Composite Materials for Hydrogen Storage

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Composites Applications".

Deadline for manuscript submissions: 15 December 2025 | Viewed by 855

Special Issue Editors


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Guest Editor
School of Engineering, College of Engineering, Environment and Science, Coventry University, Coventry CV1 5FB, UK
Interests: mechanical properties; microstructure; mechanical behavior of materials; mechanical testing; material characteristics; materials testing; material characterization; materials processing; advanced materials; metal matrix composites

Special Issue Information

Dear Colleagues,

Hydrogen is a cornerstone of the global transition to sustainable energy due to its potential to decarbonize sectors like transportation, power generation, and industrial processes. However, the safe, efficient, and cost-effective storage of hydrogen, particularly in its liquid and high-pressure forms, remains a key challenge. This Special Issue, Composite Materials for Hydrogen Storage, explores the latest innovations in composite materials that address these challenges and enable advanced hydrogen storage technologies.

The Special Issue focuses on the development, characterization, and application of lightweight, high-performance composites for hydrogen storage. Topics include advanced fiber-reinforced polymers, graphene-reinforced metal matrix composites (MMCs), and hybrid materials designed for extreme conditions. Emphasis is placed on improving material compatibility with hydrogen, including resistance to embrittlement and permeability, ensuring long-term durability and reliability.

Research on sustainable solutions, such as the use of recycled materials and energy-efficient manufacturing processes, will be highlighted. This Special Issue will also explore computational modeling and advanced testing techniques to optimize composite design and performance. Applications in hydrogen-powered aviation, space exploration, and fuel-cell vehicles will be covered through case studies and industrial insights.

This Special Issue will bridge the gap between academic research and industrial applications, fostering innovation in hydrogen storage materials. By addressing the technical and sustainability challenges involved in hydrogen storage, this Special Issue will contribute to the global hydrogen economy's growth.

We invite papers from researchers and industry experts to advance the field of hydrogen storage through innovative composite materials. Together, we can shape a sustainable future powered by hydrogen.

Dr. Ashwath Pazhani
Dr. Andre Batako
Guest Editors

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Keywords

  • hydrogen storage
  • composite materials
  • lightweight composites
  • graphene-reinforced composites
  • metal matrix composites (MMCs)
  • fiber-reinforced polymers
  • liquid hydrogen tanks
  • high-pressure storage
  • hydrogen embrittlement
  • permeability
  • sustainable materials
  • advanced manufacturing
  • computational modeling
  • structural performance
  • aerospace applications
  • automotive applications
  • hydrogen economy
  • energy storage systems
  • recycled materials
  • material durability

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Published Papers (1 paper)

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Research

17 pages, 4407 KiB  
Article
Effect of T6 and T8 Ageing on the Mechanical and Microstructural Properties of Graphene-Reinforced AA2219 Composites for Hydrogen Storage Tank Inner Liner Applications
by Bharathiraja Parasuraman, Ashwath Pazhani, Anthony Xavior Michael, Sudhagar Pitchaimuthu and Andre Batako
J. Compos. Sci. 2025, 9(7), 328; https://doi.org/10.3390/jcs9070328 - 25 Jun 2025
Viewed by 319
Abstract
This study examines the mechanical and microstructural properties of graphene-reinforced AA2219 composites developed for hydrogen storage tank inner liner applications. A novel processing route combining high-energy ball milling, ultrasonic-assisted stir casting, and squeeze casting was used to achieve homogeneous dispersion of 0.5 wt.% [...] Read more.
This study examines the mechanical and microstructural properties of graphene-reinforced AA2219 composites developed for hydrogen storage tank inner liner applications. A novel processing route combining high-energy ball milling, ultrasonic-assisted stir casting, and squeeze casting was used to achieve homogeneous dispersion of 0.5 wt.% graphene nanoplatelets and minimise agglomeration. The composites were subjected to T6 and T8 ageing treatments to optimize their properties. Microstructural analysis revealed refined grains, uniform Al2Cu precipitate distribution, and stable graphene retention. Mechanical testing showed that the as-cast composite exhibited a UTS of 308.6 MPa with 13.68% elongation. After T6 treatment, the UTS increased to 353.6 MPa with an elongation of 11.24%. T8 treatment further improved the UTS to 371.5 MPa, with an elongation of 8.54%. Hardness improved by 46%, from 89.6 HV (as-cast) to 131.3 HV (T8). Fractography analysis indicated a shift from brittle to ductile fracture modes after heat treatment. The purpose of this work is to develop lightweight, high-strength composites for hydrogen storage applications. The novelty of this study lies in the integrated processing approach, which ensures uniform graphene dispersion and superior mechanical performance. The results demonstrate the suitability of these composites for advanced aerospace propulsion systems. Full article
(This article belongs to the Special Issue Composite Materials for Hydrogen Storage)
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