Improving the cycling stability and rate performance of an aqueous sodium-ion supercapattery <i>via</i> mitigating metal dissolution and boosting conductivity by anchoring FePBA on rGO
Sheetal Gupta, Mayank Singh, Sarathkumar Krishnan, Suporna Bhowmik, Khushwant Singh, Dhirendra K. Rai
Abstract
Integration of FePBA with rGO boosts conductivity and suppresses Fe ion dissolution, enabling the FePBA/rGO composite to achieve 435 C g −1 capacity, 91% retention over 10 k cycles, and an excellent energy-power balance: 62.32 Wh kg −1 at 9 kW kg −1 .
Topics & Concepts
DissolutionBoosting (machine learning)CyclingConductivityMaterials scienceAqueous solutionIonChemical engineeringMetalSodiumElectrical resistivity and conductivityNanotechnologyInorganic chemistryChemistryMetallurgyComputer scienceOrganic chemistryEngineeringArtificial intelligenceElectrical engineeringHistoryArchaeologyPhysical chemistryAdvancements in Battery Materials