GX & Decarbonization Research

Z. Hamdi, B. Partoon

This review assesses underground hydrogen storage in salt caverns, reporting leakage rates below 0.05% and 20-40% working capacity loss over 30 years. It integrates operational data and modeling to clarify proven areas and remaining uncerta…

Raman Kumar, Ankit Sharma, Gitanjali Gupta +6

This review provides a roadmap for nanocatalyst design strategies (morphology, alloying, heterostructuring) for water splitting, fuel cells, and energy storage. It discusses industrial scale-up, techno-economic analysis, and the role of AI/…

Ziyi Zhu, Jinpeng Liu, Jie Xiao +4

This review provides a comprehensive assessment of protonic ceramic electrolysis cells (PCECs) for efficient green hydrogen production at intermediate temperatures. It covers material design, component stability, and system integration, hig…

Wortmann, Bernhard, Arenas, Daniel, Winkler, Christoph +3

This replication package provides curated data and Julia code to reproduce the figures and analyses from the article on cooling water demand for hydrogen production. It enables validation of water stress and project capacity overlay inputs,…

Tao Luo, Yingying Dai, Jinyang Le +7

This comprehensive review examines flexible sensor technologies for in-situ monitoring of proton exchange membrane fuel cells (PEMFCs), which are critical for hydrogen-based clean energy. It categorizes intrusive and non-intrusive sensing m…

I. Marouani, S. Albadran, Mansoor Alturki +3

This study quantifies the impact of national incentives on green hydrogen adoption in heavy industries. By optimizing PV-wind, PEM electrolyzer, battery, and hydrogen storage sizing, it shows that CAPEX subsidies (0-70%) can reduce Levelize…

Xuerui Wang, Zekun Zhang, Jianbo Zhang +2

This review presents a unified engineering framework for transitioning underground gas storage (UGS) from traditional fossil fuel peak-shaving to large-scale renewable energy storage hubs for hydrogen and CO2. It compares formation adaptabi…

GONG Ziyi, MA Hui, MAO Rui, WANG Xin, MIAO Guixi, YUAN Liang

This paper proposes an optimal scheduling model for an integrated energy system integrating dynamic hydrogen/ammonia co-firing with P2G-CCS coupling. Results show that a fixed 20% co-firing ratio minimizes total cost and emissions, while dy…

Wang Zeng, Heng Zhou, Shengli Wu +2

This study elucidates the mechanism of low-carbon emission reduction in blast furnaces through hydrogen-rich gas injection and DRI (direct reduced iron) burden. It provides technical insights for decarbonizing the steel industry and optimiz…

Ben Mouelhi, Carlos Martín Nieto, Alexandra Lüth +2

This report presents a low-carbon hydrogen deployment model for Scotland, testing two scenarios aligned with IEA projections. The model is most sensitive to electricity prices and export infrastructure, highlighting these as policy and inve…

ATAK, Eren

This study proposes a modular hybrid energy system integrating a microwave plasma reformer, liquid hydrogen storage, PEM fuel cell, and energy management unit. It enables on-board hydrogen production from exhaust gases, achieving 68% reform…

Nora Konstanse Remøy Pettersen, Ivana Jovanović, Z. H. Munim +1

This study conducts a life cycle cost analysis of hydrogen and ammonia as maritime alternative fuels for a short-sea ferry in Norway. It finds that diesel remains the most cost-efficient, but blue hydrogen PEMFC is close. Green hydrogen bec…

B. Abdullahi, Ndey Ann, Aurelia Ayamdor +1

This review compares water-splitting (alkaline, PEM, AEM, SOEC, photocatalytic, PEC) and biological (biophotolysis, fermentation, gasification, pyrolysis) hydrogen production methods. Electrolytic routes are most viable for large-scale gree…

Itumeleng Kohitlhetse, H. Chiririwa

This paper provides a comprehensive analysis of hydrogen-based direct reduction (H-DRI) for low-carbon steelmaking. It covers operating principles, industrial trials, and challenges like green hydrogen cost and infrastructure. With renewabl…

E. B. Agyekum, Murad Irshied Al-Maaitah, Farhan Lafta Rashid +2

This bibliometric review assesses the evolution of sonolytic and ultrasound-assisted hydrogen production research from 2000 to 2025 using Scopus data. It identifies a focus on maximizing hydrogen evolution reaction through advanced material…

W. Vielma, M. Trujillo, E. Escobar-Burnham

This paper analyzes the technical and economic challenges of hydrogen transport, comparing centralized vs. decentralized production. Current LH2 transport costs are 4-5 times higher than natural gas, but decentralized production near consum…

Q. Ha, Chen-Hao Yeh, Dong‐Hau Kuo

This study develops a redox-functional NiFeV/Ni3Fe bilayer catalyst for alkaline water electrolysis, achieving energy efficiencies of 72.1% and 70% at 500 and 1000 mA/cm2, respectively, at room temperature. The cell operates at 1.8 V at 100…

Qiang Ji, Lin Cheng, Kaidi Huang +3

This paper proposes a framework to evaluate the demand response (DR) potential of a zero-carbon hydrogen metallurgy system (ZCHMS). By modeling the shaft furnace as a flexible load, DR-based scheduling reduces operating cost by 6.6% and str…

Muhammad Anas Maqbool, Md Jahir Rizvi, Y. Lee +1

This review critically examines storage options for green hydrogen and green ammonia, combining bibliometric analysis with a risk-mitigation framework and SWOT analysis. It identifies technical bottlenecks and future research priorities, of…

R. Jasiński, D. Michalak, Aleksander Ludwiczak +2

This comprehensive review examines hydrogen's role in decarbonizing global transport. It covers road, rail, maritime, and aviation applications, analyzing technological progress, infrastructure, and policy. Results show hydrogen is becoming…