JP7358551B2 - 二次電池用正極材料の製造方法 - Google Patents
二次電池用正極材料の製造方法 Download PDFInfo
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- JP7358551B2 JP7358551B2 JP2022072785A JP2022072785A JP7358551B2 JP 7358551 B2 JP7358551 B2 JP 7358551B2 JP 2022072785 A JP2022072785 A JP 2022072785A JP 2022072785 A JP2022072785 A JP 2022072785A JP 7358551 B2 JP7358551 B2 JP 7358551B2
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- conductive carbon
- positive electrode
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- lithium metal
- metal phosphate
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- 239000007774 positive electrode material Substances 0.000 title claims description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 95
- 229910052799 carbon Inorganic materials 0.000 claims description 93
- 239000002131 composite material Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 37
- 229910019142 PO4 Inorganic materials 0.000 claims description 31
- 229910052744 lithium Inorganic materials 0.000 claims description 31
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 31
- 239000010452 phosphate Substances 0.000 claims description 31
- 239000000853 adhesive Substances 0.000 claims description 30
- 230000001070 adhesive effect Effects 0.000 claims description 30
- 239000011163 secondary particle Substances 0.000 claims description 22
- 239000011164 primary particle Substances 0.000 claims description 20
- 238000010297 mechanical methods and process Methods 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000002776 aggregation Effects 0.000 claims description 5
- 238000007500 overflow downdraw method Methods 0.000 claims description 5
- 238000005054 agglomeration Methods 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910001305 LiMPO4 Inorganic materials 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Chemical group 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical group [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 description 21
- 238000007599 discharging Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 229910001386 lithium phosphate Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 238000011068 loading method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910013275 LiMPO Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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
- H01M4/13—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
- 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
- H01M4/13—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
-
- 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
-
- 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
- H01M10/04—Construction or 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
-
- 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
-
- 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
-
- 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
-
- 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)
- 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)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
2:正極板
10:二次粒子
100:一次粒子
200:粒子間空隙
B:接着剤
C1:第1導電性炭素
C2:第2導電性炭素
S:基板
S1、S2、S3、S4:工程
Claims (6)
- 二次電池用正極材料の製造方法であって、
リン酸金属リチウム材料及び第1導電性炭素を提供し、前記リン酸金属リチウム材料は複数の二次粒子で構成され、各前記複数の二次粒子は複数の一次粒子の凝集によって形成され、かつ前記複数の一次粒子の間に粒子間空隙が形成され、前記複数の一次粒子の粒子径は50nmから500nmの範囲であり、前記複数の二次粒子の粒子径は2μmから100μmの範囲であり、前記第1導電性炭素の粒子径は10nmから200nmの範囲である、工程(a)と、
前記リン酸金属リチウム材料及び前記第1導電性炭素を機械的方法で混合し、複合材料を形成し、前記複合材料において、前記第1導電性炭素が前記粒子間空隙に均一に充填され、前記機械的方法は機械的融合法(Mechanofusion method)である、工程(b)と、
第2導電性炭素、接着剤及び溶媒を提供する、工程(c)と、
前記複合材料、前記第2導電性炭素、前記接着剤及び前記溶媒を混合して、正極板を構成するための前記正極材料を形成し、前記リン酸金属リチウム材料、前記第1導電性炭素と前記第2導電性炭素の合計、及び前記接着剤の重量比は、8:1:1である、工程(d)と、
を含むことを特徴とする、二次電池用正極材料の製造方法。 - 前記リン酸金属リチウム材料の組成は、LiMPO4を含み、ここで、Mは、鉄、ニッケル、コバルト、マンガン、マグネシウム、チタン、アルミニウム、スズ、クロム、バナジウム、モリブデン及びこれらの組み合わせから選択されることを特徴とする、請求項1に記載の二次電池用正極材料の製造方法。
