U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Multi-ply laminar pasted air electrodes

Patent 4152489 Issued on May 1, 1979. Estimated Expiration Date: Icon_subject August 26, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3457113

3513029

3515595

3592695

3840407

3930094

Metal/air cells and improved air electrodes for use therein Patent #: 3977901
Issued on: 08/31/1976
Inventor: Buzzelli

Inventor

Assignee

Application

No. 05/828058 filed on 08/26/1977

US Classes:

429/27, Active material electrode-type cell or subcombination thereof429/44Having an inorganic matrix, substrate or support

Examiners

Primary: Walton, Donald L.

Attorney, Agent or Firm

International Class

H01M 4/86 (20060101)

Abstract

An air electrode, for use in electrochemical energy cells, is made, comprising a multi-layer hydrophilic section, consisting of at least two substantially uncompacted laminated layers of plaques cntaining loaded, catalytically active battery material; each loaded plaque consisting of a 75% porous to 95% porous metal current collector, having between about 45% to about 95% of its pore volume filled with the active material, where the weight ratio of active material:plaque current collector in the laminated layers is between 0.40:1 and 2.80:1.

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