Chromium doping enabled improvement in alkaline seawater oxidation over cobalt carbonate hydroxide nanowire array
Min Zhang, Xun He, Kai Dong, Hui Zhang, Yongchao Yao, Chaoxin Yang, Meng Yue, Shengjun Sun, Yuntong Sun, Dongdong Zheng, Yongsong Luo, Qian Liu, Na Li, Bo Tang, Jun Liu, Xuping Sun
Abstract
Cr-CoCH/NF serves as a highly efficient electrocatalyst for the oxygen evolution reaction, capable of achieving a large current density of 500 mA cm −2 with an overpotential of 450 mV and maintaining 200 h electrolytic tolerance in alkaline seawater.
Topics & Concepts
OverpotentialOxygen evolutionHydroxideSeawaterChromiumCobalt hydroxideCobaltElectrocatalystCarbonateChemistryNickelInorganic chemistryAnodeChemical engineeringMaterials scienceElectrochemistryElectrodeOrganic chemistryGeologyOceanographyPhysical chemistryEngineeringElectrocatalysts for Energy ConversionAdvanced battery technologies researchFuel Cells and Related Materials