负载于三维镍网上的磷化钴纳米珠链阵列的高效水电解性能研究

引用本文: 姜媛媛, 陈传霞, 倪朋娟, 逯一中. 负载于三维镍网上的磷化钴纳米珠链阵列的高效水电解性能研究[J]. 分析化学, 2018, 46(4): 550-555. doi: 10.11895/j.issn.0253-3820.181009 shu

Citation: JIANG Yuan-Yuan, CHEN Chuan-Xia, NI Peng-Juan, LU Yi-Zhong. Efficient Water Splitting Catalyzed by Cobalt Phosphide Nanobead-chain Like Nanoarrays Supported on Three Dimensional Nickel Foam[J]. Chinese Journal of Analytical Chemistry, 2018, 46(4): 550-555. doi: 10.11895/j.issn.0253-3820.181009 shu

负载于三维镍网上的磷化钴纳米珠链阵列的高效水电解性能研究

济南大学材料科学与工程学院, 济南 250022
基金项目:
本文系国家自然科学基金项目（No.21705056）和山东省自然科学基金项目（Nos.ZR2018BB057，ZR2018PB009，ZR2017MB022）资助

摘要: 研究廉价且高效的水分解电催化剂对于氢能源的开发利用具有重要意义，过渡金属磷化物是最有前景的水分解双功能电催化剂之一。本研究采用先水热法，再低温磷化的简单的两步合成法，在三维镍网上生长CoP纳米珠链阵列，所生成的镍网（Nickel foam，NF）负载CoP纳米珠线阵列（CoP/NF），具有规则的形貌、较大的比表面积，在碱性条件下对氢气析出反应（HER）和氧气析出反应（OER）都表现出良好的电催化性能。在电流密度达到10 mA/cm²时的过电位分别为280 mV（OER）及95 mV（HER）。利用此CoP/NF复合材料组成的双电极体系可以有效电解水，在电流密度为10 mA/cm²时所需的施加电压仅为1.63 V，并且表现出非常高的稳定性。

关键词:

English

Efficient Water Splitting Catalyzed by Cobalt Phosphide Nanobead-chain Like Nanoarrays Supported on Three Dimensional Nickel Foam

School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
Received Date: 05 January 2018
Revised Date: 08 February 2018
Fund Project:
This work was supported by the National Natural Science Foundation of China (No.21705056) and the Natural Science Foundation of Shandong Province, China (Nos. ZR2018BB057, ZR2018PB009, ZR2017MB022).

Abstract: The research for efficient and low-cost electrocatalysts for water splitting are essential for the exploitation and application of hydrogen energy. Transitional metal phosphides are considered as one of the most promising bifunctional water splitting electrocatalysts. Herein, we reported a facile two-step method (firstly hydrothermal preparation, then phosphorization under low temperature) to synthesize the bead-chain like nanoarrays of CoP supported on three dimensional Nickel foam (CoP/NF). The as-prepared CoP/NF could act as an efficient bifunctional catalyst for overall water splitting. The catalyst exhibited remarkable activity for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) in alkaline media, delivering a current density of 10 mA/cm² at an overpotential of 281 mV for OER and 95 mV for HER, respectively. Efficient water splitting in alkaline system was realized by applying a two-electrode system with the CoP/NF acting as both the anode and cathode. The applied potential was 1.63 V to obtain the current density of 10 mA/cm², and good stability was also testified.

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

负载于三维镍网上的磷化钴纳米珠链阵列的高效水电解性能研究

English

Efficient Water Splitting Catalyzed by Cobalt Phosphide Nanobead-chain Like Nanoarrays Supported on Three Dimensional Nickel Foam

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

负载于三维镍网上的磷化钴纳米珠链阵列的高效水电解性能研究

English

Efficient Water Splitting Catalyzed by Cobalt Phosphide Nanobead-chain Like Nanoarrays Supported on Three Dimensional Nickel Foam

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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