In situ coating of a continuous mesoporous bimetallic PtRu film on Ni foam: a nanoarchitectured self-standing all-metal mesoporous electrode

Literature Information

Publication Date 2018-06-02
DOI 10.1039/C8TA03413C
Impact Factor 12.732
Authors

Hongjing Wang, Hongjie Yu, Shuli Yin, You Xu, Xiaonian Li, Hairong Xue, Liang Wang


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Abstract

The fabrication of continuous mesoporous Pt-based alloy films is very important for electrochemical energy conversion. Herein, we propose an extremely simple soaking method for achieving in situ fabrication of a continuous mesoporous PtRu film on macroporous Ni foam (mPtRu–NF). Owing to its continuous mesoporous structure and bi-metallic compositions, the mPtRu–NF exhibits high activity and durability for both the oxygen reduction reaction and oxygen evolution reaction. Furthermore, when the mPtRu–NF was used as a binder-free air electrode for rechargeable Zn–air batteries (ZABs), it shows superior electrochemical performance. Being very different from previous complex de-alloying or template-based approaches, this method provides a truly simple way for achieving direct fabrication of mesoporous metallic films on metallic substrates. The proposed one-step method is readily available for scale-up fabrication of continuous mesoporous Pt-based films on metallic substrates with designed compositions and desired performances.

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Source Journal

Journal of Materials Chemistry A

Journal of Materials Chemistry A
CiteScore: 19.5
Self-citation Rate: 4.7%
Articles per Year: 2211

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment

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