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      Next-Generation Green Hydrogen: Progress and Perspective from Electricity, Catalyst to Electrolyte in Electrocatalytic Water Splitting

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          Highlights

          • This review systematically summarizes the source of electricity, the key choice of catalyst, and the potentiality of electrolyte for prospective hydrogen generation.

          • Each section provides comprehensive overview, detailed comparison and obvious advantages in these system configurations.

          • The problems of hydrogen generation from electrolytic water splitting and directions of next-generation green hydrogen in the future are discussed and outlooked.

          Abstract

          Green hydrogen from electrolysis of water has attracted widespread attention as a renewable power source. Among several hydrogen production methods, it has become the most promising technology. However, there is no large-scale renewable hydrogen production system currently that can compete with conventional fossil fuel hydrogen production. Renewable energy electrocatalytic water splitting is an ideal production technology with environmental cleanliness protection and good hydrogen purity, which meet the requirements of future development. This review summarizes and introduces the current status of hydrogen production by water splitting from three aspects: electricity, catalyst and electrolyte. In particular, the present situation and the latest progress of the key sources of power, catalytic materials and electrolyzers for electrocatalytic water splitting are introduced. Finally, the problems of hydrogen generation from electrolytic water splitting and directions of next-generation green hydrogen in the future are discussed and outlooked. It is expected that this review will have an important impact on the field of hydrogen production from water.

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          Enhancing hydrogen evolution activity in water splitting by tailoring Li⁺-Ni(OH)₂-Pt interfaces.

          Ram Subbaraman, Dusan Tripkovic, Dusan Strmcnik … (2011)
          Improving the sluggish kinetics for the electrochemical reduction of water to molecular hydrogen in alkaline environments is one key to reducing the high overpotentials and associated energy losses in water-alkali and chlor-alkali electrolyzers. We found that a controlled arrangement of nanometer-scale Ni(OH)(2) clusters on platinum electrode surfaces manifests a factor of 8 activity increase in catalyzing the hydrogen evolution reaction relative to state-of-the-art metal and metal-oxide catalysts. In a bifunctional effect, the edges of the Ni(OH)(2) clusters promoted the dissociation of water and the production of hydrogen intermediates that then adsorbed on the nearby Pt surfaces and recombined into molecular hydrogen. The generation of these hydrogen intermediates could be further enhanced via Li(+)-induced destabilization of the HO-H bond, resulting in a factor of 10 total increase in activity.
          Article 0 comments Cited 634 times – based on 0 reviews     Review now
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            Emerging Two-Dimensional Nanomaterials for Electrocatalysis

            Huanyu Jin, Shi-Zhang Qiao, Chunxian Guo … (2018)
            Article 0 comments Cited 519 times – based on 0 reviews     Review now
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              Nanoscale nickel oxide/nickel heterostructures for active hydrogen evolution electrocatalysis.

              Ming Gong, Wu Zhou, Mon-Che Tsai … (2014)
              Active, stable and cost-effective electrocatalysts are a key to water splitting for hydrogen production through electrolysis or photoelectrochemistry. Here we report nanoscale nickel oxide/nickel heterostructures formed on carbon nanotube sidewalls as highly effective electrocatalysts for hydrogen evolution reaction with activity similar to platinum. Partially reduced nickel interfaced with nickel oxide results from thermal decomposition of nickel hydroxide precursors bonded to carbon nanotube sidewalls. The metal ion-carbon nanotube interactions impede complete reduction and Ostwald ripening of nickel species into the less hydrogen evolution reaction active pure nickel phase. A water electrolyzer that achieves ~20 mA cm(-2) at a voltage of 1.5 V, and which may be operated by a single-cell alkaline battery, is fabricated using cheap, non-precious metal-based electrocatalysts.
              Article 0 comments Cited 447 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Aibing Chen: chen_ab@163.com
                Journal
                Journal ID (nlm-ta): Nanomicro Lett
                Journal ID (iso-abbrev): Nanomicro Lett
                Title: Nano-Micro Letters
                Publisher: Springer Nature Singapore (Singapore )
                ISSN (Print): 2311-6706
                ISSN (Electronic): 2150-5551
                Publication date (Electronic): 5 July 2024
                Publication date PMC-release: 5 July 2024
                Publication date Collection: December 2024
                Volume: 16
                Electronic Location Identifier: 237
                Affiliations
                College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, ( https://ror.org/05h3pkk68) Shijiazhuang, 050018 People’s Republic of China
                Article
                Publisher ID: 1424
                DOI: 10.1007/s40820-024-01424-2
                PMC ID: 11226619
                PubMed ID: 38967856
                SO-VID: 6d6987e3-7b37-4553-b343-cd6e21f5bb05
                Copyright © © The Author(s) 2024
                License:

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

                History
                Date received : 2 February 2024
                Date accepted : 22 April 2024
                Categories
                Subject: Review
                Custom metadata
                issue-copyright-statement © Shanghai Jiao Tong University 2024

                Keywords: hydrogen,electrolysis,hydrogen production,renewable energy,catalyst
                Data availability:
                Keywords: hydrogen, electrolysis, hydrogen production, renewable energy, catalyst

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