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SEM images of charged/discharged OTQC electrodes after cycling in a Li–organic battery (cycled electrodes were washed with DME to remove the electrolyte residue). (a) Uncycled electrode. (b) Electrode after 1st discharge. (c) Electrode after 1st charge. (d) Electrode after 2nd charge. (e) Electrode after 5th charge. (f) Electrode after 450th charge.
