GX & Decarbonization Research

Hamza Khaldi, Fatima El Bakkari, M. Boulakhbar +1

This paper presents a techno-economic analysis of integrated renewable energy and water treatment for green hydrogen production in Morocco, considering local solar and wind resources and water scarcity. It evaluates optimal system configura…

Ahsan Farooq, Haseeb Akbar, Shabbir H. Gheewala

This study explores the decarbonization potential of hydrogen production from waste biomass in Southeast Asia. It suggests that utilizing local biomass resources for hydrogen production could contribute to greenhouse gas reduction.

Ahmed Fatah, Abdullah Alqubalee, Ahmed Al-Yaseri

This experimental study demonstrates that CO2 injection into iron-rich sandstone at 75°C triggers geochemical reactions that generate hydrogen (0.22 wt% in gas phase). The findings suggest a novel pathway combining geological CO2 storage wi…

M. Al Balushi, M. Qyyum, K. H. Almahrami +5

This study proposes an integrated system for converting petroleum produced water into biohydrogen via sequential dark and photo-fermentation, with biochar production from excess sludge for CO2 sequestration. It is the first comprehensive st…

Domenico De Vincenzo

Low-carbon hydrogen is key to global decarbonization, but building international infrastructure faces technical, economic, and geopolitical constraints. This paper analyzes national strategies and announced projects to map the possible stru…

Shahjahan Khan, Nadeem Ahmad

This paper examines white hydrogen as a low-cost, clean energy source that could accelerate the energy transition. It reviews global exploration cases and proposes a phased roadmap for Pakistan, using geological analogues. White hydrogen co…

G. E. Olifant, S. Mathetsa

This paper critically examines the environmental and socio-economic impacts of green hydrogen development in South Africa, identifying challenges and opportunities. As Africa's largest GHG emitter, South Africa can use green hydrogen to dec…

Vazquez-Sanchez, Holkan, Zhao, Chengcheng, Echegoyen-Lopez, Monserrat +2

A Python-based techno-economic optimization and life cycle assessment tool for e-hydrogen production, enabling user-defined cost and environmental impact analysis.

Xiaohui Du, Xinyu Li, Jianna Li +1

This review systematically summarizes the application of transition metal chalcogenides (TMCs)/oxides in hydrogen production via seawater electrolysis. It discusses optimization strategies (dopant, heterojunction, defect engineering) and st…

Naveed Anwar, Muhammad Samee Baig, Enfel Barkat +1

This paper compares solar and wind-powered electrolysis systems for green hydrogen production via MATLAB simulations. The wind system produces approximately 110 kg of hydrogen per day with stable output, while the solar system generates 80 …

Iman Baghaei, Mojtaba Mirhosseini, Alireza Zahedi

This study proposes a hybrid GNN-Transformer model for long-term wind speed forecasting critical for green hydrogen site planning. Using NASA climate data, the GNN-Transformer improved MAE by 30% over standard Transformers, while a GNN-GRU …

Ali Sulaiman Alsagri, A. Alrobaian

This review surveys solar dish collectors for hydrogen production, comparing thermochemical cycles, high-temperature electrolysis, and multigeneration systems. It identifies key challenges in materials, integration, and economics for scalin…

Z. Huang, Wei Han, Zepeng Han +1

This study proposes a co-production system for methanol and hydrogen that integrates methane steam reforming and bi-reforming of methane to achieve low carbon emissions. The system aims to improve energy efficiency and reduce greenhouse gas…

Haipeng Guo, Hailun Zhou, Mingyang Liu +6

This paper presents a low-temperature fabrication method for carbon papers used in proton exchange membrane fuel cells, achieving high mechanical strength and performance. It contributes to improving fuel cell efficiency and reducing costs.

Yang Fei, Mohammad Fazli, Shibo Kuang +5

This numerical study investigates high-H2 operation and gas injection strategies to improve shaft furnace performance for low-carbon ironmaking. It presents technical pathways for decarbonizing the steel industry.

Jiaqiang Wang, Meiling Yue, Jianwen Meng +1

This paper proposes a two-stage optimal scheduling method for a PEMFC-based combined heat and power system to simultaneously improve economic and low-carbon performance. The first stage performs day-ahead planning, and the second stage adju…

Xiang Yang, Xinghua Liu, Zhongbao Wei +3

This paper proposes a distributionally robust low-carbon economic dispatch model for an electric-hydrogen coupled system under high renewable penetration. It optimizes operating costs and carbon emissions while addressing uncertainty in ren…

Junseok Song, Hosik Hahn, Sunghun Kwak +5

A molten GaBi catalyst enables CO2-free hydrogen production at 500–800°C, with the Ga0.11Bi0.89 alloy showing low activation energy (67.2 kJ/mol) and stable operation for 158 h. A 552 ton H2/day plant achieves superior economic and environm…

Muhammad Haris Azlan, Siti Hasanah Osman, Norazuwana Shaari +4

This paper reviews recent progress in graphitic carbon nitride (g-C3N4) materials for low-temperature fuel cells, analyzing their sustainability and challenges. It discusses catalyst performance improvements and manufacturing hurdles, offer…

Xiang Li, Guandong Wu, Yufei He +1

This study developed a Ru/Al2O3-La-C catalyst to alleviate hydrogen poisoning in low-pressure ammonia synthesis. At 400°C and 3 MPa, it achieved a 10-fold increase in ammonia yield (4.74 mmol NH3·gcat−1·h−1) compared to unmodified catalyst,…