碱性电解水制氢隔膜和阳极材料性能研究

doi:10.3969/j.issn.2097-0706.2022.05.007

综合智慧能源 ›› 2022, Vol. 44 ›› Issue (5): 64-68.doi: 10.3969/j.issn.2097-0706.2022.05.007

碱性电解水制氢隔膜和阳极材料性能研究

郭雅婷(), 邓甜音, 刘艳莹, 何广利()

北京低碳清洁能源研究院,北京 102211

收稿日期:2021-12-10 修回日期:2022-03-02 出版日期:2022-05-25 发布日期:2022-06-09
通讯作者: 何广利
作者简介:郭雅婷（1994）,女,工程师,工学硕士,从事氢能与水处理技术方面的研究, 1956476171@qq.com
基金资助:
国家能源投资集团有限责任公司项目(GJNY-21-81)

Research on the performance of membranes and anode materials in alkaline water electrolysis

Yating GUO(), Tianyin DENG, Yanying LIU, Guangli HE()

Beijing Institute of Low-Carbon Clean Energy,Beijing 102211,China

Received:2021-12-10 Revised:2022-03-02 Online:2022-05-25 Published:2022-06-09
Contact: Guangli HE

摘要/Abstract

摘要：

电解水制氢可将大规模可再生能源转化为绿氢,广泛用作各式各样的低碳终端能源,如燃料、化工能源和运输等,对碳减排具有重要意义。碱性电解水制氢作为一种最有潜力、大规模化应用的技术,在电解水行业中占据主导地位。基于降低电解制氢过电位的目的,开展了隔膜和阳极电极材料的性能研究。结果表明,高分子复合隔膜Zirfon比聚醚硫醚无纺布具有更低的膜电阻,可将电解水过电位降低0.3 V以上,主要因为Zirfon隔膜具有更低的膜电阻和更高的亲水性,而隔膜的亲水性会影响电极活性位点的利用率,且亲水性越高,电堆的活化阻抗越低。通过比较镍网和泡沫镍的性能,发现镍网用作阳极电极时的电阻低于泡沫镍,具有更低的电解水过电位。可为电解槽关键部件隔膜和电极的优化提供一定参考,利于电解成本的降低。

关键词: 碱性电解水制氢, 隔膜, 电极, 过电位, 可再生能源, 碳减排, 电解槽, 绿氢

Abstract:

Since water electrolysis for hydrogen production can transform large-scale renewable energy into green hydrogen,it is widely used in low-carbon terminal energy applications,such as fuel,chemical and transportation industry.This technique plays an important role in carbon emission reduction.Alkaline water electrolysis for hydrogen production has attracted much attention as one of the most promising large-scale hydrogen production technologies.In order to lower the overpotential in water electrolysis for hydrogen production,the properties of membranes and anode materials were studied. The results show that the membrane resistance of polymer composite membrane Zirfon is lower than that of polyether sulfide non-woven fabric by 0.3 V.Zirfon membrane has lower membrane resistance and higher hydrophilicity. Hydrophilicity of membranes can affect the utilization rate of the active site on electrode,and a higher hydrophilicity leads to a lower activation impedance of electrode. While choosing the material for anode, nickel mesh shows a lower overpotential in water electrolysis than nickel foam,due to its lower pure resistance. This study can provide reference for the optimization of membranes,electrodes and other key components of electrolytic cells,which will be conducive to the cost reduction of water electrolysis.

Key words: alkaline water electrolysis for hydrogen production, membrane, electrode, overpotential, renewable energy, carbon emission reduction, electrolyzer, green hydrogen

中图分类号:

TK01

郭雅婷, 邓甜音, 刘艳莹, 何广利. 碱性电解水制氢隔膜和阳极材料性能研究[J]. 综合智慧能源, 2022, 44(5): 64-68.

Yating GUO, Tianyin DENG, Yanying LIU, Guangli HE. Research on the performance of membranes and anode materials in alkaline water electrolysis[J]. Integrated Intelligent Energy, 2022, 44(5): 64-68.

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参考文献 19

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隔膜	厚度/μm	孔隙率/%	透气性(500 kPa)/[L·(min·cm²)^-1]	隔膜电阻/mΩ
Zirfon500⁺	500±50	60±5	3.2±1.0	72
Zirfon500	500±50	55±5	3.2±1.0	283
PPS无纺布	720±10	—	—	571

碱性电解水制氢隔膜和阳极材料性能研究

Research on the performance of membranes and anode materials in alkaline water electrolysis

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