JP2011513911A5 - - Google Patents

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JP2011513911A5
JP2011513911A5 JP2010548597A JP2010548597A JP2011513911A5 JP 2011513911 A5 JP2011513911 A5 JP 2011513911A5 JP 2010548597 A JP2010548597 A JP 2010548597A JP 2010548597 A JP2010548597 A JP 2010548597A JP 2011513911 A5 JP2011513911 A5 JP 2011513911A5
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Japan
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negative electrode
electrode material
material composition
lithium secondary
conductive
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JP2010548597A
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English (en)
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JP5279047B2 (ja
JP2011513911A (ja
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Priority claimed from KR20080035012A external-priority patent/KR101041829B1/ko
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Claims (6)

  1. 負極活物質、バインダーおよび導電材を含むリチウム二次電池用負極材料組成物において、前記バインダーは、アクリロニトリルに対しアクリル酸のモル比が０.０１〜２のポリアクリロニトリル-アクリル酸共重合体であって、分子量が１，０３０,０００〜５,０００,０００の範囲内のポリアクリロニトリル-アクリル酸共重合体であり、これを含む前記バインダーは、全負極材料組成物に対し１〜３０重量％が含まれていることを特徴とするリチウム二次電池用負極材料組成物。
  2. 前記活物質は、炭素および黒鉛材料と、リチウムと合金が可能な金属およびこのような金属を含む化合物と、金属およびその化合物と炭素および黒鉛材料の複化合物と、リチウム含有窒化物とからなる群より選択される一つであることを特徴とする請求項１に記載のリチウム二次電池用負極材料組成物。
  3. 前記導電材は、黒鉛、カーボンブラック、導電性繊維、金属粉末、導電性ウイスキー、導電性金属酸化物、又は伝導性高分子であることを特徴とする請求項１または２に記載のリチウム二次電池用負極材料組成物。
  4. 前記導電材は、全負極材料に対し１〜５０重量％含まれることを特徴とする請求項３に記載のリチウム二次電池用負極材料組成物。
  5. 前記リチウム二次電池用負極材料組成物は、充填剤をさらに含んでいることを特徴とする請求項１から４の何れか１項に記載のリチウム二次電池用負極材料組成物。
  6. 請求項１〜５のいずれか１項に記載のリチウム二次電池用負極材料組成物が含まれたリチウム二次電池。
JP2010548597A 2008-04-16 2008-08-07 リチウム二次電池用負極材料組成物及びリチウム二次電池 Active JP5279047B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20080035012A KR101041829B1 (ko) 2008-04-16 2008-04-16 폴리아크릴로니트릴-아크릴산 공중합체 및 바인더를 포함한음극 재료 조성물, 그 제조방법 및 그 음극 재료 조성물을포함하는 리튬 이차 전지
KR10-2008-0035012 2008-04-16
PCT/KR2008/004596 WO2009128589A1 (en) 2008-04-16 2008-08-07 Anode composition comprising acrylonitrile-acrylic acid copolymer as binder, method for preparing the anode composition and lithium secondary battery using the anode composition

Publications (3)

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JP2011513911A JP2011513911A (ja) 2011-04-28
JP2011513911A5 true JP2011513911A5 (ja) 2012-06-07
JP5279047B2 JP5279047B2 (ja) 2013-09-04

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JP2010548597A Active JP5279047B2 (ja) 2008-04-16 2008-08-07 リチウム二次電池用負極材料組成物及びリチウム二次電池

Country Status (5)

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US (1) US9012088B2 (ja)
JP (1) JP5279047B2 (ja)
KR (1) KR101041829B1 (ja)
CN (1) CN101926032B (ja)
WO (1) WO2009128589A1 (ja)

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