JP2009187963A5 - - Google Patents

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JP2009187963A5
JP2009187963A5 JP2009126720A JP2009126720A JP2009187963A5 JP 2009187963 A5 JP2009187963 A5 JP 2009187963A5 JP 2009126720 A JP2009126720 A JP 2009126720A JP 2009126720 A JP2009126720 A JP 2009126720A JP 2009187963 A5 JP2009187963 A5 JP 2009187963A5
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composite particle
carbon
electrode
particles
electrode according
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JP2009126720A
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JP5131246B2 (en
JP2009187963A (en
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Claims (8)

ＬｉＶＯＰＯ４粒子と、炭素とを含み、前記炭素は、前記ＬｉＶＯＰＯ４粒子の表面の少なくとも一部に担持されて炭素被覆層を形成しており、
前記炭素がアセチレンブラック及び／又はケッチェンブラックからなるものである、電極用複合粒子。 LiVOPO 4 particles and carbon, and the carbon is supported on at least a part of the surface of the LiVOPO 4 particles to form a carbon coating layer ,
Composite particles for electrodes , wherein the carbon is composed of acetylene black and / or ketjen black . 前記電極用複合粒子の断面において、前記ＬｉＶＯＰＯ４粒子の外周の長さをＬ、前記ＬｉＶＯＰＯ４粒子の外周のうち前記炭素被覆層が形成されている部分の長さをＬ’として、（Ｌ’／Ｌ）で表される被覆率が０．２以上０．８５以下である、請求項１記載の電極用複合粒子。 In the cross section of the composite particle for electrodes, the length of the outer periphery of the LiVOPO 4 particles is L, and the length of the portion of the outer periphery of the LiVOPO 4 particles where the carbon coating layer is formed is L ′. 2. The composite particle for an electrode according to claim 1, wherein the coverage represented by / L) is 0.2 or more and 0.85 or less . 前記炭素がケッチェンブラックからなるものである、請求項１又は２記載の電極用複合粒子。The composite particle for an electrode according to claim 1 or 2, wherein the carbon is made of ketjen black. ＢＥＴ比表面積が１．５〜１５．０ｍ２／ｇである、請求項１〜３のいずれか一項に記載の電極用複合粒子。 The composite particle for an electrode according to any one of claims 1 to 3 , wherein the BET specific surface area is 1.5 to 15.0 m 2 / g. 前記炭素被覆層の厚さが１０〜５００ｎｍである、請求項１〜４のいずれか一項に記載の電極用複合粒子。 The composite particle for an electrode according to any one of claims 1 to 4 , wherein the carbon coating layer has a thickness of 10 to 500 nm. 前記電極用複合粒子全量を基準とした炭素含有量が１〜６質量％である、請求項１〜５のいずれか一項に記載の電極用複合粒子。 The composite particle for an electrode according to any one of claims 1 to 5 , wherein a carbon content based on the total amount of the composite particle for an electrode is 1 to 6% by mass. 請求項１〜６のいずれか一項に記載の電極用複合粒子を含む電極を備える、電気化学デバイス。 An electrochemical device comprising an electrode comprising the composite particle for an electrode according to any one of claims 1 to 6 . 前記電極が前記電極用複合粒子を含む活物質含有層を有し、該活物質含有層全量を基準とした炭素含有量が２〜１０質量％である、請求項７記載の電気化学デバイス。 The electrochemical device according to claim 7 , wherein the electrode has an active material-containing layer containing the composite particles for an electrode, and a carbon content based on the total amount of the active material-containing layer is 2 to 10% by mass.
JP2009126720A 2009-05-26 2009-05-26 Composite particles for electrodes and electrochemical devices Active JP5131246B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009126720A JP5131246B2 (en) 2009-05-26 2009-05-26 Composite particles for electrodes and electrochemical devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009126720A JP5131246B2 (en) 2009-05-26 2009-05-26 Composite particles for electrodes and electrochemical devices

