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铁素附加氨基基基双极电极材料用于高性能能量存储

Shagor Chowdhury^1,2, Saibal Jana¹, Sai P K Panguluri³

¹Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, D-76344, Germany.

|January 24, 2024

概括

一种新的双极有机分子CuDEFcP显示出作为先进的电化学能量存储设备的电极材料的潜力. 这种材料在可充电有机电池和双离子电池中提供了高容量和稳定性.

科学领域:

电化学电化学电化学
材料科学材料科学材料科学
储能储能储能储能储能储能

背景情况:

双极有机电极材料对电化学能量存储 (EES) 是有前途的.
限制包括低导电性,容量和高溶解度.
需要新的材料来克服这些挑战.

研究的目的:

开发一种具有多功能应用的新双极有机电极材料.
研究CuDEFcP在可充电有机基电池 (ROLB) 和双离子有机对称电池 (SDIB) 的性能.

主要方法:

合成一个双极的有机分子,结合氨酸和铁素部分 (CuDEFcP).
在基于的双离子电池 (LDIB) 中,CuDEFcP作为阴极的电化学测试.
电化学测试CuDEFcP作为离子电池 (LIB) 中的阳极.
在SDIB中对CuDEFcP作为阳极和阴极的评估.

主要成果:

作为LDIB中的阴极,CuDEFcP具有300 mAh/g的高初始放电容量,并在5000个循环后保持58 mAh/g.
作为LIBs中的阳极,CuDEFcP提供了295 mAh/g的可逆容量.
在SDIB中,CuDEFcP实现了2.4V的平均放电电压和261Wh/kg的能量密度.

结论:

在LDIB中,CuDEFcP作为阴极材料表现出卓越的性能.
在LIBs中,CuDEFcP显示出作为阳极材料的巨大潜力.
CuDEFcP是一种可行的多功能电极材料,适用于ROLB和SDIB.

关键词:

铁烯是一种铁烯.有机电池有机电池氨酸是氨酸中的一种.对称的细胞是对称的.

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