Patent 7087344 Issued on August 8, 2006. Estimated Expiration Date: December 26, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
429/66, HAVING MEANS TO ACCOMMODATE ELECTRODE EXPANSION429/162, Flat-type unit cell and specific unit cell components429/176, Container only429/9, HAVING DIVERSE CELLS OR DIVERSE REMOVABLE CELLS IN A SUPPORT MEANS429/101, FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION HAVING AREAS OF NONMIXTURE429/152, Individual cells connected in repeating contiguous layered units429/149, Plural cells429/99For plural cells
A battery module includes a battery cell having a laminate overcoat, a pair of rubber sheets, a pair of pressure plates, and a pair of housing members from the internal to the external of the battery module. An intervention member including four poles is interposed between the pressure plate and the housing member at the central area of the battery cell to alleviate the stress concentration on the peripheral area of the battery cell. The intervention member may be formed separately from or integrated with the pressure plate.