 엘지화학 혼합 양극재를 포함하는 이차 전지의 충전 상태 추정 장치 및 방법
US9046583B2 (en) 2012-06-13 2015-06-02 Lg Chem, Ltd. Apparatus and method for estimating voltage of secondary battery including blended material in electrode
KR101454828B1 (ko) 2012-06-13 2014-10-28 주식회사 엘지화학 혼합 양극재를 포함하는 이차 전지의 전압 추정 장치 및 방법
US20150155542A1 (en) * 2012-08-01 2015-06-04 Samsung Sdi Co., Ltd. Separation membrane comprising coating layer and battery using same
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