Catalytic hydrogen storage electrode materials for use in electrochemical cells and electrochemical cells incorporating the materials

Patent · Tue Mar 17 00:00:00 EST 1992

OSTI ID:5148758

Fetcenko, M A

This patent describes a V-Ti-Zr-Ni-Cr electrochemical hydrogen storage alloy in which the V, Ti, Zr, Ni and Cr are individually or collectively partially replaced by one or more modifiers, and the alloy has the composition: (V{sub y{prime}{minus}y}Ni{sub y}Ti{sub x{prime}{minus}x}Zr{sub x}Cr{sub z}){sub a}Co{sub b}Nm{sub c}Al{sub d} where x{prime} is between 1.8 and 2.2, x is between 0 and 1.5, y{prime} is between 3.6 and 4.4, y is between 0.6 and 3.5, z is between 0.00 and 1.44, a designates that the V-Ni-Ti-Zr-Cr component, (V{sub y{prime}{minus}y}Ni{sub y}Ti{sub x{prime}{minus}x}Zr{sub x}Cr{sub z}), as a group, is at least 70 atomic percent of the alloy, each of b, c, and d is from 0 to 20 atomic percent of the alloy, the sum of c+d is a positive number and the sum of b+c+d is an effective amount of modifiers up to 30 atomic percent of the alloy.

• Assignee: Energy Conversion Devices, Inc., Troy, MI (United States)
• Patent Number(s): US 5096667; A
• Application Number: PPN: US 7-441489
• OSTI ID: 5148758
• Resource Relation: Patent File Date: 24 Nov 1989
• Country of Publication: United States
• Language: English

Related Subjects

08 HYDROGEN
30 DIRECT ENERGY CONVERSION
CATALYSTS
CHEMICAL COMPOSITION
ELECTROCHEMICAL CELLS
ELECTRODES
MATERIALS TESTING
HYDROGEN STORAGE
CHROMIUM ALLOYS
ENERGY CONVERSION
TITANIUM ALLOYS
VANADIUM ALLOYS
ZIRCONIUM ALLOYS
ALLOYS
CONVERSION
STORAGE
TESTING
080201* - Hydrogen- Chemisorption Storage
300503 - Fuel Cells- Materials
Components
& Auxiliaries