GX & Decarbonization Research

Niklas Ortlieb, Christian Völker, Lars Guggolz +1

Hydrogen is a clean energy carrier but requires active catalysts. This study develops molybdenum sulfide catalysts on mesoporous nitrogen-doped carbon nanospheres, optimizing pore size to 60 nm for best hydrogen evolution performance, with …

Byungchul Choi, Inkyu Choi, G. Son

This review comprehensively discusses hydrogen and ammonia as sustainable carbon-free fuels, their potential, and future industrialization strategies. It summarizes their roles in the energy transition towards decarbonization and outlines t…

M. Ali, Md. Esmay Azam, Shaikh Tafriha Anika +4

This study assesses a hydrogen-integrated hybrid renewable microgrid for Dublar Char, an off-grid island in Bangladesh. Using HOMER Pro simulations, it achieves an LCOE of $0.108/kWh, LCOH of $8.75/kg, and annual carbon reduction of 31.7 kg…

He Wang, Yuyan Wang, Jing Bian +1

This paper proposes an optimized operation method for microgrid electricity-hydrogen hybrid energy storage considering electrolyzer arrays and energy management strategy. It uses time series decomposition for seasonal characteristics, intro…

V. Zatserkovny, O. Vasyliev

This paper discusses how fossil fuel dependence leads to environmental, climate, and geopolitical issues, and argues that synergy between renewable energy and hydrogen energy is key to achieving carbon neutrality. For Ukraine, hydrogen offe…

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…