DataVXACS Applied Energy MaterialsPaper
journal article·2020-10-26

Millimeter Silicon-Derived Secondary Submicron Materials as High-Initial Coulombic Efficiency Anode for Lithium-Ion Batteries

Lijing Yan, Huiwen Zhang, Zeheng Li, Xuehui Gao, Hongbo Wang, Zhan Lin, Min Ling, Chengdu Liang

ACS Applied Energy Materials· Volume 3· Issue 10
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Source abstract

Abstract

Nanostructured silicon has been regarded as a promising next-generation anode material for high energy density lithium-ion batteries. However, costly synthesis methods and low initial coulombic efficiency are still two major challenges for its practical application. Herein, secondary submicron silicon materials composed of nanoparticles are successfully prepared by a simple, low-cost, and efficient high energy mechanical milling method. The initial coulombic efficiency of the as-prepared silicon anode reaches 89.14% with a first discharge specific capacity of 3233 mA h g–1 at 100 mA g–1. In light of a low-cost precursor, facile approach, and high initial coulombic efficiency, this work may provide guidance and enlightenment in synthesizing nanostructured silicon with a secondary structure as anode materials for lithium-ion batteries.
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Research context

Energy storageNanomaterials

OpenAlex topics: Advancements in Battery Materials · Semiconductor materials and devices · Graphene research and applications

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

Affiliations

Department of Chemistry, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China

College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China

School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Natural Science Foundation of Zhejiang Province · Zhejiang Province · Central People's Government of the People's Republic of China

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