CN1773766A - 电池 - Google Patents
电池 Download PDFInfo
- Publication number
- CN1773766A CN1773766A CNA2005101201244A CN200510120124A CN1773766A CN 1773766 A CN1773766 A CN 1773766A CN A2005101201244 A CNA2005101201244 A CN A2005101201244A CN 200510120124 A CN200510120124 A CN 200510120124A CN 1773766 A CN1773766 A CN 1773766A
- Authority
- CN
- China
- Prior art keywords
- active material
- material layer
- anode active
- superficial density
- electric energy
- 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 95
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 47
- 229910019060 CoSnC Inorganic materials 0.000 claims abstract description 42
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 54
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 30
- 229910017052 cobalt Inorganic materials 0.000 claims description 27
- 239000010941 cobalt Substances 0.000 claims description 27
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 17
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 11
- 229910052718 tin Inorganic materials 0.000 abstract description 17
- 239000006182 cathode active material Substances 0.000 abstract 4
- 239000011135 tin Substances 0.000 description 30
- 239000011258 core-shell material Substances 0.000 description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 21
- 239000000203 mixture Substances 0.000 description 20
- -1 lithium-aluminum-tin Chemical compound 0.000 description 17
- 230000008859 change Effects 0.000 description 14
- 238000004134 energy conservation Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 12
- 230000004888 barrier function Effects 0.000 description 11
- 239000008151 electrolyte solution Substances 0.000 description 11
- 238000004804 winding Methods 0.000 description 11
- 238000011109 contamination Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 9
- 150000002605 large molecules Chemical class 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000007774 positive electrode material Substances 0.000 description 8
- 239000007784 solid electrolyte Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 7
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000002033 PVDF binder Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 229910052738 indium Inorganic materials 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 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 4
- 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 4
- 229910002991 LiNi0.5Co0.2Mn0.3O2 Inorganic materials 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 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 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 229910013716 LiNi Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910001128 Sn alloy Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 3
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical class COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000009616 inductively coupled plasma Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052752 metalloid Chemical group 0.000 description 3
