A review on recent trends, challenges, and innovations in alkaline water electrolysis

Sustainable Hydrogen Production

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The 2022 report of the Lancet Countdown on health and climate change: health at the mercy of fossil fuels

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PEM Fuel cell and electrolysis cell technologies and hydrogen infrastructure development – a review

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Sustainable ammonia decomposition: Economical catalyst and eco-friendly reactor technologies for hydrogen production

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Recent advances in catalysts and interface engineering for high-performance proton exchange membrane water electrolyzers

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Highly Conductive and Mechanically Robust Isatin-Derived Anion Exchange Membranes for Water Electrolysis

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In Situ Anodic Transition and Cathodic Contamination Affect the Overall Voltage of Alkaline Water Electrolysis

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Cu/Cu2O Nanoparticle–Decorated Nickel Foam as an Electrocatalyst for Hydrogen Evolution and Glucose Oxidation

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Advancements and challenges in anion exchange membrane technology for sustainable energy applications

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Hotspots in hydrogen research and developments: Current status, pathways, challenges, and vision to 2050

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Offshore Wind-to-Hydrogen Production: Technical Pathways, Challenges, and Prospects

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A multi-criteria techno-economic evaluation of PEM and Alkaline electrolyzers for green hydrogen production using fuzzy BWM, TOPSIS, and WASPAS

Bekrit, L., & Seladji, C. (2026) · Clean Technologies and Recycling · doi:10.3934/ctr.2026003 · Cited by 8

Green hydrogen from water electrolysis: supply chain emissions assessment and net-zero pathways

Koh, S., Kim, S., & Lee, B. (2026) · Green Chemistry · doi:10.1039/d5gc05066a · Cited by 8

The evolution of transition metal hydroxide electrocatalysts in alkaline media: A three-generation roadmap from 2D nanosheets to metal hydroxide organic frameworks (MHOFs)

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Robust PEEK-reinforced poly (aryl piperidinium) hydroxide exchange membrane for water electrolysis

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A genetic algorithm-based framework for efficient optimization of alkaline electrolyzer flow channels to improve flow uniformity

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Experimental and computational analysis of Ni–P and Fe–P metal foams for enhanced hydrogen evolution reaction in alkaline media

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A Data-driven framework for temperature prediction and control of megawatt alkaline electrolyzers based on LSTM-Transformer hybrid model

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Key technology advancements for PEM water electrolysis: A comprehensive review

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Commercial anion exchange membranes for alkaline water electrolysis: Linking performance, stability, and physicochemical properties

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Flash joule heating enabled construction of interface-rich nickel-cobalt alloy on coconut shell-derived carbon for efficient alkaline hydrogen evolution

Ying, L., Ge, F., Yang, X., Jiang, J., & Zhou, M. (2026) · Journal of Colloid and Interface Science · doi:10.1016/j.jcis.2026.140467 · Cited by 7

Research advances, deactivation mechanisms, and improvement strategies of acidic OER catalysts

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Overall alkaline water electrolysis over active, stable, low loading iridium catalysts sputtered on nickel foam

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Integrating Deep Learning and Energy Management Standards for Enhanced Solar–Hydrogen Systems: A Study Using MobileNetV2, InceptionV3, and ISO 50001:2018

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Performance assessment of anion exchange electrolyzer with PBI-BASED membrane through 0-D modeling

Çelebi, C., Colpan, C. O., & Devrim, Y. G. (2025) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2025.01.422 · Cited by 6

Simple and efficient fabrication of cathode using activated polyaniline as binder for alkaline water electrolysis

Kim, S. H., Lee, H. I., Kim, J., Park, S., Kim, H. S., Woo, M., Kim, J. R., & Lim, D. (2025) · Applied Surface Science · doi:10.1016/j.apsusc.2025.162785 · Cited by 6

Hydrogen technology development: towards a revolutionary era in Europe?

