Konjac glucomannan biopolymer as a multifunctional binder to build a solid permeable interface on Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>/C cathodes for high-performance sodium ion batteries
Yuyao Zhang, Xiaoying Zhu, Dan Kai, Yinzhu Jiang, Qingyu Yan, Baoliang Chen
Abstract
Cathode materials for sodium ion batteries are unstable due to oxidation by electrolyte solution at high voltage. Developing novel solid permeable interfaces as passivation layers is critical to avoid side reactions and increase cycling durability.
Topics & Concepts
CathodeElectrolytePassivationMaterials scienceDurabilityFast ion conductorChemical engineeringBiopolymerInterface (matter)Composite materialElectrodeChemistryLayer (electronics)PolymerPhysical chemistryEngineeringCapillary numberCapillary actionAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSupercapacitor Materials and Fabrication