- 239000010955 niobium Substances 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910012820 LiCoO Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 2
- WDHWFGNRFMPTQS-UHFFFAOYSA-N cobalt tin Chemical compound [Co].[Sn] WDHWFGNRFMPTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 229910003480 inorganic solid Inorganic materials 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 1
- WDXYVJKNSMILOQ-UHFFFAOYSA-N 1,3,2-dioxathiolane 2-oxide Chemical compound O=S1OCCO1 WDXYVJKNSMILOQ-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 1
- PNWSHHILERSSLF-UHFFFAOYSA-N 4-methylbenzene-1,3-dicarboxylic acid Chemical compound CC1=CC=C(C(O)=O)C=C1C(O)=O PNWSHHILERSSLF-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910005887 NiSn Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- GRQJZSJOACLQOV-UHFFFAOYSA-N [Li].[N] Chemical compound [Li].[N] GRQJZSJOACLQOV-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 description 1
- CLDVQCMGOSGNIW-UHFFFAOYSA-N nickel tin Chemical compound [Ni].[Sn] CLDVQCMGOSGNIW-UHFFFAOYSA-N 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- 230000003595 spectral effect Effects 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- GZCWPZJOEIAXRU-UHFFFAOYSA-N tin zinc Chemical compound [Zn].[Sn] GZCWPZJOEIAXRU-UHFFFAOYSA-N 0.000 description 1
- 229910000597 tin-copper alloy Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/387—Tin or alloys based on tin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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Abstract
Description
正极表面密度(g/cm2) | 负极表面密度(g/cm2) | 表面密度比 | 初始放电电能 | 第100次循环时的放电电能 | 放电电能保持率 | ||||
(Wh) | 评价 | (Wh) | 评价 | (%) | 评价 | ||||
实施例1-1 | 45.9 | 16.5 | 2.78 | 2.76 | △ | 2.48 | ○ | 89.9 | ◎ |
实施例1-2 | 48.4 | 16.5 | 2.93 | 2.84 | ○ | 2.54 | ○ | 89.4 | ◎ |
实施例1-3 | 50.8 | 16.5 | 3.08 | 2.91 | ○ | 2.60 | ◎ | 89.3 | ◎ |
实施例1-4 | 53.3 | 16.5 | 3.23 | 2.98 | ◎ | 2.64 | ◎ | 88.6 | ◎ |
实施例1-5 | 56.8 | 16.5 | 3.44 | 3.01 | ◎ | 2.64 | ◎ | 87.7 | ◎ |
实施例1-6 | 60.1 | 16.5 | 3.64 | 3.05 | ◎ | 2.49 | ○ | 81.6 | ○ |
实施例1-7 | 62.7 | 16.5 | 3.80 | 3.11 | ◎ | 2.32 | △ | 74.6 | ○ |
正极表面密度(g/cm2) | 负极表面密度(g/cm2) | 表面密度比 | 初始放电电能 | 第100次循环时的放电电能 | 放电电能保持率 | ||||
(Wh) | 评价 | (Wh) | 评价 | (%) | 评价 | ||||
实施例2-1 | 49.1 | 16.9 | 2.91 | 2.86 | ○ | 2.51 | ○ | 87.8 | ◎ |
实施例2-2 | 51.5 | 16.9 | 3.05 | 2.93 | ◎ | 2.57 | ○ | 87.7 | ◎ |
实施例2-3 | 54.0 | 16.9 | 3.20 | 3.00 | ◎ | 2.61 | ◎ | 87.0 | ◎ |
实施例2-4 | 57.6 | 16.9 | 3.41 | 3.03 | ◎ | 2.61 | ◎ | 86.1 | ◎ |
实施例2-5 | 60.9 | 16.9 | 3.61 | 3.07 | ◎ | 2.46 | ○ | 80.1 | ○ |
实施例2-6 | 63.5 | 16.9 | 3.76 | 3.12 | ◎ | 2.28 | △ | 73.1 | ○ |
比较例2-1 | 46.5 | 16.9 | 2.76 | 2.78 | △ | 2.45 | △ | 88.1 | ◎ |
正极表面密度(g/cm2) | 负极表面密度(g/cm2) | 表面密度比 | 初始放电电能 | 第100次循环时的放电电能 | 放电电能保持率 | ||||
(Wh) | 评价 | (Wh) | 评价 | (%) | 评价 | ||||
实施例3-1 | 46.2 | 16.6 | 2.79 | 2.77 | △ | 2.46 | ○ | 88.8 | ◎ |
实施例3-2 | 48.7 | 16.6 | 2.94 | 2.85 | ○ | 2.53 | ○ | 88.8 | ◎ |
实施例3-3 | 51.1 | 16.6 | 3.09 | 2.92 | ◎ | 2.58 | ○ | 88.4 | ◎ |
实施例3-4 | 53.6 | 16.6 | 3.24 | 2.98 | ◎ | 2.62 | ◎ | 87.9 | ◎ |
实施例3-5 | 57.2 | 16.6 | 3.45 | 3.02 | ◎ | 2.62 | ◎ | 86.8 | ◎ |