Cartier, V., & Cazier, E. A. (2025) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2025.150345 · Cited by 6

Enhancing gas-liquid distribution uniformity in alkaline water electrolyzers by an innovative inlet array structure, a numerical study

Gu, H. T., Wu, Q., Zhang, M., Xu, X., Yu, J., Bai, Y., & Wang, Y. (2025) · Renewable Energy · doi:10.1016/j.renene.2025.124407 · Cited by 6

Coordinated hydrogen storage Strategy: Integrating underground salt caverns and surface tanks for stable and scalable hydrogen supply

Guan, C., Wang, Z., Deng, H., Li, S., Pan, S., & Li, Z. (2025) · Fuel · doi:10.1016/j.fuel.2025.137010 · Cited by 6

All-non-noble metal alkaline-based water electrolysis with NiFeP bamboo-like cathode

Park, S., Shin, Y., Kweon, Y., Lee, S., Gi, M. S., Lee, D. H., Choi, H., Kim, S., Ahn, C.-Y., Kim, M., et al. (2025) · Chemical Engineering Journal · doi:10.1016/j.cej.2025.170346 · Cited by 6

Morphological, structural, and binder-free engineering for enhanced water electrolyzers

Sanei, S. A., Baimbetov, D., Syrlybekkyzy, S., Ахметов, Б. Б., Darband, G. B., & Abbas, Q. (2025) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2025.153102 · Cited by 6

Uniformity axial temperature distribution in electrolyzers by stack-scale electric-heat coupling simulation

Zhao, Z., Feng, C., Shangguan, Z., Meng, L., Zhou, W., Jiang, X., Liu, M., Zuo, J., Jin, L. J., & Zhang, C. (2026) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2026.153501 · Cited by 6

Novel PtNi single-atom–nanocluster (SA–NC) ensembles promote Tafel kinetics and ampere-class AEM hydrogen evolution

Badreldin, A., Feng, J., Wu, S., Chen, S., Racine, C., Wang, S., Smith, G., Minhas, M. B., Li, T., Hu, Y. H., et al. (2026) · Chemical Engineering Journal · doi:10.1016/j.cej.2026.173234 · Cited by 6

Polyphenylene sulfide reinforced microporous polybenzimidazole composite separator for alkaline water electrolysis

You, D., Cui, W., & Pu, Y. (2026) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2026.153759 · Cited by 6

Surrogate-assisted reinforcement learning for energy-efficient operation of zero-gap alkaline water electrolysis

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A review of research progress in mass transfer enhancement of water electrolyzer for hydrogen production

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MnFe2O4 thin film electrodes via AACVD: A facile route for enhanced oxygen evolution reaction

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Boron‐Modified NiFe‐MOF‐74 Catalyst for the Oxygen Evolution Reaction in Anion Exchange Membrane Water Electrolyzers

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Single-input machine learning for gas evolution in membraneless alkaline water electrolysis: A comparative study of five regressors

Sevim, D., & Pi̇lati̇n, M. Y. (2025) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2025.152830 · Cited by 5

A critical review on the potential of urban (BIPV) and rural (AgriPV) solar hydrogen production

Phillpots, I., & Ghosh, A. (2026) · Next Sustainability · doi:10.1016/j.nxsust.2026.100254 · Cited by 5

Dynamic modeling and control of multi-stack alkaline water electrolysis systems with shared gas separators and lye circulation: Industrial data-based validation and simulation

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Cu-induced electronic redistribution of pine needle/nanosheet hybrid Cu-P-Co ternary catalyst toward efficient hydrogen evolution

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Tuning the Adsorption of H and OH on Ruthenium Aerogel to Boost the Alkaline Hydrogen Evolution

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Stable and Contamination-Resistant Ag/Ag 2 O Micro-Reference Electrode for Alkaline Scanning Electrochemical Cell Microscopy

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Magnetic field–enhanced alkaline water electrolysis from laboratory to industry

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Recent advancements in green hydrogen production and storage

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Highly porous NiCo2O4 nanostructures for enhanced electrocatalytic oxygen and hydrogen evolution reactions

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Engineered CeO2–carbon nanocomposites for enhanced oxygen evolution reaction

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Solid–Solid Interface Design for Hydrogen Production by Direct Seawater Electrolysis: Progress and Challenges

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Dynamic behavior of hydrogen nanobubbles during alkaline water electrolysis using high-speed atomic force microscopy

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The Hydrogen Economy: Progress and Challenges to Future Growth

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Synergy of Cu doping and SO42− adsorption in the self-optimized SO42−@Cu doped Co(OH)2 reconstructed from CuCo2S4 towards enhanced oxygen evolution reaction

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Mechanistic impact of Stern bilayer-based electrolysis on the enhancement of pool boiling heat transfer

