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Anode materials with excellent properties have become the key to develop sodium‐ion hybrid capacitors (SIHCs) that combine the advantages of both batteries and capacitors. Amorphous modulation is an effective strategy to realize high energy/power density in SIHCs. Herein, atomically amorphous Nb‐O/N clusters with asymmetric coordination are in situ created in N‐doped hollow carbon shells (Nb‐O/N@C)...
Sodium‐ion batteries (SIBs) as economic candidates have received considerable attention for large‐scale energy storage applications. However, crystalline metal compounds with specific transport routes and rigid structures restrict their practical applications. Herein, the atomically dispersed N‐rich amorphous WN clusters confined in the carbon nanosheets (WN/CNSs) are reported. Through advanced...
Atomic Disorders
The specific transport routes and rigid structures of crystalline metal compounds can limit their application in sodium ion batteries. The atomically dispersed amorphous W‐N clusters confined in carbon nanosheets (W‐N/CNSs) can provide abundant storage sites and isotropic transport paths for sodium ions, and the highly conductive CNSs can facilitate electron transfer and buffer structural...
Constructing heterojunctions has been demonstrated as an important approach to improve the catalytic performance of photocatalysts, but how to regulate the transfer and separation of photogenerated carriers at the interface is still a great challenge. Herein, W2N3‐NV, a two‐dimensional transition metal nitride containing nitrogen vacancies, is synthesized by a molten salt‐assisted atmosphere calcination...