Back to results
US 12,482,806 B2Granted
Hydrogen absorbing alloy negative electrode and nickel-hydrogen secondary battery including the hydrogen absorbing alloy negative electrode
AssigneeFdk Corporation
InventorsShota Ohata, Akira Saguchi, Jun Ishida, Yuki Ehara, Masaru Kihara
Life of this patent
Estimating the term…
Abstract
A hydrogen absorbing alloy negative electrode is provided. The hydrogen absorbing alloy negative electrode has a hydrogen absorbing alloy, and an additive including yttrium fluoride. A mass of the yttrium fluoride is 0.1 parts by mass or more and 0.2 parts by mass or less based on a hydrogen absorbing alloy powder of 100 parts by mass.
Claims2
A hydrogen absorbing alloy negative electrode comprising:
- a hydrogen absorbing alloy;
- and
- an additive including yttrium fluoride,
- wherein a mass of the yttrium fluoride is 0.1 parts by mass or more and 0.2 parts by mass or less based on a hydrogen absorbing alloy powder of 100 parts by mass;
- and wherein the additive further includes calcium fluoride, and a mass of the calcium fluoride is up to 0.5 parts by mass based on the hydrogen absorbing alloy powder of 100 parts by mass.
2 more elements
Dependencies are inferred from the claim text.