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ZIF-8-Derived Carbon In-Situ Encapsulated Hollow Mn2SiO4 Sub-Microspheres as Anode for Lithium-Ion Batteries with Ultrahigh Capacity and Excellent Rate Performance.
Zhu, Chengyu; Zhang, Yanan; Ye, Youwen; Li, Gang; Cheng, Fei.
Afiliación
  • Zhu C; National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Xiping Road 5340, Beichen District, Tianjin
  • Zhang Y; National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Xiping Road 5340, Beichen District, Tianjin
  • Ye Y; National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Xiping Road 5340, Beichen District, Tianjin
  • Li G; National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Xiping Road 5340, Beichen District, Tianjin
  • Cheng F; National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Xiping Road 5340, Beichen District, Tianjin
ACS Appl Mater Interfaces ; 15(33): 39363-39373, 2023 Aug 23.
Article en En | MEDLINE | ID: mdl-37614005
Manganese silicate (Mn2SiO4) possesses a more suitable volume expansion (186%) compared to SiOx-based materials and is also characterized by low cost, environmental friendliness, and considerable theoretical capacity. Hollow Mn2SiO4 sub-microspheres encapsulated by a highly continuous network of conductive carbon (MSC) are prepared by the self-templating method and subsequent ZIF-8-derived carbon coating. The as-prepared Mn2SiO4@C hybrid under optimal conditions (MSC-2) can provide a high capacity of 1343 mA h g-1 at 0.2 A g-1 and an excellent rate performance of 434 mA h g-1 at 10 A g-1. Even after 500 cycles, MSC-2 can still maintain a considerable specific capacity of 554 mA h g-1 at a high current density of 5.0 A g-1. Additionally, the full cell assembled with MSC-2 anode and LiFePO4 cathode (MSC-2//LFP) possesses a robust energy density of 218 W h kg-1, excellent power density of 2.5 kW kg-1, and good cycling stability.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2023 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2023 Tipo del documento: Article Pais de publicación: Estados Unidos