Method for the manufacture of an electrochemical cell or...

H - Electricity – 01 – M

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319/41, 319/8

H01M 8/00 (2006.01) B01D 61/50 (2006.01) B01D 63/08 (2006.01) C25B 9/00 (2006.01) H01M 8/24 (2006.01) H01M 10/04 (2006.01)

Patent

CA 1131305

ABSTRACT The invention relates to a method for the manufacture of an electrochemical cell or battery. consisting of a stack of plate-shaped elements, each of which consists of a sheet or plate of electrode material which is mounted in a frame made of electrically insulating fibrous-web material impregnated with a non-polymerized thermosetting synthetic material, which elements in a first compression moulding stage are heated under pressure for a relatively short primary time at a relatively low primary temperature under which conditions the thermosetting synthetic material flows well but polymerizes only to a minor degree, thereafter the elements are combined with other battery components are stacked into an electrochemical cell package which in a second compression moulding stage is formed into a coherent block by compression for a relatively long secondary time and at a relatively high secondary temperature to set the thermosetting synthetic material.

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