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

Patent · Tue Mar 17 04:00:00 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): A; US 5096667
• Application Number: PPN: US 7-441489
• OSTI ID: 5148758
• Country of Publication: United States
• Language: English

Related Subjects

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