Three-Dimensional Fe,N-Decorated Carbon-Supported NiFeP Nanoparticles as an Efficient Bifunctional Catalyst for Rechargeable Zinc-O-2 Batteries
Three-Dimensional Fe,N-Decorated Carbon-Supported NiFeP Nanoparticles as an Efficient Bifunctional Catalyst for Rechargeable Zinc-O-2 Batteries
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3D Fe,N-装饰碳负载 NiFeP 纳米颗粒作为可充电锌氧电池的高效双功能催化剂。
DOI：
10.1021/acsami.8b16126
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发表时间：
2019
影响因子：
9.5
通讯作者：
Wei Zidong
中科院分区：
文献类型：
--
作者：
Ibraheem Shumaila;Chen Siguo;Li Jia;Li Wei;Gao Xiaoyan;Wang Qingmei;Wei Zidong
The electro-catalyzed oxygen reduction and evolution reactions (ORR/OER) are the key elements of many energy conversion systems, such as fuel cells, water electrolyzers, and rechargeable metal–air batteries. Structural design of durable non-noble nanomaterials as bifunctional OER/ORR catalysts is a major drawback to commercial applications. Herein, we exposed a strongly coupled hybrid material comprising of NiFeP-cubes nanoparticles supported on three-dimensional interconnected Fe,N-decorated carbon (3D-FeNC) as a robust bifunctional ORR/OER catalyst. The strongly coupled NiFeP@3D-FeNC catalyst shows better electron and mass transfer capability, exposure of abundant ORR/OER active sites on the surface, and strongly coupled effects. Accordingly, the as-prepared NiFeP@3D-FeNC catalyst exhibits robust ORR activity (half-wave potential of 0.84 V vs reversible hydrogen electrode) and OER performance (over-potential 0.25 V@10 mA cm–2) in alkaline media. Significantly, the oxygen electrode prepared from the NiFeP@3D-FeNC catalyst further demonstrated superior charge/discharge behavior and long-lasting rechargeability than the benchmark Pt/C + IrO2catalyst in rechargeable zinc–O2batteries. This approach opens up a new avenue for the synthesis and advanced the hybrid nanomaterials for various applications.
