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The relationship between structure and electrochemical properties of porous gas electrodes

✍ Scribed by R.Chs. Burshtein; V.S. Markin; A.G. Pshenichnikov; V.A. Chismadgev; Y.G. Chirkov

Publisher
Elsevier Science
Year
1964
Tongue
English
Weight
857 KB
Volume
9
Category
Article
ISSN
0013-4686

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✦ Synopsis

The current-density dependence of nickel gas electrodes with different structures on the pressure difference between the gas and the electrolyte has been investigated

The expcrunental results are explained by assummg an electrodes model which comprises two kinds of pores According to this model the electrochemical reaction takes place on the surface of macropores free from electrolyte and m the vlcmlty of the mouth of mlcropores filled with electrolyte The current flows through the micropores filled with electrolyte The problem of capillary eqmhbnum m porous bodies 1s considered

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## Abstract Gas permeability coefficients of a series of aromatic polyimides, which were prepared from oxydiphthalic dianhydride (ODPA) with various aromatic diamines, with respect to H~2~, CO~2~, O~2~, N~2~, and CH~4~ were measured under 10 atm and in the temperature range from 30 to 150Β°C. A sign