CN103367745B - 一种金属表面包覆Na掺杂磷酸铁锂复合正极材料的制备方法 - Google Patents
一种金属表面包覆Na掺杂磷酸铁锂复合正极材料的制备方法 Download PDFInfo
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- CN103367745B CN103367745B CN201310289531.2A CN201310289531A CN103367745B CN 103367745 B CN103367745 B CN 103367745B CN 201310289531 A CN201310289531 A CN 201310289531A CN 103367745 B CN103367745 B CN 103367745B
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- Prior art keywords
- lithium phosphate
- doped iron
- iron lithium
- phosphate
- coated
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- 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.)
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- 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 43
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 9
- 239000002184 metal Substances 0.000 title claims abstract description 9
- 239000002131 composite material Substances 0.000 title claims abstract description 8
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000011734 sodium Substances 0.000 claims abstract description 58
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims abstract description 12
- 239000000413 hydrolysate Substances 0.000 claims abstract description 12
- 235000019837 monoammonium phosphate Nutrition 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 8
- 229940062993 ferrous oxalate Drugs 0.000 claims abstract description 7
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000010405 anode material Substances 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 238000001556 precipitation Methods 0.000 claims abstract description 5
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 4
- 229910052701 rubidium Inorganic materials 0.000 claims abstract description 3
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims abstract description 3
- AHLATJUETSFVIM-UHFFFAOYSA-M rubidium fluoride Chemical compound [F-].[Rb+] AHLATJUETSFVIM-UHFFFAOYSA-M 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 238000010298 pulverizing process Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 239000000320 mechanical mixture Substances 0.000 claims 1
- 229910052493 LiFePO4 Inorganic materials 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 229910001952 rubidium oxide Inorganic materials 0.000 abstract description 2
- CWBWCLMMHLCMAM-UHFFFAOYSA-M rubidium(1+);hydroxide Chemical compound [OH-].[Rb+].[Rb+] CWBWCLMMHLCMAM-UHFFFAOYSA-M 0.000 abstract description 2
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 238000010532 solid phase synthesis reaction Methods 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 229910010710 LiFePO Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000004246 zinc acetate Substances 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
Abstract
Description
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CN201310289531.2A CN103367745B (zh) | 2013-07-11 | 2013-07-11 | 一种金属表面包覆Na掺杂磷酸铁锂复合正极材料的制备方法 |
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CN201310289531.2A CN103367745B (zh) | 2013-07-11 | 2013-07-11 | 一种金属表面包覆Na掺杂磷酸铁锂复合正极材料的制备方法 |
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CN103367745A CN103367745A (zh) | 2013-10-23 |
CN103367745B true CN103367745B (zh) | 2016-05-25 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103794799A (zh) * | 2014-02-28 | 2014-05-14 | 大连交通大学 | 一步实现碳包覆和Na+掺杂制备LiFePO4正极材料的方法 |
CN109980186B (zh) * | 2017-12-27 | 2021-12-03 | 中国电子科技集团公司第十八研究所 | 一种掺杂改性型金属焦磷酸盐正极材料 |
CN109728286B (zh) * | 2019-01-07 | 2021-09-17 | 重庆特瑞电池材料股份有限公司 | 一种富金属磷化物包覆磷酸铁锂的制备方法 |
CN113088134B (zh) * | 2021-03-19 | 2022-09-02 | 光鼎铷业(广州)集团有限公司 | 一种锂电池隔膜用铷掺杂涂料、覆膜、隔膜及制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1228620A (zh) * | 1998-02-10 | 1999-09-15 | 三星电管株式会社 | 用于锂二次电池的正极活性材料及其制造方法 |
CN1319905A (zh) * | 2000-03-24 | 2001-10-31 | 默克专利股份有限公司 | 涂覆锂混合氧化物颗粒及其制备方法 |
CN101540400A (zh) * | 2009-04-24 | 2009-09-23 | 济宁市无界科技有限公司 | 锂离子电池的锂位钠掺杂型磷酸铁锂正极材料及其制备方法 |
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KR100413816B1 (ko) * | 2001-10-16 | 2004-01-03 | 학교법인 한양학원 | 리튬 2차 전지용 전극 활물질, 그의 제조방법, 및 그를포함하는 리튬 2차 전지 |
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2013
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1228620A (zh) * | 1998-02-10 | 1999-09-15 | 三星电管株式会社 | 用于锂二次电池的正极活性材料及其制造方法 |
CN1319905A (zh) * | 2000-03-24 | 2001-10-31 | 默克专利股份有限公司 | 涂覆锂混合氧化物颗粒及其制备方法 |
CN101540400A (zh) * | 2009-04-24 | 2009-09-23 | 济宁市无界科技有限公司 | 锂离子电池的锂位钠掺杂型磷酸铁锂正极材料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
"Preparation and characterization of Na-doped LiFePO4/C composites as cathode materials for lithium-ion batteries";Xiongge Yin等;《Journal of Power Sources》;20100115;第195卷;第4308-4312 * |
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Addressee: Suzhou Yiyuan Hongda Intellectual Property Agency Co., Ltd. Document name: Notification of Publication and of Entering the Substantive Examination Stage of the Application for Invention |
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Addressee: Suzhou Yiyuan Hongda Intellectual Property Agency Co., Ltd. Document name: the First Notification of an Office Action |
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C14 | Grant of patent or utility model | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Su Shangshuang Inventor before: Wang Yuanyuan |
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GR01 | Patent grant | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160503 Address after: 325200 Ruian, Zhejiang Xian Xian Xian Xian Xian Village Applicant after: Su Shangshuang Address before: Suzhou City, Jiangsu province 215100 Songjiang Road, Suzhou Industrial Park, No. 208 Building 8 Room 112 Applicant before: Suzhou Yiyuan Hongda Intellectual Property Agency Co., Ltd. |
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Effective date of registration: 20170122 Address after: 201406 Fengxian District Guangming Road, green village, Shanghai, No. 3492 Patentee after: Shanghai DLG Batteriy Co., Ltd. Patentee after: Shanghai DLG Battery Co., Ltd. Address before: 325200 Ruian, Zhejiang Xian Xian Xian Xian Xian Village Patentee before: Su Shangshuang |
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CF01 | Termination of patent right due to non-payment of annual fee |
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CF01 | Termination of patent right due to non-payment of annual fee |