fig6

Figure 6. The molecular structure of common carbonyl compounds in AZOBs^[30,63-75]. AZOBs: Aqueous zinc-organic batteries; C4Q: calix[4]quinone; 9,10-AQ: 9,10-anthraquinone; 1,2-NQ: 1,2-naphthoquinone; 9,10-PQ: 9,10-phenanthrenequinone; PBQS: poly(benzoquinonyl sulfide); TABQ: tetraamino-p-benzoquinone; 1,4-NQ: 1,4-naphthoquinone; APh-NQ: 2-[(4-hydroxyphenyl) amino] naphthalene-1,4-dione; PTO: pyrene-4,5,9,10-tetraone; NTCDI: 1,4,5,8-naphthalene diimide; PDB: 2,5-dihydroxy-1,4-benzoquinonyl; PDBS: poly(2,5-dihydroxy-1,4-benzoquinonyl sulfide); PT: polythiophene; DTT: dibenzo[b,i]thianthrene-5,7,12,14-tetraone; 4S6Q: 6a,16a-dihydrobenzo[b]naphtho[2′,3′:5,6][1,4]dithiino[2,3-i]thianthrene-5,7,9,14,16,18-hexaone; PQ-Δ: triangular macrocyclic phenanthrenequinone; rPOP: redox-active quinone-based porous organic polymer; PTCDA: perylene-3,4,9,10-tetracarboxylic dianhydride; HqTp: Hq-2,5-diaminohydroquinone, Tp-1,3,5-triformylphloroglucinol; BT-PTO: benzenetricarboxaldehyde pyrene-4,5,9,10-tetraone; COF: covalent-organic frameworks.