CN1264235C - 正极活性物质及含有正极活性物质的非水电解质二次电池 - Google Patents
正极活性物质及含有正极活性物质的非水电解质二次电池 Download PDFInfo
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- CN1264235C CN1264235C CNB03152298XA CN03152298A CN1264235C CN 1264235 C CN1264235 C CN 1264235C CN B03152298X A CNB03152298X A CN B03152298XA CN 03152298 A CN03152298 A CN 03152298A CN 1264235 C CN1264235 C CN 1264235C
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000000833 X-ray absorption fine structure spectroscopy Methods 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- RRZKHZBOZDIQJG-UHFFFAOYSA-N azane;manganese Chemical compound N.[Mn] RRZKHZBOZDIQJG-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
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- 125000004122 cyclic group Chemical group 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- CTISCMCFPOFTKK-UHFFFAOYSA-N ethene;trifluoro-$l^{3}-chlorane Chemical compound C=C.FCl(F)F CTISCMCFPOFTKK-UHFFFAOYSA-N 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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- 239000011245 gel electrolyte Substances 0.000 description 1
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- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 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
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
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- 230000001788 irregular Effects 0.000 description 1
- 239000011244 liquid electrolyte Substances 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
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002816 nickel compounds Chemical class 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- FKRCODPIKNYEAC-UHFFFAOYSA-N propionic acid ethyl ester Natural products CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- RCYJPSGNXVLIBO-UHFFFAOYSA-N sulfanylidenetitanium Chemical compound [S].[Ti] RCYJPSGNXVLIBO-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—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
- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- 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
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- 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
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Abstract
Description
现有技术文献 | 公开的复合氧化物的组成 |
USP5393622 | LiyNi1-xMnxO2(式中,0≤x≤0.3,0≤y≤1.3) |
USP5370948 | LiNi1-xMnxO2(式中,0.005≤x≤0.45) |
USP5264201 | LixNi2-x-yMnyO2(式中,0.8≤x≤1.0,y≤0.2) |
USP5629110 | LiNi1-xMnxO2(式中,0<x≤0.2,y≤0.2) |
JP-A-8-171910 | LiNixMn1-xO2(式中,0.7≤x≤0.95) |
JP-A-9-129230 | LiNixM1-xO2(式中,M为选自Co、Mn、Cr、Fe、V及Al的至少一种,1>x≥0.5,较好为x=0.15) |
JP-A-10-69910 | Liy-x1Ni1-x2MxO2(式中,M为Co、Al、Mg、Fe、Mg或Mn,0<x2≤0.5,0≤x1<0.2,x=x1+x2,0.9≤y≤1.3) |
现有技术文献 | 揭示的复合氧化物的形态 |
JP-A-2000-133262 | ·LiaNibCocMndO2(0.1≤a≤1.2、0.40≤b<1.15、0<c<0.60、0<d<0.60、1.00≤b+c+d≤1.15、0<c+d≤0.60)Li层的过渡金属占有率e为0.006≤e≤0.150·LiaNibCocMndO2相对于CuK α线的(101)面的X射线衍射峰的强度的(012)面的X射线衍射峰的强度及(006)面的X射线衍射峰的强度的合计强度的强度比R为0.510≤R≤0.700 |
日本专利第3047693号JP-A-7-37576 | ·LiNi(1-x)MnxO2(0<x<0.3)·许多微小的单晶粒集合在一起形成球状、近似球状或椭圆状的二次粒子 |
日本专利第3232984号JP-A-9-129230 | ·LiNixM1-xO2(M为Co、Mn、Cr、Fe、V、Al的1种以上,1>x≥0.5)·通过SME观察到的定方向径为0.1~2μm的微小晶粒与许多上述微小晶粒集合成定方向径为2~20μm的二次粒子的混合物 |
