CN108929437A - Method for producing polymer for lithium battery, lithium battery electrolyte, and lithium battery - Google Patents
Method for producing polymer for lithium battery, lithium battery electrolyte, and lithium battery Download PDFInfo
- Publication number
- CN108929437A CN108929437A CN201810900565.3A CN201810900565A CN108929437A CN 108929437 A CN108929437 A CN 108929437A CN 201810900565 A CN201810900565 A CN 201810900565A CN 108929437 A CN108929437 A CN 108929437A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- polymer
- weight
- electrolytes
- manufacturing
- 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.)
- Granted
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 177
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 174
- 229920000642 polymer Polymers 0.000 title claims abstract description 79
- 239000003792 electrolyte Substances 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- -1 maleimide compound Chemical class 0.000 claims abstract description 51
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 150000007524 organic acids Chemical class 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229920006254 polymer film Polymers 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 17
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 6
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 4
- 125000001118 alkylidene group Chemical group 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 238000005576 amination reaction Methods 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 125000005439 maleimidyl group Chemical group C1(C=CC(N1*)=O)=O 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 17
- 229920003192 poly(bis maleimide) Polymers 0.000 description 13
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 10
- 239000000654 additive Substances 0.000 description 10
- 230000000996 additive effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 5
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000007784 solid electrolyte Substances 0.000 description 4
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 3
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004087 circulation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229940100630 metacresol Drugs 0.000 description 3
- UFFVWIGGYXLXPC-UHFFFAOYSA-N 1-[2-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1N1C(=O)C=CC1=O UFFVWIGGYXLXPC-UHFFFAOYSA-N 0.000 description 2
- FJKKJQRXSPFNPM-UHFFFAOYSA-N 1-[3-(2,5-dioxopyrrol-1-yl)-4-methylphenyl]pyrrole-2,5-dione Chemical compound CC1=CC=C(N2C(C=CC2=O)=O)C=C1N1C(=O)C=CC1=O FJKKJQRXSPFNPM-UHFFFAOYSA-N 0.000 description 2
- IPJGAEWUPXWFPL-UHFFFAOYSA-N 1-[3-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC(N2C(C=CC2=O)=O)=C1 IPJGAEWUPXWFPL-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical group CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 229940106691 bisphenol a Drugs 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- NAKOELLGRBLZOF-UHFFFAOYSA-N phenoxybenzene;pyrrole-2,5-dione Chemical compound O=C1NC(=O)C=C1.O=C1NC(=O)C=C1.C=1C=CC=CC=1OC1=CC=CC=C1 NAKOELLGRBLZOF-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- OXHNLMTVIGZXSG-UHFFFAOYSA-N 1-Methylpyrrole Chemical compound CN1C=CC=C1 OXHNLMTVIGZXSG-UHFFFAOYSA-N 0.000 description 1
- SEBFKVKRAREXAK-UHFFFAOYSA-N 1-[(2,5-dioxopyrrol-1-yl)disulfanyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1SSN1C(=O)C=CC1=O SEBFKVKRAREXAK-UHFFFAOYSA-N 0.000 description 1
- ZLMARZJGISXEOG-UHFFFAOYSA-N 1-[(2,5-dioxopyrrol-1-yl)methyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1CN1C(=O)C=CC1=O ZLMARZJGISXEOG-UHFFFAOYSA-N 0.000 description 1
- HAWHASZHDYODTQ-UHFFFAOYSA-N 1-[2-(2,5-dioxopyrrol-1-yl)-1,2-dihydroxyethyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(O)C(O)N1C(=O)C=CC1=O HAWHASZHDYODTQ-UHFFFAOYSA-N 0.000 description 1
- PUKLCKVOVCZYKF-UHFFFAOYSA-N 1-[2-(2,5-dioxopyrrol-1-yl)ethyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1CCN1C(=O)C=CC1=O PUKLCKVOVCZYKF-UHFFFAOYSA-N 0.000 description 1
- DEUOGTWMGGLRID-UHFFFAOYSA-N 1-[4-[4-(2,5-dioxopyrrol-1-yl)phenyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=C(C=2C=CC(=CC=2)N2C(C=CC2=O)=O)C=C1 DEUOGTWMGGLRID-UHFFFAOYSA-N 0.000 description 1
- ONLCJOKGIFUOJN-UHFFFAOYSA-N 1-[bis(2,5-dioxopyrrol-1-yl)methoxy-(2,5-dioxopyrrol-1-yl)methyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(N1C(C=CC1=O)=O)OC(N1C(C=CC1=O)=O)N1C(=O)C=CC1=O ONLCJOKGIFUOJN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910013458 LiC6 Inorganic materials 0.000 description 1
- 229910000552 LiCF3SO3 Inorganic materials 0.000 description 1
- 229910010937 LiGaCl4 Inorganic materials 0.000 description 1
- 229910013406 LiN(SO2CF3)2 Inorganic materials 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910012423 LiSO3F Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- WGSAJYZZERGRAF-UHFFFAOYSA-N S(N1C(C=CC1=O)=O)N1C(C=CC1=O)=O.[S] Chemical compound S(N1C(C=CC1=O)=O)N1C(C=CC1=O)=O.[S] WGSAJYZZERGRAF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- FTNWMFYRUOKPER-UHFFFAOYSA-N benzene;pyrrole-2,5-dione Chemical compound C1=CC=CC=C1.O=C1NC(=O)C=C1 FTNWMFYRUOKPER-UHFFFAOYSA-N 0.000 description 1
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical compound CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning 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
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VHCOFKDAUBOOTH-UHFFFAOYSA-N ethane pyrrole-2,5-dione Chemical compound CC.C1(C=CC(N1)=O)=O VHCOFKDAUBOOTH-UHFFFAOYSA-N 0.000 description 1
- 238000012869 ethanol precipitation Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 150000002466 imines Chemical group 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910001547 lithium hexafluoroantimonate(V) Inorganic materials 0.000 description 1
- 229910001540 lithium hexafluoroarsenate(V) Inorganic materials 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 229910001537 lithium tetrachloroaluminate Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 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
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Disclosed are a method for producing a polymer for a lithium battery, which comprises subjecting a mixture of a maleimide compound and at least one diamine compound to a polymerization reaction in the presence of an organic acid to obtain the polymer for a lithium battery, a lithium battery electrolyte, and a lithium battery. The structure of the maleimide compound comprises at least two maleimide units. The polymer for the lithium battery can improve the high-temperature capacitance of the lithium battery and improve the cycle life of the lithium battery at high temperature and high voltage.
