Waste is the best: end-of-life lithium ion battery-derived ultra-active Ni<sup>3+</sup>-enriched β-Ni(OH)<sub>2</sub> for the electrocatalytic oxygen evolution reaction
Hiren Jungi, Arun Karmakar, Subrata Kundu, Joyee Mitra
Abstract
The recovery of Ni as Ni(DMG) 2 and subsequently as Ni 3+ -rich β-Ni(OH) 2 from spent LIBs is reported. The presence of Ni 3+ in the as-synthesized β-Ni(OH) 2 results in its exceptional electrocatalytic OER activity without any oxidative pre-treatment.
Topics & Concepts
Oxygen evolutionLithium (medication)OxygenNickelBattery (electricity)ChemistryNuclear chemistryCatalysisIonActive oxygenInorganic chemistryElectrochemistryMaterials scienceElectrodePhysical chemistryPhysicsOrganic chemistryQuantum mechanicsMedicinePower (physics)EndocrinologyElectrocatalysts for Energy ConversionAdvanced battery technologies researchAdvancements in Battery Materials