GX & Decarbonization Research

Krishnaja Maturi, Siva Ramakrishna Madeti, Sanjana Sinha +3

This comprehensive review examines the integration of nanotechnology, advanced microbial engineering, and circular economy principles in bio-hydrogen production. It analyzes diverse renewable feedstocks, cutting-edge microbial innovations (…

F. Ma, Lingyu Gao, Huanhuan Guo +4

This study develops a NiCo2O4 nanoneedle electrocatalyst for selective glycerol electrooxidation to coproduce potassium diformate and hydrogen at low potential. An industrial-scale system with 11 electrode pairs achieves stable electrolysis…

Mengwen Cao, Haiyan Yang, Zhiqiang Jiang +3

This study synthesized a CdS@CdMoO4 composite via in situ growth of CdS on CdMoO4 and evaluated its photocatalytic hydrogen production. CdMoO4 effectively promotes charge separation and prolongs carrier lifetime, resulting in a hydrogen pro…

Mingguang Yi, Tong-Kai Zhang, Hong Dai +10

This study investigates nanofunctionalized Chlorella cells under photo stimulation for biological hydrogen production, offering a potential renewable hydrogen pathway. However, scalability remains a challenge.

Yuhao Liu, Tao Chen, Aijun Li

This study assesses a novel low-temperature (300°C) molten salt process for green methanol from moso bamboo. The optimal scenario (renewable electricity + torrefaction) achieves a positive NPV of 44.1M CNY and a 71.88% reduction in GWP vs b…

Batuhan Senol, J. Meiers, G. Frey

This paper explores the integration of hydrogen into combined heat and power (CHP) systems, with a regional focus on Saarland, Germany. It presents H2-ready technologies and a Python-based techno-economic optimization model, revealing that …

F. Eckl, A. Moita, T. Sousa +1

This paper evaluates a hydrogen-based direct reduction with electric arc furnace steelmaking route. Using a 87% scrap and 13% reduced iron mix, the system achieves an overall resource efficiency of 78.1%, over twice that of the conventional…

Patrick R. O’Rourke, M. Knotek, Jae Edmonds +5

Previous studies ignored geologic hydrogen (gH2). This paper shows that if gH2 is abundant and cheap ($1/kg), it could expand hydrogen use broadly, especially in power generation. However, deployment is sensitive to cost, declining rapidly …

Paola Andrea Acevedo Pabón, T. C. Herrera-Rodríguez, Á. González-Delgado

This study assesses hydrogen production from palm oil rachis in post-conflict rural Colombia. A large-scale plant in Bolívar achieved high conversion efficiency, low GWP (2.47 kg CO2 eq/kg H2), and economic viability (NPV $25M), while a sma…

Jayant C. Thorat, Sonali V. Dhamal, Priyanka V. Dudheinamdar

This review provides an overview of hydrogen fuel cell technology, highlighting its potential for decarbonizing transportation, stationary power, and industry, while addressing challenges such as cost, infrastructure, and reliance on fossil…

A. Llamazares, S. Martín-Arroyo, A. Bestué Coarasa +1

This study designs a 500 kW off-grid hybrid system based on renewables (PV and wind) for green hydrogen production. It includes a Battery Energy Storage System (BESS) for stability and assesses two control strategies: variable-load electrol…

Naythalla Angela M Saraiva, Maria Gabriely Barbosa Silva, Carla de Moura +4

This study demonstrates hydrogen production via water splitting using TiO2 nanotubes decorated with plasmonic bimetallic nanoparticles (e.g., AuPd-TiO2), achieving a high production rate of ~4000 μmol g⁻¹. The material offers a promising op…

Pablo Mauricio Sánchez-Rojas, José David Peñuela-Lizcano, Miguel Ángel Zea-Sandoval +6

This paper explores organizational management transformation in the VUCA hydrogen era, proposing a hybrid model that integrates classical theories with adaptive approaches. It highlights the limitations of traditional management in addressi…

Ameer Suhail, D. Pamu, N. R. Peela

This paper presents a scalable optofluidic microreactor with immobilized Pt-CdS catalysts for visible light-driven photocatalytic hydrogen evolution from water. The reactor achieves high efficiency and stability, advancing practical green h…

Ali Rahimi, Amin Kardgar

This study evaluates a green hydrogen production system using a hybrid renewable configuration (PV, wind, PEM electrolyzer) simulated with Homer Pro based on real climatic data from two Iranian cities, Mashhad and Bandar Abbas. The optimal …

Lipipuspa Sahoo, Amitava Patra

This review comprehensively summarizes recent progress in using atomically precise metal nanoclusters (NCs) as electrocatalysts for the hydrogen evolution reaction (HER). It covers strategies to enhance performance including core size tailo…

Jiyong Li, Chen Ye, Hao Huang +3

This paper proposes a multi-timescale power allocation strategy for wind-hydrogen coupled systems based on MPC and State of Health (SOH) prediction. It builds a comprehensive evaluation model integrating dynamic hydrogen value and flexibili…

Basil Hamad, Yasser Abdel-Rady I. Mohamed, Ahmed Al-Durra +1

This paper develops a detailed multiphysics small-signal model of a grid-forming PEM electrolyzer, integrating electrochemical, thermal, and fluid dynamics. It identifies key stability factors such as low SCR operation and temperature varia…

Mohamed Vajeebu Mohamed Hussain Pareeth

This report examines Saudi Arabia's hydrogen value chain cost drivers and efficiency boundaries under Vision 2030. It dissects the levelized cost of green and blue hydrogen, and proposes policy instruments such as long-term offtake contract…

Gaydaa Al Zohbi

This review performs a techno-economic assessment of hydrogen hubs, comparing gray, blue, and green hydrogen production and transportation. Gray hydrogen is cheapest but vulnerable to carbon pricing; blue hydrogen is a transitional option w…