GX & Decarbonization Research

Burak Şafak, Alper Çiçek

This study proposes a fairness-oriented energy management strategy for residential communities integrating hydrogen technologies. It combines PV, wind, battery, electrolyzer, and hydrogen tank, introducing four fairness indices. A case stud…

Wenwen Zhang, Gao Qiu, Junyong Liu +3

This paper proposes an integrated power and hydrogen system (IPHS) with full-cycle carbon tax and hybrid energy storage. A tri-level robust optimization model coordinates active distribution network and hydrogen generation station, reducing…

Sen Chen, Xinran Yu

This paper reviews key challenges for integrity of underground salt cavern hydrogen storage, including geochemical reactions, microbial activity, and geomechanics. It analyzes risk factors and proposes mitigation methods, providing a system…

Simone Girelli, Marco Ficili, Darío Alfani +6

This study evaluates a 2 MWel small-scale multi-tower CSP plant integrated with solid oxide electrolyzers for green hydrogen production in Sicily, Italy. Numerical simulations show a maximum yearly solar-to-hydrogen efficiency of 16.6%, sur…

Oroos Arshi, Surajit Mondal, Yogesh Chandra Gupta +1

This review paper comprehensively examines the hydrogen economy from the perspectives of production, utilization, and impact on the fossil fuel industry. It covers hydrogen production technologies, storage and transportation, end-use applic…

Nayrana Daborer-Prado, L. Gaisberger

This study develops and experimentally validates a dynamic model of a PEM electrolyzer system integrated with renewable energy. The model comprises four submodels (anode, cathode, membrane, voltage) implemented in MATLAB/Simulink. Validated…

Bo Zhou, Yuan Gao, Xiaoxu He +4

This paper proposes a deep reinforcement learning-based energy management strategy for off-grid wind-to-hydrogen systems, addressing challenges from fluctuating wind and stochastic loads. By jointly optimizing economic performance and opera…

A. Palanca, C. L. Chao, Kristian July R. Yap +1

This study proposes an integrated LCA-MCDA-Nash equilibrium framework to assess hydrogen energy storage (HES) feasibility in Philippine island grids. The baseline Nash equilibrium favors non-adoption due to limited utility gains and high sw…

Jie Zhu, Yiwei Qiu, Yangjun Zeng +7

This paper proposes a co-optimization framework for frequency security-aware production scheduling in off-grid renewable power-to-hydrogen (P2H) systems. It coordinates heterogeneous electrolyzers (AWE, PEMEL) along with ammonia generators,…

Fan Yang, Ze Geng, Yifan Deng

This paper proposes a stochastic energy management strategy for a PV-battery-PEM microgrid to improve hydrogen production efficiency and ensure frequency stability. The strategy uses an EA-MDP to model uncertainties and a two-timescale cont…

Aitor Beloki-Arrondo, Íñigo Ortega-Fernández, E. Andres +3

This paper develops a design optimization tool for MW-scale hydrogen electrolysis plants, evaluating the techno-economic viability of supplying green hydrogen to an industrial heating furnace. Simulations of three plant configurations revea…

Shiqi Zhang, Ziang Jiao, Jiaxin Su +4

This paper proposes a low-ripple modulation strategy for a triple-active-bridge isolated DC-DC converter used in renewable hydrogen production. By coordinating inner and outer phase-shift angles and using an improved differential evolution …

Yuqiang Ma, Meng Li, Dandan Zhang +9

This study proposes replacing the oxygen evolution reaction in water electrolysis with an oxidative coupling reaction, enabling ultra-low-voltage (0.96 V) bipolar hydrogen production and simultaneous synthesis of energetic DAAT. A Pt single…

Joseph Sekhar Santhappan, Maria Rajesh Antony, Arun S. Gopinath

This study optimizes a hydrogen production system using sewage sludge gasification and solar PV in Oman, processing 125,000 m3/day of wastewater. It can generate 370 kg of hydrogen daily at $2.9-4.7/kg, with 60.4% biopower penetration under…

Ayodeji Stephen Adekanbi, Chima Stephen Okeke, James A. Carton

This paper examines the role of low-carbon hydrogen, particularly blue hydrogen, in ensuring a just energy transition for developing countries. It argues that while green hydrogen is the ideal long-term solution, its high cost and nascent i…

Omata David Omakoji, Gil Christ Zinsou, Afefa Mireille Akoumany

This study assesses the feasibility of hydrogen production targets in Nigeria's Energy Transition Plan. While the country has abundant solar, wind, and natural gas resources for green and blue hydrogen, the lack of a detailed hydrogen polic…

Mario Pagliaro

This study investigates hydrogen energy research in Italy in the bioeconomy era, highlighting upcoming projects such as the world's first H2-powered ship, a green H2 pipeline for buses, green ammonia production in Saudi Arabia using Italian…

Xin Zhou, Yaning Wang, Dongrui Zhang +10

This study proposes a novel Heat Recovery Multi-Stage Seawater Vacuum Distillation for Electrolytic Water and Ammonia Generation Process (HR-SDEA) that integrates waste heat recovery, multi-stage desalination, and ammonia synthesis for modu…

Hong-Wen Wang, Liang-Ying Huang

This paper reviews a closed-loop system for sustainable hydrogen production via aluminum-water reaction, coupled with renewable energy-driven recycling of byproducts. It offers high energy density (29.7 kJ/g), ambient operation, and zero di…

Youxin Chen, Kuan Zhang, Nian Liu

This paper proposes a hybrid time-scale production simulation method for electricity-hydrogen integrated systems. It models green hydrogen production efficiency-power-time characteristics and electrolyzer lifespan degradation. A state-space…