USH1422HExpiredUtilityPatentIndex 60

High voltage lithium rechargeable electrochemical cell

Assignee: US ARMYPriority: May 20, 1991Filed: May 20, 1991Granted: Mar 7, 1995

Est. expiryMay 20, 2011(expired)· nominal 20-yr term from priority

Inventors:WALKER JR CHARLES W SLANE STEVEN M

H01M 10/05H01M 6/162H01M 4/60Y02E60/10

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Abstract

A high voltage, rechargeable lithium electrochemical cell is provided that exhibits high cycling efficiency over many cycles. The cell comprises metallic lithium as the anode, poly 3-methylthiophene (PMT) polymer as the cathode, and LiAsF 6 salt dissolved in dimethylcarbonate (DMC) as the electrolyte.

Claims

exact text as granted — not AI-modified

What is claimed is: 
     
       1. A high voltage, rechargeable lithium electrochemical cell that exhibits high cycling efficiency over many cycles, said cell comprising metallic lithium as the anode, poly 3-methylthiophene (PMT) polymer as the cathode, and LiAsF 6  salt dissolved in dimethyl carbonate (DMC) as the electrolyte. 
     
     
       2. An electrochemical cell according to claim 1 wherein the electrolyte is 1.46M LiAsF 6  -DMC. 
     
     
       3. An electrochemical cell according to claim 1 wherein the cathode is 1.4 μm thick PMT. 
     
     
       4. An electrochemical cell according to claim 1 wherein the electrolyte is 1.46M LiAsF 6  -DMC and wherein the cathode is 1.4 μm thick PMT.

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