Patent ID: 6179884
Filing Date: 2001-01-30
Classification: B01D,B32B,C04B,C25B,H01M,Y02E,Y02P,Y10T

Abstract:
A process for manufacturing an electrochemical cell, comprising:feeding continuously and simultaneously a first pug for forming a first shaped body for an electrode and a second pug for forming a second shaped body for a separator into a unitary extrusion die;extruding the first and second pugs from said die in the form of a layered body comprising said first shaped body for the electrode and said second shaped body for a separator conjugated with each other, said layered body comprising gas flow passages formed during the extrusion step, each of the gas flow passages being located on opposite sides in said first and second shaped bodies via an interface between said first and second shaped bodies; andsintering said layered body into a monolithic body.