CN102024947B - 磷酸铁锂/Li-Al-O复合正极材料及其制备方法 - Google Patents
磷酸铁锂/Li-Al-O复合正极材料及其制备方法 Download PDFInfo
- Publication number
- CN102024947B CN102024947B CN201010536316A CN201010536316A CN102024947B CN 102024947 B CN102024947 B CN 102024947B CN 201010536316 A CN201010536316 A CN 201010536316A CN 201010536316 A CN201010536316 A CN 201010536316A CN 102024947 B CN102024947 B CN 102024947B
- Authority
- CN
- China
- Prior art keywords
- lifepo4
- raw material
- lithium
- positive pole
- composite positive
- 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.)
- Active
Links
- 229910052493 LiFePO4 Inorganic materials 0.000 title claims abstract description 140
- 239000002131 composite material Substances 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 79
- 229910018516 Al—O Inorganic materials 0.000 title claims abstract description 49
- 239000007774 positive electrode material Substances 0.000 title abstract 5
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims description 146
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 117
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 78
- 229910010093 LiAlO Inorganic materials 0.000 claims description 73
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 claims description 69
- 230000014759 maintenance of location Effects 0.000 claims description 68
- 238000010438 heat treatment Methods 0.000 claims description 61
- 229910052744 lithium Inorganic materials 0.000 claims description 61
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 60
- 229910019142 PO4 Inorganic materials 0.000 claims description 47
- 229910052742 iron Inorganic materials 0.000 claims description 47
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 47
- 239000010452 phosphate Substances 0.000 claims description 47
- 239000000203 mixture Substances 0.000 claims description 44
- 238000004090 dissolution Methods 0.000 claims description 41
- 239000008139 complexing agent Substances 0.000 claims description 38
- 238000005303 weighing Methods 0.000 claims description 37
- 239000012298 atmosphere Substances 0.000 claims description 29
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 28
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 27
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 27
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 26
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 25
- 230000032683 aging Effects 0.000 claims description 21
- 230000029087 digestion Effects 0.000 claims description 20
- 238000010304 firing Methods 0.000 claims description 19
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 18
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 17
- 229940062993 ferrous oxalate Drugs 0.000 claims description 17
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 claims description 17
- 239000008188 pellet Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000002121 nanofiber Substances 0.000 claims description 11
- 239000002071 nanotube Substances 0.000 claims description 11
- 239000002077 nanosphere Substances 0.000 claims description 10
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 9
- 239000011858 nanopowder Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 5
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 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 4
- 239000002086 nanomaterial Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000011975 tartaric acid Substances 0.000 claims description 4
- 235000002906 tartaric acid Nutrition 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 3
- 125000000914 phenoxymethylpenicillanyl group Chemical group CC1(S[C@H]2N([C@H]1C(=O)*)C([C@H]2NC(COC2=CC=CC=C2)=O)=O)C 0.000 claims description 3
- 238000003980 solgel method Methods 0.000 claims description 3
- 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000008246 gaseous mixture Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005518 electrochemistry Effects 0.000 abstract 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 25
- 238000005516 engineering process Methods 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 15
- 239000006230 acetylene black Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 15
- 230000004087 circulation Effects 0.000 description 14
- 238000003756 stirring Methods 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 229910013553 LiNO Inorganic materials 0.000 description 7
