Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
An Oxygen Sensor Composed of Tightly Stacked Membrane/Electrode/Electrolyte
Katsumi KatakuraAtsushi NomaZempachi OgumiZen-ichiro Takehara
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1990 Volume 19 Issue 8 Pages 1291-1294

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Abstract

A new type amperometric oxygen sensor operating at room temperature is constructed using Nafion, porous platinum cathode directly deposited on Nafion, and a polyethylene film covering the cathode surface directly. An oxygen reduction current is limited by oxygen diffusion rate through the diffusion-limiting polyethylene film and it changes in proportion to oxygen concentration of gases up to 100%.

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© 1990 The Chemical Society of Japan
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