JP6068033B2 - ポリアニオン活物質及びその形成方法 - Google Patents
ポリアニオン活物質及びその形成方法 Download PDFInfo
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- JP6068033B2 JP6068033B2 JP2012165711A JP2012165711A JP6068033B2 JP 6068033 B2 JP6068033 B2 JP 6068033B2 JP 2012165711 A JP2012165711 A JP 2012165711A JP 2012165711 A JP2012165711 A JP 2012165711A JP 6068033 B2 JP6068033 B2 JP 6068033B2
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/22—Magnesium silicates
-
- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/58—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
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
Claims (8)
- 炭素源を用意する工程、
可動イオン源を用意する工程、
活性金属材料を用意する工程、
網状構造材料を用意する工程、
フラックス材料を用意する工程、
炭素源、可動イオン源、活性金属材料、フラックス材料、及び網状構造材料を混合する混合工程、
混合物を非酸化性雰囲気中で所定の温度に加熱して反応生成物を形成する工程、並びに
反応生成物を洗浄して炭素でコーティングされたポリアニオン活物質を形成する工程
を含み、可動イオン源が、MgO、Mg(OH) 2 、MgCl 2 、MgBr 2 、MgI 2 、Mg(NO 3 ) 2 、MgCO 3 、MgSO 4 、Mg 3 (PO 4 ) 2 、及びMg(COOCH 3 ) 2 からなる群より選択され、
活性金属材料が、MnO、MnCO 3 、MnSO 4 、MnCl 2 、MnBr 2 、MnI 2 、及びMn(COOCH 3 ) 2 からなる群より選択され、
網状構造材料がSiO 2 であり、
フラックス材料が、アルカリ金属及びアルカリ土類金属の塩化物、臭化物及びヨウ化物、並びにそれらの混合物からなる群より選択され、
炭素でコーティングされたポリアニオン活物質が炭素でコーティングされたマグネシウムマンガンシリケートである、ポリアニオン活物質の形成方法。 - 炭素源が、炭水化物、芳香族炭化水素、炭素、水素及び酸素を含む有機化合物、又はグラファイトである、請求項1に記載の方法。
- 炭素でコーティングされたポリアニオン活物質が15nm〜50μmの平均直径を有する結晶の形態である、請求項1に記載の方法。
- 混合工程が材料を均一な微細混合物に砕くことを含む、請求項1に記載の方法。
- 炭素でコーティングされたポリアニオン活物質がその場で形成される、請求項1に記載の方法。
- 混合物がフラックス材料の溶融温度よりも高い温度に加熱される、請求項1に記載の方法。
- フラックス材料がKClであり、可動イオン源がMgOであり、活性金属材料がMnCO3 であり、炭素源がグルコースである、請求項1に記載の方法。
- 炭素でコーティングされたマグネシウムマンガンシリケートが式Mg 1.03 Mn 0.97 SiO 4 /Cを有する、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/191,028 US20130029227A1 (en) | 2011-07-26 | 2011-07-26 | Polyanion active materials and method of forming the same |
US13/191,028 | 2011-07-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013030484A JP2013030484A (ja) | 2013-02-07 |
JP2013030484A5 JP2013030484A5 (ja) | 2015-07-30 |
JP6068033B2 true JP6068033B2 (ja) | 2017-01-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012165711A Active JP6068033B2 (ja) | 2011-07-26 | 2012-07-26 | ポリアニオン活物質及びその形成方法 |
Country Status (2)
Country | Link |
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US (2) | US20130029227A1 (ja) |
JP (1) | JP6068033B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5819782B2 (ja) * | 2012-06-01 | 2015-11-24 | 日本電信電話株式会社 | リチウム二次電池用正極材料の製造方法 |
EP3201977B1 (en) * | 2014-10-02 | 2022-03-23 | Toyota Motor Europe | Calcium-based secondary cell and battery comprising the same |
CN108242539B (zh) * | 2017-12-29 | 2020-04-10 | 中南大学 | 一种锰铬二元金属氧化物储能材料的制备方法及其应用 |
CN110526247A (zh) * | 2019-08-26 | 2019-12-03 | 浙江工业大学 | 一种硫化硅粉体的机械球磨合成方法 |
CN114644328B (zh) * | 2022-04-01 | 2023-10-20 | 星恒电源股份有限公司 | 磷酸锰铁锂的制备方法,正极材料及锂离子电池 |