Description
Technical field
The invention relates to manufacturing method, lithium battery electrolytes and the lithium battery of a kind of lithium battery polymer, and it is special
It does not relate to and is dissolved in the lithium battery of specific structure in lithium battery electrolytes with polymer, make lithium battery in the mistake of charge and discharge
Cheng Zhongke is in the technology for forming polymer film on electrode surface.
Background technique
In recent years, because of change of circumstances factor, the whole world is dedicated to reducing carbon emission amount, and electric vehicle is facilitated to accelerate exploitation,
Requirement to battery electric characteristics is also more stringent.Demand due to consumer electronics and power battery to energy density, lithium battery
Positive electrode is towards high-capacitance, high voltage Materials, and negative electrode material is also to the silicon materials of high-energy, lithium metal or graphite
The directions such as material are developed.
Lithium battery is anode with lithiated transition metal oxides, and using graphite electrode as cathode.In the process of charge and discharge
In, solid electrolyte membrane (solid electrolyte is formed on the surface of anode and cathode by the electrolyte of lithium battery
interface；SEI).
Carbonate based organic solvent in electrolyte used at present is formed by the stability of alkoxy lithium carbonate SEI film
It is poor, occur situations such as dissolution, rupture in charge and discharge cycle, so that SEI film needs repeated reproducibility.Therefore, lithium ion is with making
The continued depletion with the increase of time (or charge and discharge cycles number), causes the decline of lithium battery capacity.Meanwhile SEI film
Hyperplasia also will increase the interior resistance of lithium battery, accelerate the decline of lithium battery performance.Furthermore incomplete SEI film can not provide electricity
Extremely good protecting effect causes the metal of positive electrode to be precipitated, material structure rupture, leads to declining for lithium battery cycle life
It moves back.
The shortcomings that for above-mentioned alkoxy lithium carbonate SEI film, proposes that additive is added in the electrolytic solution at present, and passes through this
Additive forms the protective film of unlike material at the electrode surface during lithium battery charge and discharge.
One of additive is the monomer molecule of siliceous maleimide and/or silicone containing bismaleimide.By upper
Additive is stated, the electrochemical window of lithium battery can be made to be extended to greater than 5V, improve cycle life and promotes capacitance.On however,
Stating additive makes the conductibility of lithium ion be deteriorated, and the cycle life and capacitance that are promoted are limited.
Another additive is maleimide and/or bismaleimide monomer and diamine compound in N- methyl pyrrole
Polymerization is formed by polymer in pyrrolidone.However, maleimide content used in the manufacturing method of such additive
It is excessively high, and polymeric reaction temperature is high, causes obtained additive film forming bad.Add the electricity of the lithium battery of such additive
Capacity is bad.
Therefore, it needs to propose a kind of manufacturing method of the polymer of lithium battery at present, above-mentioned lithium battery is used to polymerize
The lithium battery electrolytes and lithium battery of object, lithium when effectively promoting the high-temperature electric capacity of lithium battery, and improve high temperature high voltage
The cycle life of battery.
Summary of the invention
It therefore, is using spy it is an object of the present invention to provide a kind of manufacturing method of lithium battery polymer
The maleimide compound and diamine compound for determining structure are reacted and are obtained.
Another object of the present invention provides a kind of lithium battery electrolytes, and it includes above-mentioned lithium battery polymer.
A further object of the present invention provides a kind of lithium battery, is and to make electrolyte using above-mentioned lithium battery electrolytes
In lithium battery with polymer in forming polymer film on the electrode of lithium battery.
Above-mentioned purpose according to the present invention provides a kind of manufacturing method of lithium battery polymer.In some embodiments,
Above-mentioned manufacturing method is included in the presence of organic acid, makes the mixing of maleimide compound and at least one diamine compound
Object carries out polymerization reaction up to 96 hours to 144 hours, the lithium battery polymer is made.Above-mentioned maleimide compound
Structure include at least two maleimide amine units, and the maleimide compound in the mixture and at least one two
The molar ratio of amine compounds is 1:1 to 3:1.
