Safety and efficiency problems of hydrogen production from alkaline water electrolyzers driven by renewable energy sources

被引:33
作者
Cheng, Haoran [1 ]
Xia, Yanghong [1 ]
Wei, Wei [1 ]
Zhou, Yongzhi [1 ]
Bo, Zhao [2 ]
Zhang, Leiqi [2 ]
机构
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China
[2] State Grid Zhejiang Elect Power Co Ltd, Res Inst, Hangzhou 310014, Peoples R China
关键词
Hydrogen; Water electrolysis; Renewable energy sources; Electrolysis efficiency; Flexibility; Gas purity; POWER-TO-GAS; CONTROL STRATEGY; FUEL-CELL; OPERATION; PRESSURE; SYSTEM; PERFORMANCE; SIMULATION; STORAGE; DESIGN;
D O I
10.1016/j.ijhydene.2023.08.324
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Alkaline water electrolysis has become the most promising solution for hydrogen production considering certain factors such as cost, lifetime and maturity of technology. By developing the large-scale hydrogen production by alkaline water electrolysis as the energy buffering, the consuming pressure of the power system caused by the growing penetration of renewable energy sources such as wind and solar energy can be relieved effectively. However, when the alkaline water electrolysis is integrated with renewable energy sources, the unclear underlying mechanism and interaction characteristics limit large-scale application for hydrogen production. Aiming at this problem, from the aspects of efficiency and consistency, power regulation flexibility and gas purity, this paper studies safety and efficiency problems about the wide-range operation of alkaline water electrolyzers driven by renewable energy sources. The corresponding mechanism analyses are carried out and possible solutions for the future research are given, which are expected to provide a comprehensive review and useful guide for this research topic.(c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:700 / 712
页数:13
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