CN1665050A - 正极和电池 - Google Patents
正极和电池 Download PDFInfo
- Publication number
- CN1665050A CN1665050A CN2005100656327A CN200510065632A CN1665050A CN 1665050 A CN1665050 A CN 1665050A CN 2005100656327 A CN2005100656327 A CN 2005100656327A CN 200510065632 A CN200510065632 A CN 200510065632A CN 1665050 A CN1665050 A CN 1665050A
- Authority
- CN
- China
- Prior art keywords
- active material
- lithium
- material layer
- anode active
- positive electrode
- 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
- 239000006183 anode active material Substances 0.000 claims abstract description 135
- 239000011248 coating agent Substances 0.000 claims abstract description 54
- 238000000576 coating method Methods 0.000 claims abstract description 54
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 36
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 36
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 35
- 239000000956 alloy Substances 0.000 claims abstract description 35
- 239000000126 substance Substances 0.000 claims abstract description 28
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 25
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 claims description 173
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 134
- 238000000034 method Methods 0.000 claims description 64
- 238000005229 chemical vapour deposition Methods 0.000 claims description 41
- 230000015572 biosynthetic process Effects 0.000 claims description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 24
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 23
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 22
- 239000003792 electrolyte Substances 0.000 claims description 22
- 229910052732 germanium Inorganic materials 0.000 claims description 22
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052718 tin Inorganic materials 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 21
- 238000000151 deposition Methods 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 abstract description 4
- 238000001947 vapour-phase growth Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 125
- 230000000052 comparative effect Effects 0.000 description 72
- 210000004027 cell Anatomy 0.000 description 58
- 208000028659 discharge Diseases 0.000 description 36
- 239000000463 material Substances 0.000 description 35
- 239000010408 film Substances 0.000 description 27
- 230000014759 maintenance of location Effects 0.000 description 24
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 21
- 239000007774 positive electrode material Substances 0.000 description 20
- 229910052751 metal Inorganic materials 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 13
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 12
- 230000004888 barrier function Effects 0.000 description 12
- -1 lithium metals Chemical class 0.000 description 12
- 239000011261 inert gas Substances 0.000 description 11
- 238000002161 passivation Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000005275 alloying Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000011149 active material Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000007850 degeneration Effects 0.000 description 7
- 230000008021 deposition Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000001771 vacuum deposition Methods 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 6
- 239000007769 metal material Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- CONKBQPVFMXDOV-QHCPKHFHSA-N 6-[(5S)-5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-2-oxo-1,3-oxazolidin-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C[C@H]1CN(C(O1)=O)C1=CC2=C(NC(O2)=O)C=C1 CONKBQPVFMXDOV-QHCPKHFHSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000016507 interphase Effects 0.000 description 5
- 229910003002 lithium salt Inorganic materials 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 5
- 210000002966 serum Anatomy 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 239000011532 electronic conductor Substances 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 229910001947 lithium oxide Inorganic materials 0.000 description 4
- 159000000002 lithium salts Chemical class 0.000 description 4
