TWI315297B - Cathode material for li-ion battery applications - Google Patents
Cathode material for li-ion battery applicationsInfo
- Publication number
- TWI315297B TWI315297B TW096107989A TW96107989A TWI315297B TW I315297 B TWI315297 B TW I315297B TW 096107989 A TW096107989 A TW 096107989A TW 96107989 A TW96107989 A TW 96107989A TW I315297 B TWI315297 B TW I315297B
- Authority
- TW
- Taiwan
- Prior art keywords
- ion battery
- cathode material
- battery applications
- applications
- cathode
- Prior art date
Links
Classifications
-
- 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
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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
- H01M4/04—Processes of manufacture in general
-
- 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
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of 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
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M2004/028—Positive 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/371,259 US7494744B2 (en) | 2006-03-08 | 2006-03-08 | Cathode material for Li-ion battery applications |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200740690A TW200740690A (en) | 2007-11-01 |
TWI315297B true TWI315297B (en) | 2009-10-01 |
Family
ID=38475411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096107989A TWI315297B (en) | 2006-03-08 | 2007-03-08 | Cathode material for li-ion battery applications |
Country Status (11)
Country | Link |
---|---|
US (4) | US7494744B2 (zh) |
EP (1) | EP1992027B1 (zh) |
JP (1) | JP5164858B2 (zh) |
KR (1) | KR20080077412A (zh) |
CN (1) | CN101401230B (zh) |
CA (1) | CA2636380C (zh) |
ES (1) | ES2688773T3 (zh) |
HK (1) | HK1127165A1 (zh) |
RU (1) | RU2382442C1 (zh) |
TW (1) | TWI315297B (zh) |
WO (1) | WO2007103179A2 (zh) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8158071B2 (en) * | 2006-04-29 | 2012-04-17 | Chun-Chieh Chang | Method and devices for producing air sensitive electrode materials for lithium ion battery applications |
DE102006051735A1 (de) * | 2006-10-30 | 2008-05-08 | Merck Patent Gmbh | Druckfähiges Medium zur Ätzung von oxidischen, transparenten, leitfähigen Schichten |
JP5231535B2 (ja) * | 2007-05-28 | 2013-07-10 | ビーワイディー カンパニー リミテッド | リチウムイオン二次電池用の正極活物質としてのリチウムリン酸鉄の調製方法 |
EP2142473B1 (en) * | 2007-07-31 | 2014-04-02 | Byd Company Limited | Method for preparing lithium iron phosphate as positive electrode active material for lithium ion secondary battery |
CN101399343B (zh) * | 2007-09-25 | 2011-06-15 | 比亚迪股份有限公司 | 锂离子二次电池正极活性物质磷酸铁锂的制备方法 |
CN101420048A (zh) * | 2007-10-26 | 2009-04-29 | 比亚迪股份有限公司 | 一种锂离子二次电池的制备方法 |
RU2451755C2 (ru) * | 2007-11-14 | 2012-05-27 | Цун-Юй ЧАНГ | Способ и устройство для производства чувствительных к воздушной среде электродных материалов для применения в батареях литий-ионных аккумуляторов |
CN101855371A (zh) * | 2007-11-14 | 2010-10-06 | 张惇杰 | 制备用于锂离子电池应用的空气敏感性电极材料的方法和装置 |
CN101453019B (zh) * | 2007-12-07 | 2011-01-26 | 比亚迪股份有限公司 | 含磷酸亚铁锂的正极活性物质及其制备方法和正极及电池 |
CN101471432B (zh) * | 2007-12-27 | 2012-11-21 | 比亚迪股份有限公司 | 一种隔膜及其制备方法及锂离子电池 |
