LU101837B1 - Method for Modifying High-nickel Positive Electrode Material - Google Patents
Method for Modifying High-nickel Positive Electrode Material Download PDFInfo
- Publication number
- LU101837B1 LU101837B1 LU101837A LU101837A LU101837B1 LU 101837 B1 LU101837 B1 LU 101837B1 LU 101837 A LU101837 A LU 101837A LU 101837 A LU101837 A LU 101837A LU 101837 B1 LU101837 B1 LU 101837B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- niobium
- carboxylic acid
- acid derivative
- nickel
- laminated material
- Prior art date
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 15
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 31
- 239000010955 niobium Substances 0.000 claims abstract description 31
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 19
- XNHGKSMNCCTMFO-UHFFFAOYSA-D niobium(5+);oxalate Chemical compound [Nb+5].[Nb+5].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O XNHGKSMNCCTMFO-UHFFFAOYSA-D 0.000 claims description 28
- 239000002648 laminated material Substances 0.000 claims description 20
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 239000012298 atmosphere Substances 0.000 claims description 13
- XFHGGMBZPXFEOU-UHFFFAOYSA-I azanium;niobium(5+);oxalate Chemical compound [NH4+].[Nb+5].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O XFHGGMBZPXFEOU-UHFFFAOYSA-I 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- 239000011149 active material Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910001868 water Inorganic materials 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 239000008139 complexing agent Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- IBXOPEGTOZQGQO-UHFFFAOYSA-N [Li].[Nb] Chemical compound [Li].[Nb] IBXOPEGTOZQGQO-UHFFFAOYSA-N 0.000 claims description 3
- -1 carboxylic acid niobium salt Chemical class 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 150000001734 carboxylic acid salts Chemical class 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 229910013716 LiNi Inorganic materials 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 28
- 230000001351 cycling effect Effects 0.000 abstract description 9
- 229910052744 lithium Inorganic materials 0.000 description 18
- 239000000047 product Substances 0.000 description 18
- 239000002002 slurry Substances 0.000 description 15
- 239000012467 final product Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000005486 organic electrolyte Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 101100004392 Arabidopsis thaliana BHLH147 gene Proteins 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 235000012093 Myrtus ugni Nutrition 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 244000061461 Tema Species 0.000 description 1
- 241000949477 Toona ciliata Species 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
-
- 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)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Claims (9)
1. Fin Verfahren zur Herstellung eines positiven Elektrodenmaterials mit hohem Nickelgehalt, einschließlich der folgenden Schritte: (1) Mischen eines laminierten Materials mit hohem Nickelgehalt mit einem Dispergiermittel und intensives Rühren, um eine Suspension des laminierten Materials mit hohem Nickelgehalt herzustellen; (2) Auflôsen eines Carbonsäurederivats von Niob in entionisiertem Wasser, um eine wässrige Lôsung des Carbonsäurederivats von Niob herzustellen; (3) Mischen der Suspension des laminierten Materials mit hohem Nickelgehalt mit der wissrigen Lôsung des Carbonsäurederivats von Niob und Hinzufügen eines Komplexbildners, wobei das Massenverhältnis zwischen dem laminierten Material mit hohem Nickelgehalt und dem Carbonsäurederivat von Niob 20 -100 beträgt; wobei ein Verhältnis der Substanzmenge zwischen dem Komplexbildner und dem Carbonsäurederivat von Niob 1-5 beträgt; (4) Erhitzen und kräftiges Rühren der in Schritt (3) erhaltenen Mischung bei 90-150°C, bis das Lösungsmittel vollständig verfliichtigt ist, um ein festes Pulver eines laminierten Materials mit hohem Nickelgehalt, das mit einem Carbonsäure-Lithium-Niob-Precursor beschichteten ist, zu erhalten; (5) Durchführen einer Wärmebehandlung für das feste Pulver des laminierten Materials mit hohem Nickelgehalt, das mit dem Carbonsäure-Lithium-Niob-Precursor beschichteten ist, in einer oxidierenden Atmosphäre, um ein oberflächenmodifiziertes laminiertes Material mit hohem Nickelgehalt zu erhalten; und (6) Zerkleinern und Sieben des oberflichenmodifizierten Materials, um das positive Elektrodenmaterial mit hohem Nickelgehalt zu erhalten.
2. Verfahren nach Anspruch 1, wobei die Molekülformel des laminierten Materials mit hohem Nickelgehalt in Schritt 1) LiNi 1x M x ist, wobei M eines von Co, Mn und wobei Al ist und x 0,01 bis 0,4, wobei vorzugsweise ist x 0,1-0,3.
3. Verfahren nach Anspruch 1, wobei das Dispergiermittel eines oder mehrere von Wasser, Ethanol, Ethylenglykol, Propylenglykol, Propanol und Butanol ist; Der Komplexbildner ist eine oder mehrere von Zitronensäure, Weinsäure, EDTA und Ammoniakwasser.
