Engineering Pocket‐Like Graphene–Shell Encapsulated FeS2: Inhibiting Polysulfides Shuttle Effect in Potassium‐Ion Batteries

Resource‐rich FeS2 is a promising anode for potassium‐ion batteries (PIBs). However, polysulfides emerge due to FeS2 conversion during discharging, which dissolve into the ether‐based electrolyte and cause the continuous capacity degradation in PIBs. To address the polysulfides dissolution in PIBs,...

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Veröffentlicht in:	Advanced functional materials 2022-04, Vol.32 (14), p.n/a
Hauptverfasser:	Chen, Bochao, Ding, Jiawei, Bai, Xiangren, Zhang, Hanwen, Liang, Ming, Zhu, Shan, Shi, Chunsheng, Ma, Liying, Liu, Enzuo, Zhao, Naiqin, He, Fang, Zhou, Wei, He, Chunnian
Format:	Artikel
Sprache:	eng
Schlagworte:	core–shell structure Density functional theory DFT calculations Encapsulation FeS 2 Graphene Ionic mobility Materials science Polysulfides Potassium potassium‐ion batteries Pyrite Rechargeable batteries
Online-Zugang:	Volltext
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