A superhigh discharge capacity induced by a synergetic effect between high-surface-area carbons and a carbon paper current collector in a lithium–oxygen battery
Luo Guang-Shenga),b), Huang Shi-Tinga),b), Zhao Ninga),b), Cui Zhong-Huia), Guo Xiang-Xin†a)
       
Cross-section SEM images of pristine carbon paper (a), pristine cathode of KB/CP (b), cathode after discharging to ∼5 mAh (c), and ∼23 mAh (d); surface morphologies of the KB (e) and CP side (f) at the end of discharge.