用Arrhenius方程分析质子陶瓷电解质电导率的理论与实验研究

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-07-14 DOI:10.1016/j.mseb.2025.118580

Fa Zheng , Ruiming Qiu , Jihao Zhang , Zetian Tao , Libin Lei

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引用次数: 0

摘要

质子陶瓷电解质广泛应用于质子陶瓷电化学电池中。阿伦尼乌斯方程通常用于分析pce的电导率。然而，对于同一种材料，由该方程得出的活化能（Ea）在不同的研究中有所不同，这引起了人们对其可靠性的担忧。为了澄清这一问题，本研究建立了一个考虑质子缺陷、氧空位和电子空穴的精确缺陷模型，分析了BaZr0.8Y0.2O3 （BZY82）的实验测量电导率。用阿伦尼乌斯方程计算了各种条件下的Ea，并与精确模型的Ea进行了比较。在此基础上，为应用Arrhenius方程分析pce的导电性能提供了新的实用指南。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Theoretical and experimental investigation on using Arrhenius equation to analyze conductivities of proton ceramic electrolytes

Protonic ceramic electrolytes (PCEs) are widely applied to proton ceramic electrochemical cells. The Arrhenius equation is commonly used to analyze the electrical conductivity of PCEs. However, for the same material, the activation energy (

E_{a}

) derived from this equation varies in different studies, raising concerns about its reliability. In this study, to clarify this issue, a precise defect model, considering proton defects, oxygen vacancies, and electron-holes, is established to analyze the experimentally measured conductivities of BaZr_0.8Y_0.2O₃ (BZY82).

E_{a}

determined by the Arrhenius equation under various conditions are compared with those from the precise model. Based on the investigation, new practical guidelines for using the Arrhenius equation to analyze the conduction properties of PCEs are provided.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.