Abstract Title   Advanced Nanostructured Cathode Materials for NASA’s Applications Abstract Author(s)   Nader M. Hagh, Mumu Moorthi, Ganesh Skandan, Shirley Meng, William C. West, Ratnakumar Bugga, and Concha M. Reid Abstract Presenter   Nader M. Hagh Abstract   Advanced Li-ion rechargeable batteries with high energy and power densities operating under the extreme temperature conditions are required for NASA’s exploration missions. Among different cathode chemistries, nanostructured layered composition of Li(LixNi¬yCoyMn1-2y-¬x)O2 has demonstrated high potential for exceptionally high discharge capacity (? 270 mAh/g) and high practical energy density in excess of 900Wh/kg. However, the cathode’s instability has been a challenge in practical utilization of this high energy density. Our studies have shown that microstructural features play a critical role in the stability as well as being able to deliver high capacity. Similar effects on the electrochemical properties have been observed in other electrode materials, such as layered spinel (xLi2MnO3-(1-x)LiNi0.5Mn1.5O4-?; 0