H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 2/16 (2006.01) H01M 2/18 (2006.01) H01M 2/14 (2006.01) H01M 10/06 (2006.01)
Patent
CA 2252946
A battery separator (10) for use in flooded cell type lead acid batteries comprising a backweb (20) of a porous, acid resistant, embossable material with a plurality of ribs (14a-14g) extending from at least one planar surface (12) of the backweb (20). The ribs are located across the width of the backweb (20) and extend in a direction substantially parallel to the longitudinal dimension of the backweb (20). Each rib is an embossed corrugated structure comprised of alternating ridges (22a-22d) and furrows (23a-23d). The ridges and furrows are in non-parallel alignment to the longitudinal dimension of the separator, and preferably perpendicular thereto. The ribs are formed on a substantially flat battery separator backweb (20) by passing the backweb (20) through the nip formed by a pair of opposed embossing rollers (30, 32).
Ce séparateur (10) d'accumulateurs destiné à des accumulateurs au plomb à pile ouverte comprend un élément support (20) constitué d'un matériau poreux, résistant aux acides, gaufrable, comportant une pluralité de nervures (14a-14g) qui partent d'au moins une surface plane (12) dudit support (20). Les nervures s'étendent sur toute la largeur du support (20) dans une direction sensiblement parallèle à la dimension longitudinale du support (20). Chaque nervure est une structure gaufrée, ondulée et constituée d'une alternance de crêtes (22a-22d) et de sillons (23a-23d). Les crêtes et les sillons sont disposés selon un alignement non parallèle à la dimension longitudinale du séparateur et de préférence perpendiculaire à celle-ci. On forme les crêtes sur un élément support (20) de séparateur d'accumulateur sensiblement plan en faisant passer ce support (20) dans la ligne de pincement d'une paire de rouleaux de gaufrage opposés (30, 32).
Alexander Francis E.
Young James
Amtek Research International Llc
Smart & Biggar
LandOfFree
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