1 EE, TEE
SUNPT20057LU 05.06.2020 lu101837
4. Verfahren nach Anspruch 1, wobei das Carbonsäurederivat von Niob ein Carbonsäuresalz von Niob mit einer kleinen Kohlenstoffatomzahl ist, vorzugsweise ein einbasiges oder zweibasisches Carbonsäure-Niob-Salz mit 1-5 Kohlenstoffatomen und bevorzugter Nioboxalat oder Ammoniumniobiumoxalat.
5. Verfahren nach Anspruch 1, wobei das Mischverfahren eines der folgenden sein kann: direktes Mischen der Suspension des aktiven Materials und des Carbonsäurederivats von Niob , langsames Hinzufügen der Suspension des aktiven Materials zu der Lôsung des Carbonsäurederivats von Niob mittels einer Dosierpumpe und langsame Zugabe der Lösung des Carbonsäurederivats von Niob zu der Suspension des aktiven Materials mittels einer Dosierpumpe.
6. Verfahren nach Anspruch 1, wobei in Schritt (1) ein Massenverhältnis des laminierten Materials mit hohem Nickelgehaltzum Dispergiermittel 0,01 bis 0,5, vorzugsweise 0,1 bis 0,3 beträgt.
7. Verfahren nach Anspruch 1, wobei in Schritt (2) ein Massenverhältnis des Carbonsäurederivats von Niob zu dem entionisierten Wasser 0,01 bis 0,3, vorzugsweise 0,05 bis 0,2 beträgt.
8. Verfahren nach Anspruch 1, wobei Schritt (4) bei 0,01-0,1 MPa durchgeführt wird , vorzugsweise 0,05 bis 0,1 MPa.
9. Verfahren nach Anspruch 1, wobei in Schritt (5) die oxidierende Atmosphäre eine Sauerstoff- oder Luftatmosphäre ist, die Wärmebehandlungstemperatur 450 bis 900°C beträgt und die Wärmebehandlungszeit 1 bis 12 Stunden beträgt; Die bevorzugte Wärmebehandlungstemperatur beträgt 500-800 ° C und die Behandlungszeit 4-8 Stunden.
Positives Elektrodenmaterial mit hohem Nickelgehalt, hergestellt nach dem Verfahren nach einem der Ansprüche 1 bis 9.
2
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490578.2A CN110247035B (zh) | 2019-06-06 | 2019-06-06 | 一种高镍正极材料改性方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| LU101837A1 LU101837A1 (en) | 2020-12-07 |
| LU101837B1 true LU101837B1 (en) | 2021-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU101837A LU101837B1 (en) | 2019-06-06 | 2020-06-05 | Method for Modifying High-nickel Positive Electrode Material |
Country Status (2)
| Country | Link |
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| CN (1) | CN110247035B (de) |
| LU (1) | LU101837B1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115884943B (zh) * | 2020-09-11 | 2025-03-25 | 三井金属矿业株式会社 | 活性物质及其制造方法、电极合剂、以及电池 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244231A (zh) | 2010-05-14 | 2011-11-16 | 中国科学院物理研究所 | 对正极活性材料和/或正极进行表面包覆的方法以及正极和电池的制备方法 |
| WO2012118117A1 (ja) | 2011-03-02 | 2012-09-07 | 三井金属鉱業株式会社 | スピネル型リチウムマンガン系複合酸化物 |
| JP5928445B2 (ja) * | 2011-03-07 | 2016-06-01 | 旭硝子株式会社 | リチウムイオン二次電池用の正極活物質およびその製造方法 |
| CN103247797B (zh) * | 2013-05-20 | 2015-10-28 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池正极材料及其制备方法 |
| JP6302385B2 (ja) * | 2013-11-08 | 2018-03-28 | 株式会社東芝 | 非水電解質二次電池用負極活物質の製造方法 |
| KR102451981B1 (ko) * | 2017-05-08 | 2022-10-06 | 현대자동차주식회사 | 확산 방지 코팅층을 포함하는 전고체 전지용 양극소재 및 이의 제조방법 |
| CN107768634A (zh) * | 2017-10-17 | 2018-03-06 | 贵州理工学院 | 一种离子掺杂和表面包覆共同修饰锂离子电池正极材料及其制备方法 |
| CN108899539A (zh) * | 2018-06-28 | 2018-11-27 | 上海电力学院 | 一种高镍三元锂离子正极材料及其制备方法 |
| CN109244446B (zh) * | 2018-08-04 | 2021-08-20 | 浙江金鹰瓦力新能源科技有限公司 | 一种改性镍钴锰三元正极材料及其制备方法 |
-
2019
- 2019-06-06 CN CN201910490578.2A patent/CN110247035B/zh not_active Expired - Fee Related
-
2020
- 2020-06-05 LU LU101837A patent/LU101837B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN110247035A (zh) | 2019-09-17 |
| CN110247035B (zh) | 2021-06-04 |
| LU101837A1 (en) | 2020-12-07 |
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