CN117542997B (zh) * | 2024-01-04 | 2024-04-16 | 河南师范大学 | 一种碳包覆碱式硫酸铁钾离子电池正极材料的制备方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6174623B1 (en) | 1994-03-08 | 2001-01-16 | Valence Technology, Inc. | Conductive-polymer-coated electrode particles |
GB0029958D0 (en) | 2000-12-08 | 2001-01-24 | Secr Defence | Synthesis of lithium transition metal sulphides |
CA2490091C (en) | 2002-06-21 | 2012-10-30 | Umicore | Carbon-coated li-containing powders and process for production thereof |
US7338647B2 (en) | 2004-05-20 | 2008-03-04 | Valence Technology, Inc. | Synthesis of cathode active materials |
CA2506104A1 (en) | 2005-05-06 | 2006-11-06 | Michel Gauthier | Surface modified redox compounds and composite electrode obtain from them |
CN101283465B (zh) * | 2005-09-21 | 2010-10-27 | 关东电化工业株式会社 | 正极活性材料和其生产方法以及具有含正极活性材料的正极的非水电解质电池 |
US20070160752A1 (en) | 2006-01-09 | 2007-07-12 | Conocophillips Company | Process of making carbon-coated lithium metal phosphate powders |
CN101573812B (zh) * | 2006-12-28 | 2012-08-08 | 株式会社杰士汤浅国际 | 非水电解质二次电池用正极材料、具备该正极材料的非水电解质二次电池及其制造方法 |
US20080303004A1 (en) | 2007-06-08 | 2008-12-11 | Conocophillips Company | Method for producing lithium transition metal polyanion powders for batteries |
US20090155689A1 (en) | 2007-12-14 | 2009-06-18 | Karim Zaghib | Lithium iron phosphate cathode materials with enhanced energy density and power performance |
JP2009146773A (ja) * | 2007-12-14 | 2009-07-02 | Agc Seimi Chemical Co Ltd | オリビン型リチウム鉄リン複合酸化物およびその製造方法 |
US8022009B2 (en) | 2009-01-16 | 2011-09-20 | Intematix Corporation | Process for synthesizing LixFeMZO4/ carbon and LixMZO4/ carbon composite materials |
JP5298286B2 (ja) | 2009-02-04 | 2013-09-25 | 独立行政法人産業技術総合研究所 | リチウムシリケート系化合物の製造方法 |
NZ598311A (en) * | 2009-08-14 | 2013-11-29 | Univ Michigan | DIRECT THERMAL SPRAY SYNTHESIS OF Li ION BATTERY COMPONENTS |
EP2494634A1 (en) * | 2009-10-29 | 2012-09-05 | Uchicago Argonne, LLC, Operator Of Argonne National Laboratory | Autogenic pressure reactions for battery materials manufacture |
WO2011139574A2 (en) * | 2010-05-05 | 2011-11-10 | Applied Materials, Inc. | Hydrothermal synthesis of active materials and in situ spraying deposition for lithium ion battery |
JP2012048865A (ja) * | 2010-08-24 | 2012-03-08 | Asahi Glass Co Ltd | リチウムイオン二次電池用正極活物質の製造方法、リチウムイオン二次電池用正極活物質及びリチウムイオン二次電池 |
-
2011
- 2011-07-26 US US13/191,028 patent/US20130029227A1/en not_active Abandoned
-
2012
- 2012-07-26 JP JP2012165711A patent/JP6068033B2/ja active Active
-
2019
- 2019-03-18 US US16/356,786 patent/US11066307B2/en active Active
Also Published As
Publication number | Publication date |
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JP2013030484A (ja) | 2013-02-07 |
US11066307B2 (en) | 2021-07-20 |
US20190210884A1 (en) | 2019-07-11 |
US20130029227A1 (en) | 2013-01-31 |
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