Li, Z., Cai, P., Yang, J., Shao, M., Xu, J., & Wang, H. (2024) · Thermal Science and Engineering Progress · doi:10.1016/j.tsep.2024.102908 · Cited by 4

Defect-engineered Co9S8/NiS@NF nanoarchitectures: Uniting heterojunctions and sulfur vacancies for superior overall water electrolysis

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Gas bubbles in proton exchange membrane electrolyzers, Part I: Mechanisms and effects

Marefati, S., Abdollahpour, A., & Mortazavi, M. (2025) · Journal of Power Sources · doi:10.1016/j.jpowsour.2025.238016 · Cited by 3

Paired electrolysis by regulated electronic distribution and lowering of overpotential with enhanced current density

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Enhanced bubble dynamics and reaction efficiency in alkaline electrolysis using bio-inspired palm leaf flow channels

Wang, Z., Xia, Y., Wang, Y., Ci, P., Zhao, L., Wu, H., & Tang, Z. (2026) · Chemical Engineering Journal · doi:10.1016/j.cej.2026.174551 · Cited by 3

A Review of Hydrogen Strategies in South, Southeast, and Southwest Asia: National Outlooks and Collaboration Opportunities for Canada

Ghorbani, B., Zendehboudi, S., Bagheri, M., Saady, N. M. C., Albayati, T. M., & Venkatachalam, P. (2026) · Energy & Fuels · doi:10.1021/acs.energyfuels.5c04988 · Cited by 3

Bifunctional Ir/ZnNNi3 heterostructured catalyst for highly efficient water splitting

Deng, J., Li, Z., Li, Z., Liu, J., Li, Z., Zhu, T., Zhu, X., Zhang, A., Wang, H., & Li, K. (2026) · Journal of Alloys and Compounds · doi:10.1016/j.jallcom.2026.187659 · Cited by 3

System-level comparison of green and blue hydrogen for cogeneration of clean hydrogen and electricity

Choi, Y., Lee, B., & Heo, S. (2026) · Energy Conversion and Management · doi:10.1016/j.enconman.2026.121505 · Cited by 3

A Tutorial on Measurement of Electrochemical Water-Splitting Performance Parameters: Methods and Best Practices

Sharma, M., Prakash, C., Singh, V. K., & Dixit, A. (2026) · ACS Measurement Science Au · doi:10.1021/acsmeasuresciau.6c00147 · Cited by 3

Economic, safety, and environmental aspects of hydrogen production, utilization, and storage

Zendehboudi, S., & Ghorbani, B. (2025) · Elsevier eBooks · doi:10.1016/b978-0-443-24042-3.00012-6 · Cited by 3

High-Performance Cathodes for Alkaline Water Electrolysis in a Zero-Gap Setting: Ni–Sn/Ni Foam Prepared by Galvanostatic Electrodeposition

Gojgić, J. D., Petričević, A., Rauscher, T., Bernäcker, C. I., Weißgärber, T., Vasilić, R., Pavko, L., Bele, M., Ruiz‐Zepeda, F., Smiljanić, M., et al. (2025) · ACS Applied Energy Materials · doi:10.1021/acsaem.4c03140 · Cited by 3

Pivotal Role of Interfacial Strain in Ultrathin Nickelate Oxide Films for Cost-Effective Oxygen Evolution Reaction

Chen, Z., Wang, X., Zhang, X., Gan, Y., Zhao, J., Du, B., Rao, F., Zeng, X., Meng, Y., Qi, Y., et al. (2025) · Nano Letters · doi:10.1021/acs.nanolett.5c04443 · Cited by 3

Polyoxometalates-derived self-supporting porous micropillar catalysts for efficient overall water splitting

Zhao, N., Wang, X., Zhu, S., Yang, G., Yu, X., Song, Y., Sui, F., & Pang, H. (2025) · Inorganic Chemistry Communications · doi:10.1016/j.inoche.2025.115939 · Cited by 3

Common hydrogen feedstock and production pathways

Zendehboudi, S., & Ghorbani, B. (2025) · Elsevier eBooks · doi:10.1016/b978-0-443-24042-3.00002-3 · Cited by 3

Recent Advances in Membranes for Water Electrolysis

Choi, J., Choi, C., Nam, Y., Kim, H., & Lee, J. (2024) · Membrane Journal · doi:10.14579/membrane_journal.2024.34.6.334 · Cited by 2

