{"title":"Calcium, strontium and barium carbonate mixtures for calcination-carbonation thermochemical energy storage","authors":"Larissa Fedunik-Hofman, A. Bayon, S. Donne","doi":"10.1063/1.5117751","DOIUrl":null,"url":null,"abstract":"Novel CaO-based sorbents doped with alkaline earth carbonates were found to show good performance as high temperature energy storage materials for a thermochemical energy storage system. The sorbents were synthesised using the Pechini method and doped with SrO, BaO and Ca3Al2O6. A barium-doped sorbent retained a carbonation conversion capacity of over 60% over 40 calcination and carbonation cycles, while a strontium-doped sorbent retained a conversion of over 40% after 20 cycles. These high temperature (above 800°C) materials have the potential to be coupled with highly efficient and economically competitive power cycles.","PeriodicalId":21790,"journal":{"name":"SOLARPACES 2018: International Conference on Concentrating Solar Power and Chemical Energy Systems","volume":"18 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2019-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"SOLARPACES 2018: International Conference on Concentrating Solar Power and Chemical Energy Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.5117751","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
Novel CaO-based sorbents doped with alkaline earth carbonates were found to show good performance as high temperature energy storage materials for a thermochemical energy storage system. The sorbents were synthesised using the Pechini method and doped with SrO, BaO and Ca3Al2O6. A barium-doped sorbent retained a carbonation conversion capacity of over 60% over 40 calcination and carbonation cycles, while a strontium-doped sorbent retained a conversion of over 40% after 20 cycles. These high temperature (above 800°C) materials have the potential to be coupled with highly efficient and economically competitive power cycles.
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