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Water-soluble poly(amic acid) lithium (PAALi) salts were firstly used as the binders for lithium/sulfur battery. Benefiting plenty functional groups (amide and carboxylate), S@PAALi cathodes with sulfur loading of ca. 8.0… Click to show full abstract
Water-soluble poly(amic acid) lithium (PAALi) salts were firstly used as the binders for lithium/sulfur battery. Benefiting plenty functional groups (amide and carboxylate), S@PAALi cathodes with sulfur loading of ca. 8.0 mg cm showed excellent performance compared to the conventional polymer binders (such as PVDF): initial capacities > 1200 mAh g and with > 84% retention after 130 cycles. This research provides a new approach to improving lithium-sulfur batteries by designing multi-functional binders.
Journal Title: International Journal of Electrochemical Science
Year Published: 2019
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