四氧化三铁纳米球@微孔有机网络：通过碳化提高锂离子电池的阳极性能

Fe3O4 nanosphere@microporous organic networks: enhanced anode performances in lithium ion batteries through carbonization.

作者信息

Lim Byungho, Jin Jaewon, Yoo Jin, Han Seung Yong, Kim Kyeongyeol, Kang Sungah, Park Nojin, Lee Sang Moon, Kim Hae Jin, Son Seung Uk

机构信息

Department of Chemistry and Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea.

出版信息

Chem Commun (Camb). 2014 Jul 21;50(57):7723-6. doi: 10.1039/c4cc02068e.

DOI:10.1039/c4cc02068e

PMID:24902002

Abstract

Very thin microporous organic networks were formed on the surface of Fe3O4 nanospheres by Sonogashira coupling of tetra(4-ethynylphenyl)methane and 1,4-diiodobenzene. The thickness was controlled by screening the number of building blocks. Through carbonization, Fe3O4@C composites were prepared. The Fe3O4@C composites with 4-6 nm carbon thickness showed promising reversible discharge capacities of up to 807 mA h g(-1) and enhanced electrochemical stability.

摘要

通过四（4-乙炔基苯基）甲烷与1,4-二碘苯的Sonogashira偶联反应，在Fe3O4纳米球表面形成了非常薄的微孔有机网络。通过筛选构建单元的数量来控制厚度。通过碳化制备了Fe3O4@C复合材料。碳厚度为4-6nm的Fe3O4@C复合材料表现出高达807 mA h g(-1)的可逆放电容量和增强的电化学稳定性。