Figure 5

(a) Nyquist plots of Li–Se battery with Se@ACRKB cathode before and after 1000 cycles for Li–Se batteries; and (b) Z′ versus W−1/2 in the low-frequency range.
(a) Nyquist plots of Li–Se battery with Se@ACRKB cathode before and after 1000 cycles for Li–Se batteries; and (b) Z′ versus W−1/2 in the low-frequency range.