

The charging curve of new cell is like being bite at at the corner, I guess the new chemical have two different layer of electrode to enhanced the material structure for deep discharge, the manufacturer site state in their remark NCM/LCO as positive active material. As LCO based material are safer but less reliable, but increase use of cobalt also mean increase the cost. To achieve both safe and reliable, the new cell may have combined material, LCO can be used near end of discharge.
NCM=lithium-nickel-cobalt-manganese oxide (LiNiCoMnO2)
LCO=lithium-cobalt oxide(LiCoO2)
Information is given as is without any confirmation of error free, please do your research and further study, comments are welcome to correct the information above.