CN101494305B (zh) * | 2008-01-25 | 2011-05-18 | 比亚迪股份有限公司 | 锂离子电池电解液和含有该电解液的电池及电池组 |
US8088305B2 (en) * | 2008-02-22 | 2012-01-03 | Byd Company Limited | Lithium iron phosphate cathode material |
US8062559B2 (en) * | 2008-02-29 | 2011-11-22 | Byd Company Limited | Composite compound with mixed crystalline structure |
US20090220858A1 (en) * | 2008-02-29 | 2009-09-03 | Byd Company Limited | Composite Compound With Mixed Crystalline Structure |
US8062560B2 (en) * | 2008-02-29 | 2011-11-22 | Byd Company Limited | Composite compound with mixed crystalline structure |
US8052897B2 (en) * | 2008-02-29 | 2011-11-08 | Byd Company Limited | Composite compound with mixed crystalline structure |
US8057711B2 (en) * | 2008-02-29 | 2011-11-15 | Byd Company Limited | Composite compound with mixed crystalline structure |
US8148015B2 (en) * | 2008-03-21 | 2012-04-03 | Byd Company Limited | Cathode materials for lithium batteries |
CN101597089A (zh) * | 2008-06-06 | 2009-12-09 | 比亚迪股份有限公司 | 一种过渡金属氢氧化物及其氧化物和正极材料的制备方法 |
CN101640288B (zh) * | 2008-07-30 | 2012-03-07 | 比亚迪股份有限公司 | 一种锂离子电池电解液及含有该电解液的锂离子电池 |
JP5590571B2 (ja) * | 2008-10-22 | 2014-09-17 | エルジー・ケム・リミテッド | 電極の効率及びエネルギー密度が改良されたカソード混合物 |
EP2339675B1 (en) * | 2008-10-22 | 2013-10-02 | Lg Chem, Ltd. | Positive electrode active material with enhanced electrode efficiency and energy density characteristics |
RU2467434C1 (ru) * | 2008-10-22 | 2012-11-20 | ЭлДжи КЕМ, ЛТД. | Активный катодный материал, обеспечивающий улучшенную эффективность и плотность энергии электрода |
KR100939647B1 (ko) * | 2009-01-22 | 2010-02-03 | 한화석유화학 주식회사 | 전극 활물질인 음이온 부족형 비화학양론 리튬 전이금속 다중산 화합물, 그 제조 방법 및 그를 이용한 전기화학 소자 |
US8388867B2 (en) * | 2009-08-14 | 2013-03-05 | The United States Of America, As Represented By The Secretary Of The Navy | Cation deficient materials for electrical energy storage |
US8530095B2 (en) | 2009-09-09 | 2013-09-10 | Samsung Sdi Co., Ltd. | Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same |
CA2801280C (en) | 2010-06-02 | 2015-02-10 | Sharp Kabushiki Kaisha | Method for producing lithium-containing composite oxide |
JP5440460B2 (ja) * | 2010-09-10 | 2014-03-12 | 株式会社村田製作所 | 二次電池用電極活物質の製造方法、二次電池用電極活物質、二次電池、および、二次電池用電極活物質の前駆体 |
JP5698951B2 (ja) | 2010-10-19 | 2015-04-08 | シャープ株式会社 | 正極活物質及びその製造方法、正極ならびに非水電解質二次電池 |
JP5625880B2 (ja) * | 2010-12-20 | 2014-11-19 | 日産自動車株式会社 | 正極電極スラリーの製造方法、および正極電極スラリーの製造装置 |
WO2012088509A1 (en) | 2010-12-23 | 2012-06-28 | Wildcat Discovery Technologies, Inc. | Lithium-ion battery materials with improved properties |
RU2453950C1 (ru) * | 2011-03-28 | 2012-06-20 | Открытое акционерное общество "Завод автономных источников тока" | Катодный активный материал на основе литированного фосфата железа с модифицирующей добавкой марганца |
JP5478549B2 (ja) * | 2011-04-18 | 2014-04-23 | シャープ株式会社 | 正極活物質の製造方法 |
WO2012147837A1 (ja) * | 2011-04-28 | 2012-11-01 | 昭和電工株式会社 | リチウム二次電池用正極活物質の製造方法、リチウム二次電池用正極活物質及びリチウム二次電池 |
RU2457585C1 (ru) * | 2011-05-05 | 2012-07-27 | Государственное образовательное учреждение высшего профессионального образования Саратовский государственный технический университет (ГОУ ВПО СГТУ) | Катодный материал для литиевого источника тока |
