Thermal management of rechargeable batteries

  • US 5,501,918 A
  • Filed: 08/11/1994
  • Issued: 03/26/1996
  • Est. Priority Date: 02/08/1993
  • Status: Expired due to Fees
First Claim
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1. A battery stack, comprising:

  • a plurality of stacked, sealed cells, each cell containing a pair of positive and negative electrodes, a separator interposed between the electrodes, an electrolyte permeating the separator, a plastic casing enclosing each cell, and electrical connections for connecting the electrodes of each cell to associated terminals;

    wherein at least one casing is spaced from the casing of an adjacent cell in the stack by plastic projections integrally molded on the at least one casing that leave an air space for heat dissipation between adjacent cells, the air space being open along an edge of the stacked cells, and the plastic projections are bonded to the adjacent cell casing such that the stack of cells forms an integral unit.

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