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US 7,465,518 B2Granted
Cell with copper oxide cathode
AssigneeEveready Battery Company, Inc.
InventorsMichael F. Mansuetto, Andrew Webber
Life of this patent
Estimating the term…
Abstract
An electrochemical battery cell with CuxO, where x is from 0.9 to 1.3, as a positive electrode active material. The specific surface area of the CuxO is from 1.0 to 4.0 m2/gram, preferably from 1.0 to 2.9 m2/g to provide an increase in the high voltage discharge capacity of the CuxO.
Claims12
An electrochemical battery cell comprising:
- a cell container;
- a positive electrode comprising a positive electrode active material;
- a negative electrode comprising a negative electrode active material comprising zinc;
- a separator disposed between the positive and negative electrodes;
- and
- an electrolyte;
- wherein the positive electrode active material comprises copper oxide and one or more additional active materials, the one or more additional positive electrode active materials comprises manganese dioxide, the copper oxide has a formula CuxO, where x is from 0.9 to 1.3, and the copper oxide has a BET specific surface area from 1.0 to 2.9 m2 /gram.
4 more elements
An electrochemical battery cell comprising:
- a cell container;
- a positive electrode comprising a positive electrode active material;
- a negative electrode comprising a negative electrode active material comprising zinc;
- a separator disposed between the positive and negative electrodes;
- and
- an aqueous alkaline electrolyte;
- wherein
- the positive electrode active material comprises copper oxide having a formula CuxO, where x is from 0.9 to 1.3, a BET specific surface area from 1.0 to 2.9 m2 /gram, and a particle size distribution with a D50 value less than 50 μm as measured by laser diffraction analysis using a unified scatter technique, and the positive electrode active material further comprises manganese dioxide.
5 more elements
Dependencies are inferred from the claim text.