US20030190527A1 - Batteries comprising alkali-transition metal phosphates and preferred electrolytes - Google Patents

Batteries comprising alkali-transition metal phosphates and preferred electrolytes Download PDF

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Publication number
US20030190527A1
US20030190527A1 US10/116,276 US11627602A US2003190527A1 US 20030190527 A1 US20030190527 A1 US 20030190527A1 US 11627602 A US11627602 A US 11627602A US 2003190527 A1 US2003190527 A1 US 2003190527A1
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US
United States
Prior art keywords
battery according
mixtures
group
carbonate
active material
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.)
Abandoned
Application number
US10/116,276
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English (en)
Inventor
James Pugh
Mohammed Saidi
Haitao Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valence Technology Inc
Original Assignee
Valence Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=28673938&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20030190527(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Valence Technology Inc filed Critical Valence Technology Inc
Priority to US10/116,276 priority Critical patent/US20030190527A1/en
Assigned to VALENCE TECHNOLOGY, INC. reassignment VALENCE TECHNOLOGY, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HUANG, HAITAO, PUGH, JAMES, SAIDI, MOHAMMED Y.
Priority to PCT/US2003/009634 priority patent/WO2003085757A1/en
Priority to KR1020047015673A priority patent/KR101107423B1/ko
Priority to EP03721492A priority patent/EP1490917A4/en
Priority to JP2003582838A priority patent/JP4758610B2/ja
Priority to AU2003224801A priority patent/AU2003224801A1/en
Priority to CN038100339A priority patent/CN1650450B/zh
Priority to CA2479790A priority patent/CA2479790C/en
Publication of US20030190527A1 publication Critical patent/US20030190527A1/en
Priority to US11/080,605 priority patent/US8318352B2/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566—Liquid materials
    • H01M10/0569—Liquid materials characterised by the solvents
    • 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
    • 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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566—Liquid materials
    • H01M10/0568—Liquid materials characterised by the solutes
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • 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
    • H01M4/581—Chalcogenides or intercalation compounds thereof
    • H01M4/5815—Sulfides
    • 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
    • H01M4/582—Halogenides
    • 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
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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

Definitions

  • the present invention provides batteries comprising certain electrode active materials and electrolytes.
  • battery refers to a device comprising one or more electrochemical cells for the production of electricity. Each electrochemical cell comprises an anode, a cathode, and an electrolyte. Two or more electrochemical cells may be combined, or “stacked,” so as to create a multi-cell battery having a voltage that is the sum of the voltages of the individual cells.
  • M4 is selected from the group consisting of Li, Na, and K. More preferably, M 4 is Li.
  • the metal salts or compounds include fluorides, chlorides, bromides, iodides, nitrates, nitrites, sulfates, hydrogen sulfates, sulfites, bisulfites, carbonates, bicarbonates, borates, phosphates, hydrogen ammonium phosphates, dihydrogen ammonium phosphates, silicates, antimonates, arsenates, germanates, oxides, hydroxides, acetates, oxalates, and the like. Hydrates may also be used.
  • the metal M in the starting material may have any oxidation state, depending on the oxidation state required in the desired product and the oxidizing or reducing conditions contemplated, as discussed below.
  • any anion may be combined with the alkali metal cation to provide the alkali metal source starting material, or with a metal M cation to provide a metal starting material.
  • any cation may be combined with the halide or hydroxide anion to provide the source of Z component starting material, and any cation may be used as counterion to the phosphate or similar XY 4 component. It is preferred, however, to select starting materials with counterions that give rise to the formation of volatile by-products during the solid state reaction. Thus, it is desirable to choose ammonium salts, carbonates, bicarbonates, oxides, hydroxides, and the like where possible.
  • Such polymers include polyolefins and aromatic polymers and copolymers, including polyethylenes, polypropylenes, polystyrenes, polybutadienes, and the like. Depending on the degree of unsaturation, the equivalent weight may be slightly above or below 14.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
US10/116,276 2002-04-03 2002-04-03 Batteries comprising alkali-transition metal phosphates and preferred electrolytes Abandoned US20030190527A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US10/116,276 US20030190527A1 (en) 2002-04-03 2002-04-03 Batteries comprising alkali-transition metal phosphates and preferred electrolytes
CA2479790A CA2479790C (en) 2002-04-03 2003-03-27 Batteries comprising alkali-transition metal phosphates and preferred electrolytes
CN038100339A CN1650450B (zh) 2002-04-03 2003-03-27 包含碱过渡金属磷酸盐和优选电解质的电池
EP03721492A EP1490917A4 (en) 2002-04-03 2003-03-27 BATTERIES COMPRISING ALKALI TRANSITION METAL PHOSPHATES AND PREFERRED ELECTROLYTES
KR1020047015673A KR101107423B1 (ko) 2002-04-03 2003-03-27 알칼리/전이금속 인산염 및 바람직한 전해질을 포함하는전지
PCT/US2003/009634 WO2003085757A1 (en) 2002-04-03 2003-03-27 Batteries comprising alkali-transition metal phosphates and preferred electrolytes
JP2003582838A JP4758610B2 (ja) 2002-04-03 2003-03-27 アルカリ−遷移金属リン酸塩と好ましい電解質を含むバッテリー
AU2003224801A AU2003224801A1 (en) 2002-04-03 2003-03-27 Batteries comprising alkali-transition metal phosphates and preferred electrolytes
US11/080,605 US8318352B2 (en) 2002-04-03 2005-03-15 Batteries comprising alkali-transition metal phosphates and preferred electrolytes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/116,276 US20030190527A1 (en) 2002-04-03 2002-04-03 Batteries comprising alkali-transition metal phosphates and preferred electrolytes