JP5970978B2 (ja) * | 2011-07-04 | 2016-08-17 | 日産自動車株式会社 | 電気デバイス用正極活物質、電気デバイス用正極及び電気デバイス |
US20130084384A1 (en) * | 2011-10-04 | 2013-04-04 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method of secondary particles and manufacturing method of electrode of power storage device |
US9059466B2 (en) | 2012-03-22 | 2015-06-16 | Chun-Chieh Chang | Direct synthesis of lithium ion battery electrode materials using graphene treated raw materials as the reactant |
US9090476B2 (en) | 2012-03-22 | 2015-07-28 | Chun-Chieh Chang | Direct deposition of graphene on substrate material |
CN103094568A (zh) * | 2013-01-29 | 2013-05-08 | 河北师范大学 | 一种磷酸铁锂材料的制备方法 |
US10076737B2 (en) | 2013-05-06 | 2018-09-18 | Liang-Yuh Chen | Method for preparing a material of a battery cell |
TWI658000B (zh) * | 2013-05-08 | 2019-05-01 | 長園科技實業股份有限公司 | 鋰鎳錳鈷磷之氧化物之合成及特徵 |
KR102062705B1 (ko) * | 2013-06-14 | 2020-01-06 | 삼성에스디아이 주식회사 | 리튬 금속인산화물의 제조방법 |
JP6556234B2 (ja) | 2014-07-24 | 2019-08-07 | チャンズ アセンディング エンタープライズ カンパニー リミテッド | ポリマーバインダーを含まない電極の製造方法及びシステム |
KR101979347B1 (ko) * | 2016-10-26 | 2019-05-16 | 주식회사 엘지화학 | 이차전지용 전극의 제조 방법 |
US10727543B2 (en) | 2018-01-08 | 2020-07-28 | Changs Ascending Enterprise Co., Ltd. | Battery module system and method |
US10641835B2 (en) | 2018-03-15 | 2020-05-05 | Ascending Energy Inc. | Health monitoring and safety protection for lithium ion battery modules and applications |
US11649190B2 (en) * | 2018-05-30 | 2023-05-16 | Hydro-Quebec | Ceramics, methods for the production thereof and uses of same |
CN109888205A (zh) * | 2019-01-18 | 2019-06-14 | 北方奥钛纳米技术有限公司 | 纳微球形碳包覆磷酸锰铁锂复合材料及制备方法、锂电池正极材料、锂电池 |
US11121354B2 (en) | 2019-06-28 | 2021-09-14 | eJoule, Inc. | System with power jet modules and method thereof |
US11376559B2 (en) | 2019-06-28 | 2022-07-05 | eJoule, Inc. | Processing system and method for producing a particulate material |
US11673112B2 (en) | 2020-06-28 | 2023-06-13 | eJoule, Inc. | System and process with assisted gas flow inside a reaction chamber |
US11392406B1 (en) | 2019-10-22 | 2022-07-19 | Amazon Technologies, Inc. | Alternative interrupt reporting channels for microcontroller access devices |
US11546336B1 (en) | 2019-10-22 | 2023-01-03 | Amazon Technologies, Inc. | Independently configurable access device stages for processing interconnect access requests |
DE102019135049A1 (de) * | 2019-12-19 | 2021-06-24 | Bayerische Motoren Werke Aktiengesellschaft | Lithiumionen-Batterie und Verfahren zur Herstellung einer Lithiumionen-Batterie |
US11552948B1 (en) | 2020-03-26 | 2023-01-10 | Amazon Technologies, Inc. | Domain management intermediary service |
RU2747565C1 (ru) * | 2020-05-21 | 2021-05-07 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук | Способ получения композиционного катодного материала на основе Na3V2(PO4)2F3 для натрий-ионных аккумуляторов |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5910382A (en) * | 1996-04-23 | 1999-06-08 | Board Of Regents, University Of Texas Systems | Cathode materials for secondary (rechargeable) lithium batteries |
