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

Jing Wei Yu, Hai Jiao Yu, Zhi Yuan Yao, Zi Han Li, Qiu Ren, Hong Bin Luo, Yang Zou, Lifeng Wang, Xiao Ming Ren

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A water stable proton-conducting material (NH4)5[Zr3(OH)3F6(PO4)2(HPO4)] (ZrP) was hydrothermally synthesized. The three-dimensional (3D) framework ofZrPis composed of ZrF2O4octahedra and HxPO4phosphate units forming 18-ring channels through sharing oxygen atoms. Ammonium cations charge balance the anionic framework. Alternating current (AC) impedance measurements onZrPpowder samples show that at 25-60 °C and 98% relative humidity (RH), the proton conductivity is around 10−2S cm−1, and the activation energy (Ea) is 0.33 eV.

Original languageEnglish
Pages (from-to)6093-6097
Number of pages5
JournalCrystEngComm
Volume23
Issue number35
DOIs
StatePublished - 21 Sep 2021

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