JP2012178312A5 - - Google Patents

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Publication number
JP2012178312A5
JP2012178312A5 JP2011041457A JP2011041457A JP2012178312A5 JP 2012178312 A5 JP2012178312 A5 JP 2012178312A5 JP 2011041457 A JP2011041457 A JP 2011041457A JP 2011041457 A JP2011041457 A JP 2011041457A JP 2012178312 A5 JP2012178312 A5 JP 2012178312A5
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Japan
Prior art keywords
positive electrode
active material
material according
electrode active
mixture
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JP2011041457A
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Japanese (ja)
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JP2012178312A (en
JP5658058B2 (en
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Priority claimed from JP2011041457A external-priority patent/JP5658058B2/en
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Publication of JP2012178312A5 publication Critical patent/JP2012178312A5/ja
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Description

前記正極活物質は、−０．０４≦ｘ≦０．０５であることが好ましい。 The positive electrode active material preferably satisfies −0.04 ≦ x ≦ 0.05.

Claims (7)

組成式Ｌｉ１．１＋ｘＮｉａＭ１ ｂＭ２ ｃＯ２（式中、Ｍ１はＭｏ及びＷのうち少なくともいずれかを含み、Ｍ２はＭｎである。−０．０７≦ｘ≦０．１、０．９０≦ａ≦０．９８、０．０２≦ｂ≦０．０６、０．００≦ｃ≦０．０６である。）で表されることを特徴とする正極活物質。 Composition formula Li 1.1 + x Ni a M 1 b M 2 c O 2 (wherein M 1 includes at least one of Mo and W, and M 2 is Mn. −0.07 ≦ x ≦ 0. 1. 0.90 ≦ a ≦ 0.98, 0.02 ≦ b ≦ 0.06, 0.00 ≦ c ≦ 0.06)). ０．９４≦ａ≦０．９８であることを特徴とする請求項１記載の正極活物質。   The positive electrode active material according to claim 1, wherein 0.94 ≦ a ≦ 0.98. −０．０４≦ｘ≦０．０５であることを特徴とする請求項１又は２に記載の正極活物質。 The positive electrode active material according to claim 1, wherein 0.04 ≦ x ≦ 0.05. ０．０３≦ｂ≦０．０５であることを特徴とする請求項１〜３のいずれか一項に記載の正極活物質。   It is 0.03 <= b <= 0.05, The positive electrode active material as described in any one of Claims 1-3 characterized by the above-mentioned. 請求項１〜４のいずれか一項に記載の正極活物質と、バインダとを含むことを特徴とする正極合剤。   A positive electrode mixture comprising the positive electrode active material according to any one of claims 1 to 4 and a binder. 請求項５記載の正極合剤と、この正極合剤を塗工した正極集電板とを含むことを特徴とする正極。   A positive electrode comprising the positive electrode mixture according to claim 5 and a positive electrode current collector plate coated with the positive electrode mixture. リチウムを吸蔵放出可能な正極及び負極と、前記正極と前記負極との間に挟まれたセパレータと、非水電解質とを含み、前記正極は、請求項５記載の正極合剤を含むことを特徴とするリチウムイオン二次電池。   A positive electrode and a negative electrode capable of occluding and releasing lithium, a separator sandwiched between the positive electrode and the negative electrode, and a nonaqueous electrolyte, wherein the positive electrode includes the positive electrode mixture according to claim 5. Lithium ion secondary battery.
JP2011041457A 2011-02-28 2011-02-28 Lithium ion secondary battery Expired - Fee Related JP5658058B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011041457A JP5658058B2 (en) 2011-02-28 2011-02-28 Lithium ion secondary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011041457A JP5658058B2 (en) 2011-02-28 2011-02-28 Lithium ion secondary battery

Publications (3)

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JP2012178312A JP2012178312A (en) 2012-09-13
JP2012178312A5 true JP2012178312A5 (en) 2013-03-21
JP5658058B2 JP5658058B2 (en) 2015-01-21

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JP2011041457A Expired - Fee Related JP5658058B2 (en) 2011-02-28 2011-02-28 Lithium ion secondary battery

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015037111A1 (en) * 2013-09-13 2015-03-19 株式会社日立製作所 Positive-electrode active material for use in lithium-ion secondary batteries and lithium-ion secondary battery using said positive-electrode active material
WO2015141179A1 (en) * 2014-03-17 2015-09-24 三洋電機株式会社 Non-aqueous electrolyte secondary battery
JP2017120765A (en) * 2015-12-25 2017-07-06 パナソニック株式会社 Nonaqueous electrolyte secondary battery

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3229425B2 (en) * 1993-03-29 2001-11-19 松下電器産業株式会社 Positive electrode for lithium secondary battery and method for producing the same
JP4161382B2 (en) * 1997-02-25 2008-10-08 堺化学工業株式会社 Process for producing two-layer structured particulate composition
KR100578877B1 (en) * 2004-03-12 2006-05-11 삼성에스디아이 주식회사 Rechargeable lithium battery
CN100463284C (en) * 2004-04-07 2009-02-18 松下电器产业株式会社 Nonaqueous electrolyte secondary battery
JP2009224097A (en) * 2008-03-14 2009-10-01 Panasonic Corp Nonaqueous electrolyte secondary battery

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