JP2014086279A5 - - Google Patents

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JP2014086279A5
JP2014086279A5 JP2012234509A JP2012234509A JP2014086279A5 JP 2014086279 A5 JP2014086279 A5 JP 2014086279A5 JP 2012234509 A JP2012234509 A JP 2012234509A JP 2012234509 A JP2012234509 A JP 2012234509A JP 2014086279 A5 JP2014086279 A5 JP 2014086279A5
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sodium ion
positive electrode
active material
electrode active
ion secondary
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JP2012234509A
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JP2014086279A (en
JP6083556B2 (en
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組成式：Na（Fe1-xMx）O2（式中、Mは、平均価数が２．５〜３．５の範囲にある一種又は二種以上の元素を示し、ｘ＝０である）で表され、六方晶層状岩塩型構造の結晶構造を有し、Cu-Kα線を用いたＸ線回折法により得られる回折角度2θ= 16.3°付近の（003）面の回折ピークにおける半値幅が0.13°以下であるナトリウムフェライト系複合酸化物からなる、ナトリウムイオン二次電池用正極活物質。 Composition formula: Na (Fe 1-x M x ) O 2 (wherein M represents one or more elements having an average valence of 2.5 to 3.5, and x = 0 ) The crystal structure of a hexagonal layered rock salt structure, and the half of the diffraction peak of the (003) plane near the diffraction angle 2θ = 16.3 ° obtained by X-ray diffraction using Cu-Kα rays A positive electrode active material for a sodium ion secondary battery, comprising a sodium ferrite composite oxide having a value range of 0.13 ° or less. ナトリウムフェライト系複合酸化物のタップ密度が1.2g/ml以上である、請求項１に記載のナトリウムイオン二次電池用正極活物質。 The positive electrode active material for sodium ion secondary batteries according to claim 1, wherein the tap density of the sodium ferrite composite oxide is 1.2 g / ml or more. 水溶性ナトリウム化合物、水溶性鉄化合物、及び必要に応じて元素Mを含む化合物を含有する水溶液を加熱して水熱合成反応を進行させる工程を含む、請求項１又は２に記載されたナトリウムイオン二次電池用正極活物質の製造方法。 The sodium ion of Claim 1 or 2 including the process of heating the aqueous solution containing the compound containing a water-soluble sodium compound, a water-soluble iron compound, and the element M as needed, and a hydrothermal synthesis reaction is advanced. A method for producing a positive electrode active material for a secondary battery. 水熱合成反応による生成物を更に焼成する工程を含む、請求項３に記載のナトリウムイオン二次電池用正極活物質の製造方法。 The manufacturing method of the positive electrode active material for sodium ion secondary batteries of Claim 3 including the process of further baking the product by a hydrothermal synthesis reaction. 請求項１又は２に記載のナトリウムイオン二次電池用正極活物質を構成要素として含むナトリウムイオン二次電池。 The sodium ion secondary battery which contains the positive electrode active material for sodium ion secondary batteries of Claim 1 or 2 as a component.
JP2012234509A 2012-10-24 2012-10-24 Cathode active material for sodium ion secondary battery Expired - Fee Related JP6083556B2 (en)

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JP2012234509A JP6083556B2 (en) 2012-10-24 2012-10-24 Cathode active material for sodium ion secondary battery

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JP2014086279A JP2014086279A (en) 2014-05-12
JP2014086279A5 true JP2014086279A5 (en) 2015-09-24
JP6083556B2 JP6083556B2 (en) 2017-02-22

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Publication number Priority date Publication date Assignee Title
JP6305189B2 (en) * 2014-04-24 2018-04-04 三菱電機株式会社 Electric vehicle charging / discharging device
CN105185998B (en) * 2015-08-11 2017-07-11 陕西科技大学 Chinese ilex derived carbon as anode material of lithium-ion battery preparation method
CN105720247B (en) * 2016-02-03 2018-01-05 齐鲁工业大学 A kind of preparation method of lithium sodium hybrid ionic battery composite anode material
JP7212318B2 (en) * 2017-04-27 2023-01-25 日本電気硝子株式会社 Positive electrode active material for sodium ion secondary battery
WO2018225740A1 (en) * 2017-06-08 2018-12-13 国立研究開発法人産業技術総合研究所 Positive electrode active material for sodium secondary batteries and method for producing same

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Publication number Priority date Publication date Assignee Title
JP2931961B2 (en) * 1996-08-27 1999-08-09 工業技術院長 Method for producing layered rock-salt type lithium ferrite by solvothermal ion exchange method
JP5031192B2 (en) * 2004-03-31 2012-09-19 準一 山木 Method for producing positive electrode active material for non-aqueous electrolyte sodium secondary battery
JP2010113950A (en) * 2008-11-06 2010-05-20 Sumitomo Chemical Co Ltd Method of manufacturing positive electrode material for non-aqueous electrolytic solution secondary battery

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