日本专利第3110728号JP-A-2000-323123 | ·以选自Co、Ni、Mn的1种以上的元素和Li为主要成分的Li复合氧化物形成的多孔质球状二次粒子·通过水银压入法的细孔分布测定的细孔平均直径为0.1~1μm·直径是0.01~1μm的细孔的全容积在0.01cm3/g以上·平均粒径为4~20μm,振实密度在1.8g/cc以上·通过库珀曲线法得到的体积减少率的拐点在500kg/cm2以上 |
现有技术文献 | 揭示的复合氧化物的形态 |
日本专利第3130813号JP-A-10-69910 | ·Liy-x1Ni1-x2Mx02(式中,M为Al、Fe、Co、Mn及Mg的1种,x=x1+x2,0.9≤y≤1.3,M为Al或Fe时0<x≤0.2,x1=0,x2=x,M为Co或Mn时0<x≤0.5,x1=0,x2=x,M为Mg时0<x≤0.2,0<x1<0.2,0<x2<0.2)·衍射峰之比(003)/(104)在1.2以上,(006)/(101)在0.13以下·BET表面积为0.1~2m2/g·对应于全部Ni的Ni3+的比例在99重量%以上·平均粒径D为5~100μm·粒度分布的10%在0.5D以上,90%在2D以下·SEM中,球状二次粒子的表面有凹凸,一次粒子的长径为0.2~3.0μm,平均长径为0.3~2.0μm |
日本专利第3233352号JP-A-2000-195514 | ·LiNi系复合氧化物·0.75≤FWHM(003)/FWHM(104)≤0.9(FWHM为使用了CuKα线的粉末X射线衍射的半幅宽度)·0.25≤I(104)/I(003)≤0.9(I为积分强度) |
实施例编号 | 组成 | 电容量 | 速率特性 | 25℃循环 | 备注 |
1-1 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | 107 | 93 | 81 | 急热·急冷 |
1-2 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | 111 | 95 | 80 | 急热·急冷 |
1-3 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | 104 | 88 | 72 | 不急冷 |
1-4 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | 105 | 89 | 70 | 不急冷 |
比较例1 | Ni(OH)2+MnOOH的合成物 | 92 | 72 | 52 | - |
比较例2 | LiCoO2 | 100 | 85 | 63 | - |
实施例编号 | 基材 | 添加元素 | DSC测定结果 |
1-1 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | - | 200 |
1-2 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | - | 190 |
2-1 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | Al | 215 |
2-2 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | Ca | 207 |
2-3 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | St | 210 |
2-4 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | Zr | 212 |
2-5 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | Y | 210 |
2-6 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | Yb | 208 |
2-7 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | Al | 205 |
2-8 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | Ca | 200 |
2-9 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | St | 201 |
2-10 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | Zr | 203 |
2-11 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | Y | 202 |
2-12 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | Yb | 201 |
比较例2 | LiCoO2 | - | 118 |
实施例 | 导电剂的添加量(重量%) | 电子传导率(比例) | |
1-1 | Li[Li0.03(Ni1/2Mn1/2)0.97]O2 | 3 | 100 |
1-2 | Li[Li0.03(Ni1/3Mn1/3Co1/3)0.97]O2 | 3 | 101 |
3-1(基材1-1) | 添加2原子%的镁添加2原子%的镁添加2原子%的镁 | 123 | 98100103 |
3-2(基材1-2) | 添加2原子%的镁添加2原子%的镁添加2原子%的镁 | 123 | 99101104 |
比较例2 | LiCoO2LiCoO2 | 13 | 8498 |
Claims (14)
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CN104752713A (zh) * | 2013-12-30 | 2015-07-01 | 北京当升材料科技股份有限公司 | 一种锂离子电池复合正极材料及其制备方法 |
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JP4080337B2 (ja) * | 2001-03-22 | 2008-04-23 | 松下電器産業株式会社 | 正極活物質およびこれを含む非水電解質二次電池 |
JP4510331B2 (ja) * | 2001-06-27 | 2010-07-21 | パナソニック株式会社 | 非水電解質二次電池 |
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2007
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Also Published As
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US20080032199A1 (en) | 2008-02-07 |
US20040126660A1 (en) | 2004-07-01 |
US8153297B2 (en) | 2012-04-10 |
US8241790B2 (en) | 2012-08-14 |
CN1482699A (zh) | 2004-03-17 |
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