Electrochemical cell including ribbed electrode substrates

Patent · Tue Jul 21 04:00:00 EDT 1981

OSTI ID:5762017

Breault, R D; Goller, G J; Roethlein, R J; Sprecher, G C

An electrochemical cell including an electrolyte retaining matrix layer located between and in contact with cooperating anode and cathode electrodes is disclosed herein. Each of the electrodes is comprised of a ribbed (or grooved) substrate including a gas porous body as its main component and a catalyst layer located between the substrate and one side of the electrolyte retaining matrix layer. Each substrate body includes a ribbed section for receiving reactant gas and lengthwise side portions on opposite sides of the ribbed section. Each of the side portions includes a channel extending along its entire length from one surface thereof (e.g., its outer surface) to but stopping short of an opposite surface (e.g., its inner surface) so as to provide a web directly between the channel and the opposite surface. Each of the channels is filled with a gas impervious substance and each of the webs is impregnated with a gas impervious substance so as to provide a gas impervious seal along the entire length of each side portion of each substrate and between the opposite faces thereof (e.g., across the entire thickness thereof).

• Assignee: Electric Power Research Institute
• Patent Number(s): US 4279970
• OSTI ID: 5762017
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
CONFIGURATION
DESIGN
ELECTROCHEMICAL CELLS
ELECTRODES
LAYERS
MATERIALS
POROUS MATERIALS
SUBSTRATES