Related Child Applications (1)

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US11/080,605 Division US8318352B2 (en) 2002-04-03 2005-03-15 Batteries comprising alkali-transition metal phosphates and preferred electrolytes

Publications (1)

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US20030190527A1 true US20030190527A1 (en) 2003-10-09

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US10/116,276 Abandoned US20030190527A1 (en) 2002-04-03 2002-04-03 Batteries comprising alkali-transition metal phosphates and preferred electrolytes
US11/080,605 Expired - Fee Related US8318352B2 (en) 2002-04-03 2005-03-15 Batteries comprising alkali-transition metal phosphates and preferred electrolytes

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US11/080,605 Expired - Fee Related US8318352B2 (en) 2002-04-03 2005-03-15 Batteries comprising alkali-transition metal phosphates and preferred electrolytes

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US (2) US20030190527A1 (enExample)
EP (1) EP1490917A4 (enExample)
JP (1) JP4758610B2 (enExample)
KR (1) KR101107423B1 (enExample)
CN (1) CN1650450B (enExample)
AU (1) AU2003224801A1 (enExample)
CA (1) CA2479790C (enExample)
WO (1) WO2003085757A1 (enExample)

Cited By (39)

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US20040131939A1 (en) * 2002-12-19 2004-07-08 Adamson George W. Electrode active material and method of making the same
US20040265695A1 (en) * 2000-04-27 2004-12-30 Jeremy Barker Alkali/transition metal halo-and hydroxy-phosphates and related electrode active materials
WO2005041327A1 (ja) 2003-10-27 2005-05-06 Mitsui Engineering & Shipbuilding Co.,Ltd. 二次電池用正極材料、二次電池用正極材料の製造方法、および二次電池
US20050163699A1 (en) * 2004-01-23 2005-07-28 Jeremy Barker Fluorosulfate-based electrode active materials and method of making the same
US20050164084A1 (en) * 2004-01-22 2005-07-28 George Adamson Secondary battery electrode active materials and methods for making the same
US20060014078A1 (en) * 2000-04-27 2006-01-19 Jeffrey Swoyer Alkali/transition metal halo-and hydroxy-phosphates and related electrode active materials
US7041239B2 (en) 2003-04-03 2006-05-09 Valence Technology, Inc. Electrodes comprising mixed active particles
US20060177738A1 (en) * 2005-02-08 2006-08-10 Stephan Godevais Method and apparatus for dissipation of heat generated by a secondary electrochemical cell
US20070059598A1 (en) * 2005-09-09 2007-03-15 Aquire Energy Co., Ltd. Cathode material for manufacturing a rechargeable battery
US20070141468A1 (en) * 2003-04-03 2007-06-21 Jeremy Barker Electrodes Comprising Mixed Active Particles
US20070298317A1 (en) * 2006-05-09 2007-12-27 Ralph Brodd Secondary electrochemical cell with increased current collecting efficiency
WO2008033672A3 (en) * 2006-09-14 2008-10-02 Valence Technology Inc Novel electrode active material for a secondary electrochemical cell
US20080241043A1 (en) * 2000-04-27 2008-10-02 Jeremy Barker Method For Making Phosphate-Based Electrode Active Materials
CN100468833C (zh) * 2003-10-21 2009-03-11 威伦斯技术公司 磷酸锂电极活性材料前体的制造方法与产物
WO2009092098A2 (en) 2008-01-17 2009-07-23 A123 Systems, Inc. Mixed metal olivine electrode materials for lithium ion batteries
US20090195217A1 (en) * 2007-08-24 2009-08-06 Alexander Choi Providing power based on state of charge
US20100124703A1 (en) * 2008-11-18 2010-05-20 Koji Ohira Cathode active material, cathode, and nonaqueous secondary battery
