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Fast charging lithium (Li)‐ion batteries are intensively pursued for next‐generation energy storage devices, whose electrochemical performance is largely determined by their constituent electrode materials. While nanosizing of electrode materials enhances high‐rate capability in academic research, it presents practical limitations like volumetric packing density and high synthetic cost. As an alternative...
Polymer‐based solid‐state batteries (SSBs) have received increasing attentions due to the absence of interfacial problems in sulfide/oxide‐type SSBs, but the lower oxidation potential of polymer‐based electrolytes greatly limits the application of conventional high‐voltage cathode such as LiNixCoyMnzO2 (NCM) and lithium‐rich NCM. Herein, this study reports on a lithium‐free V2O5 cathode that enables...
Maintaining the morphology of electrode materials with high invertibility contributes to the prolonged cyclic stability of battery systems. However, the majority of electrode materials tend to degrade during the charge–discharge process owing to the inevitable increase in entropy. Herein, a self‐healing strategy is designed to promote morphology rejuvenation in Prussian blue analogue (PBA) cathodes...
The crystalline structures and magnetic and thermodynamic properties of a Gd4Ga2O9 single crystal grown with the optical floating zone technique have been investigated. Gd4Ga2O9 crystallizes in a monoclinic structure with the space group P21/c at room temperature. Temperature‐dependent magnetic susceptibility measurements along the three crystallographic axes reveal a paramagnetic (PM) behavior between...
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