JP2015153697A - 正極活物質 - Google Patents
正極活物質 Download PDFInfo
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- JP2015153697A JP2015153697A JP2014028701A JP2014028701A JP2015153697A JP 2015153697 A JP2015153697 A JP 2015153697A JP 2014028701 A JP2014028701 A JP 2014028701A JP 2014028701 A JP2014028701 A JP 2014028701A JP 2015153697 A JP2015153697 A JP 2015153697A
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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- C01G49/009—Compounds containing, besides iron, two or more other elements, with the exception of oxygen or hydrogen
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- C01G51/00—Compounds of cobalt
- C01G51/006—Compounds containing, besides cobalt, two or more other elements, with the exception of oxygen or hydrogen
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- C01G53/00—Compounds of nickel
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- C01B7/19—Fluorine; Hydrogen fluoride
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- C01P2002/02—Amorphous compounds
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- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/388—Halogens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
本実施例では、まず、塩化鉄6水和物を超純水に溶解し、鉄イオン濃度0.1モル/リットルの第1の溶液を調製した。次に、NaOHを超純水に溶解し、Naイオン濃度0.1モル/リットルの第2の溶液を調製した。
本実施例では、前記第1の溶液と前記第2の溶液との反応生成物の洗浄を超純水に代えてメタノールで行った以外は実施例1と全く同一にして、Fe(1−x)NaxF(3−2x)の粉末を得た。
本実施例では、前記第1の溶液と前記第2の溶液との反応生成物の洗浄回数を1回とした以外は実施例2と全く同一にして、Fe(1−x)NaxF(3−2x)の粉末を得た。
本実施例では、前記第1の溶液と前記第2の溶液との反応生成物の洗浄を超純水に代えてエタノールで行った以外は実施例1と全く同一にして、Fe(1−x)NaxF(3−2x)の粉末を得た。
本実施例では、前記第1の溶液と前記第2の溶液との反応生成物の洗浄回数を1回とした以外は実施例4と全く同一にして、Fe(1−x)NaxF(3−2x)の粉末を得た。
本実施例では、前記第1の溶液と前記第2の溶液との反応生成物の洗浄を超純水に代えてエタノールで行い、洗浄後の減圧濾過により得られた濾液を蒸発乾固させることにより固体析出物を得た。
本実施例では、塩化鉄6水和物と塩化銅6水和物とを超純水に溶解し、鉄イオン濃度0.1モル/リットル、鉄イオンに対し5原子%の銅イオンを含む第1の溶液を調製した以外は実施例1と全く同一にして、Fe(1−x−2y)NaxCuyF(3−2(x+2y))の粉末を得た。
本実施例では、塩化銅6水和物に代えて塩化コバルト6水和物を用いた以外は実施例7と全く同一にして、Fe(1−x−2y)NaxCoyF(3−2(x+2y))の粉末を得た。
本実施例では、塩化銅6水和物に代えて塩化マグネシウム6水和物を用いた以外は実施例7と全く同一にして、Fe(1−x−y)NaxMgyF(3−2(x+y))の粉末を得た。
本実施例では、塩化銅6水和物に代えて塩化アルミニウム6水和物を用いた以外は実施例1と全く同一にして、Fe(1−x−3y)NaxAlyF(3−2(x+3y))の粉末を得た。
本実施例では、塩化銅6水和物に代えて塩化ニッケル6水和物を用いた以外は実施例7と全く同一にして、Fe(1−x−2y)NaxNiyF(3−2(x+2y))の粉末を得た。
本実施例では、塩化銅6水和物に代えて塩化亜鉛水和物を用いた以外は実施例7と全く同一にして、Fe(1−x−2y)NaxZnyF(3−2(x+2y))の粉末を得た。
本実施例では、塩化銅6水和物に代えて塩化スズ2水和物を用いた以外は実施例7と全く同一にして、Fe(1−x−2y)NaxSnyF(3−2(x+2y))の粉末を得た。
本比較例では、まず、FeF3粉末(シグマアルドリッチ社製)のX線回折(XRD)パターンを測定した。結果を図1に示す。
Claims (3)
- 非水電解質を備える二次電池に用いられる正極活物質であって、
一般式Fe(1−x−ny)NaxMyF(3−2(x+ny))(Mは、Co、Ni、Cu、Mg、Al、Zn、Snからなる群から選択される1種の金属元素であり、nは金属元素Mの酸化数であり、0<x≦0.4、0≦y≦0.1)で表される非晶質金属フッ化物からなることを特徴とする正極活物質。 - 請求項1記載の正極活物質において、一般式Fe(1−x)NaxF(3−2x)(0<x≦0.05)で表される非晶質金属フッ化物からなることを特徴とする正極活物質。
- 請求項1記載の正極活物質において、MはCo、Cu、Snからなる群から選択される1種の金属元素であることを特徴とする正極活物質。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014028701A JP6081393B2 (ja) | 2014-02-18 | 2014-02-18 | 正極活物質 |
US14/621,698 US9466835B2 (en) | 2014-02-18 | 2015-02-13 | Cathode active material |
Applications Claiming Priority (1)
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JP2014028701A JP6081393B2 (ja) | 2014-02-18 | 2014-02-18 | 正極活物質 |
Publications (2)
Publication Number | Publication Date |
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JP2015153697A true JP2015153697A (ja) | 2015-08-24 |
JP6081393B2 JP6081393B2 (ja) | 2017-02-15 |
