Study and comparison of two lithium-ion full cells. Li4Ti5O12/LiCo2/3Ni1/6Mn1/6O2 cell shows excellent electrochemical performance with long cycle life. MnSn2/LiCo2/3Ni1/6Mn1/6O2 delivers high specific capacity (~ 200 mAh/gcathode) and exhibits high working voltage.