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稳定高效的固态超级电容器和染料敏感太阳能电池使用离子液体注固体生物聚合物电解质.

Subhrajit Konwar1,2, Sirin Siyahjani Gultekin3,4, Burak Gultekin4

  • 1Center for Solar Cells & Renewable Energy, Department of Physics, Sharda University, Greater Noida 201310, India.

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概括

这项研究开发了一种可生物降解的玉米粉基聚合物电解质,添加了离子液体,实现了高离子导电性. 这种环保材料对储能设备,如电动双层电容器和染料敏化太阳能电池具有前景.

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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
  • 聚合物科学 聚合物科学

背景情况:

  • 越来越多的环境问题需要替代合成,非生物降解材料.
  • 可生物降解的聚合物为开发新型电解质提供了一个可持续的平台.
  • 用环保选择替代传统的电解质是研究重点之一.

研究的目的:

  • 利用玉米粉和离子液开发一种高导电性的,可生物降解的聚合物电解质.
  • 为了优化电解质以提高离子导电性和稳定性.
  • 为了评估在储能设备中开发的电解质的性能.

主要方法:

  • 用于制备基于玉米粉的聚合物电解质的溶液造方法.
  • 使用1-hexyl-3-methylimidazolium酸离子液体进行兴奋剂.
  • 使用FTIR,XRD,POM,热分析和电化学研究进行表征.
  • 电气双层电容器 (EDLC) 和染料敏感太阳能电池 (DSSC) 的制造和测试.

主要成果:

  • 达到最大的离子导电率为1.90 × 10-3 S/cm.
  • FTIR证实了复杂化;XRD和POM表明结晶性降低.
  • 在200°C以上的温度稳定性和3.91V的电化学窗口.
  • 离子转移号证实了主要的离子电荷载体.
  • 制造的EDLC和DSSC分别显示了130F/g的特定电容和1.73%的效率.

结论:

  • 离子液体合玉米粉聚合物电解质是一种有前途的可生物降解材料,用于储能.
  • 开发的电解质具有出色的离子导电性,稳定性和电化学性能.
  • 这项研究有助于开发下一代电子设备的可持续材料.