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Electrolyte Proton-Conductive Materials for CONDUCTIVE Protonic Ceramic Fuel Cells (PCFCs)
ECS Meeting Abstracts, 2006Abstract not Available.
Stephanie Higgins +2 more
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Journal of Applied Physics, 1997
Fast proton conducting glasses have been obtained in Mg(PO3)2 glasses by implantation of protons at 120 keV to a fluence of 1×1018 cm−2. The dc conductivity and the activation energy of the conduction in the implanted glasses are 5×10−4 s cm−1 at room temperature and 0.18 eV, respectively.
H.Hosono +4 more
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Fast proton conducting glasses have been obtained in Mg(PO3)2 glasses by implantation of protons at 120 keV to a fluence of 1×1018 cm−2. The dc conductivity and the activation energy of the conduction in the implanted glasses are 5×10−4 s cm−1 at room temperature and 0.18 eV, respectively.
H.Hosono +4 more
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Vacancies enhance proton conductivity
Science, 2020Proton Membranes Proton-exchange membranes (PEMs) allow for the transport of protons while acting as electrical insulators and ensuring that reactants are kept apart; therefore, they are a key component in devices such as low-temperature fuel cells. PEMs are typically made from polymers or materials embedded in a polymer matrix and need to operate in ...
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Materials Research Bulletin, 1982
Abstract Protonic conduction in zeolites is optimized. The approach is based on a vehicle-mechanism for the transport process. The parameters controlling protonic conduction are discussed. Fully hydrated “NH4-zeolite A” has a room temperature conductivity of 2×10 −3 Ω −1 cm −1 .
K.D. Kreuer, W. Weppner, A. Rabenau
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Abstract Protonic conduction in zeolites is optimized. The approach is based on a vehicle-mechanism for the transport process. The parameters controlling protonic conduction are discussed. Fully hydrated “NH4-zeolite A” has a room temperature conductivity of 2×10 −3 Ω −1 cm −1 .
K.D. Kreuer, W. Weppner, A. Rabenau
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Angewandte Chemie International Edition, 2012
Parasitic current seems to be the cause for the "highest proton conductivity" of a material reported to date. Kreuer and Wohlfarth verify this hypothesis by measuring the conductivity of the same materials after preparing them in a different way. They further explain the limits of proton conductivity and comment on the problems of determining the ...
Kreuer, K., Wohlfarth, A.
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Parasitic current seems to be the cause for the "highest proton conductivity" of a material reported to date. Kreuer and Wohlfarth verify this hypothesis by measuring the conductivity of the same materials after preparing them in a different way. They further explain the limits of proton conductivity and comment on the problems of determining the ...
Kreuer, K., Wohlfarth, A.
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Proton-conducting hydrogel membranes
Polymer, 1998Abstract Proton-conducting poly(acryl amide) hydrogels are prospective materials for application in electrochemical devices working at ambient temperatures. In the present paper, the conducting properties of hydrogels doped with H 3 PO 4 or H 2 SO 4 are analysed in connection with such features of the hydrogel membrane as sorption and permeation of
J. Przyłuski +2 more
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Protonic conduction in NH4H2PO4
Journal of Solid State Chemistry, 1974Abstract The conductivity of ammonium dihydrogen phosphate has been measured as a function of temperature and dopant concentration. A previously disputed break in the log conductivity vs reciprocal temperature plots has been observed. The activation energy is in agreement with previous work on NH 4 H 2 PO 4 .
Charles T. Perrino, Paul Wentrcek
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Bioinspired proton conducting materials
Organic and Hybrid Sensors and Bioelectronics XIV, 2021The talk describes a bio-inspired approach to design and prepare proton conducting materials based on self-assembling short protein sequences (peptides). The effect of amino-acid side-chain and backbone conformation on proton conductivity of the peptide fibrils will be discussed. We will show that the rational design of peptides can lead to fabrication
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Protonic conduction in Ba2In2O5
Solid State Ionics, 1995Abstract Protonic conduction in Ba 2 In 2 O 5 was studied by conductivity and EMF measurements as a function of temperature and oxygen activity. Evidence for protonic conduction was found in this material in moist atmospheres, especially at low temperatures.
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Proton conductive composite membranes
International Journal of Nanotechnology, 2007In this work we investigated the synthesis of composite organic and inorganic membranes for proton conduction. Particles derived from metal alkoxides (M(OR)n) sol-gel processes (Ti, Zr, W with phosphoric acid) were embedded in polymeric matrices of poly-vinyl alcohol, (3-glycidoxypropyl)-trimethoxysilane and ethylene glycol.
Sunarso, J. +4 more
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