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Conductive plastic reduces battery weight

By Scott Jenkins |

Integral Technology (Canton, Mich.; www.electriplast.com) has developed bipolar plates made from its electrically conductive plastic that can be used to reduce the space required for 12- and 24-V batteries, and virtually eliminate the need for lead metal in traditional lead-acid vehicle batteries. The bipolar plates, with positive and negative sides, are made from the company’s conductive plastic, which consists of copper-coated carbon nanofibers inside conventional plastic resins (Chem. Eng., June 2015, p. 11; www.chemengonline.com/conductive-plastic-high-conductivity-applications). After the electrically conductive plastic plates are made, the company applies a patented process that renders them bipolar. The plates are then stacked for use in battery applications. “The plates can be made in any shape, and they can greatly reduce the space required for the same power output,” explains Doug Bathauer, CEO of Integral Technologies. Also, use of the bipolar plates, which contain no lead, allows a drastic reduction in the amount of lead compared to what would be found in conventional 12- and 24-V batteries. The bipolar plates have been fully tested in batteries, and the company is now searching for a development partner to help commercialize…
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