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基于共价有机框架的灵活聚合物可充电电池的构建,涂层碳纳米管,带有六电子氧化还原活性阳极

Meng Pan¹, Tingting Zhao¹, Yufeng Xiong¹

¹Center for Smart Materials and Devices, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, PR China.

Journal of colloid and interface science

|March 22, 2025

概括

研究人员开发了一种新的碳纳米管封装共价有机框架 (CNT@TpTt COF),用于整个聚合物可充电电池 (EPRB) 中的高容量聚合物阳极. 这一进步提高了电池的性能和灵活性.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
聚合物科学聚合物科学

背景情况:

全聚合物可充电电池 (EPRB) 提供高功率密度和灵活的制造.
开发具有高容量和导电性的反氧活性聚合物电极对于EPRBs至关重要.
优化聚合物电极和电解质之间的兼容性至关重要.

研究的目的:

为EPRBs合成一种新的聚合物阳极材料.
为了提高聚合物电极的电化学性能和兼容性.
开发一个高性能,灵活的双离子EPRB.

主要方法:

通过利用 π-π 相互作用进行现场生长,合成了由 CNTs (CNT@TpTt COF) 封装的少数层 TpTt COF.
通过理论计算和分析,研究了电化学行为和氧化还原机制.
组装了一个双离子型EPRB与CNT@TpTtCOF阳极,聚合物阴极和固体聚合物电解质.

主要成果:

CNT@TpTt COF证明了六个电子的氧化还原反应,具有434mAhg-1.1的可逆容量.
该材料表现出优越的速率性能和n型氧化还原行为.
组装的EPRB实现了103 mAh g-1的放电容量,并显示了灵活性的潜力.

结论:

CNT@TpTt COF是高性能EPRB的一个有前途的阳极材料.
开发的双离子EPRB提供了灵活性和改进的能量存储.
这项研究为先进的柔性聚合物电池铺平了道路.

关键词:

阳极材料是一种阳极材料.共价有机框架是共价有机框架.全聚合物可充电电池的可充电电池

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