Other newer electrodes attracting interest are materials with a disordered rocksalt structure, which have been investigated as high-capacity cathode materials. Freire et al first reported Li4Mn2O5 which has high initial discharge capacity of 355 mAh g -1 however, the capacity dropped to 250 mAh g -1 after 8 cycles. These rocksalt materials undergo high levels of O redox which can result in O loss and a detrimental impact upon the long term cycling performance. One potential solution is to partially substitute some of the O 2-for F -to form oxyfluoride materials which rely less heavily upon O redox. House et al have reported Li1.9Mn0.95O2.05F0.95 which has a high capacity of 280 mAh g -1 and undergoes negligible O loss during cycling. Similarly Lun et al have reported Li1.25Mn0.75O1.3333F0.6667 which has a discharge capacity of 256 mAh g -1 and undergoes less than 15% capacity fade over 30 cycles. It is therefore of interest to see if materials from spent LIBs can be upcycled to such disordered rocksalt materials.