Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 15, Pages 3910-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201712765
Keywords
electricity generation; energy conversion; hybrid fuel cells; hydrogen production; zinc
Categories
Funding
- 1000 Plan Professorship for Young Talents program
- Fujian Science and Technology Key Project [2016H0043]
- Hundred Talents Program of Fujian Province
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An alkaline-acid Zn-H2O fuel cell is proposed for the simultaneous generation of electricity with an open circuit voltage of about 1.25V and production of H-2 with almost 100% Faradic efficiency. We demonstrate that, as a result of harvesting energy from both electrochemical neutralization and electrochemical Zn oxidation, the as-developed hybrid cell can deliver a power density of up to 80 mW cm(-2) and an energy density of 934 Wh kg(-1) and maintain long-term stability for H-2 production with an output voltage of 1.16V at a current density of 10 mA cm(-2).
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