期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 45, 期 47, 页码 25708-25718出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.01.077
关键词
Fuel cell; Hydrogen peroxide; Hexacyanoferrate; Cathode
资金
- CNPq [108556/2017-4]
- CAPES
- FAPEMIG
The current need for handheld electronic devices with high energy autonomy has amplified research into clean and mobile energy source developments. Among suitable and promising technologies for this application, fuel cells, FCs are highlighted because of their minimal emission of pollutants and high efficiency. One type of FCs that has yet to be studied is the hydrogen peroxide/direct hydrogen peroxide fuel cell (DPPFCs). The present work is dedicated to the development of DPPFCs of one compartment using copper hexacyanoferrates (CuHCFs) as cathodic material and a Ni grid as anodic material. CuHCFs containing Fe-II and/or Fe-III were synthesized, characterized and their electrocatalyst performances were compared in 0.1 mol L-1 HCl and 0.5 mol L-1 H2O2. The maximum power densities reached for the CuFeII was 8.3 mW cm(-2) and for the CuFeIIFeIII was 2.9 mW cm(-2). The CuHCFs cathode materials show promising results, standing out as innovative materials for such an application. (c) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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