One embodiment according to the present invention, the reaction temperature of above-mentioned polymerization reaction are 100 DEG C to 130 DEG C, and above-mentioned are had
Machine acid includes acetic acid.
One embodiment according to the present invention, the weight average molecular weight of above-mentioned lithium battery polymer be 20,000 to
1,000,000。
One embodiment according to the present invention, above-mentioned maleimide compound have such as following formula (I-1) or formula (I-2)
Shown in structure:
In formula (I-1), R1For-RCH2R-、-RNH2R-、-C(O)CH2-、-CH2OCH2-、-C(O)-、 -O-、-O-O-、-
S-、-S-S-、-S(O)-、-CH2S(O)CH2-、-(O)S(O)-、-C6H4-、 -CH2(C6H4)CH2-、-CH2(C6H4) (O)-, stretch benzene
Base, stretch xenyl, replace stretch phenyl or it is substituted stretch xenyl, wherein R is the alkylidene of carbon number 1 to 6；And
In formula (I-2), R2Representative-RCH2,-C (O)-,-C (CH3)2,-O- ,-O-O- ,-S- ,-S-S-,
OrOrWherein n is 1 to 3
Integer.
One embodiment according to the present invention, at least one diamine compound include the structure as shown in following formula (II):
In formula (II), the R3Representative-CH2-、-C(CH3)2C6H4C(CH3)-、-O-、-S-、-SO2Or-OC6H4C
(CH3)C6H4O-。
Above-mentioned purpose according to the present invention provides a kind of lithium battery electrolytes.In some embodiments, the lithium battery
Solving liquid includes electrolyte, lithium battery polymer and solvent as obtained by previous building methods.With lithium battery electrolytes
Usage amount is 100 parts by weight, and the usage amount of the lithium battery polymer is 0.2 parts by weight to 2 parts by weight.
One embodiment according to the present invention, with the usage amount of lithium battery electrolytes for 100 parts by weight, the electrolyte
Usage amount is 10 parts by weight to 20 parts by weight, and the electrolyte includes alkaline metal salt electrolyte.
One embodiment according to the present invention, the solvent include the carboxylic acid alkyl ester that carbon number is 3 to 5.
One embodiment according to the present invention, the lithium battery are dissolved in the solvent with polymer.
Above-mentioned purpose according to the present invention proposes a kind of lithium battery.In some embodiments, the lithium battery pack contains lithiumation
Transition metal oxide electrode, graphite electrode, separator, polymer film and above-mentioned lithium battery electrolytes.Separator setting exists
Between lithiated transition metal oxides electrode and graphite electrode.Polymer film covering lithiated transition metal oxides electrode and
The surface of graphite electrode.The polymer film is by the lithium battery polymer in lithium battery electrolytes in the charge and discharge of lithium battery
Formed in process.
The manufacturing method of lithium battery polymer of the invention, uses the maleimation of specific structure and use ratio
Object and at least one diamine compound are closed, and in the presence of catalyst (such as organic acid), manufactures polymer.Obtained polymer
Additive application be can be used as in lithium battery electrolytes.It, can be in charge and discharge process using the lithium battery of above-mentioned lithium battery electrolytes
In form polymer film in positive and negative electrode surface and prevent subsequent electrolyte in electrode to protect the active material of positive and negative electrode
The deterioration of active material caused by the reaction on surface.
In addition, the high-temperature electric capacity and lithium battery that can effectively promote lithium battery are in high temperature height using above-mentioned polymer film
Cycle life under voltage.
Detailed description of the invention
It is detailed now in conjunction with attached drawing for above and other purpose, feature, advantage and embodiment of the invention can be clearer and more comprehensible
Carefully it is described as follows:
The lithium battery that Fig. 1 is painted the embodiment of the present invention 1, embodiment 2, comparative example 1 and comparative example 2 is recycled at room temperature
The result of test.
Fig. 2 is painted the knot that the embodiment of the present invention 1 carries out loop test to embodiment 4 and comparative example 1 under high temperature high voltage
Fruit.
Specific embodiment
It is an object of the invention to improve the performance of the solid electrolyte membrane for the lithium battery being currently known.The solid-state electricity
Plasma membrane is solved during the charge and discharge of battery, electrode surface is formed in by the substance in electrolyte, with the activity in guard electrode
Substance.The present invention proposes a kind of system of lithium battery polymer for being used to be formed above-mentioned solid electrolyte membrane (claiming polymer film afterwards)
Make method, lithium battery electrolytes and lithium battery using this lithium battery polymer.
The manufacturing method of lithium battery of the invention polymer is to select the Malaysia acyl of specific structure and specific use ratio
Group with imine moiety and at least one diamine compound are reacted and are made.Such lithium battery dissolves in lithium battery with polymer
In the solvent of electrolyte, increase lithium ion conductibility.Furthermore the polymer of electrode of lithium cell is formed using above-mentioned electrolyte
Film is not only able to the electrode of protection lithium battery, the high-temperature electric capacity that can more improve lithium battery and the circulation under high temperature high voltage
Service life.It is said individually below for manufacturing method, lithium battery electrolytes and the lithium battery of lithium battery of the invention polymer
It is bright.
