JP2005294011A5 - - Google Patents
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- Publication number
- JP2005294011A5 JP2005294011A5 JP2004106876A JP2004106876A JP2005294011A5 JP 2005294011 A5 JP2005294011 A5 JP 2005294011A5 JP 2004106876 A JP2004106876 A JP 2004106876A JP 2004106876 A JP2004106876 A JP 2004106876A JP 2005294011 A5 JP2005294011 A5 JP 2005294011A5
- Authority
- JP
- Japan
- Prior art keywords
- graphite particles
- secondary battery
- electrolyte secondary
- aqueous electrolyte
- coated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002245 particle Substances 0.000 claims 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 16
- 229910002804 graphite Inorganic materials 0.000 claims 16
- 239000010439 graphite Substances 0.000 claims 16
- 239000011255 nonaqueous electrolyte Substances 0.000 claims 11
- 229910003481 amorphous carbon Inorganic materials 0.000 claims 3
- 238000002441 X-ray diffraction Methods 0.000 claims 2
- 239000011149 active material Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
Claims (5)
前記黒鉛粒子は、その表面が非晶質炭素で被覆された被覆黒鉛粒子と、表面が非晶質炭素で被覆されていない
非被覆黒鉛粒子とが混合されてなるものであり、
前記黒鉛粒子のＬｃ値が１５ｎｍ以上であり、
前記黒鉛粒子のｄ 002 値が０．３３８ｎｍ以下であり、
前記黒鉛粒子の比表面積が２ｍ 2 ／ｇ以上５ｍ 2 ／ｇ以下であり、
前記黒鉛粒子の平均粒径が１５μｍ以上であり、
前記黒鉛粒子のＸ線回折法による００２面と１１０面とのピーク強度比Ｉ h002 ／Ｉ h110 が２００以下である、
ことを特徴とする非水電解質二次電池。 In a non-aqueous electrolyte secondary battery having a positive electrode, a negative electrode containing graphite particles as an active material, and a non-aqueous electrolyte,
The graphite particles are coated graphite particles whose surfaces are coated with amorphous carbon, and the surfaces are not coated with amorphous carbon.
All SANYO that the uncoated graphite particles, which are mixed,
Lc value of the graphite particles is 15 nm or more,
The d 002 value of the graphite particles is 0.338 nm or less,
The specific surface area of the graphite particles is 2 m 2 / g or more and 5 m 2 / g or less,
The average particle diameter of the graphite particles is 15 μm or more,
The peak intensity ratio I h002 / I h110 between the 002 plane and the 110 plane according to the X-ray diffraction method of the graphite particles is 200 or less.
A non-aqueous electrolyte secondary battery.
前記被覆黒鉛粒子と、前記非被覆黒鉛粒子との質量比が３：７〜７：３である、
ことを特徴とする非水電解質二次電池。 The nonaqueous electrolyte secondary battery according to claim 1,
The mass ratio of the coated graphite particles to the uncoated graphite particles is 3: 7 to 7: 3.
A non-aqueous electrolyte secondary battery.
前記被覆黒鉛粒子１００質量部中に占める非晶質炭素の質量が、０．１〜１０質量部である、
ことを特徴とする非水電解質二次電池。 The nonaqueous electrolyte secondary battery according to claim 1 or 2,
The mass of amorphous carbon in 100 parts by mass of the coated graphite particles is 0.1 to 10 parts by mass.
A non-aqueous electrolyte secondary battery.
前記被覆黒鉛粒子の核となる黒鉛粒子と、前記非被覆黒鉛粒子とが、同種の黒鉛粒子である、
ことを特徴とする非水電解質二次電池。 The nonaqueous electrolyte secondary battery according to claim 1, 2 or 3,
The graphite particles as the core of the coated graphite particles and the uncoated graphite particles are the same kind of graphite particles.
A non-aqueous electrolyte secondary battery.
放電状態の前記負極の活物質充填密度が１．４０ｇ／ｍｌ以上であり、かつ前記負極のＸ線回折法による００
２面と１１０面とのピーク強度比Ｉh002／Ｉh110が３００以下である、ことを特徴とする非水電解質二次電池。
The nonaqueous electrolyte secondary battery according to claim 1, 2, 3, or 4 ,
The active material filling density of the negative electrode in a discharged state is 1.40 g / ml or more, and 00 according to the X-ray diffraction method of the negative electrode.
