JP2006107912A5 - - Google Patents

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Publication number
JP2006107912A5
JP2006107912A5 JP2004292541A JP2004292541A JP2006107912A5 JP 2006107912 A5 JP2006107912 A5 JP 2006107912A5 JP 2004292541 A JP2004292541 A JP 2004292541A JP 2004292541 A JP2004292541 A JP 2004292541A JP 2006107912 A5 JP2006107912 A5 JP 2006107912A5
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JP
Japan
Prior art keywords
active material
material layer
nonaqueous electrolyte
siox
secondary battery
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Application number
JP2004292541A
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Japanese (ja)
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JP2006107912A (en
JP4815777B2 (en
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Priority to JP2004292541A priority Critical patent/JP4815777B2/en
Priority claimed from JP2004292541A external-priority patent/JP4815777B2/en
Publication of JP2006107912A publication Critical patent/JP2006107912A/en
Publication of JP2006107912A5 publication Critical patent/JP2006107912A5/ja
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Publication of JP4815777B2 publication Critical patent/JP4815777B2/en
Expired - Fee Related legal-status Critical Current
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Claims (1)

正極、負極、および非水電解質を備えた非水電解質二次電池であって、前記負極が活物質層を集電体上に担持したものであり、前記活物質層が一般式ＳｉＯｘ（但し、０＜ｘ＜２）で表されるケイ素酸化物を含有し、前記活物質層全体に含まれるＳｉＯｘの平均組成をｘ＝ｘａｖとし、前記活物質層の集電体近傍におけるＳｉＯｘの組成をｘ＝ｘＢとした時、ｘＢ＞ｘａｖの関係を満たすことを特徴とする非水電解質二次電池。 A nonaqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the negative electrode carries an active material layer on a current collector, and the active material layer has a general formula SiOx (provided that 0 <x <2) is contained, the average composition of SiOx contained in the entire active material layer is x = xav, and the composition of SiOx in the vicinity of the current collector of the active material layer is x = when the x B, x B> x nonaqueous electrolyte secondary battery, characterized by satisfying the relation of av.
JP2004292541A 2004-10-05 2004-10-05 Nonaqueous electrolyte secondary battery Expired - Fee Related JP4815777B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004292541A JP4815777B2 (en) 2004-10-05 2004-10-05 Nonaqueous electrolyte secondary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004292541A JP4815777B2 (en) 2004-10-05 2004-10-05 Nonaqueous electrolyte secondary battery

Publications (3)

Publication Number Publication Date
JP2006107912A JP2006107912A (en) 2006-04-20
JP2006107912A5 true JP2006107912A5 (en) 2007-11-22
JP4815777B2 JP4815777B2 (en) 2011-11-16

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ID=36377374

Family Applications (1)

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JP2004292541A Expired - Fee Related JP4815777B2 (en) 2004-10-05 2004-10-05 Nonaqueous electrolyte secondary battery

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JP (1) JP4815777B2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4994634B2 (en) * 2004-11-11 2012-08-08 パナソニック株式会社 Negative electrode for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery using the same
JP4824394B2 (en) * 2004-12-16 2011-11-30 パナソニック株式会社 Negative electrode for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery using the same
DE602007010097D1 (en) * 2006-01-25 2010-12-09 Panasonic Corp NEGATIVE ELECTRODE FOR LITHIUM SUBSTITUTING BATTERY, METHOD FOR THE PRODUCTION THEREOF AND LITHIUM SUBSTITUTING BATTERY WITH SUCH NEGATIVE ELECTRODE FOR A LITHIUM SUBSTANCE BATTERY
EP1986253B1 (en) 2006-02-14 2011-09-07 Panasonic Corporation Electrode for nonaqueous electrolyte secondary battery, method for producing same , and nonaqueous electrolyte secondary battery comprising such electrode for nonaqueous secondary battery
JP5238195B2 (en) * 2006-07-24 2013-07-17 パナソニック株式会社 Negative electrode for lithium ion secondary battery and lithium ion secondary battery
KR100851969B1 (en) 2007-01-05 2008-08-12 삼성에스디아이 주식회사 Anode active material, method of preparing the same, anode and lithium battery containing the material
JP5056045B2 (en) * 2007-02-13 2012-10-24 パナソニック株式会社 Nonaqueous electrolyte secondary battery
KR101043157B1 (en) 2007-03-13 2011-06-20 파나소닉 주식회사 Negative electrode for lithium secondary battery and method for producing the same, and lithium secondary battery comprising negative electrode for lithium secondary battery
JP5095863B2 (en) * 2010-04-23 2012-12-12 パナソニック株式会社 Negative electrode for lithium ion battery, method for producing the same, and lithium ion battery
JP5621867B2 (en) * 2012-03-27 2014-11-12 Tdk株式会社 Lithium ion secondary battery
JP2015232921A (en) * 2012-09-27 2015-12-24 三洋電機株式会社 Negative electrode for lithium secondary battery, and lithium secondary battery
US10109856B2 (en) 2013-09-27 2018-10-23 Sanyo Electric Co., Ltd. Negative electrode for nonaqueous electrolyte secondary batteries

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001185127A (en) * 1999-12-24 2001-07-06 Fdk Corp Lithium secondary battery
JP3999175B2 (en) * 2003-04-28 2007-10-31 住友チタニウム株式会社 Negative electrode for lithium secondary battery, lithium secondary battery using the negative electrode, film forming material used for forming the negative electrode, and method for producing the negative electrode
JP4589047B2 (en) * 2003-08-28 2010-12-01 パナソニック株式会社 Negative electrode for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery
JP4526806B2 (en) * 2003-12-02 2010-08-18 パナソニック株式会社 Method for producing lithium ion secondary battery

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