Avoiding electrochemical indentations: a CNT-cocooned LiCoO<sub>2</sub> electrode with ultra-stable high-voltage cycling
Zhi Zhu, Shuanglong Xu, Zhenjie Wang, Xiaohui Yan, Guiyin Xu, Yimeng Huang, Yuping Wu, Yin Zhang, Ju Li
Abstract
An electrochemical indentation (ECI) theory was proposed to explain the LCO cycling decay. A CNT-cocooned LCO cathode was developed to maximize the electrical contact area for LCO, which greatly eliminated ECI and stabilized the high-voltage cycling.
Topics & Concepts
Materials scienceCyclingCathodeElectrodeElectrochemistryIndentationVoltageNanotechnologyOptoelectronicsComposite materialElectrical engineeringChemistryPhysical chemistryArchaeologyEngineeringHistoryAdvancements in Battery MaterialsSemiconductor materials and devicesAdvanced Battery Materials and Technologies