Low pressure nickel hydrogen cell. [uses rare earth intermetallic hydride capable of absorbing and desorbing hydrogen in response to pressure changes]

Patent · Mon Sep 16 04:00:00 EDT 1974

OSTI ID:7186192

Dunlop, J D; Earl, M W; Van Ommering, G

An improved rechargeable power cell comprises a sealed container which includes a first electrode means comprising an oxidizing agent, a second electrode means comprising a catalyst mounted on a conductive support (the catalyst being a material capable of dissociating molecular hydrogen to monatomic hydrogen), an alkaline electrolyte, electrolyte retaining means disposed between the first and second electrode means, and a supply of hydrogen in the container. The improvement comprises a hexagonal rare earth intermetallic hydride disposed within the container out of contact with the electrolyte. The intermetallic hydride is a material capable of absorbing and desorbing hydrogen in response to changes in pressure.

• Assignee: Communications Satellite Corp.
• Patent Number(s): US 3959018
• OSTI ID: 7186192
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ANODES
DESIGN
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ENERGY STORAGE SYSTEMS
HYDRIDES
HYDROGEN COMPOUNDS
METAL-GAS BATTERIES
NICKEL-HYDROGEN BATTERIES
PRESSURE DEPENDENCE
RARE EARTH COMPOUNDS