H - Electricity – 01 – M
Patent
H - Electricity
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H01M 2/16 (2006.01) H01M 4/24 (2006.01) H01M 4/26 (2006.01) H01M 6/00 (2006.01) H01M 6/04 (2006.01) H01M 10/00 (2006.01) H01M 10/24 (2006.01) H01M 10/28 (2006.01) H01M 12/06 (2006.01)
Patent
CA 2447901
An electrochemical cell is presented having an improved separator disposed at the interfaced of the anode and cathode. In particular, the separator conforms to the contour of the electrode and is thinner than conventional separators made of non-woven fabric. The conformal separator may be formed from combinations of certain polymers and inorganic crosslinking agents. Preferably, the crosslinking agent is a borate or boric acid derivative, and the polymer preferably comprises poly vinyl alcohol.
Cette invention concerne une cellule électrochimique comprenant un séparateur amélioré disposé au niveau de l'interface de l'anode et de la cathode. En particulier, le séparateur correspond exactement au contour de l'électrode et présente une épaisseur inférieure à celle des séparateurs classiques composés d'un textile non tissé. Le séparateur conforme peut être formé à partir de combinaisons de certains polymères et d'agents de réticulation inorganiques. L'agent de réticulation est de préférence un borate ou un dérivé de l'acide borique, et le polymère comprend de préférence un poly(alcool de vinyle).
Bushong William C.
Curtis Stephanie R.
Davidson Gregory J.
Mihara David R.
Moy Gregory S.
Gowling Lafleur Henderson Llp
Rayovac Corporation
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