Accumulator with plastic housing

H - Electricity – 01 – M

Patent

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Details

H01M 2/06 (2006.01) H01M 2/02 (2006.01) H01M 2/04 (2006.01) H01M 2/08 (2006.01) H01M 2/12 (2006.01) H01M 10/24 (2006.01) H01M 10/34 (2006.01)

Patent

CA 2168100

So that an accumulator having a gas-tight and liquid-tight, electrolyte-filled casing in which are arranged electrodes which are separated from each other by a separator and which are each electrically connected to pole contacts accessible from the outside of the casing can be produced in an advantageous manner from the point of view of the manufacturing procedure, wherein the accumulator is to have a durably and reliably sealed casing which is not restricted in terms of its shape, it is provided that in the region of the pole contacts the casing comprises a soft plastic material and a hard plastic material which are fixedly connected together, the soft plastic material forming a seal for the pole contacts and/or the feed-through ducting means of the pole contacts.

L'invention concerne un accumulateur qui comporte un boîtier étanche aux gaz et aux liquides, rempli d'un électrolyte, dans lequel se trouvent des électrodes séparées mutuellement par un séparateur. Les électrodes sont connectées électriquement aux contacts polaires accessibles depuis la face extérieure du boîtier. Afin de pouvoir produire avantageusement cet accumulateur qui doit par conséquent comporter un boîtier étanche de manière durable et fiable, dont la conformation ne soit pas limitée, il est prévu que ledit boîtier se compose d'un plastique souple et d'un plastique dur dans la zone des contacts polaires, liés solidement l'un à l'autre. Le plastique souple constitue une garniture d'étanchéité pour les contacts polaires et/ou les passages desdits contacts polaires.

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