In this section, you can access to the latest technical information related to the FUTURE project topic.

Multiple carbon interface engineering to boost oxygen evolution of NiFe nanocomposite electrocatalyst

Interface engineering has been widely investigated to regulate the structure and performance of electrodes and photoelectrodes, but the investigation of multiple carbon interface modifications on the electrocatalytic oxygen evolution reaction (OER) is still shortage. Herein, we report remarkable promotion of OER performance on the NiFe-based nanocomposite electrocatalyst via the synergy of multiple carbon-based interface engineering. Specifically, carbon nanotubes were in situ grown on carbon fiber paper to improve the interface between CFP and NiFeOxHy, and graphite carbon nanoparticles were in situ loaded and partly doped into the NiFeOxHy to modify the intergranular interface charge transfer and electronic structure of NiFeOxHy. Consequently, the as-obtained NiFeOxHy-C/CNTs/CFP catalyst exhibited significantly enhanced electrocatalytic OER activity with an overpotential of 202 mV at 10 mA cm?2 in 1 mol L?1 KOH. Our work not only extends application of carbon materials but also provides an alternative strategy to develop highly efficient electrocatalysts.

» Author: Yuyan Qiao, Yanqiu Pan, Jiangwei Zhang, Bin Wang, Tingting Wu, Wenjun Fan, Yucheng Cao, Rashid Mehmood, Fei Zhang, Fuxiang Zhang

» Publication Date: 01/09/2022

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