Figure 4: Rate capability and cycle life of mixed-ion batteries.

(a) Rate capability of B-III battery. (b) Long-term cycling performance for B-III battery at a rate of 1.5C. (c) A Ragone plot of B-I, B-II, B-III, B-IV and B-V.
(a) Rate capability of B-III battery. (b) Long-term cycling performance for B-III battery at a rate of 1.5C. (c) A Ragone plot of B-I, B-II, B-III, B-IV and B-V.