Chemically robust ether-free polymer-based bipolar membrane with a 3D junction for high-performance water splitting and efficient acid/base production

Tran, H. M., Yun, W., Kwak, D., Park, J., Le, T. T., & Lee, J. (2025) · Chemical Engineering Journal · doi:10.1016/j.cej.2025.166182 · Cited by 2

Research Progress and Application Prospects of Transition Metal Phosphosulfide Heterojunction Catalysts in Electrocatalytic Water Splitting

Liu, N., Deng, C., Huang, T., Ding, H., Zhang, L., & Xu, G. (2025) · ChemCatChem · doi:10.1002/cctc.202500828 · Cited by 2

Sustainable Methanol Production from CO 2 Using a Two-Step High-Temperature Electro-Thermochemical Cycle: A Feasibility Study

Gupta, A., & Khalid, F. (2025) · ACS Sustainable Resource Management · doi:10.1021/acssusresmgt.5c00339 · Cited by 2

Perovskite Oxygen Carriers for Hydrogen Production via Chemical Looping Steam Methane Reforming: A Review

Liang, Z., Zhou, H., & Fang, J. (2025) · Energies · doi:10.3390/en18246538 · Cited by 2

Investment feasibility of green hydrogen production from geothermal electricity: Navigating uncertainty with exploratory financial modeling and analysis

Setiawan, A. D., Marthen, S., Dewi, M. P., Moeis, A. O., Hidayatno, A., & Romijn, H. (2025) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2025.153058 · Cited by 2

Beyond Catalysts and Membranes: Using Cell Assembly and Operating Strategies to Significantly Improve the Performance of AEM Electrolyzers

Amirsalehi, M., Mosali, V. S. S., Al-Murisi, M., Bashiri, S., Gopi, H., Satjaritanun, P., Britton, B., Swider‐Lyons, K. E., & Mustain, W. E. (2026) · Journal of The Electrochemical Society · doi:10.1149/1945-7111/ae4929 · Cited by 2

Online shunt current loss estimation in alkaline water electrolyzers using a temperature-aware equivalent circuit method

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Unraveling Oxygen Evolution Reaction Enhancement Mechanisms: From Internal to External Fields of Electrolyzers

Zhang, Q., Wang, Y., Wei, J., Wei, Y., Chen, B., & Yang, Z. (2026) · ChemElectroChem · doi:10.1002/celc.202500476 · Cited by 2

Hydrogen production pathways: Conventional methods and emerging hybrid technologies

Abu-Sari, S. M., Aljarrah, M., Al-Otoom, A. Y., & Ashraf, A. (2026) · Hybrid Advances · doi:10.1016/j.hybadv.2026.100653 · Cited by 2

Hydrogen Economy in East Asia: National Roadmaps and Opportunities for Strategic Collaboration with Canada

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Solvothermal Synthesis of PdIrSnZnMo High-Entropy Alloy and Its Application as Oxygen Evolution Reaction Electrocatalysts in Alkaline Media

Aruldhas, R., Szczerba, M., Piecha, D., Nikiforow, K., & Sulka, G. D. (2026) · ACS Applied Nano Materials · doi:10.1021/acsanm.6c00789 · Cited by 2

Critical evaluation of cobalt-based anodes for proton exchange membrane water electrolysis

Rizk, M. R. (2026) · Next Energy · doi:10.1016/j.nxener.2026.100726 · Cited by 2

Green Hydrogen Production Technologies and Feedstock Limitations: A Concise Review

Saleh, Y., Alam, A., Ali, L., Alraeesi, A., & Altarawneh, M. (2026) · ACS Omega · doi:10.1021/acsomega.6c06090 · Cited by 2

Plasma-sprayed barium titanate cathode coatings for hydrogen evolution in electrolysis

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Recent progress on layered double hydroxides-based electrocatalysts for electrochemical water splitting

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Three-dimensional modeling of Alkaline Water Electrolyzers

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Advancing hydrogen production: A novel decentralized control scheme for enhanced stability in off-grid solar systems

Zhang, M., Fu, L., Lin, Y., & Hu, Q. (2025) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2024.11.195 · Cited by 2

Hydropower-Assisted Alkaline Electrolysis with NiCo-Modified Electrodes Produced by Additive Manufacturing for Enhanced Hydrogen Evolution Reaction

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