INTEGRAL ELECTROLYTE RESERVOIR PLATE

Porous Plate for an Electrochemical Cell and Method for Making the Porous Plate A seal structure for a porous plate of an electrochemical cell includes a sealing material disposed in a seal region of the plate to form a hydrophilic barrier to gas with an electrolyte and a hydrophobic layer to block...

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Bibliographic Details
Main Authors RAJPOLT, MICHAEL J, TROCCIOLA, JOHN C, BREAULT, RICHARD D
Format Patent
LanguageEnglish
French
Published 12.11.1991
Edition5
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:Porous Plate for an Electrochemical Cell and Method for Making the Porous Plate A seal structure for a porous plate of an electrochemical cell includes a sealing material disposed in a seal region of the plate to form a hydrophilic barrier to gas with an electrolyte and a hydrophobic layer to block the loss of electrolyte from the hydrophilic layer is disclosed. Various construction details including a method for making the plate are disclosed which increase the cross pressure the sealing region of the plate can withstand. In one embodiment, the seal region is impregnated with powder having a low structure and predetermined particle size using a pressurized liquid carrier. A FEP Teflon ? film bonds adjacent electrolyte reservoir plates together.
Bibliography:Application Number: CA19870555385