期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 38, 页码 31855-31859出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b11703
关键词
self-powered; oxygenated carbon; active sites; H2O2 production; Zn-air battery
资金
- Natural Science Foundation of China [21633008, 21673163]
Industrially producing H2O2 consumes lots of energy and generates byproducts. For the first time, we demonstrate the non-energy-consuming, self-powered production of H2O2 based on a Zn-air battery with oxygenated carbon electrocatalyst. The battery with power density of 360 W m(geo)(-2) at a operating voltage of 0.8 V exhibited high H2O2 production rate of 5.93 mol m(geo)(-2) h(-1). By tuning the ratio of the oxygen-containg groups, the origin of the high activity was investigated. Combining the DFT calculations, we found that C-O-C and -CHO contribute more to the H2O2 production compared to other functional groups.
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