{"title":"利用 Fe3+ 前驱体通过机械活化法简单低成本地合成 LI2FESIO4 阴极材料","authors":"J. A. Jaén, I. Mendoza, Eduardo Chung","doi":"10.48204/j.tecno.v26n2.a5405","DOIUrl":null,"url":null,"abstract":"An easy and low-cost synthesis of monoclinic Li2FeSiO4 based on a carbothermal process and a short-time preliminary milling of a reactant mixture in a planetary mill was investigated. Monoclinic Li2FeSiO4/C is prepared using Fe3+ (Fe2O3) as a precursor. For this purpose, commercial hematite and one obtained through a green route were used. This material is studied and compared with Li2FeSiO4 obtained using Fe2+ (FeC2O4·2H2O) as a precursor. In all cases, citric acid was used as a reducing agent and as an in situ conductive additive. Mössbauer spectroscopy was used as the central technique in this study. \n ","PeriodicalId":518720,"journal":{"name":"Tecnociencia","volume":"54 44","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"SIMPLE AND LOW-COST SYNTHESIS OF LI2FESIO4 CATHODE MATERIALS BY MECHANICAL ACTIVATION USING A Fe3+ PRECURSOR\",\"authors\":\"J. A. Jaén, I. Mendoza, Eduardo Chung\",\"doi\":\"10.48204/j.tecno.v26n2.a5405\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An easy and low-cost synthesis of monoclinic Li2FeSiO4 based on a carbothermal process and a short-time preliminary milling of a reactant mixture in a planetary mill was investigated. Monoclinic Li2FeSiO4/C is prepared using Fe3+ (Fe2O3) as a precursor. For this purpose, commercial hematite and one obtained through a green route were used. This material is studied and compared with Li2FeSiO4 obtained using Fe2+ (FeC2O4·2H2O) as a precursor. In all cases, citric acid was used as a reducing agent and as an in situ conductive additive. Mössbauer spectroscopy was used as the central technique in this study. \\n \",\"PeriodicalId\":518720,\"journal\":{\"name\":\"Tecnociencia\",\"volume\":\"54 44\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-07-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Tecnociencia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.48204/j.tecno.v26n2.a5405\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Tecnociencia","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.48204/j.tecno.v26n2.a5405","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
SIMPLE AND LOW-COST SYNTHESIS OF LI2FESIO4 CATHODE MATERIALS BY MECHANICAL ACTIVATION USING A Fe3+ PRECURSOR
An easy and low-cost synthesis of monoclinic Li2FeSiO4 based on a carbothermal process and a short-time preliminary milling of a reactant mixture in a planetary mill was investigated. Monoclinic Li2FeSiO4/C is prepared using Fe3+ (Fe2O3) as a precursor. For this purpose, commercial hematite and one obtained through a green route were used. This material is studied and compared with Li2FeSiO4 obtained using Fe2+ (FeC2O4·2H2O) as a precursor. In all cases, citric acid was used as a reducing agent and as an in situ conductive additive. Mössbauer spectroscopy was used as the central technique in this study.
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