Back Cover Image, Volume 6, Number 7, July 2024

IF 19.5 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Carbon Energy Pub Date : 2024-07-29 DOI:10.1002/cey2.645

Leijun Ye, Weiheng Chen, Zhong-Jie Jiang, Zhongqing Jiang

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引用次数: 0

Abstract

Back cover image: Traditionally, expensive precious metal based electrocatalysts have been relied upon as air electrodes for rechargeable zinc air batteries (ZABs), which have prompted researchers to innovate and develop cost-effective and efficient novel bifunctional electrocatalytic systems. In the article number cey2.457, Jiang and co-workers reported Co/CoO heterojunction nanoparticles (NPs) rich in oxygen vacancies embedded in mesoporous walls of nitrogen-doped hollow carbon nanoboxes coupled with nitrogen-doped carbon nanotubes (P-Co/CoO_V@NHCNB@NCNT) as bifunctional electrocatalysts synthesized through zeoliteimidazole framework (ZIF-67) carbonization, chemical vapor deposition and O₂ plasma treatment. It displays exceedingly good electrocatalytic performance for oxygen reduction reactions (ORR) and oxygen evolution reactions (OER), significantly superior to standard noble metal-based Pt/C + RuO₂ systems. The enhanced electrocatalytic performance of the P-Co/CoO_V@NHCNB@NCNT can be attributed to the formation of heterojunctions and oxygen vacancies induced by O₂ plasma treatment.

Abstract Image

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封底图片，第 6 卷第 7 号，2024 年 7 月

封底图片：传统上，可充电锌空气电池（ZABs）一直依赖昂贵的贵金属电催化剂作为空气电极，这促使研究人员进行创新，开发出经济高效的新型双功能电催化系统。在编号为cey2.457的文章中，Jiang及其合作者报道了通过沸石咪唑框架（ZIF-67）碳化、化学气相沉积和O2等离子体处理合成的富含氧空位的Co/CoO异质结纳米粒子（NPs）作为双功能电催化剂。它在氧还原反应（ORR）和氧进化反应（OER）中表现出了极好的电催化性能，明显优于标准的贵金属基 Pt/C + RuO2 系统。P-Co/CoOV@NHCNB@NCNT 电催化性能的增强可归因于 O2 等离子处理诱导的异质结和氧空位的形成。

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来源期刊

Carbon Energy Multiple-

CiteScore

25.70

自引率

10.70%

发文量

116

审稿时长

4 weeks

期刊介绍： Carbon Energy is an international journal that focuses on cutting-edge energy technology involving carbon utilization and carbon emission control. It provides a platform for researchers to communicate their findings and critical opinions and aims to bring together the communities of advanced material and energy. The journal covers a broad range of energy technologies, including energy storage, photocatalysis, electrocatalysis, photoelectrocatalysis, and thermocatalysis. It covers all forms of energy, from conventional electric and thermal energy to those that catalyze chemical and biological transformations. Additionally, Carbon Energy promotes new technologies for controlling carbon emissions and the green production of carbon materials. The journal welcomes innovative interdisciplinary research with wide impact. It is indexed in various databases, including Advanced Technologies & Aerospace Collection/Database, Biological Science Collection/Database, CAS, DOAJ, Environmental Science Collection/Database, Web of Science and Technology Collection.