实施例3-6 | 60.4 | 16.6 | 3.65 | 3.06 | ◎ | 2.47 | ○ | 80.7 | ○ |
实施例3-7 | 63.0 | 16.6 | 3.81 | 3.11 | ◎ | 2.30 | △ | 74.0 | ○ |
正极表面密度(g/cm2) | 负极表面密度(g/cm2) | 表面密度比 | 初始放电电能 | 第100次循环时的放电电能 | 放电电能保持率 | ||||
(Wh) | 评价 | (Wh) | 评价 | (%) | 评价 | ||||
实施例4-1 | 50.1 | 16.9 | 2.97 | 2.89 | ○ | 2.48 | ○ | 85.8 | ◎ |
实施例4-2 | 52.8 | 16.9 | 3.13 | 2.96 | ◎ | 2.54 | ○ | 85.8 | ◎ |
实施例4-3 | 55.5 | 16.9 | 3.29 | 3.03 | ◎ | 2.59 | ◎ | 85.5 | ◎ |
实施例4-4 | 58.1 | 16.9 | 3.45 | 3.10 | ◎ | 2.63 | ◎ | 84.8 | ○ |
实施例4-5 | 62.0 | 16.9 | 3.68 | 3.13 | ◎ | 2.62 | ◎ | 83.7 | ○ |
实施例4-6 | 65.6 | 16.9 | 3.89 | 3.17 | ◎ | 2.46 | ◎ | 77.6 | ○ |
比较例4-1 | 68.3 | 16.9 | 4.05 | 3.22 | ◎ | 2.28 | △ | 70.8 | △ |
正极表面密度(g/cm2) | 负极表面密度(g/cm2) | 表面密度比 | 初始放电电能 | 第100次循环时的放电电能 | 放电电能保持率 | ||||
(Wh) | 评价 | (Wh) | 评价 | (%) | 评价 | ||||
实施例5-1 | 46.4 | 16.5 | 2.81 | 2.78 | △ | 2.54 | ○ | 91.4 | ◎ |
实施例5-2 | 48.7 | 16.5 | 2.95 | 2.85 | ○ | 2.59 | ◎ | 90.9 | ◎ |
实施例5-3 | 51.9 | 16.5 | 3.15 | 2.88 | ○ | 2.59 | ◎ | 98.9 | ◎ |
实施例5-4 | 54.9 | 16.5 | 3.33 | 2.92 | ◎ | 2.45 | △ | 83.9 | ○ |
实施例5-5 | 57.2 | 16.5 | 3.47 | 2.98 | ◎ | 2.29 | △ | 76.8 | ○ |
比较例5-1 | 44.2 | 16.5 | 2.68 | 2.71 | × | 2.48 | ○ | 91.5 | ◎ |
比较例5-2 | 42.0 | 16.5 | 2.54 | 2.63 | × | 2.42 | △ | 92.0 | ◎ |
正极表面密度(g/cm2) | 负极表面密度(g/cm2) | 表面密度比 | 初始放电电能 | 第100次循放电电能环时的放保持率电电能 | |||||
(Wh) | 评价 | (Wh) | 评价 | (%) | 评价 | ||||
实施例6-1 | 48.9 | 17.1 | 2.86 | 2.85 | ○ | 2.70 | ◎ | 94.7 | ◎ |
实施例6-2 | 51.5 | 17.1 | 3.02 | 2.93 | ◎ | 2.77 | ◎ | 94.5 | ◎ |
实施例6-3 | 54.2 | 17.1 | 3.17 | 3.00 | ◎ | 2.82 | ◎ | 94.0 | ◎ |
实施例6-4 | 56.8 | 17.1 | 3.32 | 3.07 | ◎ | 2.87 | ◎ | 93.5 | ◎ |
实施例6-5 | 60.6 | 17.1 | 3.54 | 3.10 | ◎ | 2.87 | ◎ | 92.6 | ◎ |
实施例6-6 | 64.1 | 17.1 | 3.75 | 3.14 | ◎ | 2.72 | ◎ | 86.6 | ◎ |
实施例6-7 | 66.8 | 17.1 | 3.90 | 3.19 | ◎ | 2.54 | ○ | 79.6 | ○ |
正极表面密度(g/cm2) | 负极表面密度(g/cm2) | 表面密度比 | 初始放电电能 | 第100次循环时的放电电能 | 放电电能保持率 | ||||
(Wh) | 评价 | (Wh) | 评价 | (%) | 评价 | ||||
实施例7-1 | 47.4 | 17.1 | 2.77 | 2.89 | ○ | 2.73 | ◎ | 94.5 | ◎ |
实施例7-2 | 50.0 | 17.1 | 2.92 | 2.96 | ◎ | 2.80 | ◎ | 94.6 | ◎ |
实施例7-3 | 52.5 | 17.1 | 3.07 | 3.04 | ◎ | 2.86 | ◎ | 94.1 | ◎ |
实施例7-4 | 55.0 | 17.1 | 3.22 | 3.11 | ◎ | 2.91 | ◎ | 93.6 | ◎ |
实施例7-5 | 58.6 | 17.1 | 3.43 | 3.14 | ◎ | 2.91 | ◎ | 92.7 | ◎ |
实施例7-6 | 62.0 | 17.1 | 3.63 | 3.18 | ◎ | 2.75 | ◎ | 86.5 | ◎ |
实施例7-7 | 64.6 | 17.1 | 3.78 | 3.24 | ◎ | 2.58 | ○ | 79.6 | ○ |
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CN101465443B (zh) * | 2007-12-18 | 2012-10-17 | 深圳市比克电池有限公司 | 提高锂离子二次电池容量的方法及采用该方法制得的电池 |
CN104143625A (zh) * | 2007-07-06 | 2014-11-12 | 索尼株式会社 | 负极材料、负极和电池以及它们的制造方法 |
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JP4626568B2 (ja) * | 2005-07-29 | 2011-02-09 | ソニー株式会社 | リチウムイオン二次電池 |
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CN104143625B (zh) * | 2007-07-06 | 2017-07-14 | 索尼株式会社 | 负极材料、负极和电池以及它们的制造方法 |
CN101465443B (zh) * | 2007-12-18 | 2012-10-17 | 深圳市比克电池有限公司 | 提高锂离子二次电池容量的方法及采用该方法制得的电池 |
CN107369811A (zh) * | 2017-08-21 | 2017-11-21 | 柔电(武汉)科技有限公司 | 一种柔性极片的制备方法 |
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