Method for modifying surface of hydrogen storage alloy for NI/MH secondary battery using flake type metal
AssigneeKorea Advanced Institute of Science and Technology
InventorsJai Young Lee, Ji Sang Yu, Seoung Hoe Kim, Sang Min Lee, Ho Lee, Jeong Gun Park
Life of this patent
Estimating the term…
Abstract
Disclosed is a method for modifying a surface of a hydrogen storage alloy for an Ni/MH secondary battery using flake type metal comprising the steps of ball-milling metal powder to produce flake type metal powder; and ball-milling the flake metal powder together with hydrogen storage alloy powder to obtain mixture powder. The method according to the present invention provides the hydrogen storage alloy capable of increasing discharge capacity of an electrode and lengthening electrode life duration for the Ni/MH secondary battery.
Claims7
A method for modifying a hydrogen storage alloy for an Ni/MH (nickel-metal hydride) secondary battery using flake type metal, the method comprising the steps of:
- ball-milling metal powder to produce flake type metal powder;
- and
- ball-milling the flake metal powder together with hydrogen storage alloy powder to obtain mixture powder.
Dependencies are inferred from the claim text.