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Nanocarbon-based metal-free and non-precious metal bifunctional electrocatalysts for oxygen reduction and oxygen evolution reactions 被引量:4
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作者 Yansong Zhu Bingsen Zhang 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2021年第7期610-628,共19页
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 searc... 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. 展开更多
关键词 nanocarbon-based Oxygen reduction/evolution Bifunctional electrocatalyst METAL-FREE Non-precious metal
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Nanocarbon-based electrode materials applied for supercapacitors 被引量:7
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作者 Yu-Xiang Yang Kang-Kang Ge +1 位作者 Sajid ur Rehman Hong Bi 《Rare Metals》 SCIE EI CAS CSCD 2022年第12期3957-3975,共19页
As one of the promising energy storage and conversion systems,supercapacitors(SCs)are highly favored owing to their high power density and good service life.Among all the key components of supercapacitor devices,the d... As one of the promising energy storage and conversion systems,supercapacitors(SCs)are highly favored owing to their high power density and good service life.Among all the key components of supercapacitor devices,the design and investigation of electrode materials play an essential role in determining the whole electrochemical charge storage performance.Recently,nanocarbon-based materials(e.g.,graphene,carbon dots,graphene quantum dots,etc.)have been widely used as SC electrode materials because of their good physical structure and chemical properties,providing a new route to further improve the energy density and life span of SCs.Here,we review the latest progress of nanocarbon-based materials(including nanocarbon and nanocarbon-based composite materials)as electrode materials in SCs application.The recent progress of carbon dots,graphene,carbon nanotubes,and other nanocarbon materials electrodes is summarized,while the capacitance and energy density of the above nanocarbon electrodes still need to be improved.Then,the preparation and performance of nanocarbonbased composite electrodes comprising transition metal oxides,conductive polymer,and metal-organic framework derived porous carbon are reviewed.Finally,we outline major challenges and propose some ideas on building better nanocarbon-based SC electrodes. 展开更多
关键词 Supercapacitor(SC) NANOCARBON Electrode materials Carbon dots nanocarbon-based composite
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