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 6
- 239000010405 anode material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910010710 LiFePO Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 229910007052 Li—Ti—O Inorganic materials 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- -1 iron phosphate compound Chemical class 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910012258 LiPO Inorganic materials 0.000 description 1
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 241001460678 Napo <wasp> Species 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- KKEZAVVOJGHSFU-UHFFFAOYSA-N diazanium dihydrogen phosphate Chemical compound [NH4+].[NH4+].OP(O)([O-])=O.OP(O)([O-])=O KKEZAVVOJGHSFU-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000009818 secondary granulation Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003836 solid-state method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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
- 238000009489 vacuum treatment Methods 0.000 description 1
Images
Classifications
-
- 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
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010536316A CN102024947B (zh) | 2010-11-09 | 2010-11-09 | 磷酸铁锂/Li-Al-O复合正极材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010536316A CN102024947B (zh) | 2010-11-09 | 2010-11-09 | 磷酸铁锂/Li-Al-O复合正极材料及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102024947A CN102024947A (zh) | 2011-04-20 |
CN102024947B true CN102024947B (zh) | 2012-10-24 |
Family
ID=43865993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010536316A Active CN102024947B (zh) | 2010-11-09 | 2010-11-09 | 磷酸铁锂/Li-Al-O复合正极材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102024947B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102299327B (zh) * | 2011-08-05 | 2014-03-12 | 陕西科技大学 | 一种锂铝掺杂碳包覆磷酸铁锂正极材料的制备方法 |
CN102437334B (zh) * | 2011-11-23 | 2013-10-23 | 陕西科技大学 | 一种碳纳米管/LiFePO4锂离子电池正极材料的微波水热合成方法 |
CN103531792A (zh) * | 2012-07-02 | 2014-01-22 | 喻维杰 | 一种高性能锂盐复合相磷酸铁锂材料的制造方法 |
CN105702961B (zh) * | 2014-11-27 | 2019-03-29 | 比亚迪股份有限公司 | 一种正极材料和一种锂离子电池 |
JP6487279B2 (ja) * | 2015-06-10 | 2019-03-20 | 住友化学株式会社 | リチウム含有複合酸化物、正極活物質、リチウムイオン二次電池用正極およびリチウムイオン二次電池 |
CN105633402A (zh) * | 2016-03-09 | 2016-06-01 | 东北大学 | 一种复合正极材料、其制备方法和锂离子电池 |
CN105633403A (zh) * | 2016-03-16 | 2016-06-01 | 江苏乐能电池股份有限公司 | 一种高倍率磷酸铁锂正极材料及其制备方法 |
CN108172813B (zh) * | 2018-02-01 | 2020-12-08 | 广东工业大学 | 一种复合正极材料及其制备方法 |
CN108899511B (zh) * | 2018-07-03 | 2021-06-01 | 江苏乐能电池股份有限公司 | 一种磷酸铁锂/偏铝酸锂复合正极材料的制备方法 |
CN110224120A (zh) * | 2019-05-23 | 2019-09-10 | 清华大学深圳研究生院 | 复合电极的制备方法、复合电极及锂离子电池 |
WO2020245911A1 (ja) * | 2019-06-04 | 2020-12-10 | 本田技研工業株式会社 | 電解液吸収粒子、自立シート、リチウムイオン二次電池用電極、セパレータ、およびリチウムイオン二次電池 |
CN110323489B (zh) * | 2019-06-28 | 2020-09-08 | 华中科技大学 | 一种固态锂离子导体及其制备方法与应用 |
CN111900459A (zh) * | 2020-08-27 | 2020-11-06 | 中南大学 | 一种peo基复合固态电解质及其制备方法 |
CN113991070A (zh) * | 2021-09-14 | 2022-01-28 | 陕西创普斯新能源科技有限公司 | 一种磷酸铁锂复合材料及其制备方法和应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1582508A (zh) * | 2001-08-20 | 2005-02-16 | Fmc公司 | 二次电池的正极活性材料及其制备方法 |
CN101202361A (zh) * | 2007-04-24 | 2008-06-18 | 万向集团公司 | 一种锂离子电池 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100578877B1 (ko) * | 2004-03-12 | 2006-05-11 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
-
2010
- 2010-11-09 CN CN201010536316A patent/CN102024947B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1582508A (zh) * | 2001-08-20 | 2005-02-16 | Fmc公司 | 二次电池的正极活性材料及其制备方法 |
CN101202361A (zh) * | 2007-04-24 | 2008-06-18 | 万向集团公司 | 一种锂离子电池 |
Also Published As
Publication number | Publication date |
---|---|
CN102024947A (zh) | 2011-04-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102024947B (zh) | 磷酸铁锂/Li-Al-O复合正极材料及其制备方法 | |
CN102324494B (zh) | 磷酸铁锂/纳米粉管氧化物复合正极材料及其制备方法 | |
CN107482182B (zh) | 碳包覆离子掺杂磷酸锰锂电极材料及其制备方法 | |
CN102201576B (zh) | 一种多孔碳原位复合磷酸铁锂正极材料及其制备方法 | |
CN107331853B (zh) | 一种石墨烯复合多层带孔类球形锰酸锂电极材料及其制备的锂离子电池 | |
CN101752562B (zh) | 一种复合掺杂改性锂离子电池正极材料及其制备方法 | |
CN103794776B (zh) | 一种高电压、高压实锂离子电池复合正极材料及制备方法 | |
CN102623708A (zh) | 锂离子电池正极用磷酸钒锂/石墨烯复合材料的制备方法 | |
CN102427134A (zh) | 一种LiFePO4-MXy混合导体复合物材料及其制备方法 | |
CN101955175A (zh) | 一种磷酸亚铁锂的工业制备方法 | |
CN107978738B (zh) | 一种焦磷酸锰钠/碳的复合正极材料及其制备和应用 | |
CN105355908A (zh) | 锂离子电池复合负极材料及其制备方法、使用该材料的负极和锂离子电池 | |
