CN102856547B - 还原碳纳米管包覆的磷酸亚铁锂正极材料的制备方法 - Google Patents
还原碳纳米管包覆的磷酸亚铁锂正极材料的制备方法 Download PDFInfo
- Publication number
- CN102856547B CN102856547B CN201210358795.4A CN201210358795A CN102856547B CN 102856547 B CN102856547 B CN 102856547B CN 201210358795 A CN201210358795 A CN 201210358795A CN 102856547 B CN102856547 B CN 102856547B
- Authority
- CN
- China
- Prior art keywords
- compound
- temperature
- carbon nano
- reduction
- ferrous
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 56
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 56
- 239000010406 cathode material Substances 0.000 title claims abstract description 23
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 74
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000005245 sintering Methods 0.000 claims abstract description 47
- 238000002360 preparation method Methods 0.000 claims abstract description 44
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012298 atmosphere Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 30
- 150000001722 carbon compounds Chemical class 0.000 claims abstract description 28
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 20
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 238000000498 ball milling Methods 0.000 claims abstract description 12
- 238000001238 wet grinding Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 33
- 238000003763 carbonization Methods 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 24
- 229910052799 carbon Inorganic materials 0.000 claims description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- -1 phosphate anion Chemical class 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 19
- SNKMVYBWZDHJHE-UHFFFAOYSA-M lithium;dihydrogen phosphate Chemical compound [Li+].OP(O)([O-])=O SNKMVYBWZDHJHE-UHFFFAOYSA-M 0.000 claims description 19
- 229940062993 ferrous oxalate Drugs 0.000 claims description 18
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 claims description 18
- 210000003097 mucus Anatomy 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 238000005303 weighing Methods 0.000 claims description 16
- 239000012153 distilled water Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 229910001416 lithium ion Inorganic materials 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 13
- 229910052786 argon Inorganic materials 0.000 claims description 11
- 229910019142 PO4 Inorganic materials 0.000 claims description 10
- 239000008246 gaseous mixture Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000010452 phosphate Substances 0.000 claims description 10
- 229910001448 ferrous ion Inorganic materials 0.000 claims description 9
- 230000001186 cumulative effect Effects 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052573 porcelain Inorganic materials 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 7
- 239000012279 sodium borohydride Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 5
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 5
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 5
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 5
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims description 5
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 5
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 5
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims description 2
- 239000004254 Ammonium phosphate Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 239000004277 Ferrous carbonate Substances 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- MCDLETWIOVSGJT-UHFFFAOYSA-N acetic acid;iron Chemical compound [Fe].CC(O)=O.CC(O)=O MCDLETWIOVSGJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 2
- RAQDACVRFCEPDA-UHFFFAOYSA-L ferrous carbonate Chemical compound [Fe+2].[O-]C([O-])=O RAQDACVRFCEPDA-UHFFFAOYSA-L 0.000 claims description 2
- 229960004652 ferrous carbonate Drugs 0.000 claims description 2
- 235000019268 ferrous carbonate Nutrition 0.000 claims description 2
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims description 2
- 229910000015 iron(II) carbonate Inorganic materials 0.000 claims description 2
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 2
- 235000011007 phosphoric acid Nutrition 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- DBGVGMSCBYYSLD-UHFFFAOYSA-N tributylstannane Chemical compound CCCC[SnH](CCCC)CCCC DBGVGMSCBYYSLD-UHFFFAOYSA-N 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052744 lithium Inorganic materials 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000007772 electrode material Substances 0.000 abstract description 3
- 238000000227 grinding Methods 0.000 abstract 2
- 238000002955 isolation Methods 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 238000001291 vacuum drying Methods 0.000 abstract 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229910010710 LiFePO Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003863 metallic catalyst Substances 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229940116007 ferrous phosphate Drugs 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910000155 iron(II) phosphate Inorganic materials 0.000 description 2
