Supporting Information In-Situ Fabrication of CoS and NiS Nanomaterials Anchored on Reduced Graphene Oxide for Reversible Lithium Storage Yingbin Tan, [a] Ming Liang, [b, c] Peili Lou, [a] Zhonghui Cui, [a] Xiangxin Guo, [a]* Weiwei Sun [b] and Xuebin Yu [c] [a] State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; Phone and Fax: +86-21-5566 4581. E-mail: XXGuo@mail.sic.ac.cn [b] Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai, P. R. China; [c] Department of Materials Science Fudan University Shanghai 200433, China Phone and Fax: +86-21-5566 4581. E-mail: yuxuebin@fudan.edu.cn S1
Figure S1 XRD patterns for In 2 S 3 by heat treatment In(OH) 3 in sulfur atmosphere. S2
Figure S2 XRD patterns for MnS by heat treatment Mn(OH) 2 in sulfur atmosphere. S3
Figure S3 XRD patterns for Cu 1.81 S and CuS 2 by heat treatment Cu(OH) 2 in sulfur atmosphere. S4
Figure S4 XRD patterns for Fe 9 S 10 by heat treatment Fe(OH) 2 in sulfur atmosphere. S5
Figure S5 XRD patterns for ZnS by heat treatment Zn(OH) 2 in sulfur atmosphere. S6
Figure S6 SEM images of as-synthesized a) Co(OH) 2 -rgo and b) Ni(OH) 2 -rgo. S7
Figure S7 SEM image of CoS NFs-rGO a, b) and NiS NPs-rGO c, d). S8
Figure S8 TEM image of NiS NPs-rGO a) and CoS NFs-rGO b). S9
Figure S9 XRD patterns for FeS by heat treatment FeOOH-rGO in sulfur atmosphere. S10
Figure S10 Discharge and charge curves of a) FeS-rGO at the current density of 100 ma g -1 ; rate capabilities of b) FeS-rGO at various current densities between 100 ma g -1 and 2000 ma g -1. S11
Table S1 Compasion of electrochemical performances of the MS-rGO electrodes with previously reported transition metal sulfides-based electrodes. Electrode materials Synthetic method Electrode formulation a Bi 2 S 3 @CNT Carbon-coated FeS nanosheets SnS 2 nanoplates/graphene SnS 2 @graphene nanocables Honeycomb-like MoS 2 /graphene Carbon nanotube/layered MoS 2 nanohybrid network Calcination Surfactant-assisted solution-based method 80:10:10 80:10:10 Cycling stability (A/B/n) b 450/1/100 615/0.1/100 Ref. CVD 80:10:10 650/0.05/30 S3 Electrospinning 100:0:0 720/0.2/350 S4 Hydrothermal 80:10:10 1235/0.2/60 S5 Hydrothermal 80:10:10 1679/1/425 S6 MoS 2 -CMK-3 Hydrothermal 70:20:10 934/0.4/150 S7 MoS 2 nanoplates/carbon nanofibers MoS 2 /mesoporous carbon Sandwich-like MoS 2 @N-doped carbon nanosheets Electrospinning 70:20:10 1007/1/100 S8 Self-polymerization 80:10:10 1113/0.4/500 S9 Self-polymerization 80:10:10 1147/0.1/50 S10 WS 2 nanosheet/cnts Vacuum filtration 80:10:10 862/0.1/50 S11 Ni 3 S 4 nanoparticles/graphene NiS nanoparticles/porous carbon matrices nitrogen-doped-carbon coated CoS 2 3D CoS@PCP/CNTs-600 CoS 2 Nanoparticles/N-Doped Porous Carbon Shell NiS-Graphene CoS-graphene Hydrothermal 80:10:10 1323/0.14/100 S12 Calcination+ Hydrothermal S1 S2 75:10:15 300/0.06/100 S13 solution method 70:20:10 657/0.2/100 S14 MOFs-templated sulfidation 80:10:10 1668/0.2/100 S15 postvulcanizing step 70:20:10 560/0.1/50 S16 Hydrothermal+sulfida tion Hydrothermal+sulfida tion 80:10:10 521/0.1/100 This work 80:10:10 939/0.1/100 This work a Weight ratio of the active material, carbon and binder. PVDF was used as binder if not S12
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