Nano Li4Ti5O12–LiMn2O4 batteries with high power capability and improved cycle-life |
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| Authors: | Aurelien Du Pasquier CC Huang Timothy Spitler |
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| Affiliation: | 1. Rutgers, The State University of New-Jersey, Energy Storage Research Group, Department of Materials Science and Engineering, 671, Highway 1, North Brunswick, NJ 08902, USA;2. Hosokawa Micron Powder Systems, Hosokawa Micron International Inc., 10 Chatham Road, Summit, NJ 07901, USA;3. Altair Nanotechnologies Inc., 204 Edison Way, Reno, NV 89502, USA |
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| Abstract: | We report the effects of electrode thickness, cathode particle size and morphology, cathode carbon coating matching ratio and laminate structure on the electrochemical characteristics of nanosized Li4Ti5O12–LiMn2O4 batteries. We show that a correct adjustment of these parameters resulted in significant improvements in power capability and cycle-life of such devices, making them competitive, low-cost and safe battery chemistry for next generation Li-ion batteries. In addition, Li4Ti5O12 reversible specific capacity beyond three Li-ions intercalation is reported. |
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| Keywords: | LiMn2O4 Li4Ti5O12 Nanosized Laminate Li-ion battery Carbon coating |
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