Electrochemical Deposition of Carbon Materials in Molten Salts

被引：3

作者：

Gao, M. X. ^{[1
,2
]}

Chen, Z. G. ^{[1
,2
]}

Deng, B. W. ^{[1
,2
]}

Yin, H. Y. ^{[1
,2
]}

Xiao, W. ^{[1
,2
]}

Mao, X. H. ^{[1
,2
]}

Wang, D. H. ^{[1
,2
]}

机构：

[1] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430072, Peoples R China

[2] Wuhan Univ, Hubei Int Sci & Technol Cooperat Base Sustainable, Wuhan 430072, Peoples R China

来源：

SELECTED PROCEEDINGS FROM THE 232ND ECS MEETING | 2017年 / 80卷 / 10期

基金：

中国国家自然科学基金;

关键词：

ELECTROLYTIC-CARBON; CO2; CAPTURE; DIOXIDE; REDUCTION; TEMPERATURE; SOLUBILITY; PERFORMANCE; CONVERSION; POWDERS; OXYGEN;

D O I：

10.1149/08010.0791ecst

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Molten salt CO2 capture and electrochemical transformation (MSCC-ET) into carbon and oxygen is a promising way for effectively capturing and utilizing the greenhouse gas. There are several advantages of the process over others such as high selectivity and current efficiency, value-added product of functional carbon, scalability and environmental friendly and etc. Herein, we report the absorption kinetics and thermodynamics of CO2 by molten salt under different temperatures and partial pressure of CO2 using a home-made CO2 absorption testing system. The reduction kinetics of carbonates was further investigated by several electrochemical measurements and the rate-limiting step was determined. Furthermore, carbon materials with different morphology and composition were obtained under different operating conditions. It was found that the MSCC-ET process can also absorb SO2 in flue gas and sulfur doped carbon was obtained. The obtained carbons show very good performances as electrode materials for supercapacitor and lithium ion battery.

引用

页码：791 / 799

页数：9

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