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. 2022 Mar 4;9(4):nwac040. doi: 10.1093/nsr/nwac040

Table 1.

Summary of the main characteristics of representative ORR redox mediators in aprotic Li–O2 batteries.

RM Electrolyte Cathode Current density Discharge capacity
DBBQ [9] 10 mM DBBQ + 1.0 M LiTFSI in TEGDME GDL 0.1 mA cm–2 436 Inline graphic
Q10 [20] 10 mM Q10 + 1.0 M LiTFSI in TEGDME Super P 0.1 Inline graphic 575 Inline graphic
BDTD [24] 20 mM BDTD + 1.0 M LiTFSI in TEGDME CNT 0.1 Inline graphic 4.7 mAh cm–2
VK2 [21] 10 mM VK2 + 1.0 M LiTFSI in DME GDL 0.09 mA cm–2 3.6 mAh cm–2
Inline graphic [22] 50 mM Inline graphic+1.0 M LiTFSI in DMSO Carbon cloth 0.1 uA cm–2 0.6 mAh cm–2
TTM [25] Saturated TTM + 1.0 M LiOTF in TEGDME Super P 0.1 mA cm–2 7.5 mAh cm–2
1,8 DNAQ [23] 10 mM 1,8 DNAQ + 0.5 M LiTFSI in TEGDME Carbon paper 0.1 mA cm–2 2.25 mAh cm–2

GDL, gas diffusion layer; BDTD, benzo[1,2-b:4,5-b']dithiophene-4,8-dione; CNT, carbon nanotubes; VK2, vitamin K2; TTM, tris(2,4,6-trichlorophenyl)methyl.