Patent ID: 6544686
Filing Date: 2003-04-08
Classification: H01M,Y02E

Abstract:
A metal-alkaline battery cell comprising:a cathode including a catalyst and a conductive material; a first terminal electrically connected to the cathode; a mixture comprising an electrolyte, a metal, and a PEG derivative, said electrolyte comprising at least one ion, said PEG derivative having a hydrophilic moiety replacing at least one terminal hydroxyl group of a PEG molecule, wherein said PEG derivative is polyethylene glycol bicarboxy methyl ether (PEG BCME); a second terminal electrically connected to said mixture; and a separator, said separator being in contact with each of said cathode and said mixture while separating said cathode and said mixture from each other, and allowing said at least one ion in said electrolyte to travel between said mixture and said cathode.