GX & Decarbonization Research

Sontakke S, Yadav S, Kere I +2

This study proposes a coaxial-swirl static mixer for hydrogen-natural gas blending. With nine ring-shaped cavities and 120° helical torsion, it achieves 95% mixing uniformity at 5%-30% H2 ratios. Pressure penalty is less than 0.04% of opera…

Matteo Lea Casagrande, Andrea Isella, Davide Manca

This paper proposes a real-time dynamic optimization approach for green hydrogen production systems under renewable energy uncertainty. Using imperfect weather forecasts and adaptive hydrogen production reference, the method minimizes grid …

Abhinav Nouduri, Shailesh Pathak, Arjun Thapa +4

This paper presents a plasma-catalytic approach for methane pyrolysis using low-melting-point metal alloys (Ga, Ga-Sn, Ga-Ni) to produce hydrogen and graphitic carbons. Experiments with pure methane or acetylene demonstrate complete pyrolys…

(著者不明)

This study evaluates the temperature-dependent performance of dry low-temperature desulfurization agents used in biohydrogen purification and analyzes the associated environmental load. The findings contribute to optimizing hydrogen purific…

Liao Y.

This paper reports a Mn-doped cobalt phosphide non-noble catalyst that boosts the hydrogen evolution reaction (HER) in a Zn-CO2 system, demonstrating stability and high performance, potentially contributing to CO2 utilization and hydrogen p…

Antonio Torres-Ayala, E. Sánchez‐Ramírez, M. Carrera-Rodríguez +1

This work designs and optimizes an integrated process for sustainable green hydrogen production from seawater, coupling solar distillation with two electrolysis technologies (AEL and SOEC). The detailed model captures phenomenological effec…

Zahra Piryaei, Maryam Karami, Iman Khazaee

This study performs a 4E (energy, exergy, economic, environmental) analysis comparing hybrid power systems combining proton exchange membrane fuel cells (PEMFC) with organic Rankine cycle (ORC) against direct methanol fuel cells (DMFC) with…

Yunmei Wu, Hua Huang, Xunyan Bao +3

This paper analyzes the low-load trap in hydrogen systems and proposes a nested RIS-PTE framework for regional synergy in China's Yangtze River Delta.

Cheng Huang, Yang Qu, Meijuan Fei +7

A self-sustained green hydrogen production system for arid regions combines atmospheric water harvesting with protonic ceramic electrolysis. Using a novel sorbent, it achieves continuous hydrogen output at 2.12 mL min−1 cm−2 under 30% RH wi…

Nisha Rajani, Sanjay A. Bhakhar, Pratik M. Pataniya +1

This study employs operando Raman spectroscopy to investigate catalyst structural and interfacial dynamics in industrial green hydrogen electrolyzers, providing insights for improving electrolyzer efficiency and understanding degradation me…

Yechan Kim, Minju Jang, Joonjae Ryu

This study optimizes the co-gasification of waste plastic and biomass for hydrogen production, including techno-economic analysis and life cycle assessment. It evaluates the potential for sustainable hydrogen supply and environmental impact…

Silvia Moreno, Alejandro Aragón-García, A.L. Villanueva Perales +2

This study develops a multi-objective optimization framework for a low-carbon hydrogen supply system in Galicia, Spain. Results show that meeting 100% of projected 2030 demand yields a solution dominated by biomass gasification, while at 60…

Adrian R. Irhamna, Burcu Beykal, George M. Bollas

This paper presents an integrated geospatial-technoeconomic optimization framework for siting modular blue and green hydrogen production units co-located with hydrogen refueling stations (HRS) along U.S. highways, with a case study on New E…

João Fortunato, Diogo A. C. Narciso, Henrique A. Matos

This paper proposes a gradual incorporation of green hydrogen and air-separated nitrogen into a conventional ammonia plant. Using Aspen Plus simulation, at 40% incorporation, CO2 emissions reduce by 29.4%, natural gas savings of 30.1%, and …

Caiafa C.

This paper presents a framework to assess opportunities and risks of green hydrogen deployment, with a case study from a developing region in Brazil. It offers empirical insights for policymakers and investors on region-specific challenges.

Nakomčić Smaragdakis B.

This paper assesses green hydrogen potential and utilization for sustainable energy production in Serbia. It analyzes production costs from renewables, infrastructure requirements, and quantifies decarbonization contributions. Provides impl…

Dagnachew A.G.

This paper argues that a green hydrogen revolution in Africa remains elusive due to geopolitical constraints. It highlights challenges in international cooperation and investment, emphasizing the need for supportive policies.

Johnravindar D.

This paper identifies gaps, perspectives, and bottlenecks for the commercial feasibility of green hydrogen applications. It reviews technical and economic challenges hindering deployment and outlines pathways for practical implementation.

Melikoglu M.

This paper provides a global review of green hydrogen blending in natural gas networks and a local analysis for Türkiye, examining the potential and challenges for achieving greenhouse gas emission reduction targets.

Yinghua Wang, Xinfang Wang, Yuexing Zhang +4

This study develops lysozyme-assisted ultrafine Ru nanoparticles anchored on porous N,S-codoped carbon for energy-saving hydrogen production coupled with hydrazine oxidation. The catalyst enables efficient hydrogen generation, contributing …