- SDEKDNPYZOERBP-UHFFFAOYSA-H iron(ii) phosphate Chemical compound [Fe+2].[Fe+2].[Fe+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SDEKDNPYZOERBP-UHFFFAOYSA-H 0.000 description 2
- 239000002071 nanotube Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 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
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229930006000 Sucrose Natural products 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
- 229930003268 Vitamin C Natural products 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 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
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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 (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210358795.4A CN102856547B (zh) | 2012-09-25 | 2012-09-25 | 还原碳纳米管包覆的磷酸亚铁锂正极材料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210358795.4A CN102856547B (zh) | 2012-09-25 | 2012-09-25 | 还原碳纳米管包覆的磷酸亚铁锂正极材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102856547A CN102856547A (zh) | 2013-01-02 |
CN102856547B true CN102856547B (zh) | 2014-11-05 |
Family
ID=47402911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210358795.4A Active CN102856547B (zh) | 2012-09-25 | 2012-09-25 | 还原碳纳米管包覆的磷酸亚铁锂正极材料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102856547B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170040647A1 (en) * | 2014-01-28 | 2017-02-09 | Lg Chem, Ltd. | Surface-coated positive electrode active material, method of preparing the same, and lithium secondary battery including the same |
CN111384364A (zh) * | 2018-12-27 | 2020-07-07 | 中信国安盟固利动力科技有限公司 | 一种高容量的预嵌锂正极材料及其制备方法 |
CN110600714B (zh) * | 2019-10-12 | 2022-04-19 | 福建师范大学 | 包覆聚合铝的掺杂镍钴锰三元材料的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101007630A (zh) * | 2007-01-16 | 2007-08-01 | 北大先行科技产业有限公司 | 一种可调控其颗粒形貌的磷酸铁锂制备方法 |
CN101442126A (zh) * | 2008-08-01 | 2009-05-27 | 上海华实纳米材料有限公司 | 一种碳纳米管键接磷酸亚铁锂复合电极材料及其制备方法 |
CN101475157A (zh) * | 2009-01-21 | 2009-07-08 | 武汉大学 | 一种磷酸铁锂纳米复合微球的制备方法 |
CN101546830A (zh) * | 2008-07-19 | 2009-09-30 | 深圳市德方纳米科技有限公司 | 一种纳米磷酸铁锂材料及其制备方法 |
CN101630730A (zh) * | 2009-07-27 | 2010-01-20 | 深圳市德方纳米科技有限公司 | 纳米磷酸铁锂复合物及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110114875A1 (en) * | 2009-11-16 | 2011-05-19 | Guiqing Huang | Electrochemically active materials and precursors thereto |
-
2012
- 2012-09-25 CN CN201210358795.4A patent/CN102856547B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101007630A (zh) * | 2007-01-16 | 2007-08-01 | 北大先行科技产业有限公司 | 一种可调控其颗粒形貌的磷酸铁锂制备方法 |
CN101546830A (zh) * | 2008-07-19 | 2009-09-30 | 深圳市德方纳米科技有限公司 | 一种纳米磷酸铁锂材料及其制备方法 |
CN101442126A (zh) * | 2008-08-01 | 2009-05-27 | 上海华实纳米材料有限公司 | 一种碳纳米管键接磷酸亚铁锂复合电极材料及其制备方法 |
CN101475157A (zh) * | 2009-01-21 | 2009-07-08 | 武汉大学 | 一种磷酸铁锂纳米复合微球的制备方法 |
CN101630730A (zh) * | 2009-07-27 | 2010-01-20 | 深圳市德方纳米科技有限公司 | 纳米磷酸铁锂复合物及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102856547A (zh) | 2013-01-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5458171B2 (ja) | リン酸鉄リチウム合成材料の製造方法 | |
CN112421048A (zh) | 一种低成本制备石墨包覆纳米硅锂电池负极材料的方法 | |
CN106099113A (zh) | 一种核壳结构硅碳复合材料及其制备方法 | |
CN104638240A (zh) | 一种锂离子电池硅碳复合负极材料的制备方法及其产品 | |
CN104103821B (zh) | 硅碳负极材料的制备方法 | |
CN114538403A (zh) | 钠离子电池正极材料磷酸焦磷酸铁钠的制备方法及其应用 | |
CN105633374A (zh) | 一种硅-碳-石墨复合负极材料的制备方法 | |
CN103560233A (zh) | 一种锂离子电池负极材料碳包覆的硅石墨及其制备方法 | |
CN102437314B (zh) | 三维结构泡沫金属/磷酸铁锂一体电极、其制备方法及以其为正极极片的锂离子电池 | |
CN103050668A (zh) | 一种锂离子电池Si/C复合负极材料的制备方法 | |
CN102569726A (zh) | 一种包覆有金属离子的锂离子电池负极材料制备方法 | |
CN102074686A (zh) | 锂离子电池正极材料磷酸锰锂/碳的合成方法 | |
CN107464938B (zh) | 一种具有核壳结构的碳化钼/碳复合材料及其制备方法和在锂空气电池中的应用 | |
CN101673820A (zh) | 一种固液结合制备磷酸锰锂/碳复合材料的方法 | |
CN110085849B (zh) | 一种具有网状结构的碳包覆磷酸焦磷酸锰钠@swcnt复合材料及其制备及应用 | |
CN107068994A (zh) | 一种氮掺杂的碳负载氮化铁复合物钠离子电池负极材料的制备方法 | |
CN114361425B (zh) | 一种黄铁矿直接制备焦磷酸磷酸铁钠复合材料的方法、焦磷酸磷酸铁钠复合材料及其应用 | |
CN103618065B (zh) | 磷酸铁锂材料及其制备方法 | |
CN110957490A (zh) | 一种中空结构的碳包覆磷酸铁钠电极材料的制备方法 | |
CN102856547B (zh) | 还原碳纳米管包覆的磷酸亚铁锂正极材料的制备方法 | |
CN102856548B (zh) | 直接还原纳米碳包覆的磷酸亚铁锂正极材料的制备方法 | |
CN103682337B (zh) | 一种低含量高石墨化碳包覆磷酸铁锂 | |
CN107658438A (zh) | 制备氟磷酸亚铁钠多孔海绵状结构材料及方法 | |
CN102646828A (zh) | 一种制备锂离子电池正极材料LiMnPO4/C的方法 | |
CN102856549B (zh) | 碳纳米管包覆的磷酸亚铁锂正极材料的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180111 Address after: Economic Development Zone, Guizhou province Bijie city Nayong County 553300 Patentee after: GUIZHOU WEITE HI-TECH ENERGY TECHNOLOGY CO.,LTD. Address before: 350007 Fuzhou Road, Cangshan District, Fujian,, China Patentee before: Fujian Normal University |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240425 Address after: No. 68 Zhongyao Group, Luwei Village, Juren Street, Nayong County, Bijie City, Guizhou Province, 553311 Patentee after: Guizhou Rongqian New Energy Co.,Ltd. Country or region after: China Address before: 553300 Nayong County Economic Development Zone, Bijie City, Guizhou Province Patentee before: GUIZHOU WEITE HI-TECH ENERGY TECHNOLOGY CO.,LTD. Country or region before: China |