The manufacturing method of lithium battery polymer
Above-mentioned manufacturing method is contained in the presence of organic acid, makes maleimide compound and at least one two amine compounds
The mixture of object carries out polymerization reaction up to 96 hours to 144 hours, the lithium battery polymer is made.
The structure of above-mentioned maleimide compound includes at least two maleimide amine units.Specifically, in Malaysia
Include the maleimide amine unit of two or more in the molecular structure of imide compound, contributes to form lithium battery polymerization
Object.Therefore, the present invention excludes to carry out polymerization reaction using the maleimide for containing only single a maleimide amine unit.
The molar ratio of maleimide compound in said mixture and at least one diamine compound be 1:1 extremely
3:1.If the maleimide compound in mixture is very few, the structure that will cause lithium battery polymer is imperfect, rear
It is continuous when being applied in lithium battery electrolytes, can not effective protection lithium battery electrode.On the other hand, if diamines in mixture
Compound is very few, and the conductibility of obtained polymer film lithium ion is poor, deteriorates the performance of lithium battery, in addition, excessive Malaysia
The film forming that acid imide will also result in lithium battery polymer is bad, is unfavorable for forming aftermentioned polymer film and influences lithium battery
Property.
Above-mentioned reaction time controls the molecular weight of polymerize lithium battery polymer, therefore time deficiency can not be made and have
The lithium battery polymer of appropriate configuration.And if overlong time, polymerization reaction have reached saturation without continuing.In some realities
It applies in example, the weight average molecular weight of the lithium battery polymer is 20,000 to 1,000,000.Preferably, the lithium electricity
The weight average molecular weight of pond polymer is 45,000 to 740,000.
In some embodiments, the reaction temperature of aforementioned polymeric reaction is 100 DEG C to 130 DEG C.Specifically, of the invention
Manufacturing method controls type, ratio, reaction time and the reaction temperature of maleimide compound and diamine compound, thus
It can get the preferable lithium battery polymer of film forming, in favor of forming polymer film on the electrode.
In some embodiments, the maleimide compound can have ties as shown in following formula (I-1) or formula (I-2)
Structure:
In formula (I-1), R1For-RCH2R-、-RNH2R-、-C(O)CH2-、-CH2OCH2-、-C(O)-、 -O-、-O-O-、-
S-、-S-S-、-S(O)-、-CH2S(O)CH2-、-(O)S(O)-、-C6H4-、 -CH2(C6H4)CH2-、-CH2(C6H4) (O)-, stretch benzene
Base, stretch xenyl, replace stretch phenyl or it is substituted stretch xenyl, wherein R is the alkylidene of carbon number 1 to 6；And
In formula (I-2), R2Representative-RCH2,-C (O)-,-C (CH3)2,-O- ,-O-O- ,-S- ,-S-S-,
OrOrWherein n be 1 to
3 integer.
Specifically, the maleimide compound may include N, bismaleimide -4 N ' -, 4 '-diphenyl are for first
Alkane (N, N '-bismaleimide-4,4 '-diphenylmethane；Formula (I-3)), 1,1 '-(Asia di-2-ethylhexylphosphine oxide -4,1- benzene
Base) bismaleimide " 1,1 '-(methylenedi-4,1-phenylene) bismaleimide ", N, N '-(1,1 '-two
Phenyl -4,4 '-dimethylene) bismaleimide " N, N '-(1,1 '-biphenyl-4,4 '-diyl) bismaleimide ",
N, N '-(4- methyl-1,3- phenylene) bismaleimide " N, N '-(4-methyl-1,3-phenylene)
Bismaleimide ", 1,1 '-(3,3 '-dimethyl -1,1 '-diphenyl -4,4 '-dimethylene) bismaleimide " 1,1 ' -
(3,3 ' dimethyl-1,1 '-biphenyl-4,4 '-diyl) bismaleimide ", N, N '-vinyl dimaleimide
(N, N '-ethylenedimaleimide), N, N '-(1,2- phenylene) dimaleimide " N, N '-(1,2-phenylene)
Dimaleimide ", N, N '-(1,3- phenylene) dimaleimide " N, N '-(1,3-phenylene) dimaleimide ",
N, N '-bismaleimide sulphur (N, N '-thiodimaleimid), N, two sulphur of N '-bismaleimide (N, N '-
Dithiodimaleimid), N, N '-bismaleimide ketone (N, N '-ketonedimaleimid), N, N '-methylene span
Come acid imide (N, N '-methylene-bis-maleinimid), bismaleimide first-ether (bis-
Maleinimidomethyl-ether), 1,2- dimaleoyl imino -1,2- ethylene glycol " 1,2-bis- (maleimido) -1,
2-ethandiol ", N, N ' -4,4 '-diphenyl ether-bismaleimide (' -4,4 ' N, N-diphenylether-bis-
) and 4,4 '-bismaleimide-diphenyl sulphone (DPS) " 4,4 '-bis (maleimido)-diphenylsulfone ", benzene maleimid
Oligomer (formula (I-4)), bisphenol-A diphenyl ether bismaleimide (the Bisphenol A of methylmethane maleimide
diphenyl ether bismaleimide；Formula (I-5)) or such as formula (I-6) compound represented, wherein formula (I-6)
Compound is synthesized with reference to TaiWan, China patent announcement I335917 a case.