A non-aqueous electrolyte secondary battery, wherein the peak intensity ratio I h002 / I h110 between the two surfaces and the 110 surface is 300 or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004106876A JP4748949B2 (en) | 2004-03-31 | 2004-03-31 | Nonaqueous electrolyte secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004106876A JP4748949B2 (en) | 2004-03-31 | 2004-03-31 | Nonaqueous electrolyte secondary battery |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005294011A JP2005294011A (en) | 2005-10-20 |
| JP2005294011A5 true JP2005294011A5 (en) | 2007-04-12 |
| JP4748949B2 JP4748949B2 (en) | 2011-08-17 |
Family
ID=35326719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004106876A Expired - Fee Related JP4748949B2 (en) | 2004-03-31 | 2004-03-31 | Nonaqueous electrolyte secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4748949B2 (en) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005008810A1 (en) * | 2003-07-22 | 2005-01-27 | Byd Company Limited | Improved graphite granules and their method of fabrication |
| JP5212682B2 (en) * | 2007-02-20 | 2013-06-19 | 東海カーボン株式会社 | Method for producing negative electrode material for lithium ion secondary battery |
| JP5049820B2 (en) | 2008-02-29 | 2012-10-17 | 日立ビークルエナジー株式会社 | Lithium ion secondary battery |
| JP5429168B2 (en) | 2008-07-17 | 2014-02-26 | 中央電気工業株式会社 | Mixed carbon material and negative electrode for non-aqueous secondary battery |
| EP2413403B1 (en) * | 2009-03-27 | 2018-03-07 | Mitsubishi Chemical Corporation | Negative electrode material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using same |
| EP2413404B1 (en) | 2009-03-27 | 2016-12-14 | Mitsubishi Chemical Corporation | Negative electrode material for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery using the same |
| JP5375953B2 (en) | 2009-03-30 | 2013-12-25 | 新日鐵住金株式会社 | Mixed carbon material and negative electrode for non-aqueous secondary battery |
| JP5286200B2 (en) * | 2009-09-01 | 2013-09-11 | 日立ビークルエナジー株式会社 | Lithium ion secondary battery |
| WO2012014259A1 (en) * | 2010-07-30 | 2012-02-02 | 日立ビークルエナジー株式会社 | Non-aqueous electrolyte secondary battery |
| KR101336079B1 (en) | 2011-05-23 | 2013-12-03 | 주식회사 엘지화학 | High energy density lithium secondary battery with improved energy density characteristics |
| JP6339008B2 (en) | 2011-05-23 | 2018-06-06 | エルジー ケム． エルティーディ． | High power lithium secondary battery with improved power density characteristics |
| EP2693537B1 (en) | 2011-05-23 | 2017-12-06 | LG Chem, Ltd. | High energy density lithium secondary battery having enhanced energy density characteristic |
| WO2012161479A2 (en) | 2011-05-23 | 2012-11-29 | 주식회사 엘지화학 | High output lithium secondary battery having enhanced output density characteristic |
| EP2685534B1 (en) | 2011-05-23 | 2016-04-06 | LG Chem, Ltd. | High-power lithium secondary battery having improved output density characteristics |
| WO2012161480A2 (en) * | 2011-05-23 | 2012-11-29 | 주식회사 엘지화학 | High output lithium secondary battery having enhanced output density characteristic |
| US9577245B2 (en) | 2011-06-30 | 2017-02-21 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary cell containing negative active material including scaly graphite particles and graphite particles coated with amorphous carbon particles and amorphous carbon layer and method of manufacturing the same |
| JP2014523095A (en) | 2011-07-13 | 2014-09-08 | エルジー・ケム・リミテッド | High energy lithium secondary battery with improved energy density characteristics |
| KR101630997B1 (en) | 2011-07-29 | 2016-06-15 | 도요타지도샤가부시키가이샤 | Lithium ion secondary battery and production method therefor |
| JP6201425B2 (en) * | 2013-05-23 | 2017-09-27 | 日立化成株式会社 | Negative electrode material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery |
