JP5367719B2 - リチウムイオン電池用の電極活性材料を製造するためのプロセス - Google Patents
リチウムイオン電池用の電極活性材料を製造するためのプロセス Download PDFInfo
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- JP5367719B2 JP5367719B2 JP2010538061A JP2010538061A JP5367719B2 JP 5367719 B2 JP5367719 B2 JP 5367719B2 JP 2010538061 A JP2010538061 A JP 2010538061A JP 2010538061 A JP2010538061 A JP 2010538061A JP 5367719 B2 JP5367719 B2 JP 5367719B2
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- vanadium phosphate
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- 238000000034 method Methods 0.000 title claims abstract description 67
- 230000008569 process Effects 0.000 title claims description 24
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 21
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 21
- 239000007772 electrode material Substances 0.000 title description 4
- 239000002243 precursor Substances 0.000 claims abstract description 69
- 239000000203 mixture Substances 0.000 claims abstract description 51
- YWJVFBOUPMWANA-UHFFFAOYSA-H [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O YWJVFBOUPMWANA-UHFFFAOYSA-H 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 238000001354 calcination Methods 0.000 claims abstract description 14
- 238000001694 spray drying Methods 0.000 claims abstract description 12
- 238000003801 milling Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000011149 active material Substances 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- REKWWOFUJAJBCL-UHFFFAOYSA-L dilithium;hydrogen phosphate Chemical compound [Li+].[Li+].OP([O-])([O-])=O REKWWOFUJAJBCL-UHFFFAOYSA-L 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 27
- SNKMVYBWZDHJHE-UHFFFAOYSA-M lithium;dihydrogen phosphate Chemical compound [Li+].OP(O)([O-])=O SNKMVYBWZDHJHE-UHFFFAOYSA-M 0.000 abstract description 17
- 239000010406 cathode material Substances 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 description 18
- 239000000047 product Substances 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 14
- 239000012467 final product Substances 0.000 description 12
- 239000007858 starting material Substances 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000012535 impurity Substances 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 238000000498 ball milling Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910001465 mixed metal phosphate Inorganic materials 0.000 description 6
- 239000008188 pellet Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 229910000319 transition metal phosphate Inorganic materials 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000009830 intercalation Methods 0.000 description 4
- 230000002687 intercalation Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000008240 homogeneous mixture Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000010902 jet-milling Methods 0.000 description 3
- 229910001463 metal phosphate Inorganic materials 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011262 electrochemically active material Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- -1 lithium ions Chemical class 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920000447 polyanionic polymer Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910011570 LiFe 1-x Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000002228 NASICON Substances 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 150000004770 chalcogenides Chemical class 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
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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
- H01M4/58—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
- H01M4/5805—Phosphides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
- C01B25/372—Phosphates of heavy metals of titanium, vanadium, zirconium, niobium, hafnium or tantalum
-
- 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
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0433—Molding
-
- 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
- H01M4/58—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)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
