Rechargeable lead-hydrogen electrochemical cell

Patent · Sun Aug 21 04:00:00 EDT 1983

OSTI ID:5899447

Puglisi, V J

An improved rechargeable lead-hydrogen electrochemical cell is provided which comprises a cell stack secured to a retainer and disposed within a pressure vessel containing hydrogen gas. The stack includes a positive electrode comprising lead oxide, a pair of gas-porous negative electrodes containing a catalyst, a pair of separators and a pair of gas screens. The stack components are saturated with sulfuric acid electrolyte. Each of the negative electrodes has a separator disposed on one side thereof and a gas screen disposed on the opposite side thereof. The pressure vessel contains a gas inlet, and electrical leads connect to, respectively, the positive and negative electodes and exit the pressure vessel. In the charged form, the cell reactants exist as lead oxide and hydrogen gas. When the cell is discharged, the lead oxide is reduced to lead sulfate and the hydrogen gas is oxidized at a catalytic surface to hydrogen ion. The cell has a lower cost with fewer technical problems, has a higher specific energy density and has a superior performance, relative to conventional metal hydrogen cells.

• Assignee: Yardney Corporation
• Patent Number(s): US 4467020
• OSTI ID: 5899447
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250901* -- Energy Storage-- Batteries-- Design & Development
BATTERY SEPARATORS
CONTAINERS
DENSITY
DESIGN
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTROLYTES
ELEMENTS
HYDROGEN
HYDROGEN COMPOUNDS
INORGANIC ACIDS
LEAD
METAL-GAS BATTERIES
METALS
NONMETALS
PERFORMANCE
PHYSICAL PROPERTIES
PRESSURE VESSELS
SULFURIC ACID