一种地质聚合物膜用于结构力学和储能双功能超级电容器中的应用
Jing-Lei Yang1, Wei-Bin Zhang1, Shan-Shan Chai1
1College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China. zhangweibin17@cdut.edu.cn.
Physical chemistry chemical physics : PCCP
|September 1, 2023
概括
本研究介绍了一种新型的双功能超级电容器,它既提供结构支持,也提供能量储存. 该设备使用地质聚合物膜和氧化电极,实现高容量和机械强度.
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
- 结构工程 结构工程
背景情况:
- 超级电容器对于储能至关重要.
- 开发具有双重功能的材料 (结构和能量储存) 是一个关键的研究领域.
- 地质聚合物由于其可调节性质,因此具有作为结构电解质的潜力.
研究的目的:
- 设计和组装一个具有集成结构力学和能量存储能力的双功能超级电容器.
- 为了优化地质聚合物矩阵内的伪容量氧化电极的性能.
- 评估新型双功能超级电容器的电化学和机械性能.
主要方法:
- 制造地质聚合物膜作为结构电解质,使用金属和性激活剂.
- 氧化物 (Mn7O13) 电极通过水热处理和回火的制备.
- 使用活性炭和地质聚合物粘合剂组装双功能超级电容器.
- 电化学性能 (特定电容) 和机械性能 (压力下) 的表征.
主要成果:
- 在24小时以160°C的水热处理和45分钟以300°C的化后,获得了最佳的电极性能.
- 优化的Mn7O13电极表现出175.5 F g-1 (2392.6 F m-2) 的特定电容.
- 组装的双功能超级电容器在15MPa压力下在1Ag-1下表现出144.12Fg-1 (1960.0Fm-2) 的特定电容.
结论:
- 一种基于地质聚合物的新型二功能超级电容器,能够同时储存能量和机械支持,已经成功开发出来.
- 优化的电极材料和设备配置显示出有希望的电化学性能.
- 这项研究为结构性储能应用中的先进材料铺平了道路.
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