Electrochemically Induced Phase Transformation in Nanoscale

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Chem. Mater. 2008, 20, 6189–6198

6189

Electrochemically Induced Phase Transformation in Nanoscale Olivines Li1-xMPO4 (M ) Fe, Mn) Nonglak Meethong, Yu-Hua Kao, Ming Tang, Hsiao-Ying Huang, W. Craig Carter, and Yet-Ming Chiang* Massachusetts Institute of Technology, 77 Massachusetts AVenue, Cambridge, Massachusetts ReceiVed June 24, 2008. ReVised Manuscript ReceiVed July 31, 2008

The phase stability and phase transformation kinetics of Li1-xMPO4 olivines are critical to their performance as lithium storage electrodes. In this work, nanoscale (