Multi-ply laminar pasted air electrodes
First Claim
Patent Images
1. An electrode, for use in an electrochemical energy cell, comprising:
- a multi-layer hydrophilic section consisting of at least two, substantially uncompacted, contacting, laminated plaques containing loaded, catalytic active battery material;
each of the separate loaded plaques consisting of an integral 75% porous to 95% porous metal current collector surrounded by catalytic active material and having between about 45% to about 95% of the pore volume within the plaque structure filled with the catalytic active material after loading, wherein the hydrophilic section does not contain a separate, thick, active material layer attached thereto, and the weight ratio of catalytic active material;
plaque current collector in the laminated layers is between 0.40;
1 and 2.0;
1.
0 Assignments
0 Petitions
Accused Products
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.
74 Citations
13 Claims
-
1. An electrode, for use in an electrochemical energy cell, comprising:
- a multi-layer hydrophilic section consisting of at least two, substantially uncompacted, contacting, laminated plaques containing loaded, catalytic active battery material;
each of the separate loaded plaques consisting of an integral 75% porous to 95% porous metal current collector surrounded by catalytic active material and having between about 45% to about 95% of the pore volume within the plaque structure filled with the catalytic active material after loading, wherein the hydrophilic section does not contain a separate, thick, active material layer attached thereto, and the weight ratio of catalytic active material;
plaque current collector in the laminated layers is between 0.40;
1 and 2.0;
1. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a multi-layer hydrophilic section consisting of at least two, substantially uncompacted, contacting, laminated plaques containing loaded, catalytic active battery material;
-
10. An electrode, for use in electrochemical energy cells, comprising:
-
A. a multi-layer hydrophilic section having a thickness of between about 0.010 inch to about 0.150 inch, consisting of from 3 to 8 substantially uncompacted, contacting, laminated plaques containing loaded, catalytic active battery material primarily within its structure, to provide catalytic active sites within the plaques;
each of the separate loaded plaques consisting of an integral, 75% porous to 95% porous, about 0.005 inch to about 0.050 inch thick diffusion bonded metal fiber current collector surrounded by catalytic active material and having between about 45% to about 95% of the pore volume within the plaque structure filled with the catalytic active material, wherein the hydrophilic section does not contain a separate, thick, active material layer attached thereto, and the weight ratio of catalytic active material;
plaque current collector in the laminated layers is between 0.40;
1 and 2.80;
1, andB. a hydrophobic layer bonded to the multi-layer hydrophilic section. - View Dependent Claims (11, 12, 13)
-
Specification