Multi-TpyCo<sup>2+</sup>-based conductive supramolecular hydrogels constructed by “bridge bonds” for rechargeable Zn-air batteries with ultrastable cycling stability over 1100 h
Qianqian Liu, Qichen Wang, Yun Tan, Lingwen Zhu, Zhiyuan Jiang, Mingzhao Chen, Jun Wang, Yiming Li, Yongpeng Lei, Yi Zhang, Liming Dai, Pingshan Wang
Abstract
The multi-TpyCo 2+ -based supramolecular hydrogel presents the remolding property and shows a low overpotential of 264 mV at 10 mA cm −2 for oxygen evolution reaction (OER) and an ultrastable cycling stability over 1100 h for liquid Zn–air battery.
Topics & Concepts
OverpotentialBattery (electricity)Supramolecular chemistryCyclingMaterials scienceOxygen evolutionChemical engineeringNanotechnologyBridge (graph theory)ElectrodeChemistryMoleculeElectrochemistryPhysical chemistryOrganic chemistryPhysicsMedicineQuantum mechanicsHistoryInternal medicineArchaeologyEngineeringPower (physics)Advanced battery technologies researchElectrocatalysts for Energy ConversionSupercapacitor Materials and Fabrication