H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/16 (2006.01) C22C 11/06 (2006.01) H01M 4/56 (2006.01) H01M 4/68 (2006.01) H01M 4/73 (2006.01) H01M 4/84 (2006.01)
Patent
CA 2297768
The invention concerns a method for the continuous manufacture of acid lead positive battery grids, comprising the following steps: a) preparing a lead alloy containing calcium, at a relative concentration ranging between 0.04 wt.% and 0.12 wt.%, of tin at a relative concentration less than 3 wt.%, aluminium, at a relative concentration ranging between 0.001 wt.% and 0.035 wt.%, and barium, at a relative concentration ranging between 0.02 wt.% and 0.1 wt.%; b) carrying out a continuous casting of said lead alloy; c) mechanically treating said continuous alloy casting to form said positive grids.
L'invention concerne un procédé de fabrication en continu de grilles positives d'accumulateurs au plomb acide, qui comprend les étapes suivantes: a) on prépare un alliage de plomb qui comprend du calcium, à une concentration relative en poids comprise entre 0,04 % et 0,12 %, de l'étain à une concentration relative en poids inférieure à 3 %, de l'aluminium, à une concentration relative en poids comprise entre 0,001 % et 0,035 %, et du baryum, à une concentration relative en poids comprise entre 0,02 % et 0,1 %, b) on réalise une coulée continue dudit alliage de plomb, c) on traite mécaniquement ladite coulée continue d'alliage pour former lesdites grilles positives.
Albert Luc
Madelin Bertrand
Metaleurop S.a.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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