US20100276632A1 (en) * 2000-04-27 2010-11-04 Jeremy Barker Alkali/Transition Metal Halo-And Hydroxy-Phosphates And Related Electrode Active Materials
US20100310936A1 (en) * 2008-01-28 2010-12-09 Koji Ohira Cathode active material, cathode and nonaqueous secondary battery
US20110064980A1 (en) * 2009-09-02 2011-03-17 Sharp Kabushiki Kaisha Cathodic active material , cathode, and nonaqueous secondary battery
WO2011038499A1 (en) * 2009-10-02 2011-04-07 Linda Faye Nazar Sodium metal phosphate olivines for sodium-ion batteries
EP2084765A4 (en) * 2006-11-15 2013-10-02 Valence Technology Inc SECONDARY ELECTROCHEMICAL CELL WITH HIGH SPEED CAPACITY
US8999576B2 (en) 2009-05-22 2015-04-07 Sharp Kabushiki Kaisha Cathode active material, cathode and nonaqueous secondary battery
US9005810B2 (en) 2010-07-01 2015-04-14 Sharp Kabushiki Kaisha Cathode active material, cathode and non-aqueous secondary battery
US9083046B2 (en) 2011-03-23 2015-07-14 Sharp Kabushiki Kaisha Cathode active material, cathode electrode and non-aqueous secondary battery
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EP2947713A1 (en) * 2014-05-20 2015-11-25 The United States of America as represented by the Secretary of the Army High voltage lithium ion positive electrode material
US9293234B2 (en) 2010-07-12 2016-03-22 Sharp Kabushiki Kaisha Positive electrode active material, positive electrode, and nonaqueous-electrolyte secondary battery
US9356291B2 (en) 2013-12-04 2016-05-31 The United States Of America, As Represented By The Secretary Of The Army High voltage lithium ion positive electrode material
US9373844B2 (en) 2010-07-01 2016-06-21 Sharp Kabushiki Kaisha Positive electrode active substance containing lithium-containing metal oxide
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US9859559B2 (en) 2012-07-11 2018-01-02 Samsung Electronics Co., Ltd. Lithium ion conductor, and solid electrolyte, active material, and lithium battery each including the lithium ion conductor
US10826145B2 (en) 2017-02-10 2020-11-03 General Electric Company Electrochemical cell for use in high temperature metal-air battery
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US11251430B2 (en) 2018-03-05 2022-02-15 The Research Foundation For The State University Of New York ϵ-VOPO4 cathode for lithium ion batteries
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US11532806B2 (en) 2014-04-01 2022-12-20 The Research Foundation For The State University Of New York Electrode materials that include an active composition of the formula MgzMxOy for group II cation-based batteries
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FR2864348B1 (fr) * 2003-12-18 2006-03-10 Commissariat Energie Atomique Accumulateur au lithium presentant a la fois un potentiel electrique et une capacite d'insertion du lthium eleves.
US7719227B2 (en) 2004-02-13 2010-05-18 Valence Technology, Inc. Electrical energy supply methods and electrical energy power supplies
JP5043290B2 (ja) * 2004-06-08 2012-10-10 パナソニック株式会社 非水電解質二次電池用正極活物質、その製造方法、およびそれを用いた非水電解質二次電池
JP4703985B2 (ja) * 2004-08-02 2011-06-15 住友大阪セメント株式会社 リチウム電池用正極活物質の製造方法
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US8158090B2 (en) 2005-08-08 2012-04-17 A123 Systems, Inc. Amorphous and partially amorphous nanoscale ion storage materials
KR100901535B1 (ko) * 2005-10-26 2009-06-08 주식회사 엘지화학 수명 특성이 향상된 이차전지
US7906238B2 (en) * 2005-12-23 2011-03-15 3M Innovative Properties Company Silicon-containing alloys useful as electrodes for lithium-ion batteries
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