|Graphene-Encapsulated Copper tin Sulfide Submicron Spheres as High-Capacity Binder-Free Anode for Lithium-Ion Batteries|
|Fu, Lin; Wang, Xiaogang; Ma, Jun; Zhang, Chuanjian; He, Jianjiang; Xu, Hongxia; Chai, Jingchao; Li, Shizhen; Chai, Fenglian; Cui, Guanglei
|Abstract||based sulfides are potential anode materials for lithium-ion batteries (LIBs); nevertheless, they typically suffer from poor cycle stability resulted from the huge volume variation during lithium-ion insertion and extraction. Herein, we successfully fabricated the multiphase Cu2Sn3S7/Cu2SnS3/SnS2 (CTS) submicron spheres uniformly incorporated with reduced graphene oxide nanosheets (CTS@RGO). This binder-free hybrid CTS@RGO paper exhibits favorable capacity retention as an anode of LIBs (965 mAhg(-1) after 300 cycles at current density of 500 mAg(-1)), as well as better rate capability and high initial coulombic efficiency compared with that of a pristine CTS anode. The enhanced electrochemical performance can be ascribed to the introduction of graphene as a buffer to accommodate large volume changes and to maintain structural integrity of electrode.|
|WOS Headings||Science & Technology
; Physical Sciences
|WOS Keyword||OXYGEN REDUCTION REACTION
; HIGH-PERFORMANCE ANODE
; HYDROTHERMAL SYNTHESIS
; HOLLOW MICROSPHERES
|WOS Research Area||Electrochemistry
|Funding Organization||National Natural Science Foundation of China(21473228
; Shandong Provincial Natural Science Foundation(BS2015CL014)
; Think-Tank Mutual Fund of Qingdao Energy Storage Industry Scientific Research
; Qingdao Key Lab of Solar Energy Utilization and Energy Storage Technology
Fu, Lin,Wang, Xiaogang,Ma, Jun,et al. Graphene-Encapsulated Copper tin Sulfide Submicron Spheres as High-Capacity Binder-Free Anode for Lithium-Ion Batteries[J]. ChemElectroChem,2017,4(5):1124 –1129.
Fu, Lin.,Wang, Xiaogang.,Ma, Jun.,Zhang, Chuanjian.,He, Jianjiang.,...&Cui, Guanglei.(2017).Graphene-Encapsulated Copper tin Sulfide Submicron Spheres as High-Capacity Binder-Free Anode for Lithium-Ion Batteries.ChemElectroChem,4(5),1124 –1129.
Fu, Lin,et al."Graphene-Encapsulated Copper tin Sulfide Submicron Spheres as High-Capacity Binder-Free Anode for Lithium-Ion Batteries".ChemElectroChem 4.5(2017):1124 –1129.
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