CN109950472A - 一种锂硫电池正极材料及其制备方法、电极片及锂硫电池 - Google Patents
一种锂硫电池正极材料及其制备方法、电极片及锂硫电池 Download PDFInfo
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- CN109950472A CN109950472A CN201910217202.4A CN201910217202A CN109950472A CN 109950472 A CN109950472 A CN 109950472A CN 201910217202 A CN201910217202 A CN 201910217202A CN 109950472 A CN109950472 A CN 109950472A
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- Prior art keywords
- lithium
- anode material
- battery anode
- sulphur
- sulfur
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- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 239000010405 anode material Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 103
- 239000005864 Sulphur Substances 0.000 claims abstract description 62
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 41
- 239000011593 sulfur Substances 0.000 claims abstract description 41
- 239000005416 organic matter Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 29
- 238000002844 melting Methods 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 11
- 238000007334 copolymerization reaction Methods 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000010792 warming Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 239000007774 positive electrode material Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 125000001741 organic sulfur group Chemical group 0.000 description 25
- 239000002861 polymer material Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 11
- 238000000227 grinding Methods 0.000 description 7
- 239000011261 inert gas Substances 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 4
- 229920001021 polysulfide Polymers 0.000 description 4
- 239000005077 polysulfide Substances 0.000 description 4
- 150000008117 polysulfides Polymers 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical group C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 101100289192 Pseudomonas fragi lips gene Proteins 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 230000022131 cell cycle Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 210000000088 lip Anatomy 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 241000143432 Daldinia concentrica Species 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 150000007517 lewis acids Chemical group 0.000 description 1
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical class [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 1
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000004646 sulfenyl group Chemical group S(*)* 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- -1 trifluoromethyl sulfonic acid imide Chemical class 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
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- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN201910217202.4A CN109950472B (zh) | 2019-03-21 | 2019-03-21 | 一种锂硫电池正极材料及其制备方法、电极片及锂硫电池 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1337753A (zh) * | 2001-09-21 | 2002-02-27 | 中国科学院上海冶金研究所 | 一种薄膜电池用的有机硫化物正极及其制备方法 |
CN1339839A (zh) * | 2001-09-21 | 2002-03-13 | 中国科学院上海冶金研究所 | 电化学电源用有机硫化物正极材料及其制备方法 |
CN102751494A (zh) * | 2012-07-09 | 2012-10-24 | 广州市香港科大霍英东研究院 | 新型多孔骨架MIL-101(Cr)@S/石墨烯锂硫电池正极复合材料的制备方法 |
US20140199592A1 (en) * | 2011-08-11 | 2014-07-17 | Arizona Board Of Regents On Behalf Of The Universi Of Arizona | High sulfur content copolymers and composite materials and electrochemical cells and optical elements using them |
CN105826534A (zh) * | 2016-04-28 | 2016-08-03 | 中国科学院金属研究所 | 一种有机聚合物硫/碳纳米管复合材料及其在锂硫电池中的应用 |
CN106882784A (zh) * | 2015-12-13 | 2017-06-23 | 中国科学院大连化学物理研究所 | 一维取向有序交联纤维状分级孔碳材料的制备及应用 |
CN108306004A (zh) * | 2018-01-30 | 2018-07-20 | 成都新柯力化工科技有限公司 | 一种聚合硫-锡粉稳定的锂硫电池硫电极材料及制备方法 |
CN108574103A (zh) * | 2018-04-28 | 2018-09-25 | 浙江天晨胶业股份有限公司 | 一种锂离子电池用粘结剂及制法、电极材料、电极 |
CN108598415A (zh) * | 2018-04-24 | 2018-09-28 | 中国石油大学(华东) | 一种用于锂硫电池正极的复合材料及其制备方法 |
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2019
- 2019-03-21 CN CN201910217202.4A patent/CN109950472B/zh not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1337753A (zh) * | 2001-09-21 | 2002-02-27 | 中国科学院上海冶金研究所 | 一种薄膜电池用的有机硫化物正极及其制备方法 |
CN1339839A (zh) * | 2001-09-21 | 2002-03-13 | 中国科学院上海冶金研究所 | 电化学电源用有机硫化物正极材料及其制备方法 |
US20140199592A1 (en) * | 2011-08-11 | 2014-07-17 | Arizona Board Of Regents On Behalf Of The Universi Of Arizona | High sulfur content copolymers and composite materials and electrochemical cells and optical elements using them |
CN102751494A (zh) * | 2012-07-09 | 2012-10-24 | 广州市香港科大霍英东研究院 | 新型多孔骨架MIL-101(Cr)@S/石墨烯锂硫电池正极复合材料的制备方法 |
CN106882784A (zh) * | 2015-12-13 | 2017-06-23 | 中国科学院大连化学物理研究所 | 一维取向有序交联纤维状分级孔碳材料的制备及应用 |
CN105826534A (zh) * | 2016-04-28 | 2016-08-03 | 中国科学院金属研究所 | 一种有机聚合物硫/碳纳米管复合材料及其在锂硫电池中的应用 |
CN108306004A (zh) * | 2018-01-30 | 2018-07-20 | 成都新柯力化工科技有限公司 | 一种聚合硫-锡粉稳定的锂硫电池硫电极材料及制备方法 |
CN108598415A (zh) * | 2018-04-24 | 2018-09-28 | 中国石油大学(华东) | 一种用于锂硫电池正极的复合材料及其制备方法 |
CN108574103A (zh) * | 2018-04-28 | 2018-09-25 | 浙江天晨胶业股份有限公司 | 一种锂离子电池用粘结剂及制法、电极材料、电极 |
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Inventor after: Li Zhen Inventor after: Li Xiang Inventor after: Yuan Lixia Inventor after: Huang Yunhui Inventor after: Liu Dezhong Inventor after: Yuan Kai Inventor after: Xiang Jingwei Inventor after: Chen Jie Inventor before: Li Xiang Inventor before: Yuan Lixia Inventor before: Li Zhen Inventor before: Huang Yunhui Inventor before: Liu Dezhong Inventor before: Yuan Kai Inventor before: Xiang Jingwei Inventor before: Chen Jie |
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