Related Parent Applications (1)

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JP2007119257A Division JP4317239B2 (en) 2007-04-27 2007-04-27 Method for producing composite particles for electrodes

Publications (3)

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JP2009187963A JP2009187963A (en) 2009-08-20
JP2009187963A5 true JP2009187963A5 (en) 2009-11-26
JP5131246B2 JP5131246B2 (en) 2013-01-30

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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5444944B2 (en) * 2009-08-25 2014-03-19 Ｔｄｋ株式会社 Active material and method for producing active material
JP5375446B2 (en) * 2009-08-28 2013-12-25 Ｔｄｋ株式会社 Active material, electrode including the same, lithium secondary battery including the electrode, and method for producing active material
JP5310407B2 (en) * 2009-09-04 2013-10-09 Ｔｄｋ株式会社 Method for producing active material
DE102010006076A1 (en) * 2010-01-28 2011-08-18 Süd-Chemie AG, 80333 Electrode for a secondary lithium-ion battery
DE102010032206A1 (en) * 2010-07-26 2012-04-05 Süd-Chemie AG Gas phase coated lithium transition metal phosphate and process for its preparation
JP5612392B2 (en) * 2010-08-09 2014-10-22 日本化学工業株式会社 Method for producing lithium vanadium phosphate carbon composite
JP5740708B2 (en) * 2010-12-17 2015-06-24 エリーパワー株式会社 Non-aqueous electrolyte secondary battery positive electrode, non-aqueous electrolyte secondary battery, and battery module
JP2012133895A (en) * 2010-12-17 2012-07-12 Eliiy Power Co Ltd Nonaqueous electrolyte secondary battery and battery module
US9960416B2 (en) 2010-12-17 2018-05-01 Sumitomo Osaka Cement Co., Ltd. Positive electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery and battery module
JP6047871B2 (en) * 2011-10-20 2016-12-21 Tdk株式会社 Battery pack and power storage device using the same
JP6097198B2 (en) 2013-10-30 2017-03-15 住友大阪セメント株式会社 Electrode material, electrode and lithium ion battery
CN113328071B (en) * 2021-05-14 2023-04-18 昆明理工大学 Lithium vanadium phosphate/carbon battery positive electrode material and preparation method thereof

Family Cites Families (9)

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JP4956863B2 (en) * 2001-03-29 2012-06-20 パナソニック株式会社 Cathode active material for alkaline storage battery and alkaline storage battery using the same
JP2003203628A (en) * 2001-12-28 2003-07-18 Sanyo Electric Co Ltd Nonaqueous electrolyte battery and its manufacturing method
ATE479207T1 (en) * 2002-06-21 2010-09-15 Umicore Nv CARBON-COATED LI-CONTAINING POWDER AND PROCESS FOR THEIR PRODUCTION
JP4314859B2 (en) * 2003-03-31 2009-08-19 祐作 滝田 Non-aqueous electrolyte secondary battery electrode active material, non-aqueous electrolyte secondary battery electrode, and non-aqueous electrolyte secondary battery
JP2005015910A (en) * 2003-06-03 2005-01-20 Hosokawa Funtai Gijutsu Kenkyusho:Kk Method for manufacturing composite particle, and composite particle manufactured thereby
JP2005353330A (en) * 2004-06-09 2005-12-22 Japan Storage Battery Co Ltd Nonaqueous electrolyte electrochemical cell
JP4536561B2 (en) * 2005-03-18 2010-09-01 住友大阪セメント株式会社 Method for producing electrode material
JP4684727B2 (en) * 2005-04-20 2011-05-18 日本コークス工業株式会社 Positive electrode material for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery
EP1936721B1 (en) * 2005-09-21 2015-11-11 Kanto Denka Kogyo Co., Ltd. Positive electrode active material, method for producing same, and nonaqueous electrolyte battery having positive electrode containing positive electrode active material

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