Abstract
Zinc-ion batteries (ZIBs) are an interesting alternative to lithium batteries due to their high specific capacity, eco-friendly properties, and ease of processing. Cathodes are an essential component of ZIBs that provide electron storage capacity. In this study, composite polyelectrolyte complexes (C-PECs) made from cationic poly(diallyldimethylammonium chloride) (PDADMAC) and anionic poly(sodium-4-styrenesulfonate) (PSS), along with carbon blacks N550 and layer-structured δ-MnO2 were used to create ZIB cathodes. Interestingly, various salt ions content (0, 1, 2 M NaCl), used as plasticizer to induce softening of the C-PEC at the processing stage were found to strongly affects the cathode’s performance. Results show that the composite exhibited an optimum battery specific capacity of approximately 7.78 mA cm−2.
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