In one preferably example, formula (I-3) is can be selected to shown in formula (I-6) in maleimide compound of the invention
Compound.
In some embodiments, at least one diamine compound includes the structure as shown in following formula (II):
In formula (II), R3Representative-CH2-、-C(CH3)2C6H4C(CH3)-、-O-、-S-、-SO2Or-OC6H4C(CH3)
C6H4O-。
Preferably, bis- (4- aminocarbonyl phenyl) sulfonic acid (Bis (4-aminophenyl) Sulfone can be selected in diamine compound；
) or 4,4 '-methylene dianiline (MDA) (4,4'-Methylenedianiline DDS；MDA).
Preferably, lithium battery polymer contains sulfonic group (such as using containing sulfonic maleimide compound
And/or diamine compound synthesizes).When above-mentioned lithium battery polymer is applied to form polymer film, to the biography of lithium ion
The property led is preferable, so as to promote the performance of lithium battery.
In some embodiments, after maleimide compound and diamine compound are dissolved in solvent, mixing is carried out mutually
Polymerization reaction above-mentioned.The solvent may be, for example, metacresol (m-cresol).
It illustrates, not siliceous in lithium battery polymer of the invention (or without using siliceous maleimide
Amine compounds are polymerize), because siliceous polymer has the shortcomings that lithium-ion-conducting is poor.
Lithium battery electrolytes
It include electrolyte, above-mentioned lithium battery polymer and solvent in lithium battery electrolytes of the invention.With lithium battery
The usage amount of electrolyte is 100 parts by weight, and the usage amount of the lithium battery polymer is 0.2 parts by weight to 2 parts by weight.?
In one embodiment, this polymer is dissolved in the solvent of lithium battery electrolytes.If the usage amount of lithium battery polymer is very few,
The efficiency for being then formed by polymer film protection electrode of lithium cell is bad, and electrode of lithium cell is caused to be damaged in charge and discharge process
Evil.On the other hand, when containing excessive lithium battery polymer in lithium battery electrolytes, the solubility of this polymer is reduced, no
Conducive to the progress of the electrochemical reaction of lithium battery.
Present invention electrolyte referred to herein may include the common alkaline metal salt electrolyte applied to lithium battery, have no
Especially limitation.For example, the alkaline metal salt electrolyte may include LiPF6、LiBF4、LiAsF6、LiSbF6、LiClO4、
LiAlCl4、LiGaCl4、LiNO3、LiC(SO2CF3)3、LiN(SO2CF3)2、 LiSCN、LiO3SCF2CF3、LiC6F5SO3、
LiO2CCF3、LiSO3F、Li(C6H5)4Or LiCF3SO3.In one embodiment, with the usage amount of lithium battery electrolytes for 100 weight
Part, the usage amount of electrolyte is 10 parts by weight to 20 parts by weight.
Present invention solvent referred to herein may include the carboxylic acid alkyl ester that carbon number is 3 to 5.Specifically, solvent may include
But it is not limited to ethylene carbonate (Ethylene carbonate；EC), propene carbonate (Propylene carbonate；PC),
Butylene (Butylene carbonate), dimethyl carbonate (Dimethyl carbonate；DMC), carbonic acid diethyl
Base ester (Diethyl carbonate；DEC), methyl ethyl carbonate base ester (Ethyl methyl carbonate；EMC) or above-mentioned
Any combination.
In some embodiments, the solvent usage amount of lithium battery electrolytes is that electrolyte total amount deducts electrolyte and lithium battery
With the surplus of polymer.
Lithium battery
Lithium battery pack electrode containing lithiated transition metal oxides of the invention, graphite electrode, separator, polymer film and on
The lithium battery electrolytes stated.Separator is arranged between lithiated transition metal oxides electrode and graphite electrode.The polymer
The surface of film covering lithiated transition metal oxides electrode and graphite electrode.The polymer film is by lithium battery electrolytes
Lithium battery polymer is formed in the charge and discharge process of lithium battery.
In some embodiments, lithiated transition metal oxides electrode is by the transition metal element of lithium and one or more
Composite oxides are formed.The transition metal element may include but be not limited to cobalt, aluminium, manganese, chromium, iron, vanadium, titanium, zirconium, niobium, molybdenum,
Tungsten, copper, zinc, indium, lanthanum, cerium etc..
In one embodiment, the separator can be polymeric membrane.In general, such as polyethylene, polypropylene can be used
Polyolefin are waited to form the separator.There is no particular restriction herein by the present invention.
Illustrate the manufacturer of lithium battery polymer of the invention following with multiple Production Examples, Examples and Comparative Examples
Method, and lithium battery polymer is applied to lithium battery electrolytes (and in lithium battery) accessible effect.
