2005
DOI: 10.1016/j.ssc.2005.02.036
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Humidity effect on electrical properties of layered α-zirconium phosphate

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Cited by 2 publications
(2 citation statements)
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“…Different structural modifications of ZP have different types of proton diffusion paths, which affect the proton conductivity through the inorganic material framework. 31 In layered structures, the bulk diffusion of the hydronium ions occurs through the open cavities parallel to the layer, 36 but the mobility of the interior hydronium ions is about 10 4 times less than the mobility of the surface ͑ad-sorbed͒ hydronium ions, 37 because the free water molecules on a crystal surface can easily rotate and contribute to the ionic conduction by Grotthus mechanism. The rotation of hydronium ions in the interlayer spaces of ZP crystals is difficult due to strong hydrogen bonding with layered phosphate groups.…”
Section: Discussionmentioning
confidence: 99%
“…Different structural modifications of ZP have different types of proton diffusion paths, which affect the proton conductivity through the inorganic material framework. 31 In layered structures, the bulk diffusion of the hydronium ions occurs through the open cavities parallel to the layer, 36 but the mobility of the interior hydronium ions is about 10 4 times less than the mobility of the surface ͑ad-sorbed͒ hydronium ions, 37 because the free water molecules on a crystal surface can easily rotate and contribute to the ionic conduction by Grotthus mechanism. The rotation of hydronium ions in the interlayer spaces of ZP crystals is difficult due to strong hydrogen bonding with layered phosphate groups.…”
Section: Discussionmentioning
confidence: 99%
“…Among these, Zr(HPO 4 ) 2 H 2 O (ZHP)-modified Nafion composite membranes have been studied extensively [43,[61][62][63][64][65][66][67][68][69][70][71][72][73][74][75][76][77][78]. Zirconium hydrogen phosphate and its derivatives feature high proton conductivity and good water retention [41], and are regarded as promising high temperature proton conductors [79].…”
Section: Introductionmentioning
confidence: 99%