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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File | Size | Format | |
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UltralongLife-Quinone.pdf | 4.17 MB | Adobe PDF | View/Open |
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