Production Example 1: manufacture lithium battery polymer
By 1.861 grams (0.0075 mole) of bis- (4- aminocarbonyl phenyl) sulfonic acid (DDS) and 0.496 gram (0.0025 mole)
4,4 '-methylene dianiline (MDA)s (MDA) are dissolved in 13 grams of metacresol.Then, by 5.375 grams of (0.015 moles) such as above formula (I-
4) maleimide (n 1) is dissolved in 20 grams of metacresol, and is mixed with the solution of above-mentioned diamine compound, and is added and is urged
The glacial acetic acid of change amount.It is reacted 96 hours at 103 DEG C.After ethanol precipitation, cleaning and drying, the lithium electricity of Production Example 1 can get
Pond polymer.
Production Example 2 is to Production Example 8
Production Example 2 to Production Example 8 is carried out according to mode identical with Production Example 1.Unlike, Production Example 2 to manufacture
Example 8 change used in the type of maleimide compound and/or diamine compound, molar ratio, reaction temperature and/or anti-
Between seasonable.Actual conditions about Production Example 2 to Production Example 8 are known as shown in table 1, are not repeated separately herein.
Table 1
Embodiment 1: lithium battery
The lithium battery of embodiment 1 is anode with NMC (111) electrode, and graphite electrode is cathode, and electricity is added in lithium battery
Solve liquid.The composition of electrolyte includes the LiPF of about 12.5 parts by weight6Electrolyte, about 0.5 parts by weight Production Example 1 lithium battery use
The solvent of polymer and 87 parts by weight.Solvent is ethylene carbonate (EC), methyl ethyl carbonate base ester (EMC) and carbonic acid dimethyl
Mixed solution composed by volume ratio of the ester (DMC) with 1:1:1.
(1) room temperature cycles are tested
By under the lithium battery of embodiment 1 at room temperature (25 DEG C), loop test is carried out with the voltage of 3.0V to 4.2V, with inspection
Survey variation of the capacitance of the lithium battery of embodiment 1 under the increase of room temperature cycles number.Result about room temperature cycles test
It knows as shown in Figure 1.In general, the variation of capacitance is smaller better under more cycle-indexes.
(2) high temperature high voltage cycle is tested
By the lithium battery of embodiment 1 at 60 DEG C, loop test is carried out with 3.0V to 4.3V, to detect the lithium of embodiment 1
Variation of the capacitance of battery under the increase of high temperature high voltage cycle number.Result about the test of high temperature high voltage cycle is known
As shown in Figure 2.In general, the variation of capacitance is smaller better under more cycle-indexes.
Embodiment 2 is to embodiment 8
Embodiment 2 to embodiment 8 is carried out using method same as Example 1, unlike, embodiment 2 to implementation
Example 8 changes used lithium battery polymer.Embodiment 2 to embodiment 8 lithium battery with polymer be sequentially control manufacture
Example 2 is to embodiment 8, not otherwise stated herein.About the evaluation result of embodiment 1 to embodiment 4, such as Fig. 1 and/or Fig. 2 institute
Show.Though the non-illustrated embodiments 5 of the present invention are to the evaluation result of embodiment 8, so after tested, the evaluation knot of embodiment 5 to embodiment 8
Fruit is similar to embodiment 1 to embodiment 4.
Comparative example 1
Comparative example 1 is carried out using mode same as Example 1, unlike, it is not added in the electrolyte of comparative example 1
Lithium battery polymer.About the evaluation result of comparative example 1, as depicted in figs. 1 and 2.
Comparative example 2
Comparative example 2 is carried out using mode same as Example 1, unlike, the lithium battery in embodiment 1 is used poly-
It closes object and is substituted by bismaleimide monomer.About the evaluation result of comparative example 1, as shown in Figure 1.
It please refer to Fig. 1, be to be painted the embodiment of the present invention 1 (line segment 110), embodiment 2 (line segment 120), comparative example 1
The lithium battery of (line segment 130) and comparative example 2 (line segment 140) carries out the result of loop test at room temperature.Such as the line segment 110 of Fig. 1
Shown in embodiment 1 and embodiment 2 with line segment 120, synthesized by the manufacturing method using lithium battery polymer of the invention
Lithium battery polymer when, the capacitance of lithium battery at room temperature is about 475mAh to about 480mAh, and in 50 charge and discharges
In electricity circulation, capacitance does not fail substantially.On the other hand, as shown in the comparative example 1 of the line segment of Fig. 1 130, although being not added with this hair
The capacitance of the lithium battery of bright lithium battery polymer is suitable with the embodiment of the present invention, but subsequent in high temperature high voltage test
Shi Ze performs poor (as shown in Figure 2).In addition, replacing lithium battery polymer of the invention using bismaleimide monomer
The capacitance of comparative example 2 (line segment 140) is lower (being lower than 470mAh), and after 5 to 10 charge and discharge cycles, capacitance is opened
Beginning declines to a great extent.
Then, referring to FIG. 2, its be painted the embodiment of the present invention 1 to embodiment 4 (respectively line segment 110, line segment 120,
Line segment 150 and line segment 160) and comparative example 1 (line segment 130) result of loop test is carried out under high temperature high voltage.Such as the line of Fig. 2
Shown in section 110, line segment 120, line segment 150 and line segment 160, using lithium battery polymer of the invention, lithium battery is in high temperature height
Through about 75 to 90 circulations under voltage, capacitance only slowly declines about 10%.However, not adding as shown in the line segment 130 of Fig. 2
Add the comparative example 1 of lithium battery polymer after about 55 loop tests, capacitance rapid decrease 10%, therefore compare
It is bad compared with property of the lithium battery of example 1 under high temperature high voltage.
