坚固的造茶叶废物/减少的氧化石墨烯水凝,用于高性能灵活的超级电容器
Dan Wu1,2, Jiajia Zhou1, Wuqiang Deng1
1College of Materials and Chemical Engineering, Hunan City University, Yiyang 413000, China.
Polymers
|November 27, 2024
概括
研究人员开发了一种用于储能的新型茶叶废物/减少氧化石墨烯 (TW/rGO) 水凝. 这种可持续材料提供了出色的电化学性能,为先进的超级电容器应用铺平了道路.
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:
- 茶叶废物,富含化合物,是一个未充分利用的资源.
- 石墨烯氧化物是开发先进复合材料的多功能材料.
研究的目的:
- 从茶叶废物和石墨烯氧化物开发一种新的水凝复合物.
- 为了评估茶叶废物/减少氧化石墨烯 (TW/rGO) 水凝的电化学性能,用于储能应用.
主要方法:
- 为了合成TW/rGO水凝,采用了一步热水法.
- 描述了水凝的结构,机械性能和电化学性能.
主要成果:
- 合成的TW/rGO水凝呈现出3D多孔结构和良好的机械强度 (53.4 ± 4.0 kPa).
- 电极材料在1Ag-1时达到434.7Fg-1的特定电容,在100Ag-1.1时保持55.8%的电容.
- 使用TW/rGO的全固态超级电容器显示特定电容量为372.8 F g-1和能量密度为12.9 Wh kg-1.
结论:
- TW/rGO水凝是高性能超级电容器的一个有希望的,可持续的材料.
- 在复合材料中直接利用茶叶废物提供了环境和经济上的好处.
更多相关视频
12:00Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
Published on: January 7, 2022
12.0K
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
4.4K
相关概念视频
MOS Capacitor
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
Superplasticizers
Superplasticizers are advanced admixtures that enhance the workability of concrete by lowering the water content without compromising the strength of the material. These substances are highly effective water reducers, improving concrete flow, making it easier to work with, and enabling concrete to reach inaccessible areas or densely reinforced sections without mechanical vibration. The key components in superplasticizers are either sulfonated melamine or naphthalene formaldehyde condensates,...
