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Nanocarbon-based metal-free and non-precious metal bifunctional electrocatalysts for oxygen reduction and oxygen evolution reactions

机译:基于纳米碳的无金属和非贵金属双功能电催化剂用于氧还原和氧气进化反应

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摘要

The oxygen reduction/evolution reactions(ORR/OER) are a key electrode process in the development of electrochemical energy conversion and storage devices,such as metal-air batteries and reversible fuel cells.The search for low-cost high-performance nanocarbon-based metal-free and non-precious metal bifunctional electrocatalysts for ORR/OER alternatives to the widely-used noble metal-based catalysts is a research focus.This review aims to outline the opportunities and available options for these nanocarbon-based bifunctional electrocatalysts.Through discussion of some current scientific issues,we summarize the development and breakthroughs of these electrocatalysts.Then we provide our perspectives on these issues and suggestions for some areas in the further work.We hope that this review can improve the interest in nanocarbon-based metal-free and non-precious metal bifunctional electrocatalysts for ORR/OER.
机译:氧气还原/进化反应(ORR / OER)是开发电化学能量转换和储存装置的关键电极工艺,例如金属 - 空气电池和可逆燃料电池。搜索低成本高性能纳米碳的基础用于广泛使用的贵金属金属催化剂的无金属和非贵金属双官能电催化剂是一种研究焦点。此审查旨在概述这些基于纳米碳的双功能电催化剂的机会和可用选择.Through讨论在一些当前的科学问题中,我们总结了这些电催化剂的发展和突破。然后我们向进一步工作中的一些地区提供了这些问题和建议的观点。我们希望这篇审查可以改善基于纳米碳的无金属的兴趣用于ORR / OER的非贵金属双官能电催化剂。

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