1988
DOI: 10.1070/rc1988v057n08abeh003389
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Dissociation of Water Molecules in Systems with Ion-exchange Membranes

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Cited by 182 publications
(156 citation statements)
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“…These results are also coincident with previous works, which report insignificant pH changes in systems of cation-exchange membranes [73]. As can be deduced from the low values of lim k corresponding to the sulfonate groups of Nafion 117 presented in Table 4.11, the catalytic dissociation of water at Nafion membranes is very low, even when the applied current significantly exceeds the i lim .…”
Section: Overlimiting Currents Originated By Water Splitting Productssupporting
confidence: 77%
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“…These results are also coincident with previous works, which report insignificant pH changes in systems of cation-exchange membranes [73]. As can be deduced from the low values of lim k corresponding to the sulfonate groups of Nafion 117 presented in Table 4.11, the catalytic dissociation of water at Nafion membranes is very low, even when the applied current significantly exceeds the i lim .…”
Section: Overlimiting Currents Originated By Water Splitting Productssupporting
confidence: 77%
“…Table 4.12. Series of catalytic activity of functional groups of different ion-exchange membranes and metal hydroxides in order of increasing rate constants for the dissociation of water [73]. As can be seen from Table 4.12, the lim k of Ni(OH) 2 is only moderately higher than that of the membrane sulfonate groups.…”
Section: Overlimiting Currents Originated By Water Splitting Productsmentioning
confidence: 67%
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“…under forward bias conditions will allow for an unambiguous characterization of the water dissociation reaction. In this sense, our results can be of interest in the multidisciplinary fields where the "bipolar membrane" model finds application [2,5,11,12,[14][15][16]. Fig.…”
Section: Introductionmentioning
confidence: 96%
“…Though these models describe some of the features experimentally observed, a theory accounting for the complete description of the transport phenomena is lacking. In particular, the following simplifying assumptions can be found in the literature: i) only two ions (either the water ions arising from the field enhanced water dissociation [2 -4] or those coming from the fully dissociated electrolyte [8,9]) are introduced; ii) the current-voltage ( I -V) curve is studied either under forward or under reverse bias conditions [2][3][4][5] iii) an abrupt junction between the cationic layer (with negative fixed changes) and the anionic layer (with positive fixed charges) forming the bipolar membrane is *) Permanent address: A.N. Frumkin Institute of Electrochemistry.…”
Section: Introductionmentioning
confidence: 99%