2009动力锂离子电池技术及产业发展国际论坛PPT课件

1、1,College of Environmental and Energy Engineering, Beijing University of Technology Dr. Shaorui Sun Prof. Dingguo Xia 2009/10/17,Insertion/De-insertion Processes and Rate Properties for LiFePO4,2,3,Searching for such Li1-FePO4 and LiFePO4 single-phase regions,Srinivasan,V taking into account both th

2、e diffusion of Li through the shell and the movement of the phase boundary, and raising the question of partial solid solution domains that are bound to exist. Delacourt reported the existence of solid solutions at elevated temperatures. Yamada suggested that solid solutions could exist at room temp

3、erature,4,5,Room-temperaturemiscibility gap in LixFePO4, nature materials VOL 5/ MAY 2006 ATSUO YAMADA1,the shell should be omposed of LiFePO4 on charging and Li1FePO4 on discharging,6,nature materials VOL 7 AUGUST 2008 ,C. DELMAS1*, M. MACCARIO1, L. CROGUENNEC1, F. LE CRAS2 AND F. WEILL1,7,8,9,10,B

4、attery materials for ultrafast charging and discharging Byoungwoo Kang1 (b) Li0.75FePO4; (c) Li0.50FePO4; (d) Li0.25FePO4; (e) FePO4,18,Fig. 2: The lithium concentration dependence of E,19,Fig. 3 The lithium concentration dependence of the Fermi level,20,21,Fig. 6 (a) the forming of the electron potential well in the medium region and the lithium insertion modeling; (