Journal
MATERIALS EXPRESS
Volume 9, Issue 6, Pages 629-634Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/mex.2019.1533
Keywords
Silicon MCP; Nanocomposite; Lithium-Ion Batteries; Graphene; Silicon Microchannel Plate
Funding
- University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province [UNPYSCT-2016087]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars in Heilongjiang Province, Project of Plant food processing technology-Heilongjiang Province superiority and characteristic discipline [YSTSXK201873]
- Fundamental Research Funds in Heilongjiang Provincial Universities [135109244, 135309115, 135309211, 135309342]
- Heilongjiang Science Foundation [JQ2019F003, ZD2019F004]
- City University of Hong Kong Strategic Research Grant (SRG) [7005105]
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A hybrid electrode composed of silicon microchannel plates (Si MCPs) coated with nitrogen-doped graphene and TiO2 is prepared and used as the anode in a lithium-ion battery. The materials are characterized systematically by scanning electron microscopy, Raman scattering spectroscopy, X-ray photoelectron spectroscopy, and electrochemical techniques. The unique porous and ordered nanostructure of the TiO2/N-graphene/Si-MCP nanocomposite provides short paths for diffusion of Li ions and immobilized active sites, whereas N-doped graphene facilitates fast charge transportation. The synergetic effects result in high reversible specific capacities and stability. Owing to the compatibility with semiconductor processing and devices, the concept and technique have large potential in large-scale fabrication of high-performance anodes of lithium-ion batteries, especially those integrated into microelectronic chips.
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