およそ1メートルトンのリン酸バナジウムリチウムを下記の手順にしたがって調製した。複数バッチのLHP、V2O3及び炭素を水中で混合し、スプレー乾燥した。LHP(32.29kg、Suzhou社)から構成される単一バッチを脱イオン水(120kg)中に溶解させた。V2O3(15.44kg、Stratcor社)、及びSuper P(2.269kg、Timcal社)は、スラリーを形成するためにAttritorミキサー内でLHP溶液に加えた。スラリーは、均質な前駆体組成物を形成するために、スプレー乾燥(入口350℃/出口142℃)させた。前駆体組成物は、粉砕した前駆体組成物を形成するために、4時間にわたりボールミル粉砕した。結果として生じる粉砕した前駆体組成物は、3/16インチ径の顆粒を形成するために2,000psiのローラ圧で造粒した。顆粒状前駆体は次に、1%未満の含水量を備える前駆体組成物を形成するために約4時間にわたり260℃でトレイオーブン内で予備焼成した。結果として生じた低含水量を備える顆粒状前駆体組成物は、リン酸バナジウムリチウムを製造するために約1時間にわたり900℃で回転炉内で焼成した。
Claims (18)
- リチウムイオン電池の活物質用リン酸バナジウムリチウムを製造するための方法であって、
第1スラリーを製造するために水、リン酸水素リチウム、V2O3及び炭素源を混合する工程と;
前記第1スラリーを湿式混合する工程と;
前駆体組成物を形成するために前記湿式混合したスラリーをスプレー乾燥する工程と;
粉砕した前駆体組成物を得るために前記前駆体組成物を粉砕する工程と;
圧縮前駆体を得るために前記粉砕した前駆体を圧縮する工程と;
低含水量を備える前駆体組成物を得るために前記圧縮前駆体を予備焼成する工程と;
低含水量を備える前記前駆体組成物を650℃〜1,050℃の温度で1〜5時間焼成する工程と、を含む、方法。 - スプレー乾燥する工程後の粒径が100μm未満である、請求項1記載の方法。
- 前記粒径が50μm未満である、請求項2記載の方法。
- 30μm未満の粒径を得るために前記リン酸バナジウムリチウムをミル粉砕する工程をさらに含む、請求項1記載の方法。
- 前記リン酸バナジウムリチウムが20μm未満の最終粒径へミル粉砕される、請求項4記載の方法。
- 前記リン酸バナジウムリチウムをミル粉砕する工程が流動床ジェットミル内で実施される、請求項4記載の方法。
- 前記圧縮する工程がペレット化又は造粒によって実施される、請求項1記載の方法。
- 前記圧縮する工程は造粒であり、2,000psiで実施される、請求項7記載の方法。
- 前記造粒は、径が3/16インチ径の顆粒を生成する、請求項8記載の方法。
- 前記予備焼成する工程は、250℃〜400℃で実施される、請求項1記載の方法。
- 前記予備焼成する工程は、350℃で実施される、請求項10記載の方法。
- 低含水量を備える前記前駆体組成物は、1%未満の含水量を有する、請求項1記載の方法。
- 前記焼成する工程は、回転炉を使用して実施される、請求項1記載の方法。
- 前記焼成する工程は、900℃で実施される、請求項1記載の方法。
- 前記焼成する工程は、1時間にわたって実施される、請求項1記載の方法。
- 前記焼成する工程は、回転炉内で実施される、請求項15記載の方法。
- 請求項1に記載の方法によって調製されたリン酸バナジウムリチウムを含む電極。
- 請求項17に記載の電極を含む電池。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/953,953 US20090148377A1 (en) | 2007-12-11 | 2007-12-11 | Process For Producing Electrode Active Material For Lithium Ion Cell |
| US11/953,953 | 2007-12-11 | ||
| PCT/US2008/085486 WO2009076153A1 (en) | 2007-12-11 | 2008-12-04 | Process for producing electrode active material for lithium ion cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011506254A JP2011506254A (ja) | 2011-03-03 |
| JP5367719B2 true JP5367719B2 (ja) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010538061A Expired - Fee Related JP5367719B2 (ja) | 2007-12-11 | 2008-12-04 | リチウムイオン電池用の電極活性材料を製造するためのプロセス |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20090148377A1 (ja) |
| EP (1) | EP2220707A4 (ja) |
| JP (1) | JP5367719B2 (ja) |
| KR (1) | KR20100100865A (ja) |
| CN (1) | CN101889361A (ja) |
| CA (1) | CA2706484A1 (ja) |
| WO (1) | WO2009076153A1 (ja) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9099738B2 (en) * | 2008-11-03 | 2015-08-04 | Basvah Llc | Lithium secondary batteries with positive electrode compositions and their methods of manufacturing |
| US8372540B2 (en) * | 2009-04-16 | 2013-02-12 | Valence Technology, Inc. | Electrode active material for secondary electrochemical cell |
| US20120134908A1 (en) * | 2009-04-16 | 2012-05-31 | Titus Faulkner | Method of Making Active Materials For Use in Secondary Electrochemical Cells |
| US20100266474A1 (en) * | 2009-04-16 | 2010-10-21 | Titus Faulkner | Method of Making Active Materials for Use in Secondary Electrochemical Cells |
| JP5309264B2 (ja) * | 2010-09-27 | 2013-10-09 | 日本化学工業株式会社 | リン酸バナジウムリチウム炭素複合体の製造方法 |
| CN102074691B (zh) * | 2010-12-27 | 2012-11-14 | 浙江大学 | 锂离子电池层片状磷酸钒锂正极材料的制备方法 |
| KR101250496B1 (ko) * | 2011-02-18 | 2013-04-03 | 에스케이씨 주식회사 | 비수계 리튬이차전지용 양극재료 및 그의 제조 방법 |
| JP5255143B2 (ja) * | 2011-09-30 | 2013-08-07 | 富士重工業株式会社 | 正極材料、これを用いたリチウムイオン二次電池、及び正極材料の製造方法 |
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| JP2010503606A (ja) * | 2006-09-13 | 2010-02-04 | ヴァレンス テクノロジー インコーポレーテッド | 二次電気化学セルで用いる活性材料を処理する方法 |
| US20090035661A1 (en) * | 2007-08-01 | 2009-02-05 | Jeffrey Swoyer | Synthesis of cathode active materials |
| JP5396798B2 (ja) * | 2008-09-30 | 2014-01-22 | Tdk株式会社 | 活物質材料、それを用いた正極及びリチウムイオン二次電池 |
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| JP2011506254A (ja) | 2011-03-03 |
| KR20100100865A (ko) | 2010-09-15 |
| CA2706484A1 (en) | 2009-06-18 |
| CN101889361A (zh) | 2010-11-17 |
| EP2220707A4 (en) | 2013-06-19 |
| WO2009076153A1 (en) | 2009-06-18 |
| US20090148377A1 (en) | 2009-06-11 |
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