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Role of water structure in alkaline water electrolysis [PDF]

iScience, 2022
Summary: Herein, with the help of experimental and first-principles density functional theory (DFT)-based studies, we have shown that structural changes in the water coordination in electrolytes having high alkalinity can be a possible reason for the ...
Anku Guha, Mihir Sahoo, Khorsed Alam, D. Krishna Rao, Prasenjit Sen, Tharangattu N. Narayanan   +5 more
doaj   +2 more sources

A rationally thin composite membrane with differentiated pore structure for industrial-scale alkaline water electrolysis [PDF]

Nature Communications
Alkaline water electrolysis is one of the most prospective technologies for large-scale production of green hydrogen. Nevertheless, current porous membranes face the problem of weak ion transport or poor gas barrier performance.
Jian You, Jinyu Lu, Chuanli Liu, Wei Wang, Yongzhao Li, Yuanzhong Gao, Longmin Liu, Xiangbo Luo, Xiaojun Bao, Huaiyin Chen, Jianying Huang, Yuekun Lai, Meihua Wu, Weilong Cai   +13 more
doaj   +2 more sources

Recent advances and future prospects on Ni3S2-Based electrocatalysts for efficient alkaline water electrolysis

Green Energy & Environment
Green hydrogen (H2) produced by renewable energy powered alkaline water electrolysis is a promising alternative to fossil fuels due to its high energy density with zero-carbon emissions.
Shiwen Wang, Zhen Geng, Songhu Bi, Yuwei Wang, Zijian Gao, Liming Jin, Cunman Zhang   +6 more
doaj   +3 more sources

Bubble evolution dynamics in alkaline water electrolysis

eScience
It is anticipated that alkaline water electrolysis (AWE) technology will assume a significant role in the future energy sector, facilitating the integration of renewable energy and hydrogen production.
Lingao Deng, Liming Jin, Luyu Yang, Chenchen Feng, An Tao, Xianlin Jia, Zhen Geng, Cunman Zhang, Xiangzhi Cui, Jianlin Shi   +9 more
doaj   +3 more sources

Thermo-Economic Analysis of Integrated Hydrogen, Methanol and Dimethyl Ether Production Using Water Electrolyzed Hydrogen

Resources, 2022
Carbon capture and utilization is an attractive technique to mitigate the damage to the environment. The aim of this study was to techno-economically investigate the hydrogenation of CO2 to methanol and then conversion of methanol to dimethyl ether using
Yusra Muazzam, Muhammad Yousaf, Muhammad Zaman, Ali Elkamel, Asif Mahmood, Muhammad Rizwan, Muhammad Adnan   +6 more
doaj   +1 more source

Effects of the marine atmosphere on the components of an alkaline water electrolysis cell for hydrogen production

Results in Engineering, 2021
The use of off-shore renewable energy sources can be an adequate strategy to produce hydrogen using water electrolysis, particularly in the marine sector.
Ernesto Amores, Margarita Sánchez-Molina, Mónica Sánchez   +2 more
doaj   +1 more source

Perovskite-based electrocatalysts for oxygen evolution reaction in alkaline media: A mini review

Frontiers in Chemistry, 2022
Water electrolysis is one of the attractive technologies for producing clean and sustainable hydrogen fuels with high purity. Among the various kinds of water electrolysis systems, anion exchange membrane water electrolysis has received much attention by
Dongkyu Kim, Dongkyu Kim, Lee Seul Oh, Lee Seul Oh, Jong Hyeok Park, Hyung Ju Kim, Hyung Ju Kim, Seonggyu Lee, Seonggyu Lee, Eunho Lim   +9 more
doaj   +1 more source

Alkaline Electrolysis for Hydrogen Production at Sea: Perspectives on Economic Performance

Energies, 2023
Alkaline electrolysis is already a proven technology on land, with a high maturity level and good economic performance. However, at sea, little is known about its economic performance toward hydrogen production.
Rafael d’Amore-Domenech, Isabel Carrillo, Emilio Navarro, Teresa J. Leo   +3 more
doaj   +1 more source

Coupled simulation of bubbles behavior and ion transport and reaction on alkaline water electrolysis

Nihon Kikai Gakkai ronbunshu, 2018
In recent years, alkaline water electrolysis is receiving much attention on environmental issues because of hydrogen production using renewable energy. However, it is necessary to enhance the efficiency of electrolysis.
Daisuke UMEHARA, Shuichiro HIRAI
doaj   +1 more source

Hydrophilic fillers for anione exchange membranes of alkaline water electrolyzers [PDF]

E3S Web of Conferences, 2023
Alkaline water electrolysers are widespread in many industries, including systems with hydrogen cycle of energy storage. One of the problems of modern alkaline water electrolysers is insufficient purity of generated electrolysis gases relative to ...
Kuleshov V.N., Kurochkin S.V., Kuleshov N.V., Gavriluk A.A., Klimova M.A., Smirnov S.E.   +5 more
doaj   +1 more source