高结晶度硼酸镍纳米棒的制备及其电催化析氧性能研究

doi:10.13208/j.electrochem.171115

电化学（中英文） ›› 2018, Vol. 24 ›› Issue (4): 319-323. doi: 10.13208/j.electrochem.171115

高结晶度硼酸镍纳米棒的制备及其电催化析氧性能研究

徐希^1*，刘娟¹，吴华宗²，江文杰^3*

1.国网江西省电力公司电力科学研究院，江西南昌 330096; 2. 国网江西省电力公司经济技术研究院，江西南昌 330001; 3. 中国科学院化学研究所，北京 100190

收稿日期:2017-11-15 修回日期:2018-01-17 出版日期:2018-08-28 发布日期:2018-02-05
通讯作者: 徐希，江文杰 E-mail: xuxi6220@163.com；jiangwenjie@iccas.ac.cn

Highly Crystalline Nickel Borate Nanorods as Oxygen Evolution Reaction Electrocatalysts

XU Xi^1*, LIU Juan¹, WU Hua-zong², Jiang Wen-jie^3*

1. State Grid Jiangxi Electric Power Research Institute, Nanchang 330096, Jiangxi, China; 2. State Grid Jiangxi Economic Research Institute, Nanchang 330001, Jiangxi, China; 3. Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Received:2017-11-15 Revised:2018-01-17 Published:2018-08-28 Online:2018-02-05
Contact: XU Xi，Jiang Wen-jie E-mail: xuxi6220@163.com；jiangwenjie@iccas.ac.cn

摘要/Abstract

摘要： 氢能被视为21世纪最具发展潜力的能源. 电解水制氢具有诸多优点，如原料来源广泛、操作简便、产品纯度高、无污染，已成为最具有应用前景的方法之一，但其阳极氧析出反应动力学缓慢，严重制约电解水制氢的效率. 因此，发展氧析出电催化剂尤为重要. 本文利用高温煅烧法制备了硼酸镍纳米棒，长度约为2 μm，直径约为200 nm. 与文献报道的低结晶度或无定型硼酸盐析氧催化剂不同，硼酸镍纳米棒的结晶度较高，并且具有较好的OER催化活性和稳定性. 其催化活性可以通过与其他导电材料复合或进一步减小其尺寸等方式提升.

关键词: 硼酸镍, 纳米棒, 电催化, 氧析出反应

Abstract: Hydrogen energy, a kind of clean and renewable energy, is considered to be the solution to the problems of energy crisis and environmental deterioration. Electrochemical water splitting is an efficient and promising technology for the production of high-purity hydrogen. However, oxygen evolution reaction (OER) at the anode of water electrolyzer limits the efficiency of water splitting due to the high overpotential. Therefore, the challenges still remain for the exploration of highly active, stable and low-cost catalysts with superior activity for OER. Herein, nickel borate nanorods with high crystallinity were prepared via high-temperature calcination. The as-obtained nickel borate nanorods with 2 μm in length and 200 nm in diameter exhibited excellent OER activity in terms of an overpotential of 373 mV at 10 mA·cm^-2, even though their capacitance value is extremely low (0.03 mF·cm^-2), which could be further improved by coupling with other conductive materials or decreasing the size of nickel borate.

Key words: nickel borate, nanorod, electrocatalysis, oxygen evolution reaction

中图分类号:

O646

徐希，刘娟，吴华宗，江文杰. 高结晶度硼酸镍纳米棒的制备及其电催化析氧性能研究[J]. 电化学（中英文）, 2018, 24(4): 319-323.

XU Xi，LIU Juan，WU Hua-zong，Jiang Wen-jie. Highly Crystalline Nickel Borate Nanorods as Oxygen Evolution Reaction Electrocatalysts[J]. Journal of Electrochemistry, 2018, 24(4): 319-323.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.13208/j.electrochem.171115

https://electrochem.xmu.edu.cn/CN/Y2018/V24/I4/319

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高结晶度硼酸镍纳米棒的制备及其电催化析氧性能研究

Highly Crystalline Nickel Borate Nanorods as Oxygen Evolution Reaction Electrocatalysts

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