Issue 35, 2021

A water-stable open-framework zirconium(iv) phosphate and its water-assisted high proton conductivity

Abstract

A water stable proton-conducting material (NH4)5[Zr3(OH)3F6(PO4)2(HPO4)] (ZrP) was hydrothermally synthesized. The three-dimensional (3D) framework of ZrP is composed of ZrF2O4 octahedra and HxPO4 phosphate units forming 18-ring channels through sharing oxygen atoms. Ammonium cations charge balance the anionic framework. Alternating current (AC) impedance measurements on ZrP powder samples show that at 25–60 °C and 98% relative humidity (RH), the proton conductivity is around 10−2 S cm−1, and the activation energy (Ea) is 0.33 eV.

Graphical abstract: A water-stable open-framework zirconium(iv) phosphate and its water-assisted high proton conductivity

Supplementary files

Article information

Article type
Paper
Submitted
27 Kho 2021
Accepted
20 Maw 2021
First published
22 Maw 2021

CrystEngComm, 2021,23, 6093-6097

A water-stable open-framework zirconium(IV) phosphate and its water-assisted high proton conductivity

J. Yu, H. Yu, Z. Yao, Z. Li, Q. Ren, H. Luo, Y. Zou, L. Wang and X. Ren, CrystEngComm, 2021, 23, 6093 DOI: 10.1039/D1CE00852H

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