# US 2014/0194282 A1 · Metal hydride alloy with catalytic particles

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- Number: US 2014/0194282 A1
- Document ID: US20140194282A1
- Status: Published application
- Kind: A1
- Application number: 13/735,552
- Filed: 2013-01-07
- Published: 2014-07-10
- Earliest claimed: 2013-01-07
- Assignees: Ovonic Battery Company, Inc.
- Applicants: Ovonic Battery Company, Inc.
- Inventors: Kwo Young; Benjamin Reichman; Michael A. Fetcenko
- Web page: https://patentgrep.com/patent/US20140194282A1

## CPC

- H01M 4/383: {Hydrogen absorbing alloys}
- B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites
- Y02E 60/10: Energy storage using batteries
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The performance of an ABx type metal hydride alloy is improved by adding an element to the alloy which element is operative to enhance the surface area morphology of the alloy. The alloy may include surface regions of differing morphologies.

## Claims

### Claim 1

A hydrogen storage material having a bulk region and an interface oxide region, said oxide region characterized by metallic catalytic nickel particles having an average particle size of 5-15 angstroms and said particles are distributed throughout the oxide.

### Claim 2 (depends on 2)

A hydrogen storage material as in claim 2, wherein the average particle size is 7-12 angstroms.

### Claim 3 (depends on 1)

A hydrogen storage material as in claim 1, wherein the nickel particles are nickel alloys.

### Claim 4 (depends on 3)

A hydrogen storage material as in claim 3, wherein interface oxide region further includes channels having a cross-sectional dimension greater than 20 angstroms.

### Claim 5 (depends on 4)

A hydrogen storage material as in claim 4, wherein said channels have a length greater than their cross-sectional dimension.

### Claim 6 (depends on 5)

A hydrogen storage material as in claim 5, wherein at least a portion of the nickel particles extend into and/or are supported in the interior of said channels.