来自土豆皮的B,N-化活性碳基电极用于储能应用
Jan Willem Straten1, Muhammad-Jamal Alhnidi1, Ghassan Alchoumari1
1University of Hohenheim, Institute of Agricultural Engineering, Department of Conversion Technologies of Biobased Resources, Garbenstr. 9, 70599, Stuttgart, Germany.
ChemistryOpen
|February 20, 2025
概括
马皮被转化为化活性炭,用于储能. 和的联合剂显著提高了这些新型碳材料的电导率和特定电容.
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:
- 像土豆皮这样的废弃生物质是制造先进材料的未充分利用的资源.
- 开发具有成本效益和高性能的电极材料对于储能应用至关重要.
- 用异原子合碳材料可以显著改变它们的物理化学和电化学性质.
研究的目的:
- 从土豆皮中合成 (B) 和 (N) 合活性炭.
- 调查B-doping和B,N-co-doping对活性炭电极性能的影响.
- 为了评估这些用于储能的兴奋剂材料的电化学性能.
主要方法:
- 用尿素和三氧化物对土豆皮进行水热碳化 (HTC),用于现场注.
- 使用ZnCl2进行化学激活,以产生活性炭.
- 材料属性的表征和电化学性能测试.
主要成果:
- 合成单一B-和B,N-共活性碳,含有不同的B和N.
- 在B,N-co-doped活性炭中,含量最高 (5.7 wt%) 和含量显著 (0.1 wt%).
- 与原始活性炭相比,合碳的电导率提高了. 与B,N联合合的交流电实现了在100mV/s时的51.7F/g和在5mV/s时的71.9F/g的特定容量.
结论:
- 来自土豆皮的B,N-co-doped活性炭显示出优越的电化学性能,用于储能.
- 异质原子兴奋剂是一种有效的策略,以改善生物质衍生碳的特性.
- 这种方法提供了一种可持续的途径,用于将废弃生物质提升为高价值的储能材料.
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