Japanese hydrogen energy storage materials

What are hydrogen storage alloys?

Hydrogen storage alloys are a safe and stable material to store and transport hydrogen for long periods of time. These alloys can absorb and release hydrogen easily. They can safely store hydrogen at a higher density than liquid hydrogen and are already used as stationary tanks.

Can Japan make hydrogen energy economically viable?

Japanese companies are pioneering the application of hydrogen technology across various sectors, including steelmaking. Despite the optimistic outlook and advancements, Japan, like the rest of the world, faces challenges in making hydrogen energy economically viable.

What are the methods of hydrogen storage in aluminum alloys?

The methods to be explored included metal hydrides, chemical storage methods, and carbon-based materials. Schematic of the aluminum alloy infused with hydrogen (blue dots). Japanese researchers claim it is the first simple-structure interstitial aluminum alloy, and that it has potential for hydrogen storage.

Why is Japan a leader in hydrogen technology?

Japan, where energy resources are limited, has led globally by formulating the Basic Hydrogen Strategy in 2017 and advancing the development of hydrogen-related technologies.

What is Japan's basic hydrogen strategy?

In June 2023, the Japanese government revised its Basic Hydrogen Strategy to support such corporate initiatives. This strategy identifies nine key technologies, including fuel cells and water electrolysis devices and has decided to invest over JPY 15 trillion ($98.8 billion) over the next 15 years.

Why do metal hydrides have potential for hydrogen storage?

Metal hydrides are seen as having potential for hydrogen storage because of their ability to concentrate the gas in solid form. The gas is forced to permeate the spaces, or interstices, between the metal’s own atoms.