February 26, 2011

An Advanced Lithium Ion Battery Based on High Performance Electrode Materials

An Advanced Lithium Ion Battery Based on High Performance Electrode Materials

In this paper we report the study of a high capacity Sn−C nanostructured anode and of a high rate, high voltage Li[Ni0.45Co0.1Mn1.45]O4 spinel cathode. We have combined these anode and cathode materials in an advanced lithium ion battery that, by exploiting this new chemistry, offers excellent performances in terms of cycling life, i.e., ca. 100 high rate cycles, of rate capability, operating at 5C and still keeping more than 85% of the initial capacity, and of energy density, expected to be of the order of 170 Wh kg−1. These unique features make the battery a very promising energy storage for powering low or zero emission HEV or EV vehicles.



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