Yolk-shell Prussian blue nanoparticles with fast ion diffusion for sodium-ion battery
Materials Letters(2019)
摘要
•A template-free method was proposed for PBAs to obtain a yolk-shell structure.•The YSPB electrode delivers a high capacity of 140 mA h g−1.•The cycling stability is enhanced by the yolk-shell structure.•The yolk-shell structure helps accelerating the sodium ion diffusion.
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关键词
Yolk-shell structure,Nanoparticles,Fast ion-diffusion,Prussian blue analogues,Cathode materials,Energy storage and conversion
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