Patent 8227103 was granted and assigned to Quallion on July, 2012 by the United States Patent and Trademark Office.
A battery pack includes a porous medium positioned in a case. The porous medium hold several batteries. The battery pack also includes terminals for accessing power from the batteries held by the porous medium. The terminals are accessible from outside of the case. The battery pack also includes a flame retardant absorbed into pores of the porous medium.