Method and apparatus for maintaining cell wall integrity...

Details Method and apparatus for maintaining cell wall integrity... Method and apparatus for maintaining cell wall integrity...

2009-07-17

2010-06-15

Cantelmo, Gregg (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

C429S050000, C429S053000, C429S176000

Reexamination Certificate

active

07736799

ABSTRACT:
A method and apparatus is provided in which a layer of an intumescent material surrounds the casing of a battery, the layer helping to prevent the formation of perforations in the battery casing during a thermal runaway event and, if a perforation is formed, inhibiting the flow of hot, pressurized gas from within the battery. A sleeve, surrounding the cell, may be used to contain the intumescent material during the thermal event.

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Berdichevsky et al., The Tesla Roadster Battery System, http://www.teslamotors.com/display—data/TeslaRoadsterBatterySystem.pdf, Aug. 16, 2006, pp. 1-5.

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