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In article number 2004925, Yan Yu, Yanglong Hou, and co‐workers report a hierarchical porous Na3V2(PO4)2O2F hollow nanosphere material with fast ionic/electronic conductivities, easy and continuous electrolyte supplement and robust electrode integrity properties, kinetically accelerated sodium‐ion storage behavior of high‐capacity, high‐rate and long‐life cycling.
Sodium‐ion batteries (SIBs) are receiving considerable attention as economic candidates for large‐scale energy storage applications. Na3V2(PO4)2O2F (NVPF) is intensively regarded as one of the most promising cathode materials for SIBs, due to its high energy density, fast ionic conduction, and robust Na+‐super‐ionic conductor (NASICON) framework. However, poor rate capability ascribed to the intrinsically...
Free‐standing electrodes with high energy density and long life are of critical importance to the development of lithium‐ion batteries (LIBs) for flexible/wearable electronic devices. Herein, the free‐standing and foldable V2O3/multichannel carbon nanofibers (V2O3/MCCNFs) composites are prepared via electrospinning and subsequent carbonization. Such V2O3/MCCNFs electrode delivers a superior capacity...
In article number 1901995, Yanglong Hou and co‐workers demonstrate a simplistic, scalable and general synthesis strategy employing various combinations of binary transition metal selenides (B‐TMSs) with high surface area and hierarchical nanosheet structures as promising anodes for sodium ion batteries (SIBs). Representative B‐TMSs anodes present adequately high energy capacities, excellent rate capabilities...
Multiple transition metals containing chalcogenides have recently drawn boosted attraction as anodes for sodium ion batteries (SIBs). Their greatly enhanced electrochemical performances can be attributed to the superior intrinsic conductivities and richer redox reactions, comparative to mono metal chalcogenides. To employ various binary metals comprising selenides (B‐TMSs) for SIBs, discovery of a...
Lithium sulfur batteries (LSBs) with high theoretical energy density are being pursued as highly promising next‐generation large‐scale energy storage devices. However, its launch into practical application is still shackled by various challenges. A rational nanostructure of hollow carbon nanoboxes filled with birnessite‐type manganese oxide nanosheets (MnO2@HCB) as a new class of molecularly‐designed...
In article number 1700087, Yanglong Hou and co‐workers fabricate rational nanostructures of hollow carbon nanoboxes filled with birnessite‐type manganese oxide nanosheets (MnO2@HCB) to overcome the obstacles of low sulfur loading, poor conductivity and redox shuttle of LSBs via effective physical confinement and chemical interaction to enhance the electrochemical performance of lithium sulfur batteries...
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