[Oral Presentation]MnFe Prussian Blue Analogue Open Cages for Sodium-Ion Batteries: Simultaneous Evolution of Structure, Morphology and Energy Storage Properties
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[Oral Presentation]MnFe Prussian Blue Analogue Open Cages for Sodium-Ion Batteries: Simultaneous Evolution of Structure, Morphology and Energy Storage Properties

MnFe Prussian Blue Analogue Open Cages for Sodium-Ion Batteries: Simultaneous Evolution of Structure, Morphology and Energy Storage Properties
ID:14 Submission ID:164 View Protection:ATTENDEE Updated Time:2024-05-21 11:58:52 Hits:2177 Oral Presentation

Start Time:2024-05-31 15:00 (Asia/Shanghai)

Duration:10min

Session:[S7] Minerals and Advanced Energy Materials ? [S7-3] Afternoon of May 31st

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Abstract
具有中空形貌的普魯士藍類似物(PBAs)因其優異的電化學性能而被廣泛研究。本工作提出了一種用于制備具有開放籠形的MnFe PBA的一鍋合成策略,并將所合成材料用于鈉離子電池的正極。研究了合成過程中結構、形貌和性能的同步演化。結果表明,隨著反應時間的延長,樣品中的結構變化顯著。具體表現為樣品中的錳含量顯著降低,鉀含量增加。這種結構的演化導致了柯肯達爾效應和奧斯瓦爾德熟化的發生,從而導致了MnFe PBA的形貌發生了顯著的變化。同時,過渡金屬離子的自旋態也發生了顯著的變化,導致了其充放電平臺和氧化還原電位的變化。此外,探討了樣品的形成條件及其循環前后的結構與形貌的變化。這項研究為材料的結構、形態和性能之間的密切關系提供了有價值的見解。
Keywords
普魯士藍類似物,鈉離子電池,結構演化,形貌演化
Speaker
Weilu Wang
China University of Mining and Technology

Submission Author
瑋露 王 中國礦業大學
政 邢 中國礦業大學
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