K. Abraham, D. M. Pasquariello, T.H. Hguyen, Z. Jiang, D. Peramunage
{"title":"可充电锂电池用锂化锰氧化物阴极","authors":"K. Abraham, D. M. Pasquariello, T.H. Hguyen, Z. Jiang, D. Peramunage","doi":"10.1109/BCAA.1996.485016","DOIUrl":null,"url":null,"abstract":"Lithiated manganese oxides Li/sub x/Mn/sub y/O/sub 2/ prepared at the low temperature of 400-450/spl deg/C exhibited significantly different electrochemical properties than the spinel phase, LiMn/sub 2/O/sub 4/, formed at 650-850/spl deg/C. The former was nonstoichiometric and yielded a capacity of /spl sim/0.7 LiMn/sub 2/ unit at /spl sim/2.8 V in polymer electrolyte-based Li cells. Its excellent rechargeability was demonstrated by more than 100 charge/discharge cycles. Spinel Li/sub 2/Mn/sub 4/ was formed by heating either a mixture of LiOH and MnO/sub 2/ or LiCO/sub 3/ and MnCO/sub 3/. The latter reaction yielded micron-sized LiMn/sub 2/O/sub 4/. Its capacity of /spl sim/0.8 Li/Mn/sub 2/O/sub 4/ at /spl sim/4 V was highly reversible. AA-size Li-ion cells with spinel LiMn/sub 2/O/sub 4/ exhibited 100 Wh/Kg and 280 Wh/l.","PeriodicalId":236148,"journal":{"name":"Proceedings of 11th Annual Battery Conference on Applications and Advances","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Lithiated manganese oxide cathodes for rechargeable lithium batteries\",\"authors\":\"K. Abraham, D. M. Pasquariello, T.H. Hguyen, Z. Jiang, D. Peramunage\",\"doi\":\"10.1109/BCAA.1996.485016\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Lithiated manganese oxides Li/sub x/Mn/sub y/O/sub 2/ prepared at the low temperature of 400-450/spl deg/C exhibited significantly different electrochemical properties than the spinel phase, LiMn/sub 2/O/sub 4/, formed at 650-850/spl deg/C. The former was nonstoichiometric and yielded a capacity of /spl sim/0.7 LiMn/sub 2/ unit at /spl sim/2.8 V in polymer electrolyte-based Li cells. Its excellent rechargeability was demonstrated by more than 100 charge/discharge cycles. Spinel Li/sub 2/Mn/sub 4/ was formed by heating either a mixture of LiOH and MnO/sub 2/ or LiCO/sub 3/ and MnCO/sub 3/. The latter reaction yielded micron-sized LiMn/sub 2/O/sub 4/. Its capacity of /spl sim/0.8 Li/Mn/sub 2/O/sub 4/ at /spl sim/4 V was highly reversible. AA-size Li-ion cells with spinel LiMn/sub 2/O/sub 4/ exhibited 100 Wh/Kg and 280 Wh/l.\",\"PeriodicalId\":236148,\"journal\":{\"name\":\"Proceedings of 11th Annual Battery Conference on Applications and Advances\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1996-01-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of 11th Annual Battery Conference on Applications and Advances\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/BCAA.1996.485016\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 11th Annual Battery Conference on Applications and Advances","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/BCAA.1996.485016","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Lithiated manganese oxide cathodes for rechargeable lithium batteries
Lithiated manganese oxides Li/sub x/Mn/sub y/O/sub 2/ prepared at the low temperature of 400-450/spl deg/C exhibited significantly different electrochemical properties than the spinel phase, LiMn/sub 2/O/sub 4/, formed at 650-850/spl deg/C. The former was nonstoichiometric and yielded a capacity of /spl sim/0.7 LiMn/sub 2/ unit at /spl sim/2.8 V in polymer electrolyte-based Li cells. Its excellent rechargeability was demonstrated by more than 100 charge/discharge cycles. Spinel Li/sub 2/Mn/sub 4/ was formed by heating either a mixture of LiOH and MnO/sub 2/ or LiCO/sub 3/ and MnCO/sub 3/. The latter reaction yielded micron-sized LiMn/sub 2/O/sub 4/. Its capacity of /spl sim/0.8 Li/Mn/sub 2/O/sub 4/ at /spl sim/4 V was highly reversible. AA-size Li-ion cells with spinel LiMn/sub 2/O/sub 4/ exhibited 100 Wh/Kg and 280 Wh/l.
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