Physicochemical properties of (CH3)2NH2Cl–Al2O3 composites


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详细

Composite solid electrolytes were synthesized from the organic salt dimethylammonium chloride (1–x)C2H8NCl–xAl2O3. Their physicochemical properties were studied. In the starting C2H8NCl salt, there is a phase transition at 39°C accompanied by an increase in conductivity by two orders of magnitude. The conductivity of the high-temperature phase is 9.3 × 10–6 S/cm at 160°C. A differential scanning calorimetry study showed that the salt in the composites spreads over the oxide surface and at x > 0.6 the salt melting enthalpy decreases to zero. The conductivity of the resulting composites was studied by impedance spectroscopy. It was shown that heterogeneous doping leads to a sharp increase in ion conductivity to 7.0 × 10–3 S/cm at 160°C and a decrease in the activation energy to 0.55 eV.

作者简介

A. Ulikhin

Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch

编辑信件的主要联系方式.
Email: a.ulihin@gmail.com
俄罗斯联邦, Novosibirsk, 630128

N. Uvarov

Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch; Novosibirsk State Technical University; Novosibirsk State University

Email: a.ulihin@gmail.com
俄罗斯联邦, Novosibirsk, 630128; Novosibirsk, 630073; Novosibirsk, 630090

K. Gerasimov

Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch

Email: a.ulihin@gmail.com
俄罗斯联邦, Novosibirsk, 630128

A. Iskakova

Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch

Email: a.ulihin@gmail.com
俄罗斯联邦, Novosibirsk, 630128

Yu. Mateishina

Novosibirsk State Technical University; Novosibirsk State University

Email: a.ulihin@gmail.com
俄罗斯联邦, Novosibirsk, 630073; Novosibirsk, 630090

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