The United States of America As Represented by the United States

Brian G Demczyk

Chia-Tsun Liu

Paul R Gongaware

Irvin R Rittko

An electrode is made comprising a porous backing sheet, and attached thereto a catalytically active layer having an electrolyte permeable side and a backing layer contacting side, where the active layer comprises a homogeneous mixture of active hydrophobic and hydrophilic agglomerates with catalyst disposed equally throughout the active layer, and where the agglomerate size increases from the electrolyte permeable side to the backing sheet contacting side.

Size and weight graded multi-ply laminar electrodes

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:

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Rostrover Township, Westmoreland County, PA, United States of America

Brian G Demczyk