Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/13601
Title: Ultralong-life quinone-based porous organic polymer cathode for high-performance aqueous zinc-ion batteries
Authors: Büyükçakır, Onur
Yüksel, Recep
Begar, Ferit
Erdoğmuş, Mustafa
Arsakay, Madi
Lee, Sun Hwa
Kim, Sang Ouk
Keywords: Porous organic polymers
Zinc-ion batteries
Organic cathode
Energy storage
Publisher: American Chemical Society
Abstract: We synthesized and studied a redox-active quinone-basedporousorganic polymer (rPOP) and found ultralong cycle life: it is a promisingorganic cathode for aqueous zinc-ion batteries (ZIBs). It has highphysicochemical stability and enhanced intrinsic conductivity fromits fused-aromatic conjugated skeleton. rPOP's high porosityallows for efficient Zn2+ infiltration through the poresduring charging-discharging cycles and contributes to the efficientutilization of redox-active quinone units. It delivers a specificcapacity of 120 mAh g(-1) at a current density of0.1 A g(-1) with a flat and long discharge plateau,which is critically important to provide a stable voltage output.It provides ultralong cycle life at a current density of 1.0 A g(-1) for 1000 and at 2.0 A g(-1) for 30 000cycles, with initial capacity retention of 95 and 66%, respectively.The co-insertion (Zn2+ and H+) charge storagemechanism was investigated using various electrochemical measurementsand ex/in situ structural characterization techniques, and is explainedherein. These findings contribute to a better understanding of thestructure-property relationship for rPOP and open a new avenuefor new organic cathode materials for high-performance next-generationaqueous batteries.
URI: https://doi.org/10.1021/acsaem.3c01163
https://hdl.handle.net/11147/13601
ISSN: 2574-0962
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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