When assessing the potential of these materials, their stability during repeated charging and discharging is also critical. This was assessed through performing 100 cycles symmetric charge-discharge at C/3 on selected full cells (Figure ). When cycling at this higher rate, the detrimental effect of Mn inclusion on electrode kinetics is evident, and LMFP80 exhibits a lower initial capacity than LFP or LMFP60. LFP showed the greatest capacity retention, exhibiting the highest capacity at both the beginning and end of the testing period.