Hydrogen Storage Alloys
Engineered Powders Division

Hydrogen Storage Alloys

It is a material capable of storing hydrogen in a chemically stable form.

Summary

Also suitable for automotive nickel-metal hydride battery applications with stringent quality requirements

By using high-purity raw materials and implementing advanced process control, we manufacture and sell Hydrogen Storage Alloys , which meets the stringent quality requirements for applications such as automotive nickel-metal hydride batteries.

Features and Strengths

  1. Safety

  2. Space-Saving Storage

  3. Long-term storage

Examples of Uses

・Anode material for nickel-metal hydride batteries
・Zero-emission tractors, ships, and boiler fuel sources
・Backup power supply
・Hydrogen Purification
・Heat Pump
・Step-up converter
・Mobility aids

Line-up

Mitsui Kinzoku We have Line-upseveral alloys with different hydrogen storage characteristics, pressure ranges, durability, and material compositions.
We can select and customize the optimal product to suit your application, local regulations, and storage conditions.

Alloy Type AB5
Rare-earth alloys
AB2
Raves Alloy
AB
Titanium-based alloys
Characteristic THS-001 THS-101 THS-102 THS-201 Under Development
Hydrogen storage capacity (wt%) 1.4 1.5 1.5 1.7 -
Operating Temperature (°C) 0–100 0–100 0–100 0–100 -
Average Discharge Pressure (MPa) - 0.4 1.0 1.4 -
Flatness (Pressure Gradient) 1.6 0.4 0.1 0.6 -
Hysteresis - 0.3 0.4 0.4 -
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Covers a wide pressure range
The relationship between absorption capacity and pressure varies depending on the alloy type.
Of course, the pressure range can be adjusted by modifying the alloy.

Pressure-composition isotherms for three types of AB5-based Hydrogen Storage Alloys (THS-102/101/001) at 20°C. A line graph comparing the adsorption and desorption characteristics of each alloy and the pressure difference in the plateau region, with hydrogen concentration on the horizontal axis and pressure (on a logarithmic scale) on the vertical axis.
Hydrogen Storage Alloys For those who want to learn more about...

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