CN101941685A (zh) | 一种球形磷酸铁锂材料制备和采用该材料的锂离子电池 | |
CN101719549A (zh) | 用于锂离子电池正极材料的复合磷酸亚铁锂及其制备方法 | |
CN102723487A (zh) | 氮化钛和碳复合包覆锂离子电池磷酸亚铁锂正极材料及其制备方法 | |
CN113611839A (zh) | 一种新型混合体系富锂锰基正极片及其制备方法,锂离子电池 | |
CN103280579A (zh) | 一种高性能锂离子电池正极材料磷酸铁锰锂及其制备方法 | |
CN110611080A (zh) | 一种过渡金属掺杂的磷酸钛锰钠/碳复合正极材料及其制备和在钠离子电池中的应用 | |
CN111244563A (zh) | 一种正极补锂离子添加剂及其制备方法和应用 | |
CN108281620B (zh) | 一种钠离子电池负极材料二氧化钛的制备方法 | |
CN116154154B (zh) | 纯相聚阴离子型硫酸盐钠离子电池正极材料及其制备方法 | |
CN116344763B (zh) | 一种金属/碳包覆氧化锂复合正极材料及其制备方法以及包含该正极材料的正极片和电池 | |
CN103367728A (zh) | 一种活化天然石墨改性硅酸铁锂正极材料及其制备方法 | |
CN101964413A (zh) | 一种纳米级磷酸铁锂电极材料及其制备方法 | |
CN115275168A (zh) | 一种高倍率的锂离子电池负极材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GANSU DAXIANG ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LUO SHAOHUA Effective date: 20120718 Free format text: FORMER OWNER: TIAN YONG LI HUI Effective date: 20120718 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 066004 QINHUANGDAO, HEBEI PROVINCE TO: 730913 BAIYIN, GANSU PROVINCE |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20120718 Address after: Park of small and medium-sized enterprises in Gansu Province Economic Development Zone Baiyin Pingchuan District of Gansu province 730913 Applicant after: GANSU DX ENERGY TECHNOLOGY CO.,LTD. Address before: 066004 Department of materials, Northeastern University at Qinhuangdao, 143 Taishan Road, Qinhuangdao economic and Technological Development Zone, Hebei Applicant before: Luo Shaohua Co-applicant before: Tian Yong Co-applicant before: Li Hui |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lithium iron phosphate /Li-Al-O composite positive electrode material and preparation method thereof Effective date of registration: 20150507 Granted publication date: 20121024 Pledgee: Bank of Lanzhou Limited by Share Ltd. Hengtong branch Pledgor: GANSU DX ENERGY TECHNOLOGY CO.,LTD. Registration number: 2015620000005 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171204 Granted publication date: 20121024 Pledgee: Bank of Lanzhou Limited by Share Ltd. Hengtong branch Pledgor: GANSU DX ENERGY TECHNOLOGY CO.,LTD. Registration number: 2015620000005 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lithium iron phosphate /Li-Al-O composite positive electrode material and preparation method thereof Effective date of registration: 20171213 Granted publication date: 20121024 Pledgee: Gansu double credit Company limited by guarantee Pledgor: GANSU DX ENERGY TECHNOLOGY CO.,LTD. Registration number: 2017620000028 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190813 Granted publication date: 20121024 Pledgee: Gansu double credit Company limited by guarantee Pledgor: GANSU DX ENERGY TECHNOLOGY CO.,LTD. Registration number: 2017620000028 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lithium iron phosphate/Li-Al-O composite cathode material and its preparation method Effective date of registration: 20190918 Granted publication date: 20121024 Pledgee: Gansu double credit Company limited by guarantee Pledgor: GANSU DX ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2019620000003 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200817 Granted publication date: 20121024 Pledgee: Gansu double credit Company limited by guarantee Pledgor: GANSU DX ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2019620000003 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lithium iron phosphate /Li-Al-O composite positive electrode material and preparation method thereof Effective date of registration: 20200922 Granted publication date: 20121024 Pledgee: Gansu shuangchuang Financing Guarantee Co.,Ltd. Pledgor: GANSU DX ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020620000018 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210901 Granted publication date: 20121024 Pledgee: Gansu shuangchuang Financing Guarantee Co.,Ltd. Pledgor: GANSU DX ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020620000018 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231221 Address after: 730999 No.7 Zhihui 1st Road, Baiyin District, Baiyin City, Gansu Province Patentee after: Baiyin Era Ruixiang New Material Technology Co.,Ltd. Address before: 730913 Pingchuan District Economic Development Zone Small and Medium Enterprise Entrepreneurship Park, Baiyin City, Gansu Province Patentee before: GANSU DX ENERGY TECHNOLOGY CO.,LTD. |