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

2D Metal?Organic Framework derived CuCo Alloy Nanoparticles Encapsulated Nitrogen?doped Carbonaceous Nanoleaves for Efficient Bifunctional Oxygen Electrocatalyst and Zinc?Air Batteries

The development of efficient bifunctional electrocatalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is still remained a challenge in wide range of renewable energy technologies. Herein, CuCo alloy nanoparticles encapsulated nitrogen?doped carbonaceous nanoleaves (CuCo@NC) have been synthesized from a 2D leaf?like Cu(OH)2/ zeolitic imidazolate framework (ZIF?L)?pyrolysis approach. Leaf?like Cu(OH)2 is first prepared by ultra?sound induced self?assembly of Cu(OH)2 nanowires. The efficient encapsulation of Cu(OH)2 in ZIF?L is achieved due to the morphology fitting between the leaf?like Cu(OH)2 and ZIF?L. CuCo@NC catalysts present superior electrocatalytic activity and stability toward ORR and OER over the commercial Pt/C and IrO2, respectively, which are further used as bifunctional oxygen electrocatalysts in Zn–air batteries and exhibits impressive performance, with a high peak power density of 303.7 mW cm?2, large specific capacity up to 751.4 mAh g?1 at 20 mA cm?2, and a superior rechargeable stability.

» Author: Meiling Huo, Bin Wang, Chaochao Zhang, Shuping Ding, Haitao Yuan, Zuozhong Liang, Jing Qi, Mingxing Chen, Yang Xu, Wei Zhang, Haoquan Zheng, Rui Cao

» Reference: doi:10.1002/chem.201902389

» Publication Date: 02/07/2019

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