| CN103560247B (en) * | 2013-11-08 | 2017-02-01 | 深圳市贝特瑞新能源材料股份有限公司 | Vehicle-mounted and energy-storage lithium ion battery cathode material and preparation method thereof |
| CN105765772A (en) * | 2013-11-27 | 2016-07-13 | 三菱化学株式会社 | Carbon material for negative electrode of nonaqueous secondary battery, negative electrode for nonaqueous secondary battery, and nonaqueous secondary battery |
| JP6542755B2 (en) | 2014-03-31 | 2019-07-10 | 株式会社エンビジョンＡｅｓｃエナジーデバイス | Graphite-based active material for lithium ion secondary battery, negative electrode for lithium ion secondary battery and lithium ion secondary battery |
| DE112015004498T5 (en) * | 2014-09-30 | 2017-06-29 | Gs Yuasa International Ltd. | NEGATIVE ELECTRODE FOR A NON-WATER ELECTROLYTE ENERGY STORAGE DEVICE, NON-OILED ELECTROLYTE ENERGY STORAGE DEVICE, ENERGY STORAGE DEVICE |
| CN106558725B (en) * | 2015-09-29 | 2020-05-12 | 丰田自动车株式会社 | Lithium-ion secondary battery |
| JP6903260B2 (en) | 2015-09-30 | 2021-07-14 | 株式会社エンビジョンＡｅｓｃジャパン | Negative electrode for lithium ion secondary battery and lithium ion secondary battery |
| CA3011539C (en) * | 2016-01-21 | 2021-07-27 | Imerys Graphite & Carbon Switzerland Ltd. | Carbonaceous materials and methods of use thereof |
| WO2017217407A1 (en) * | 2016-06-13 | 2017-12-21 | 日本電気株式会社 | Lithium ion secondary battery |
| CN119480907A (en) | 2017-06-09 | 2025-02-18 | 松下新能源株式会社 | Negative electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery |
| CN115336040B (en) * | 2020-07-07 | 2026-02-17 | 株式会社Lg新能源 | Negative electrode and secondary battery containing said negative electrode |
| TWI749650B (en) * | 2020-07-20 | 2021-12-11 | 中鋼碳素化學股份有限公司 | Electrode plate material of lithium-ion battery |
| WO2022080836A1 (en) * | 2020-10-12 | 2022-04-21 | 주식회사 엘지에너지솔루션 | Negative electrode for lithium ion secondary battery |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3712288B2 (en) * | 1996-02-02 | 2005-11-02 | 三菱化学株式会社 | Nonaqueous solvent secondary battery electrode material and method for producing the same |
| JP3340337B2 (en) * | 1997-01-30 | 2002-11-05 | シャープ株式会社 | Non-aqueous secondary battery and method for producing negative electrode active material |
| JP4184479B2 (en) * | 1997-05-30 | 2008-11-19 | 松下電器産業株式会社 | Nonaqueous electrolyte secondary battery and method for producing the negative electrode |
| JP3193342B2 (en) * | 1997-05-30 | 2001-07-30 | 松下電器産業株式会社 | Non-aqueous electrolyte secondary battery |
| JP3561628B2 (en) * | 1998-03-31 | 2004-09-02 | 三洋電機株式会社 | Non-aqueous electrolyte secondary battery |
| CN1276531C (en) * | 1998-05-21 | 2006-09-20 | 三星电管株式会社 | Negative active material for lithium secondary battery and lithium secondary battery using the same |
| JP3152226B2 (en) * | 1998-08-27 | 2001-04-03 | 日本電気株式会社 | Non-aqueous electrolyte secondary battery, method for producing the same, and carbon material composition |
| US6391495B1 (en) * | 1998-11-25 | 2002-05-21 | Samsung Display Devices Co., Ltd. | Negative active material for lithium secondary battery, method of preparing the same and lithium secondary battery comprising the same |
| JP3718072B2 (en) * | 1999-02-04 | 2005-11-16 | 関西熱化学株式会社 | Secondary battery electrode material and method for producing coated body using the same |
| JP2001185147A (en) * | 1999-12-27 | 2001-07-06 | Asahi Kasei Corp | Non-aqueous electrolyte secondary battery |
| JP2002289193A (en) * | 2001-03-27 | 2002-10-04 | Osaka Gas Co Ltd | Non-aqueous secondary battery |
| JP4232404B2 (en) * | 2002-07-16 | 2009-03-04 | 日立化成工業株式会社 | Negative electrode for lithium secondary battery and lithium secondary battery |
-
2004
- 2004-03-31 JP JP2004106876A patent/JP4748949B2/en not_active Expired - Fee Related
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