[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:466 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
具有中空形貌的普鲁士蓝类似物(PBAs)因其优异的电化学性能而被广泛研究。本工作提出了一种用于制备具有开放笼形的MnFe PBA的一锅合成策略,并将所合成材料用于钠离子电池的正极。研究了合成过程中结构、形貌和性能的同步演化。结果表明,随着反应时间的延长,样品中的结构变化显著。具体表现为样品中的锰含量显著降低,钾含量增加。这种结构的演化导致了柯肯达尔效应和奥斯瓦尔德熟化的发生,从而导致了MnFe PBA的形貌发生了显著的变化。同时,过渡金属离子的自旋态也发生了显著的变化,导致了其充放电平台和氧化还原电位的变化。此外,探讨了样品的形成条件及其循环前后的结构与形貌的变化。这项研究为材料的结构、形态和性能之间的密切关系提供了有价值的见解。
Keywords
普鲁士蓝类似物,钠离子电池,结构演化,形貌演化
Speaker
Weilu Wang
China University of Mining and Technology

Submission Author
玮露 王 中国矿业大学
政 邢 中国矿业大学
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