- 238000001465 metallisation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 239000011258 core-shell material Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 229910001413 alkali metal ion Inorganic materials 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011245 gel electrolyte Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
- KZEVSDGEBAJOTK-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[5-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CC=1OC(=NN=1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O KZEVSDGEBAJOTK-UHFFFAOYSA-N 0.000 description 1
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 1
- VWVRASTUFJRTHW-UHFFFAOYSA-N 2-[3-(azetidin-3-yloxy)-4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound O=C(CN1C=C(C(OC2CNC2)=N1)C1=CN=C(NC2CC3=C(C2)C=CC=C3)N=C1)N1CCC2=C(C1)N=NN2 VWVRASTUFJRTHW-UHFFFAOYSA-N 0.000 description 1
- SXAMGRAIZSSWIH-UHFFFAOYSA-N 2-[3-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,2,4-oxadiazol-5-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NOC(=N1)CC(=O)N1CC2=C(CC1)NN=N2 SXAMGRAIZSSWIH-UHFFFAOYSA-N 0.000 description 1
- NPHULPIAPWNOOH-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(2,3-dihydroindol-1-ylmethyl)pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)CN1CCC2=CC=CC=C12 NPHULPIAPWNOOH-UHFFFAOYSA-N 0.000 description 1
- XXZCIYUJYUESMD-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(morpholin-4-ylmethyl)pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)CN1CCOCC1 XXZCIYUJYUESMD-UHFFFAOYSA-N 0.000 description 1
- WWSJZGAPAVMETJ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-ethoxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OCC WWSJZGAPAVMETJ-UHFFFAOYSA-N 0.000 description 1
- LPZOCVVDSHQFST-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-ethylpyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)CC LPZOCVVDSHQFST-UHFFFAOYSA-N 0.000 description 1
- HVTQDSGGHBWVTR-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-phenylmethoxypyrazol-1-yl]-1-morpholin-4-ylethanone Chemical compound C(C1=CC=CC=C1)OC1=NN(C=C1C=1C=NC(=NC=1)NC1CC2=CC=CC=C2C1)CC(=O)N1CCOCC1 HVTQDSGGHBWVTR-UHFFFAOYSA-N 0.000 description 1
- FYELSNVLZVIGTI-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-5-ethylpyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1CC)CC(=O)N1CC2=C(CC1)NN=N2 FYELSNVLZVIGTI-UHFFFAOYSA-N 0.000 description 1
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- JQMFQLVAJGZSQS-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JQMFQLVAJGZSQS-UHFFFAOYSA-N 0.000 description 1
- IHCCLXNEEPMSIO-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 IHCCLXNEEPMSIO-UHFFFAOYSA-N 0.000 description 1
- ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2 ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 0.000 description 1
- JVKRKMWZYMKVTQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JVKRKMWZYMKVTQ-UHFFFAOYSA-N 0.000 description 1
- VXZBYIWNGKSFOJ-UHFFFAOYSA-N 2-[4-[5-(2,3-dihydro-1H-inden-2-ylamino)pyrazin-2-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC=1N=CC(=NC=1)C=1C=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2 VXZBYIWNGKSFOJ-UHFFFAOYSA-N 0.000 description 1
- YJLUBHOZZTYQIP-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=N2 YJLUBHOZZTYQIP-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- MGGVALXERJRIRO-UHFFFAOYSA-N 4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-2-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-1H-pyrazol-5-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)O MGGVALXERJRIRO-UHFFFAOYSA-N 0.000 description 1
- WTFUTSCZYYCBAY-SXBRIOAWSA-N 6-[(E)-C-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-N-hydroxycarbonimidoyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C/C(=N/O)/C1=CC2=C(NC(O2)=O)C=C1 WTFUTSCZYYCBAY-SXBRIOAWSA-N 0.000 description 1
- DFGKGUXTPFWHIX-UHFFFAOYSA-N 6-[2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]acetyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)C1=CC2=C(NC(O2)=O)C=C1 DFGKGUXTPFWHIX-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- 229910004706 CaSi2 Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910019001 CoSi Inorganic materials 0.000 description 1
- 229910019974 CrSi Inorganic materials 0.000 description 1
- 229910005329 FeSi 2 Inorganic materials 0.000 description 1
- 229910006115 GeF Inorganic materials 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229910005829 GeS Inorganic materials 0.000 description 1
