Bifunctional air electrodes containing elemental iron powder charging additive

Patent · Fri Jan 01 00:00:00 EST 1982

OSTI ID:864280

Liu, Chia-tsun ^[1]; Demczyk, Brian G ^[2]; Gongaware, Paul R ^[3]

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1. Monroeville, PA
2. Rostrover Township, Westmoreland County, PA
3. Penn Township, Westmoreland County, PA

A bifunctional air electrode for use in electrochemical energy cells is made, comprising a hydrophilic layer and a hydrophobic layer, where the hydrophilic layer essentially comprises a hydrophilic composite which includes: (i) carbon; (ii) elemental iron particles having a particle size of between about 25 microns and about 700 microns diameter; (iii) an oxygen evolution material; (iv) a nonwetting agent; and (v) a catalyst, where at least one current collector is formed into said composite.

• Research Organization: Westinghouse Electric Corp., Pittsburgh, PA (United States)
• DOE Contract Number: EY-76-C-02-2949
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4341848
• OSTI ID: 864280
• Country of Publication: United States
• Language: English

Related Subjects

bifunctional
air
electrodes
containing
elemental
iron
powder
charging
additive
electrode
electrochemical
energy
cells
comprising
hydrophilic
layer
hydrophobic
essentially
comprises
composite
carbon
ii
particles
particle
size
25
microns
700
diameter
iii
oxygen
evolution
material
nonwetting
agent
catalyst
current
collector
formed
iron powder
chemical energy
current collector
air electrode
particle size
electrochemical energy
wetting agent
oxygen evolution
hydrophilic layer
charging additive
essentially comprises
hydrophobic layer
energy cells
bifunctional air
electrodes containing
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