来自子的层次性多孔活性碳用于超高性能超级电容器
Yawei Wang1, Yuhui Duan2, Xia Liang1
1School of Chemistry and Chemical Engineering, Jiangxi Province Engineering Research Center of Ecological Chemical Industry, Jiujiang University, Jiujiang 332005, China.
研究人员将生物废物转化为超级电容器的层次性多孔活性炭 (CSAC). 这种可持续材料具有超高容量和出色的循环稳定性,为先进的储能解决方案铺平了道路.
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
- 可持续化学 可持续化学
背景情况:
- 开发先进的电极材料对于高性能储能设备至关重要.
- 生物废物利用提供了一条可持续的新碳材料的途径.
- 活性炭在超级电容器应用中具有理想的特性.
研究的目的:
- 从生物废物中合成层次性的多孔活性炭.
- 为了评估其作为超级电容器中的电极材料的性能.
- 探索能源储存的可持续替代方案.
主要方法:
- 子生物废物的一步KOH激活.
- 孔隙结构,表面积和孔隙体积的特征.
- 对称超级电容器和离子混合超级电容器的电化学测试.
主要成果:
- 产生了具有蜂结构的层次性多孔活性炭 (CSAC).
- CSAC的特异性表面积高 (2228 m2 g−1) 和孔径大小高 (1.07 cm3 g−1).
- 超级电容器表现出超高容量 (367 F g-1),高速率能力,以及出色的循环稳定性 (>92%保留超过10,000个循环).
结论:
- 生物废物可以有效地转化为高性能超级电容器电极材料.
- CSAC为可持续和高效的储能提供了一个有前途的途径.
- 开发的材料显示了超高性能超级电容应用的潜力.
更多相关视频
08:59Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
Published on: November 30, 2022
10:44Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for CuII Through Microwave Pre-Pyrolysis
Published on: February 12, 2019
相关概念视频
Capacitors in Series and Parallel
Suppose the capacitors are connected one after the other such that the negative terminal of the first connects to the positive terminal of the...
Capacitor With A Dielectric
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
Series and Parallel Capacitors
First, consider capacitors connected in series to a battery. In this configuration, the plate connected to the battery's positive terminal develops a positive charge, while the plate attached to the negative terminal becomes negatively charged. An equal magnitude of charge is induced on the...
Energy Stored in a Capacitor: Problem Solving
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
MOS Capacitor
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
Capacitors
When a voltage source is connected to a capacitor, positive and negative charges accumulate on the opposite plates. This accumulation generates a potential difference that equals the product of the...