- 229910005839 GeS 2 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 229910012573 LiSiO Inorganic materials 0.000 description 1
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- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例1-1 | 硅(Si) | 有 | 5 | 有 | 95.2 | 0.152 |
实例1-2 | 95.1 | |||||
实例1-3 | 95.1 | |||||
实例1-4 | 95.1 | |||||
实例1-5 | 94.8 | |||||
对比例1-1 | 硅(Si) | 无 | 5 | 有 | 94.5 | 0.442 |
对比例1-2 | 93.8 | |||||
对比例1-3 | 93.8 | |||||
对比例1-4 | 93.6 | |||||
对比例1-5 | 93.3 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 |
实例2-1 | 硅(Si) | 有 | 10 | 有 | 97.4 | 0.187 |
实例2-2 | 97.3 | |||||
实例2-3 | 97.2 | |||||
实例2-4 | 97.2 | |||||
实例2-5 | 96.9 | |||||
对比例2-1 | 硅(Si) | 无 | 10 | 有 | 96.7 | 1.390 |
对比例2-2 | 96.2 | |||||
对比例2-3 | 94.4 | |||||
对比例2-4 | 94.3 | |||||
对比例2-5 | 93.4 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例3-1 | 硅(Si) | 有 | 20 | 有 | 97.9 | 0.311 |
实例3-2 | 97.9 | |||||
实例3-3 | 97.7 | |||||
实例3-4 | 97.4 | |||||
实例3-5 | 97.2 | |||||
对比例3-1 | 硅(Si) | 无 | 20 | 有 | 96.6 | 1.503 |
对比例3-2 | 95.3 | |||||
对比例3-3 | 95.0 | |||||
对比例3-4 | 94.3 | |||||
对比例3-5 | 92.5 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例4-1 | 硅(Si) | 有 | 30 | 有 | 96.3 | 0.402 |
实例4-2 | 95.9 | |||||
实例4-3 | 95.7 | |||||
实例4-4 | 95.4 | |||||
实例4-5 | 95.3 | |||||
对比例4-1 | 硅(Si) | 无 | 30 | 有 | 95.8 | 1.842 |
对比例4-2 | 94.3 | |||||
对比例4-3 | 94.0 | |||||
对比例4-4 | 91.9 | |||||
对比例4-5 | 91.3 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例5-1 | 锗(Ge) | 有 | 5 | 有 | 90.4 | 0.217 |
实例5-2 | 90.2 | |||||
实例5-3 | 90.0 | |||||
实例5-4 | 89.9 | |||||
实例5-5 | 89.9 | |||||
对比例5-1 | 锗(Ge) | 无 | 5 | 有 | 89.6 | 0.661 |
对比例5-2 | 88.9 | |||||
对比例5-3 | 88.7 | |||||
对比例5-4 | 88.4 | |||||
对比例5-5 | 87.8 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例6-1 | 锗(Ge) | 有 | 10 | 有 | 92.3 | 0.261 |
实例6-2 | 92.3 | |||||
实例6-3 | 92.1 | |||||
实例6-4 | 91.9 | |||||
实例6-5 | 91.7 | |||||
对比例6-1 | 锗(Ge) | 无 | 10 | 有 | 91.8 | 1.458 |
对比例6-2 | 91.5 | |||||
对比例6-3 | 90.1 | |||||
对比例6-4 | 88.9 | |||||
对比例6-5 | 88.6 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 |
实例7-1 | 锗(Ge) | 有 | 20 | 有 | 91.8 | 0.259 |
实例7-2 | 91.5 | |||||
实例7-3 | 91.4 | |||||
实例7-4 | 91.3 | |||||
实例7-5 | 91.1 | |||||
对比例7-1 | 锗(Ge) | 无 | 20 | 有 | 90.5 | 1.587 |
对比例7-2 | 90.1 | |||||
对比例7-3 | 89.9 | |||||
对比例7-4 | 87.4 | |||||
对比例7-5 | 87.2 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例8-1 | 锗(Ge) | 有 | 30 | 有 | 94.4 | 0.418 |
实例8-2 | 94.0 | |||||
实例8-3 | 93.7 | |||||
实例8-4 | 93.6 | |||||
实例8-5 | 93.3 | |||||
对比例8-1 | 锗(Ge) | 无 | 30 | 有 | 93.2 | 1.632 |
对比例8-2 | 93.0 | |||||
对比例8-3 | 91.9 | |||||
对比例8-4 | 90.5 | |||||
对比例8-5 | 89.4 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例9-1 | 锡(Sn) | 有 | 5 | 有 | 55.5 | 0.130 |
实例9-2 | 55.3 | |||||
实例9-3 | 55.2 | |||||
实例9-4 | 55.2 | |||||
实例9-5 | 55.2 | |||||
对比例9-1 | 锡(Sn) | 无 | 5 | 有 | 55.5 | 0.402 |
对比例9-2 | 55.1 | |||||
对比例9-3 | 54.9 | |||||
对比例9-4 | 54.6 | |||||
对比例9-5 | 54.5 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例10-1 | 锡(Sn) | 有 | 10 | 有 | 59.3 | 0.182 |
实例10-2 | 59.1 | |||||
实例10-3 | 59.1 |
实例10-4 | 59.0 | |||||
实例10-5 | 58.8 | |||||
对比例10-1 | 锡(Sn) | 无 | 10 | 有 | 59.4 | 1.779 |
对比例10-2 | 59.0 | |||||
对比例10-3 | 56.9 | |||||
对比例10-4 | 55.8 | |||||
对比例10-5 | 55.5 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例11-1 | 锡(Sn) | 有 | 20 | 有 | 69.4 | 0.363 |
实例11-2 | 69.4 | |||||
实例11-3 | 69.2 | |||||
实例11-4 | 68.8 | |||||
实例11-5 | 68.6 | |||||
对比例11-1 | 锡(Sn) | 无 | 20 | 有 | 68.0 | 1.809 |
对比例11-2 | 67.8 | |||||
对比例11-3 | 66.5 | |||||
对比例11-4 | 65.0 | |||||
对比例11-5 | 63.8 |
正极活性材料 | 碳酸锂覆层 | 锂嵌入量(%) | 残留锂 | 容量保持率(%) | 标准偏差 | |
实例12-1 | 锡(Sn) | 有 | 30 | 有 | 78.3 | 0.396 |
实例12-2 | 77.8 | |||||
实例12-3 | 77.6 | |||||
实例12-4 | 77.4 | |||||
实例12-5 | 77.3 | |||||
对比例12-1 | 锡(Sn) | 无 | 30 | 有 | 77.5 | 1.832 |
对比例12-2 | 77.0 | |||||
对比例12-3 | 75.1 | |||||
对比例12-4 | 74.0 |
对比例12-5 | 73.3 |
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CN113366689B (zh) * | 2020-09-11 | 2022-07-22 | 宁德新能源科技有限公司 | 电化学装置和电子装置 |
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US9425441B2 (en) | 2016-08-23 |
EP1562250A3 (en) | 2007-03-21 |
KR20050077478A (ko) | 2005-08-02 |
JP2005216601A (ja) | 2005-08-11 |
JP4442235B2 (ja) | 2010-03-31 |
CN100479231C (zh) | 2009-04-15 |
US20050191547A1 (en) | 2005-09-01 |
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