DataVXACS Applied Materials & InterfacesPaper
journal article·2017-06-07

Raspberry-like Nanostructured Silicon Composite Anode for High-Performance Lithium-Ion Batteries

Shan Fang, Zhenkun Tong, Ping Nie, Gao Liu, Xiaogang Zhang

ACS Applied Materials & Interfaces· Volume 9· Issue 22
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Source abstract

Abstract

Adjusting the particle size and nanostructure or applying carbon materials as the coating layers is a promising method to hold the volume expansion of Si for its practical application in lithium-ion batteries (LIBs). Herein, the mild carbon coating combined with a molten salt reduction is precisely designed to synthesize raspberry-like hollow silicon spheres coated with carbon shells (HSi@C) as the anode materials for LIBs. The HSi@C exhibits a remarkable electrochemical performance; a high reversible specific capacity of 886.2 mAh g –1 at a current density of 0.5 A g –1 after 200 cycles is achieved. Moreover, even after 500 cycles at a current density of 2.0 A g –1, a stable capacity of 516.7 mAh g –1 still can be obtained.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storageNanomaterialsComposites

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Materials Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P. R. China

Energy Storage and Distributed Resources Division, Energy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States

Funding

Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Jiangsu Province · China Scholarship Council · National Natural Science Foundation of China · Jiangsu Province · Priority Academic Program Development of Jiangsu Higher Education Institutions

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