文献类型：期刊文献

英文题名：Ultrafine Co nanoislands grafted on tailored interpenetrating N-doped carbon nanoleaves: An efficient bifunctional electrocatalyst for rechargeable Zn-air batteries

作者：Zhang, Fuping[1];Chen, Long[1];Yang, Haiyi[1];Zhang, Yinglin[1];Peng, Yuanyuan[1];Luo, Xing[1];Ahmad, Ayyaz[3];Ramzan, Naveed[4];Xu, Yisheng[1,2];Shi, Yulin[1]

机构：[1]Shihezi Univ, Sch Chem & Chem Engn, Key Lab Green Proc Chem Engn Xinjiang Bingtuan, Shihezi 832003, Peoples R China;[2]East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China;[3]Muhammad Nawaz Sharif Univ Engn & Technol, Dept Chem Engn, Multan 60000, Pakistan;[4]Univ Engn & Technol, Dept Chem Engn, Lahore 54890, Pakistan

年份：2022

卷号：431

外文期刊名：CHEMICAL ENGINEERING JOURNAL

收录：;EI(收录号：20214811240347);WOS:【SCI-EXPANDED(收录号:WOS:000772998000004)】；

基金：Acknowledgements This work was supported by the National Natural Science Foundation of China [grant numbers 51764049, 51962032] , the International One Belt One Road Collaboration Project of Shanghai [grant number 18490740300] , the National Key Research and Development Program of the International Scientific and Technological Innovation Cooperation Project among Governments [grant number 2021YFE0100400] , the International Scientific and Technological Cooperation Project of Xin-jiang Bingtuan [grant number 2018BC001] , and the Transformation of Technological Achievements in Shihezi University [grant number CGZH201715] .

语种：英文

外文关键词：Zeolitic imidazole frameworks (ZIFs); Co grafted on N-doped carbon (Co@NC); Decussation materials; Oxygen electrocatalysts; Zn-air batteries

摘要：Zeolitic imidazole frameworks (ZIFs) provide an exciting platform to design and fabricate non-precious-metal carbon-based catalysts for oxygen reduction/evolution reaction (ORR/OER). Herein, we elaborately design a facile enzyme-assisted synthetic strategy that enables to tailor the ZIFs precursors into structural stable decus-sation shape, which derived Co nanoislands grafted on decussate N-doped carbon nanoleaves (D-Co@NC) can well retain the interpenetrating nanostructure. Benefiting from the combined advantages of compositions and interpenetrating nanostructures, D-Co@NC possesses 5.2 times higher exposed electrochemical active area than the conventional dodecahedral one, thus endowing the superior bifunctional activity toward ORR and OER with a low potential gap (& UDelta;E) of 0.866 V. When applicated in Zn-air battery, the D-Co@NC electrode displays a high peak power density of 115.4 mW cm(-2) and energy density of 879.6 Wh kg(-1) as well as excellent long-cycling stability more than 200 h, outperforming benchmark catalysts of Pt/C||RuO2. The work provides a promising way to construct ZIFs-derived non-precious-metal electrocatalyst for advanced metal-air batteries.