Highly-dispersed Ge quantum dots in carbon frameworks for ultra-long-life sodium ion batteries

Metal germanium (Ge) with a high theoretical capacity of 590 mA h g −1 is regarded as a promising anode material for sodium ion batteries, but it suffers from a fast capacity decay problem due to the serious agglomeration of Ge particles caused by the drastic volume change during the sodiation/desod...

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Veröffentlicht in:	Materials chemistry frontiers 2021-10, Vol.5 (21), p.7778-7786
Hauptverfasser:	Wei, Wei, Zhang, Yongya, Liang, Lei, Wang, Kefeng, Zhou, Qingfeng, Zhou, Yanli, Wang, Hua
Format:	Artikel
Sprache:	eng
Schlagworte:	Agglomeration Anodes Carbon Decay rate Electrode materials Germanium Ionic liquids Nanocomposites Nanoparticles Particle decay Quantum dots Sodium-ion batteries Storage batteries Ultrafines
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