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Application Number | Title | Priority Date | Filing Date |
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JP2014028701A Expired - Fee Related JP6081393B2 (ja) | 2014-02-18 | 2014-02-18 | 正極活物質 |
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US (1) | US9466835B2 (ja) |
JP (1) | JP6081393B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019004288A1 (ja) * | 2017-06-30 | 2019-01-03 | 国立大学法人九州大学 | 非水系二次電池用の正極活物質、およびそれを用いた非水系二次電池 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108336309B (zh) * | 2017-01-20 | 2020-07-14 | 中国科学院上海硅酸盐研究所 | 一种钙钛矿型开框架铁基氟化物正极材料及其制备方法和应用 |
WO2020240890A1 (ja) * | 2019-05-30 | 2020-12-03 | パナソニックIpマネジメント株式会社 | フッ化物イオン二次電池用活物質、及びそれを用いたフッ化物イオン二次電池 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008243646A (ja) * | 2007-03-28 | 2008-10-09 | Kyushu Univ | フッ化物正極作製法 |
JP2009238687A (ja) * | 2008-03-28 | 2009-10-15 | Kyushu Univ | フッ化物電極活物質 |
JP2010251283A (ja) * | 2008-07-30 | 2010-11-04 | Sumitomo Chemical Co Ltd | ナトリウム二次電池 |
JP2013533577A (ja) * | 2010-05-25 | 2013-08-22 | ペリオン テクノロジーズ インク. | マグネシウム電池用の電極材料 |
JP2015118845A (ja) * | 2013-12-19 | 2015-06-25 | 住友電気工業株式会社 | 溶融塩電池、充放電方法および充放電システム |
JP2015195179A (ja) * | 2014-03-19 | 2015-11-05 | 本田技研工業株式会社 | 非水電解質二次電池用正極材料 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008130265A (ja) | 2006-11-17 | 2008-06-05 | Kyushu Univ | 表面コートフッ化金属電極活物質 |
JP5877772B2 (ja) * | 2012-08-23 | 2016-03-08 | 本田技研工業株式会社 | 正極活物質 |
US9159994B2 (en) * | 2013-03-15 | 2015-10-13 | Wildcat Discovery Technologies, Inc. | High energy materials for a battery and methods for making and use |
-
2014
- 2014-02-18 JP JP2014028701A patent/JP6081393B2/ja not_active Expired - Fee Related
-
2015
- 2015-02-13 US US14/621,698 patent/US9466835B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008243646A (ja) * | 2007-03-28 | 2008-10-09 | Kyushu Univ | フッ化物正極作製法 |
JP2009238687A (ja) * | 2008-03-28 | 2009-10-15 | Kyushu Univ | フッ化物電極活物質 |
JP2010251283A (ja) * | 2008-07-30 | 2010-11-04 | Sumitomo Chemical Co Ltd | ナトリウム二次電池 |
JP2013533577A (ja) * | 2010-05-25 | 2013-08-22 | ペリオン テクノロジーズ インク. | マグネシウム電池用の電極材料 |
JP2015118845A (ja) * | 2013-12-19 | 2015-06-25 | 住友電気工業株式会社 | 溶融塩電池、充放電方法および充放電システム |
JP2015195179A (ja) * | 2014-03-19 | 2015-11-05 | 本田技研工業株式会社 | 非水電解質二次電池用正極材料 |
Non-Patent Citations (1)
Title |
---|
SOLID STATE IONICS, vol. 218, no. 22, JPN6016050310, 2012, pages 35 - 40, ISSN: 0003472593 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019004288A1 (ja) * | 2017-06-30 | 2019-01-03 | 国立大学法人九州大学 | 非水系二次電池用の正極活物質、およびそれを用いた非水系二次電池 |
CN110832682A (zh) * | 2017-06-30 | 2020-02-21 | 株式会社村田制作所 | 非水性二次电池用的正极活性物质及使用其的非水性二次电池 |
JPWO2019004288A1 (ja) * | 2017-06-30 | 2020-04-23 | 株式会社村田製作所 | 非水系二次電池用の正極活物質、およびそれを用いた非水系二次電池 |
JP7047841B2 (ja) | 2017-06-30 | 2022-04-05 | 株式会社村田製作所 | 非水系二次電池用の正極活物質、およびそれを用いた非水系二次電池 |
US11355752B2 (en) | 2017-06-30 | 2022-06-07 | Murata Manufacturing Co., Ltd. | Positive electrode active substance for non-aqueous secondary battery and non-aqueous secondary battery including the same |
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Publication number | Publication date |
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JP6081393B2 (ja) | 2017-02-15 |
US9466835B2 (en) | 2016-10-11 |
US20150236348A1 (en) | 2015-08-20 |
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