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A study of gas evolution in teflon bonded porous electrodes—II: Factors affecting the mechanical strength

✍ Scribed by P.R. Vassie; A.C.C. Tseung

Book ID
107748699
Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
279 KB
Volume
20
Category
Article
ISSN
0013-4686

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A study of gas evolution in teflon bonde
A study of gas evolution in teflon bonded porous electrodes—I: The mechanical and chemical stability of teflon bonded graphite electrodes
✍ P.R. Vassie; A.C.C. Tseung 📂 Article 📅 1975 🏛 Elsevier Science 🌐 English ⚖ 268 KB

The mechanical and chemical stabxlity of Teflon \* bonded graphite electrodes operating in the oxygen evolution mode in 5N KOH was studied as a function of cd and time. The electrode starts to break up at 13 mA cm-' and on subsequent cathodic oxygen reduction performance is greatly reduced. Moreover

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Steady-state and potentioatatic transient H, evolution studies on Teflon bonded Pt black, platinired Pt and Pt foil electrodes in 5N H,SO,, 25°C showed that teflon bonded electrodes gave \* a higher performance than the other electrodes. The presence of the porous hydrophobic teflon network ensures