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Lead acid battery including a two-layer carbon foam current collector

  • US 8,399,134 B2
  • Filed: 11/20/2007
  • Issued: 03/19/2013
  • Est. Priority Date: 11/20/2007
  • Status: Expired due to Fees
First Claim
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1. A lead acid battery comprising:

  • a housing;

    at least one cell disposed within the housing and including at least one positive plate and at least one negative plate; and

    an electrolyte disposed in a volume between the positive and negative plates;

    wherein the at least one negative plate includes a current collector, comprising of a layer of carbon foam physically attached to a structured substrate via a system of mechanical fasteners, and a chemically active material disposed on the current collector.

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