High power nano-LiMnO cathode materials with high-rate pulse discharge capability for lithium-ion batteries
Chinese Physics B, ISSN: 1674-1056, Vol: 20, Issue: 2
2011
- 19Citations
- 26Captures
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Article Description
Nano-LiMnO cathode materials with nano-sized particles are synthesized via a citric acid assisted sol - gel route. The structure, the morphology and the electrochemical properties of the nano-LiMnO are investigated. Compared with the micro-sized LiMnO, the nano-LiMnO possesses a high initial capacity (120 mAh/g) at a discharge rate of 0.2 C (29.6 mA/g). The nano-LiMnO also has a good high-rate discharge capability, retaining 91% of its capacity at a discharge rate of 10 C and 73% at a discharge rate of 40 C. In particular, the nano-LiMnO shows an excellent high-rate pulse discharge capability. The cut-off voltage at the end of 50-ms pulse discharge with a discharge rate of 80 C is above 3.40 V, and the voltage returns to over 4.10 V after the pulse discharge. These results show that the prepared nano-LiMn O could be a potential cathode material for the power sources with the capability to deliver very high-rate pulse currents. © 2011 Chinese Physical Society and IOP Publishing Ltd.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=79952481767&origin=inward; http://dx.doi.org/10.1088/1674-1056/20/2/028201; https://iopscience.iop.org/article/10.1088/1674-1056/20/2/028201; https://dx.doi.org/10.1088/1674-1056/20/2/028201; https://validate.perfdrive.com/fb803c746e9148689b3984a31fccd902/?ssa=012c1cce-8729-457f-83af-7470a8574327&ssb=10276271755&ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1088%2F1674-1056%2F20%2F2%2F028201&ssi=c239823c-8427-45d3-a804-68787c2ed6ed&ssk=support@shieldsquare.com&ssm=12041970379574107871754533638561096&ssn=234f4f8b82665193e4f49fda3aebc4e0230887516380-2ef0-41fb-ab51ac&sso=b41e9582-9ca0d86999682f7a0fc6a3867fb5b47724f383159ae30445&ssp=85413882091721472391172150734051176&ssq=61663201303707499847228364683443308585277&ssr=NTIuMy4yMTcuMjU0&sst=com.plumanalytics&ssu=&ssv=&ssw=&ssx=eyJ1em14IjoiN2Y5MDAwODIxNGUxOWMtOWM1ZS00Y2U1LTljYjktYmZhM2JjZGZlMDAxMi0xNzIxNDI4MzY0MzY4ODQ2NzMxNTMtMzA1ZGIwNDhiMGEwODNlZjg3MTYzIiwiX191em1mIjoiN2Y2MDAwMDIwYWFhMGEtNDU0OC00NzdlLWI4ZmUtNWI2MTYxNTA5YzYyMTcyMTQyODM2NDM2ODg0NjczMTUzLWM3MzQ5MGM3YzBkNmVkNTg4NzE2NiIsInJkIjoiaW9wLm9yZyJ9
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