Microbubble effect-assisted electrolytic synthesis of hollow carbon spheres from CO2

被引：75
作者：
Deng, Bowen [1 ]
Mao, Xuhui [1 ]
Xiao, Wei [1 ]
Wang, Dihua [1 ]
机构：
[1] Wuhan Univ, Sch Resource & Environm Sci, Hubei Int Sci & Technol Cooperat Base Sustainable, Wuhan 430079, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2017年 / 5卷 / 25期
基金：
对外科技合作项目（国际科技项目）; 中国国家自然科学基金;
关键词：
MOLTEN-SALT ELECTROLYSIS; ELECTROCHEMICAL CONVERSION; FUEL-CELLS; CAPTURE; REDUCTION; GRAPHITE; DIOXIDE; MELTS; ELECTRODEPOSITION; NANOTUBES;
D O I：
10.1039/c7ta03606j
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A one-step high-yield synthesis of well-developed hollow carbon spheres was achieved by an electrolytic conversion of CO2 in a CaCO3-containing LiCl-KCl melt at 450 degrees C. Manipulating the electrode potential induced the occurrence of a microbubble effect associated with the as-formed CO (intermediates of CO32- reduction) in ultrathin carbon sheets, thereby triggering the growth of hollow structures. The SEM results reveal good plasticity of the carbon sheets at elevated temperatures. The micron-sized hollow carbon spheres showed favorable capacitive properties, and can be used as catalyst supports as well.
引用
收藏
页码：12822 / 12827
页数：6
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