Fast and Durable Lithium Storage Enabled by Tuning Entropy in Wadsley-Roth Phase Titanium Niobium Oxides.
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DOI: 10.1002/smll.202301967
Abstract: Wadsley-Roth phase titanium niobium oxides have received considerable interest as anodes for lithium ion batteries. However, the volume expansion and sluggish ion/electron transport kinetics retard its application in grid scale. Here, fast and durable lithium… read more here.
Keywords: wadsley roth; entropy; phase titanium; phase ... See more keywords
Multielectron Redox and Insulator-to-Metal Transition upon Lithium Insertion in the Fast-Charging, Wadsley-Roth Phase PNb9O25
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DOI: 10.1021/acs.chemmater.0c00560
Abstract: PNb9O25, a Wadsley–Roth compound whose structure is obtained by appropriate crystallographic shear of the ReO3 structure, is a high-power electrode material that can reach 85% of the equilibrium ca... read more here.
Keywords: pnb9o25; wadsley roth; redox insulator; insulator metal ... See more keywords
Entropy Stabilization of TiO2–Nb2O5 Wadsley–Roth Shear Phases and Their Prospects for Lithium-Ion Battery Anode Materials
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DOI: 10.1021/acs.chemmater.0c01553
Abstract: Wadsley–Roth phases accommodate variable cation charge by crystallographic shear planes delineating blocks of the parent ReO3 structure. The homologous series TiNbxO2+2.5x provides possible new ano... read more here.
Keywords: materials entropy; wadsley roth; wadsley; stabilization tio2 ... See more keywords
Ten Thousand-Cycle Ultrafast Energy Storage of Wadsley-Roth Phase Fe-Nb Oxides with a Desolvation Promoting Interfacial Layer.
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DOI: 10.1021/acs.nanolett.1c03478
Abstract: Developing advanced electrode materials with enhanced charge-transfer kinetics is the key to realizing fast energy storage technologies. Commonly used modification strategies, such as nanoengineering and carbon coating, are mainly focused on electron transfer and bulk… read more here.
Keywords: desolvation; energy; wadsley roth; layer ... See more keywords
A Wadsley-Roth crystallographic shear phase SrNb6O16 anode for fast Li-ion storage.
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DOI: 10.1039/d2cc03208b
Abstract: SrNb6O16, featuring an enlarged unit-cell volume (Wadsley-Roth phase), is selected as a model anode to investigate its fast-charging behaviors. This novel SrNb6O16 exhibits a large reversible capacity of 223.4 mA h g-1 at 0.3C, high… read more here.
Keywords: crystallographic shear; shear phase; wadsley roth; roth crystallographic ... See more keywords