Solid polymer electrolyte-based oxygen batteries

Details Solid polymer electrolyte-based oxygen batteries Solid polymer electrolyte-based oxygen batteries

1995-01-05

1996-04-23

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 429 27, 429 29, 429 33, H01M 616, H01M 618, H01M 810

Patent

active

055102093

ABSTRACT:
This invention features polymer-based batteries comprising metal anodes and an oxygen gas cathode. The oxygen is not stored in the battery but rather it is accessed from the environment. This solid-state battery is constructed by sandwiching a metal ion conductive polymer electrolyte film between a metal anode (negative electrode) and a composite carbon electrode which serves as the cathode current collector on which the electroactive oxygen is reduced during discharge of the battery to generate electric current. The metal anodes include lithium, magnesium, sodium, calcium, aluminum and zinc.

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Vassort et al., "ACEP Ambient Temperature Lithium Batteries, Improved Performance,"published in Primary and Secondary Ambient Temperature Li Batteries,The Electrochemical Society, Pennington, N.J., PV88-6, 780 (1986) month unavailable.
Abraham and Alamgir, "Room Temperature Polymer Electrolytes and Batteries Based on Them,"Published in Solid State Ionics, 70/71, p. 20 (1994). month unavailable.

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