US6514640B1 (en) * | 1996-04-23 | 2003-02-04 | Board Of Regents, The University Of Texas System | Cathode materials for secondary (rechargeable) lithium batteries |
US6017654A (en) * | 1997-08-04 | 2000-01-25 | Carnegie Mellon University | Cathode materials for lithium-ion secondary cells |
US6528033B1 (en) * | 2000-01-18 | 2003-03-04 | Valence Technology, Inc. | Method of making lithium-containing materials |
TW525313B (en) * | 2000-04-25 | 2003-03-21 | Sony Corp | Positive electrode active material and non-aqueous electrolyte cell |
JP4595205B2 (ja) * | 2001-01-22 | 2010-12-08 | 株式会社デンソー | 非水電解質二次電池 |
US6727017B1 (en) * | 2001-04-06 | 2004-04-27 | Changs Ascending Enterprise Co., Ltd. | Methods of fabricating binding layers for a Li-ion polymer battery |
JP4153288B2 (ja) * | 2002-11-25 | 2008-09-24 | 日本電信電話株式会社 | 非水電解質二次電池 |
CN100448071C (zh) * | 2003-03-18 | 2008-12-31 | 黄穗阳 | 锂电池正极材料及其制备方法 |
JP4610925B2 (ja) * | 2004-05-11 | 2011-01-12 | 日本電信電話株式会社 | 非水電解質二次電池 |
CN1585168A (zh) * | 2004-05-21 | 2005-02-23 | 河南金龙精密铜管股份有限公司 | 锂离子电池用改性磷酸亚铁理正极材料及其生产方法 |
EP1972018A4 (en) * | 2005-12-02 | 2010-12-15 | A123 Systems Inc | AMORPHOUS AND PARTIALLY AMORPHOUS IONIC ACCUMULATION NANOMATERIALS |
-
2006
- 2006-03-08 US US11/371,259 patent/US7494744B2/en active Active
-
2007
- 2007-03-02 CA CA2636380A patent/CA2636380C/en active Active
- 2007-03-02 RU RU2008127740/09A patent/RU2382442C1/ru active IP Right Revival
- 2007-03-02 JP JP2008550472A patent/JP5164858B2/ja active Active
- 2007-03-02 EP EP07752079.9A patent/EP1992027B1/en active Active
- 2007-03-02 KR KR1020087017784A patent/KR20080077412A/ko active Search and Examination
- 2007-03-02 WO PCT/US2007/005354 patent/WO2007103179A2/en active Application Filing
- 2007-03-02 CN CN2007800028467A patent/CN101401230B/zh active Active
- 2007-03-02 ES ES07752079.9T patent/ES2688773T3/es active Active
- 2007-03-08 TW TW096107989A patent/TWI315297B/zh active
-
2009
- 2009-01-13 US US12/319,832 patent/US7629084B2/en active Active
- 2009-01-13 US US12/319,895 patent/US7718320B2/en active Active
- 2009-01-13 US US12/319,892 patent/US7585593B2/en active Active
- 2009-07-15 HK HK09106430.6A patent/HK1127165A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES2688773T3 (es) | 2018-11-06 |
JP2009523309A (ja) | 2009-06-18 |
US7718320B2 (en) | 2010-05-18 |
CN101401230A (zh) | 2009-04-01 |
JP5164858B2 (ja) | 2013-03-21 |
US20090145536A1 (en) | 2009-06-11 |
RU2382442C1 (ru) | 2010-02-20 |
TW200740690A (en) | 2007-11-01 |
WO2007103179A2 (en) | 2007-09-13 |
EP1992027B1 (en) | 2018-07-18 |
EP1992027A4 (en) | 2013-01-23 |
US7585593B2 (en) | 2009-09-08 |
KR20080077412A (ko) | 2008-08-22 |
US20090146103A1 (en) | 2009-06-11 |
US7494744B2 (en) | 2009-02-24 |
US7629084B2 (en) | 2009-12-08 |
EP1992027A2 (en) | 2008-11-19 |
US20070212606A1 (en) | 2007-09-13 |
WO2007103179A3 (en) | 2008-08-21 |
CA2636380A1 (en) | 2007-09-13 |
HK1127165A1 (en) | 2009-09-18 |
US20090146102A1 (en) | 2009-06-11 |
CN101401230B (zh) | 2011-09-07 |
CA2636380C (en) | 2013-11-26 |
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