Lithium battery polymer obtained by manufacturing method using lithium battery polymer of the invention, dissolves in electrolysis
In the solvent of liquid, and good polymer film is formed on the electrode of lithium battery.This lithium battery polymer not only has well
Film forming, when can more promote the conduction of lithium ion, improve capacitance when high temperature (especially) and high temperature high voltage of lithium battery
Cycle life.
Although the present invention is disclosed as above with several embodiments, however, it is not to limit the invention, belonging to the present invention
Any technical staff in technical field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations,
Therefore subject to protection scope of the present invention ought be defined depending on claim.
Claims (10)
1. a kind of manufacturing method of lithium battery polymer, characterized by comprising:
In the presence of organic acid, the mixture of maleimide compound and at least one diamine compound is made polymerize instead
Should up to 96 hours to 144 hours, the lithium battery polymer is made,
Wherein the structure of the maleimide compound includes at least two maleimide amine units, the institute in the mixture
The molar ratio for stating maleimide compound and at least one diamine compound is 1:1 to 3:1.
2. the manufacturing method of lithium battery polymer as described in claim 1, which is characterized in that the reaction of the polymerization reaction
Temperature is 100 DEG C to 130 DEG C, and the organic acid includes acetic acid.
3. the manufacturing method of lithium battery polymer as described in claim 1, which is characterized in that the lithium battery polymer
Weight average molecular weight be 20,000 to 1,000,000.
4. the manufacturing method of lithium battery polymer as described in claim 1, which is characterized in that the maleimide chemical combination
Object has the structure as shown in following formula (I-1) or formula (I-2):
In the formula (I-1), the R1For-RCH2R-、-RNH2R-、-C(O)CH2-、-CH2OCH2-、-C(O)-、-O-、-O-
O-、-S-、-S-S-、-S(O)-、-CH2S(O)CH2-、-(O)S(O)-、-C6H4-、-CH2(C6H4)CH2-、-CH2(C6H4)(O)-、
Stretch phenyl, stretch xenyl, replace stretch phenyl or it is substituted stretch xenyl, wherein the R is the alkylidene of carbon number 1 to 6；And
In the formula (I-2), the R2Representative-RCH2,-C (O)-,-C (CH3)2,-O- ,-O-O- ,-S- ,-S-S- ,-(O) S
(O)-, or-S (O)-, It is wherein described
N is integer of 1 to 3.
5. the manufacturing method of lithium battery polymer as described in claim 1, which is characterized in that at least one two amination
Closing object includes the structure as shown in following formula (II):
In the formula (II), the R3Representative-CH2-、-C(CH3)2C6H4C(CH3)-、-O-、-S-、-SO2Or-OC6H4C
(CH3)C6H4O-。
6. a kind of lithium battery electrolytes, characterized by comprising:
Electrolyte；
Lithium battery polymer, as obtained by the manufacturing method such as the lithium battery polymer of any one of claims 1 to 5；
And
Solvent,
Wherein with the usage amount of the lithium battery electrolytes for 100 parts by weight, the usage amount of the lithium battery polymer is 0.2
Parts by weight are to 2 parts by weight.
7. lithium battery electrolytes as claimed in claim 6, which is characterized in that the usage amount with the lithium battery electrolytes is
100 parts by weight, the usage amount of the electrolyte is 10 parts by weight to 20 parts by weight, and the electrolyte includes alkaline metal salt electricity
Xie Zhi.
8. lithium battery electrolytes as claimed in claim 6, which is characterized in that the solvent includes the carbonic acid hydrocarbon that carbon number is 3 to 5
Base ester.
9. lithium battery electrolytes as claimed in claim 6, which is characterized in that the lithium battery is dissolved in the solvent with polymer
In.
