Lightweight plastic grids for lead/acid battery plates have been prepared from acrylonitrile butadiene styrene copolymer. The grids have been coated with a conductive and corrosion-resistant tin oxide layer by a novel rapid thermally activated chemical reaction process. X-ray powder diffraction and X-ray photoelectron spectroscopy show the coated tin oxide film to be SnO 2-like. The grids are about 75% lighter than conventional lead/acid battery grids. A 6 V/1 Ah lead/acid battery has been assembled and characterized employing positive and negative plates made from these grids. The energy density of such a lead/acid battery is believed to be more than 50 Wh/kg. © 2004 The Electrochemical Society. All rights reserved.

Surendra Kumar Martha

Department of Chemistry

B. Hariprakash

A.U. Mane

S.A. Gaffoor

S.A. Shivashankar

A.K. Shukla

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IIT Hyderabad

Electrochemical and Solid-State Letters

A Low-Cost, High Energy-Density Lead/Acid Battery

Journal	Electrochemical and Solid-State Letters
ISSN	10990062