Ammonia-etching-assisted nanotailoring of manganese silicate boosts faradaic capacity for high-performance hybrid supercapacitors
Xueying Dong, Yifu Zhang, Qiang Chen, Hanmei Jiang, Qiushi Wang, Changgong Meng, Zongkui Kou
Abstract
Nanotailoring of active manganese silicate with an average particle size of about 20 nm is realized by an ammonia-etching-assisted route, delivering a 3.55-times higher faradaic capacity than the traditional yolk–shell counterpart in hybrid supercapacitors.
Topics & Concepts
SupercapacitorManganeseAmmoniaMaterials scienceSilicateEtching (microfabrication)Faraday efficiencyChemical engineeringChemistryNanotechnologyCapacitanceElectrodeElectrochemistryMetallurgyOrganic chemistryEngineeringPhysical chemistryLayer (electronics)Supercapacitor Materials and FabricationAdvanced battery technologies researchElectrocatalysts for Energy Conversion