Volume 46, Issue 12 pp. 16150-16177
REVIEW PAPER

A comprehensive review of the prospects for future hydrogen storage in materials-application and outstanding issues

Sheetal Kumar Dewangan

Sheetal Kumar Dewangan

Department of Materials Science and Engineering, Ajou University, Suwon, South Korea

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Man Mohan

Man Mohan

Department of Mechanical Engineering, Rungta College of Engineering and Technology, Bhilai, India

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Vinod Kumar

Vinod Kumar

Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore, Simrol, India

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Ashutosh Sharma

Corresponding Author

Ashutosh Sharma

Department of Materials Science and Engineering, Ajou University, Suwon, South Korea

Correspondence

Ashutosh Sharma and Byungmin Ahn, Department of Materials Science and Engineering, Ajou University, Suwon 16499, South Korea.

Email: [email protected] (AS); [email protected] (BA)

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Byungmin Ahn

Corresponding Author

Byungmin Ahn

Department of Materials Science and Engineering, Ajou University, Suwon, South Korea

Department of Energy Systems Research, Ajou University, Suwon, South Korea

Correspondence

Ashutosh Sharma and Byungmin Ahn, Department of Materials Science and Engineering, Ajou University, Suwon 16499, South Korea.

Email: [email protected] (AS); [email protected] (BA)

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First published: 18 July 2022
Citations: 82

Funding information: National Research Foundation of Korea, Grant/Award Numbers: 2021R1A2C1005478, 2021R1A4A1031357

Summary

The ongoing population explosion has led to the rapid consumption of different energy sources. The continuous demand for energy and its associated services for socio-economic development is concerning due to the reduction of natural energy sources. Therefore, research to explore clean and sustainable energy sources to fulfill this energy demand has continuously been conducted over the past decades. Hydrogen is widely accepted as a possible energy carrier owing to its advantages, such as ease of availability, renewability, and environmentally friendly nature. Hydrogen storage in the liquid or gaseous form poses safety and transportation challenges. In this context, metal hydrides are a vital solution. This review article discusses unique collections of HEA-based metal hydrides for the first time in conjunction with conventional metal hydrides. This article can potentially guide the materials research community in understanding the current challenges associated with designing novel hydrogen storage alloys from a clean energy perspective and their applications. The review suggests improving the thermodynamics and hydrogen reaction kinetics to enhance hydrogen storage capacity. Finally, the global developing trends are reviewed and critical challenges and promising opportunities are identified.

Highlights

  • Essential aspects of various alloys and their hydrides are analyzed.
  • This review supports the utilization of hydrogen as clean energy fuel and its possible storage measures.
  • The review provides an imperative connection of the metal hydrides, including emerging high-entropy alloy hydrides, with renewable and sustainable energy.
  • Metal hydrides are an economic option for hydrogen-based energy applications.
  • This review focuses on present issues and the prospective application of hydrogen storage.

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