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In this work, amphoteric ion-exchange membranes (AIEMs) prepared from fluoro-methyl sulfonated poly(arylene ether ketone-co-benzimidazole)s have been systematically evaluated for their potential usage in all vanadium redox battery (VRB). Our investigation has demonstrated that the compacted structure originated from the self-assembly ionic cross-linking and the positive charged benzimidazole moiety...
Electrochemical impedance spectroscopy (EIS) for the initial Li-ion insertion and extraction in Li 4 Ti 5 O 12 (LTO) anode at different potentials were studied. At the intermediate stage of Li-ion insertion process, as the frequency decreased, the EIS spectra exhibited three semicircles and a slightly inclined line, which correspond to the Schottky contact reflecting the electronic...
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