- 前記機械的方法の動作温度は25℃から35℃の範囲であることを特徴とする、請求項1に記載の二次電池用正極材料の製造方法。
- 前記機械的方法の回転数は100rpmから2000rpmの範囲であることを特徴とする、請求項1に記載の二次電池用正極材料の製造方法。
- 前記複合材料に占める前記第1導電性炭素の重量パーセントは0.5%から10%であることを特徴とする、請求項1に記載の二次電池用正極材料の製造方法。
- 前記工程(d)は、基板上に前記正極材料を塗布し、乾燥して前記正極板を形成する工程(d1)をさらに含むことを特徴とする、請求項1に記載の二次電池用正極材料の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110130344 | 2021-08-17 | ||
TW110130344A TWI762404B (zh) | 2021-08-17 | 2021-08-17 | 二次電池正極材料的製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2023027744A JP2023027744A (ja) | 2023-03-02 |
JP7358551B2 true JP7358551B2 (ja) | 2023-10-10 |
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JP2022072785A Active JP7358551B2 (ja) | 2021-08-17 | 2022-04-26 | 二次電池用正極材料の製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US11837713B2 (ja) |
EP (1) | EP4138155A1 (ja) |
JP (1) | JP7358551B2 (ja) |
KR (1) | KR20230026240A (ja) |
CN (1) | CN115911360A (ja) |
AU (1) | AU2022202807B2 (ja) |
CA (1) | CA3157295A1 (ja) |
TW (1) | TWI762404B (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015153535A (ja) | 2014-02-12 | 2015-08-24 | トヨタ自動車株式会社 | 非水電解質二次電池およびその製造方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008181850A (ja) * | 2006-10-19 | 2008-08-07 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
US20100112449A1 (en) | 2007-03-29 | 2010-05-06 | Hideaki Fujita | Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery |
WO2009127901A1 (en) | 2008-04-14 | 2009-10-22 | High Power Lithium S.A. | Lithium metal phosphate/carbon nanocomposites as cathode active materials for secondary lithium batteries |
WO2010015969A2 (en) | 2008-08-05 | 2010-02-11 | Dow Global Technologies Inc. | Lithium metal phosphate/carbon nanocomposites as cathode active materials for rechargeable lithium batteries |
US8372540B2 (en) | 2009-04-16 | 2013-02-12 | Valence Technology, Inc. | Electrode active material for secondary electrochemical cell |
WO2011013652A1 (ja) * | 2009-07-31 | 2011-02-03 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質並びに非水電解質二次電池 |
TWI441947B (zh) * | 2012-07-20 | 2014-06-21 | Academia Sinica | 電化學石墨烯及包含其之電極複合材料與鋰電池 |
EP2778126A1 (en) | 2013-03-15 | 2014-09-17 | Clariant International Ltd. | Lithium transition metal phosphate secondary agglomerates and process for its manufacture |
TWI621298B (zh) * | 2016-04-01 | 2018-04-11 | 創奕能源科技股份有限公司 | 高功率鋰電池正極材料之製備方法及鋰電池 |
JP2018160383A (ja) | 2017-03-23 | 2018-10-11 | 住友大阪セメント株式会社 | リチウムイオン二次電池用正極材料およびその製造方法、リチウムイオン二次電池用正極、リチウムイオン二次電池 |
US11037738B2 (en) * | 2018-02-13 | 2021-06-15 | Nanotek Instruments Group, Llc | Hybrid supercapacitor containing a niobium composite metal oxide as an anode active material |
CN109326779A (zh) * | 2018-09-14 | 2019-02-12 | 桑顿新能源科技有限公司 | 一种高倍率锂离子电池浆料的制备方法 |
KR102277492B1 (ko) * | 2018-11-20 | 2021-07-14 | 주식회사 엘지화학 | 이차 전지 전극용 바인더 조성물 및 전극 합제 |
CN112823437A (zh) * | 2018-11-22 | 2021-05-18 | 国立大学法人信州大学 | 锂离子二次电池用正极、锂离子二次电池和锂离子二次电池用正极的制造方法 |
CN111261925A (zh) * | 2020-01-16 | 2020-06-09 | 东莞市沃泰通新能源有限公司 | 磷酸铁锂动力电池 |
JP6841362B1 (ja) | 2020-03-17 | 2021-03-10 | 住友大阪セメント株式会社 | リチウムイオン二次電池用正極材料、リチウムイオン二次電池用正極及びリチウムイオン二次電池 |
CN112838192B (zh) * | 2021-01-27 | 2022-11-11 | 湖北亿纬动力有限公司 | 一种锂离子电池正极浆料及其制备方法和锂离子电池 |
CN113113583A (zh) * | 2021-03-24 | 2021-07-13 | 沈阳国科金能科技有限公司 | 一种纳米化碳包覆复合磷酸铁锂低温正极材料的制备方法 |
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2021
- 2021-08-17 TW TW110130344A patent/TWI762404B/zh active
- 2021-08-26 US US17/412,259 patent/US11837713B2/en active Active
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2022
- 2022-04-25 KR KR1020220050830A patent/KR20230026240A/ko unknown
- 2022-04-26 CA CA3157295A patent/CA3157295A1/en active Pending
- 2022-04-26 JP JP2022072785A patent/JP7358551B2/ja active Active
- 2022-04-27 CN CN202210455479.2A patent/CN115911360A/zh active Pending
- 2022-04-27 EP EP22170296.2A patent/EP4138155A1/en active Pending
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