Advanced pathways for hydrogen production: a collective view from a technical experts meeting

Abstract

Hydrogen is an essential fuel and feedstock that can be produced in multiple ways to meet requirements for technological sectors that include energy storage, transportation, petroleum refining, and ammonia synthesis. To consider the future state of hydrogen manufacturing, a team of experts has assembled and examined three emerging hydrogen production technologies – photoelectrochemical, biological, and thermochemical. Each of these emerging technologies holds significant long-term potential for cost reduction while lowering industrial emissions associated with conventional methods of hydrogen manufacture (e.g., steam methane reforming) by using sunlight and renewable resources as primary sources of energy and feedstock, respectively. All three are currently at low technology readiness levels, however their applications, cost reduction opportunities and performance improvement pathways are under active development. In this work, opportunities and outlook for research that can directly advance the technologies are discussed.

Graphical abstract: Advanced pathways for hydrogen production: a collective view from a technical experts meeting

Supplementary files

Article information

Article type
Perspective
Submitted
05 Aug 2025
Accepted
24 Nov 2025
First published
10 Apr 2026
This article is Open Access
Creative Commons BY license

Energy Environ. Sci., 2026, Advance Article

Advanced pathways for hydrogen production: a collective view from a technical experts meeting

K. J. Chou, Y. Acevedo, P. Agbo, A. Bayon, A. S. Beliaev, H. Beyenal, T. Croft, A. Elgowainy, D. V. Esposito, C. Falter, D. S. Ginley, S. Haussener, S. Hu, E. Koepf, D. Kumar, A. Lidor, B. E. Logan, P. Loutzenhiser, A. S. Mandalika, P. Maness, G. J. Meyer, G. J. Nathan, R. Rossi, E. B. Stechel, E. R. Sundstrom, E. Warren, L. M. Wendt, C. Xiang, A. H. McDaniel and F. A. Houle, Energy Environ. Sci., 2026, Advance Article , DOI: 10.1039/D5EE04503G

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