CN108565446B - 一种多孔氮掺杂碳包覆石墨材料的制备方法 - Google Patents
一种多孔氮掺杂碳包覆石墨材料的制备方法 Download PDFInfo
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- CN108565446B CN108565446B CN201810592162.7A CN201810592162A CN108565446B CN 108565446 B CN108565446 B CN 108565446B CN 201810592162 A CN201810592162 A CN 201810592162A CN 108565446 B CN108565446 B CN 108565446B
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- doped carbon
- porous nitrogen
- organic acid
- graphite material
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 82
- 239000007770 graphite material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 150000007524 organic acids Chemical class 0.000 claims abstract description 54
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 48
- 239000010439 graphite Substances 0.000 claims abstract description 48
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 41
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000011065 in-situ storage Methods 0.000 claims abstract description 15
- 238000007873 sieving Methods 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 60
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 239000012792 core layer Substances 0.000 claims description 23
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 238000010000 carbonizing Methods 0.000 claims description 14
- 125000000524 functional group Chemical group 0.000 claims description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 12
- 229910021389 graphene Inorganic materials 0.000 claims description 12
- 239000011258 core-shell material Substances 0.000 claims description 11
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 229910021382 natural graphite Inorganic materials 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 239000002931 mesocarbon microbead Substances 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- SYBYTAAJFKOIEJ-UHFFFAOYSA-N 3-Methylbutan-2-one Chemical compound CC(C)C(C)=O SYBYTAAJFKOIEJ-UHFFFAOYSA-N 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 9
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 9
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 4
- 239000011247 coating layer Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 16
- 238000003756 stirring Methods 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 125000003277 amino group Chemical group 0.000 description 8
- 238000003763 carbonization Methods 0.000 description 8
- 238000012216 screening Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 229910018688 LixC6 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000001291 vacuum drying 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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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CN108565446B true CN108565446B (zh) | 2021-01-19 |
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Families Citing this family (10)
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CN109449428A (zh) * | 2018-12-05 | 2019-03-08 | 中南大学 | 一种氮掺杂碳包覆混合石墨复合材料及其制备方法和在锂离子电池中的应用 |
CN112751140B (zh) * | 2019-10-16 | 2023-09-15 | 珠海冠宇电池股份有限公司 | 一种提高锂离子电池电解液保液量和安全性能的隔膜功能涂层材料 |
CN114068885A (zh) * | 2020-07-30 | 2022-02-18 | 湖南中科星城石墨有限公司 | 一种具有多孔碳层的石墨材料及其制备方法和用途 |
CN114068923A (zh) * | 2020-07-30 | 2022-02-18 | 湖南中科星城石墨有限公司 | 一种石墨的改性方法及其在锂离子电池的用途 |
CN114068886A (zh) * | 2020-07-30 | 2022-02-18 | 湖南中科星城石墨有限公司 | 一种改性石墨材料及其制备方法和用途 |
CN113422023B (zh) * | 2021-06-25 | 2023-03-03 | 洛阳月星新能源科技有限公司 | 一种动力电池用改性天然石墨负极材料及其制备方法 |
CN113422022A (zh) * | 2021-06-25 | 2021-09-21 | 洛阳月星新能源科技有限公司 | 一种快充石墨负极材料及其制备方法 |
CN114188533B (zh) * | 2021-12-20 | 2023-06-30 | 湖北亿纬动力有限公司 | 一种负极材料及其制备方法和应用 |
CN114804094A (zh) * | 2022-04-15 | 2022-07-29 | 广东凯金新能源科技股份有限公司 | 一种氮-石墨烯掺杂复合的石墨负极材料及其制备方法 |
CN114914420B (zh) * | 2022-05-17 | 2023-12-05 | 长沙理工大学 | 一种双重修饰的锂离子电池负极材料及制备方法 |
Citations (2)
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CN107039648A (zh) * | 2017-05-31 | 2017-08-11 | 深圳市沃特玛电池有限公司 | 氮掺杂有序介孔碳包覆的磷酸铁锂复合材料的制备方法 |
CN108063221A (zh) * | 2017-05-11 | 2018-05-22 | 华为技术有限公司 | 制备负极材料的方法、负极材料、负极极片和锂离子电池 |
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CN104282896A (zh) * | 2014-09-18 | 2015-01-14 | 东莞市翔丰华电池材料有限公司 | 一种掺氮碳包覆石墨负极材料及其制备方法 |
CN104229789B (zh) * | 2014-09-25 | 2016-08-24 | 上海交通大学 | 一种氮掺杂石墨烯的制备方法 |
CN104716321B (zh) * | 2015-01-29 | 2018-08-07 | 天津大学 | 一种硅-氮掺杂碳-氮掺杂石墨烯复合材料及其制备和应用 |
CN104934603A (zh) * | 2015-05-22 | 2015-09-23 | 田东 | 一种石墨烯掺杂与碳包覆改性石墨负极材料的制备方法 |
CN107093720A (zh) * | 2017-04-24 | 2017-08-25 | 广东烛光新能源科技有限公司 | 一种硅碳负极材料及其制备方法 |
CN107732175A (zh) * | 2017-09-26 | 2018-02-23 | 山东大学 | 一种石墨烯与氮掺杂碳共包覆多孔钛酸锂及其制备方法 |
CN108075128B (zh) * | 2018-01-06 | 2020-01-07 | 福州大学 | 一种氮掺杂碳包覆钴镍硫化物/石墨烯复合电极材料 |
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Patent Citations (2)
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CN108063221A (zh) * | 2017-05-11 | 2018-05-22 | 华为技术有限公司 | 制备负极材料的方法、负极材料、负极极片和锂离子电池 |
CN107039648A (zh) * | 2017-05-31 | 2017-08-11 | 深圳市沃特玛电池有限公司 | 氮掺杂有序介孔碳包覆的磷酸铁锂复合材料的制备方法 |
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