Green hydrogen from seawater electrolysis: Recent developments and future perspectives

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL Current Opinion in Electrochemistry Pub Date : 2024-09-20 DOI:10.1016/j.coelec.2024.101592

Jaira Neibel Bamba , Alicia Theresse Dumlao , Rosela Mae Lazaro , DJ Donn Matienzo , Joey Ocon

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Abstract

Electrochemical splitting of seawater, especially when powered by renewable energy, presents a promising avenue for generating clean hydrogen without relying on highly pre-processed water from freshwater sources. In this mini-review, we present the fundamental principles of seawater electrolysis, including reaction mechanisms and various electrolyzer configurations, while addressing challenges. The most recent advancements in the field are highlighted, focusing on design strategies for electrocatalysts with high oxygen and hydrogen evolution reaction selectivity, electrolyte optimization, and membrane technologies. Additionally, the economic viability and scalability of seawater electrolysis are discussed, evaluating its feasibility for large-scale implementation. Collectively, this review offers insights into future developments and guides future research in the field, particularly in the rational design of corrosion-resistant seawater splitting technologies.

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海水电解产生的绿色氢气：最新进展和未来展望

海水电化学裂解，尤其是以可再生能源为动力的海水电化学裂解，为无需依赖高度预处理的淡水水源而产生清洁氢气提供了一条前景广阔的途径。在这篇小型综述中，我们将介绍海水电解的基本原理，包括反应机制和各种电解槽配置，同时探讨面临的挑战。重点介绍了该领域的最新进展，包括具有高氧气和氢气进化反应选择性的电催化剂设计策略、电解质优化和膜技术。此外，还讨论了海水电解的经济可行性和可扩展性，评估了其大规模实施的可行性。总之，这篇综述为未来的发展提供了见解，并为该领域未来的研究提供了指导，特别是在合理设计耐腐蚀的海水分离技术方面。

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来源期刊

Current Opinion in Electrochemistry Chemistry-Analytical Chemistry

CiteScore

14.00

自引率

5.90%

发文量

272

审稿时长

73 days

期刊介绍： The development of the Current Opinion journals stemmed from the acknowledgment of the growing challenge for specialists to stay abreast of the expanding volume of information within their field. In Current Opinion in Electrochemistry, they help the reader by providing in a systematic manner: 1.The views of experts on current advances in electrochemistry in a clear and readable form. 2.Evaluations of the most interesting papers, annotated by experts, from the great wealth of original publications. In the realm of electrochemistry, the subject is divided into 12 themed sections, with each section undergoing an annual review cycle: • Bioelectrochemistry • Electrocatalysis • Electrochemical Materials and Engineering • Energy Storage: Batteries and Supercapacitors • Energy Transformation • Environmental Electrochemistry • Fundamental & Theoretical Electrochemistry • Innovative Methods in Electrochemistry • Organic & Molecular Electrochemistry • Physical & Nano-Electrochemistry • Sensors & Bio-sensors •