Results 31 to 40 of about 7,318 (162)

Analysis of the effect of surface wettability on hydrogen evolution reaction in water electrolysis using micro-patterned electrodes

Electrochemistry Communications, 2019
The hydrogen evolution reaction (HER) was investigated using Ni catalytic electrodes with micro-patterned surfaces. The present aim was to correlate HER efficiency with the surface wettability of Ni cathodes produced with different micropatterns. Regular
Tatsuki Fujimura, Wakana Hikima, Yasuhiro Fukunaka, Takayuki Homma   +3 more
doaj   +1 more source

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   +1 more source

Ionic Transport Aspects of Water Electrolysis in Alkaline Media

Research
Water electrolysis is a key industrial process for producing green hydrogen. To avoid the use of noble metals and fluorinated polymer membranes, liquid water electrolysis is often carried out in alkaline conditions.
F. ElBachraoui, D. Aymé-Perrot, H. H. Girault   +2 more
doaj   +1 more source

Recent Advances and Challenges in Anion Exchange Membranes Development/Application for Water Electrolysis: A Review

Membranes
In recent years, anion exchange membranes (AEMs) have aroused widespread interest in hydrogen production via water electrolysis using renewable energy sources.
Lu Liu, Hongyang Ma, Madani Khan, Benjamin S. Hsiao   +3 more
doaj   +1 more source

Electrode-diaphragm assembly for alkaline water electrolysis

Journal of Physics: Conference Series, 2020
Abstract In connection with the development of hydrogen energy, special attention is currently being paid to the creation of highly efficient water electrolyzers, including electrolyzers with alkaline electrolyte. The main disadvantage of hydrogen production by water electrolysis is its high energy consumption.
V N Kuleshov, S V Kurochkin, N V Kuleshov, D V Blinov, O Y Grigorieva   +4 more
openaire   +1 more source

Energy Efficiency Improvement of Alkaline Water Electrolysis by using 3D Ni Cathodes Fabricated via a Double-Template Electrochemical Process

Chemical Engineering Transactions, 2013
Alkaline water electrolysis is one of the easiest methods for hydrogen production, offering the advantage of simplicity. Moreover, it represents an environmentally friendly technology for production of high purity hydrogen.
I. Herraiz-Cardona, C. Gonzalez-Buch, E. Ortega, J. Garcia-Anton, V. Perez-Herranz   +4 more
doaj   +1 more source

Thermodynamic analysis and optimization design of alkaline water electrolysis hydrogen production system for offshore wind power

Zhongguo Jianchuan Yanjiu
ObjectivesIn order to fully leverage electricity and seawater resources, this paper carries out the thermodynamic analysis and optimization design of an alkaline water electrolysis（AWE） hydrogen production system for offshore wind power.
Xiuyuan QU, Qingshan LI, Qianyue YU, Li SUN   +3 more
doaj   +1 more source

Progress and challenges in alkaline water electrolysis for sustainable hydrogen production

Discover Chemistry
Water electrolysis has become more well-known as a clean way to produce hydrogen, which is generally seen as a sustainable energy vector, as the use of renewable energy sources grows. Alkaline electrolysis is the most well-known and commercially feasible
Behram Shehzad, Shoaib Latif, Abdul Wahab, Muhammad Umer Shafique, Ayoub Rashid Ch   +4 more
doaj   +1 more source

Efficient Decoupled Electrolytic Water Splitting in Acid through Pseudocapacitive TiO2

Advanced Science
Water electrolysis remains a key component in the societal transition to green energy. Membrane electrolyzers are the state‐of‐the‐art technology for water electrolysis, relying on 80 °C operation in highly alkaline electrolytes, which is undesirable for
Mairis Iesalnieks, Mārtiņš Vanags, Linda Laima Alsiņa, Raivis Eglītis, Līga Grīnberga, Peter C. Sherrell, Andris Šutka   +6 more
doaj   +1 more source

Maximizing Bifunctionality for Overall Water Splitting by Integrating H2 Spillover and Oxygen Vacancies in CoPBO/Co3O4 Composite Catalyst

Small Science
In the pursuit of utilizing renewable energy sources for green hydrogen (H2) production, alkaline water electrolysis has emerged as a key technology.
Rinkoo Bhabal, Aniruddha Bhide, Suraj Gupta, Rohan Fernandes, Nainesh Patel   +4 more
doaj   +1 more source