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Transition from non-Arrhenius to Arrhenius Aging of ZnO Ceramics

  • Rou Li
  • , Zhuolin Cheng
  • , Ao Gao
  • , Kangning Wu
  • , Jianying Li
  • , Zhuang Tang
  • Xi'an Jiaotong University
  • State Grid Hunan Electric Company Disaster Prevention and Reduction Center

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

The power loss of modern stable ZnO varistor ceramics decrease steadily during the dc aging, which follows a non-Arrhenius aging pattern. In this paper, they were aged at elevated temperatures. It was found that they underwent a transition from non-Arrhenius to Arrhenius aging, when the aging temperature increased from 100°C to 160°C. The power loss of the samples aged above 150°C showed an obvious increase trend, which was reported as a typical characteristic of Arrhenius aging. Noticeably, the dc aging of the sample aged at 100°C was reversible and the density of interface states (DOS) was almost unchanged. When the aging temperature exceeded the transition temperature (150oC in this paper), the aging cannot be recovered and the DOS decreased after aging. It was proposed that the DOS might be responsible for the transition of ZnO varistor ceramics.

Original languageEnglish
Title of host publication2023 IEEE 4th International Conference on Electrical Materials and Power Equipment, ICEMPE 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350334678
DOIs
StatePublished - 2023
Event4th IEEE International Conference on Electrical Materials and Power Equipment, ICEMPE 2023 - Shanghai, China
Duration: 7 May 202310 May 2023

Publication series

Name2023 IEEE 4th International Conference on Electrical Materials and Power Equipment, ICEMPE 2023

Conference

Conference4th IEEE International Conference on Electrical Materials and Power Equipment, ICEMPE 2023
Country/TerritoryChina
CityShanghai
Period7/05/2310/05/23

Keywords

  • ZnO varistors
  • dc aging
  • non-Arrhenius
  • power loss
  • transition

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