Enhanced Electrochemical Performance by In Situ Phase Transition from SnS2 Nanoparticles to SnS Nanorods in N-Doped Hierarchical Porous Carbon as Anodes for Lithium-Ion Batteries
Source abstract
Abstract
Tin sulfides have attracted great attention as promising anode materials for lithium-ion batteries due to their high theoretical specific capacity. However, the rapid capacity decay, resulting from the structural instability of tin-sulfide-based anodes over cycling, impedes its practical applications. Herein, the simple and controllable synthesis of one-dimensional (1D) SnS nanorods decorated in N-doped hierarchical porous carbon (N-HPC/SnS) through in situ phase transformation from N-HPC/SnS2 under thermal annealing is carried out. This structural design leads to fast ion/electron transport and enough space for volume variations. The resultant electrochemical test verifies the advantages of the as-developed materials, which exhibits great cycling stability with a high specific capacity of 638.74 mAh/g over 800 cycles at 0.5 A/g.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Supercapacitor Materials and Fabrication · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, Guangdong, China
GAC Automotive Research & Development Center, Guangzhou 511434, China
University of Chinese Academy of Sciences, Beijing 100049, China
Nano Science and Technology Institute, University of Science and Technology of China, Suzhou 215123, China
Funding
K. C. Wong Education Foundation · National Natural Science Foundation of China · Guangzhou Automobile Group Co., Ltd.
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