期刊
ACS APPLIED MATERIALS & INTERFACES
卷 12, 期 37, 页码 41704-41717出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c09794
关键词
pseudomorphic; multifunctional; template; electrocatalysts; and metal-air battery
资金
- National Research Foundation of Korea (NRF) - Korea government (MISP) [2019R1F1A1051574]
- program for fostering next-generation researchers in the engineering of National Research Foundation of Korea (NRF) - Ministry of Education ICT [2017H1D8A2030449]
- National Research Foundation of Korea (NRF) [2019R1A5A8080326]
- National Research Foundation of Korea [2019R1F1A1051574] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The fast development of portable water-splitting devices has led to a great deal of work on rechargeable metal-air batteries or solar cells; however, the lack of affordable multifunctional electrocatalysts still hampers their widespread applications. Herein, a well-aligned ternary metal (oxy)hydroxide nanostructure is a sacrificial pseudomorphic transformation template of an integrated metal-organic network on the carbon cloth (CC) surface, that is, the Fe-doped metal-organic framework (MOF) ZnNiCoSe@CC nanosheet network, exhibiting powerful and efficient multifunctional electrocatalysts such as the oxygen reduction reaction, oxygen evolution reaction, and hydrogen evolution reaction in alkaline media combined with desirable electrode kinetics. As a proof-of-concept observational study, the nanostructured Fe-doped MOF ZnNiCoSe@CC could be used as air-cathode materials in the rechargeable metal-air battery. The fabricated device delivered higher open-circuit voltage, higher capacity, and peak power density, excellent discharge-charge performance, and long cycle life. Thus, our research creates a unique perspective on the development of highly portable air electrodes with a favorable electrocatalytic application of overall water-splitting reaction.
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