10. a kind of lithium battery, characterized by comprising:
Lithiated transition metal oxides electrode；
Graphite electrode；
Separator is set between the lithiated transition metal oxides electrode and the graphite electrode；
Polymer film covers the surface of the lithiated transition metal oxides electrode and the graphite electrode；And
Such as the described in any item lithium battery electrolytes of claim 6 to 9,
Wherein the polymer film is by the lithium battery polymer in the lithium battery electrolytes in the charge and discharge of lithium battery
Formed in journey.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107106412A TWI658068B (en) | 2018-02-26 | 2018-02-26 | Method of forming polymer for lithium battery, electrolyte and lithium battery |
| TW107106412 | 2018-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108929437A true CN108929437A (en) | 2018-12-04 |
| CN108929437B CN108929437B (en) | 2021-08-17 |
Family
ID=64445823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810900565.3A Active CN108929437B (en) | 2018-02-26 | 2018-08-09 | Method for producing polymer for lithium battery, lithium battery electrolyte, and lithium battery |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6754535B2 (en) |
| CN (1) | CN108929437B (en) |
| TW (1) | TWI658068B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011043805A (en) * | 2009-07-22 | 2011-03-03 | Chisso Corp | New composition and method for producing the same |
| JP2012255058A (en) * | 2011-06-07 | 2012-12-27 | Sumitomo Bakelite Co Ltd | Resin composition, prepreg, and method of producing the prepreg |
| CN105244539A (en) * | 2014-07-09 | 2016-01-13 | 江苏华东锂电技术研究院有限公司 | Additive, electrolyte solution and lithium ion battery |
| CN105576245A (en) * | 2014-10-17 | 2016-05-11 | 江苏华东锂电技术研究院有限公司 | Lithium ion battery |
| CN105762336A (en) * | 2014-12-19 | 2016-07-13 | 江苏华东锂电技术研究院有限公司 | An anode composite material, a preparing method thereof and a lithium ion battery |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2584634B2 (en) * | 1987-08-06 | 1997-02-26 | 日本化薬株式会社 | Manufacturing method of high molecular weight polyimide |
| JP5149917B2 (en) * | 2009-03-27 | 2013-02-20 | 日立化成工業株式会社 | Thermosetting resin composition, and prepreg, laminate and multilayer printed wiring board using the same |
| JP6899636B2 (en) * | 2016-08-31 | 2021-07-07 | 三井化学株式会社 | Low-dielectric resin composition, cured product, dry film, film, prepreg, metal-clad laminate, printed wiring board and electronic equipment |
-
2018
- 2018-02-26 TW TW107106412A patent/TWI658068B/en active
- 2018-08-09 CN CN201810900565.3A patent/CN108929437B/en active Active
- 2018-08-27 JP JP2018158200A patent/JP6754535B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011043805A (en) * | 2009-07-22 | 2011-03-03 | Chisso Corp | New composition and method for producing the same |
| JP2012255058A (en) * | 2011-06-07 | 2012-12-27 | Sumitomo Bakelite Co Ltd | Resin composition, prepreg, and method of producing the prepreg |
| CN105244539A (en) * | 2014-07-09 | 2016-01-13 | 江苏华东锂电技术研究院有限公司 | Additive, electrolyte solution and lithium ion battery |
| CN105576245A (en) * | 2014-10-17 | 2016-05-11 | 江苏华东锂电技术研究院有限公司 | Lithium ion battery |
| CN105762336A (en) * | 2014-12-19 | 2016-07-13 | 江苏华东锂电技术研究院有限公司 | An anode composite material, a preparing method thereof and a lithium ion battery |
Non-Patent Citations (1)
| Title |
|---|
| 丁孟贤: "《聚酰亚胺：化学、结构与性能的关系及材料》", 30 September 2006, 北京：科学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108929437B (en) | 2021-08-17 |
| JP6754535B2 (en) | 2020-09-16 |
| TWI658068B (en) | 2019-05-01 |
| JP2019149363A (en) | 2019-09-05 |
| TW201936712A (en) | 2019-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102142585B (en) | Overcharge inhibitor, and nonaqueous electrolyte solution and secondary battery using the same | |
| US20170214048A1 (en) | Lithium ion battery | |
| CN105244539B (en) | additive, electrolyte solution and lithium ion battery | |
| CN107078338A (en) | Lithium secondary battery | |
| EP3051613A1 (en) | Polyimide binder for power storage device, electrode sheet using same, and power storage device | |
| CN104269513B (en) | Anode composite material and lithium ion battery with and preparation method thereof | |
| CN102576860A (en) | Negative electrode for non-aqueous secondary battery, and process for production thereof | |
| TW201248969A (en) | Non-aqueous electrolyte and lithium secondary battery including the same | |
| US20170288261A1 (en) | Anode composite material, method for making the same, and lithium ion battery | |
| EP3352281A1 (en) | Nonaqueous electrolyte solution and nonaqueous electrolyte secondary battery | |
| US20150171471A1 (en) | Lithium battery and electrolyte additive for lithium battery | |
| EP3817119A1 (en) | Electrolyte composition, electrolyte film, and method of manufacturing electrolyte film | |
| CN105720244A (en) | Positive electrode composite material and lithium ion battery and preparation methods therefor | |
| US20190379046A1 (en) | Oligomer-polymer and lithium battery | |
| CN110431696A (en) | Secondary cell adhesive composition | |
| CN105336982B (en) | Lithium ion battery safe additive, electrolyte and lithium ion battery | |
| CN105449217A (en) | Positive electrode composite and lithium ion battery | |
| CN108929437A (en) | Method for producing polymer for lithium battery, lithium battery electrolyte, and lithium battery | |
| JP6652946B2 (en) | Gel electrolyte and precursor composition thereof, and battery | |
| CN112358465B (en) | Compound, electrolyte composed of compound and lithium ion battery | |
| Baskoro et al. | High-performance aramid electrodes for high-rate and long cycle-life organic Li-ion batteries | |
| KR100566915B1 (en) | Positive electrode for lithium secondary battery with enhanced electrode?s adhesion using lithium manganese oxide | |
| US20190248958A1 (en) | Preparation method of oligomer additive, oligomer additive, and lithium battery | |
| US12027666B2 (en) | Electrolyte composition, electrolyte film, and method of manufacturing electrolyte film | |
| JP7387416B2 (en) | Solid electrolytes, solid electrolyte membranes, electrodes and alkali metal batteries |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |