fig9
Figure 9. Electrochemical testing for Na0.44MnO2/Na cells in electrolyte (A) without BP and (B) with 3% BP; (C) the impedance before and after cell overcharging with 3% BP; (D) cycling performance with different BP amount in the electrolyte at 50 mA g-1 between 2 and 4 V. Reproduced from ref[100], Copyright 2015 RSC publication. BP: Biphenyl.
