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Hydraulically refueled battery employing a packed bed metal particle electrode

United States Patent

December 15, 1998
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
A secondary zinc air cell, or another selected metal air cell, employing a spouted/packed metal particle bed and an air electrode. More specifically, two embodiments of a cell, one that is capable of being hydraulically recharged, and a second that is capable of being either hydraulically or electrically recharged. Additionally, each cell includes a sloped bottom portion to cause stirring of the electrolyte/metal particulate slurry when the cell is being hydraulically emptied and refilled during hydraulically recharging of the cell.
Siu; Stanley C. (Castro Valley, CA), Evans; James W. (Piedmont, CA)
Lawrence Berkeley Laboratory (Berkeley, CA)
08/ 819,653
March 17, 1997
GOVERNMENT RIGHTS The invention described herein was made with Government support under Contract No. DE-AC03-76SF00098 between the U.S. Department of Energy and the University of California for the operation of Lawrence Berkeley National Laboratory. The U.S. government has certain rights in this invention as described in that contract.