Preparation and electrochemical evaluation of La1-xSr xMnO3 cathode material for zinc air secondary batteries application

Seung Wook Eom, Se Young Ahn, Chang Woo Lee, Yang Kook Sun, Mun Soo Yun

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

7 Citations (Scopus)

Abstract

We prepared nano-sized La1-xSrxMnO3 (x=0.2-0.5) cathode catalyst for the zinc air secondary batteries by citrate method and measured cathode's electrochemical characteristics according to content of strontium compose the cathode catalyst. We heat treated the prepared precursor at various calcination temperature (500-900°C), and examined the optimum calcinations temperature by XRD analysis and electrochemical evaluation. We examined the ORR (oxygen reduction reaction) and OER (oxygen evolution reaction) performance of the prepared La1-xSrxMnO 3 catalyst powder. La0.7Sr0.3MnO3 and La0.8Sr0.2MnO3 catalyst has shown the best performance in the ORR. But in the OER, La0.7Sr0.3MnO 3 catalyst has shown better performance. When we consider ORR and OER performance simultaneously, La0.7Sr0.3MnO3 catalyst has shown the best performance because of its lowest voltage difference between charge and discharge.

Original languageEnglish
Title of host publicationAdvances in Nanomaterials and Processing - IUMRS - ICA - 2006 International Conference in Asia
PublisherTrans Tech Publications Ltd
Pages1055-1058
Number of pages4
EditionPART 2
ISBN (Print)3908451310, 9783908451310
DOIs
Publication statusPublished - 2007
EventIUMRS International Conference in Asia 2006, IUMRS-ICA 2006 - Jeju, Korea, Republic of
Duration: 10 Sept 200614 Sept 2006

Publication series

NameSolid State Phenomena
NumberPART 2
Volume124-126
ISSN (Print)1012-0394

Conference

ConferenceIUMRS International Conference in Asia 2006, IUMRS-ICA 2006
Country/TerritoryKorea, Republic of
CityJeju
Period10/09/0614/09/06

Keywords

  • Catalyst
  • Cathode
  • Zinc air battery

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