高度防热化水凝用于在超低温环境中收集人类的热量
Ding Zhang1, Yuetong Zhou1, Yin Mao1
1School of Materials Science and Engineering, National Institute for Advanced Materials, Smart Sensing Interdisciplinary Science Center, Nankai University, Tianjin 300350, P. R. China.
Nano letters
|December 1, 2023
概括
研究人员开发了一种防热化水凝,用于在极寒条件下发电. 这种灵活的水凝在-80°C下保持稳定性和效率,使得在恶劣的环境中能够收集能量.
科学领域:
- 材料科学 材料科学 材料科学
- 收集能源 收集能源
- 热电学是一种热电学.
背景情况:
- 热化水凝对于热能采集至关重要,但在零度以下的温度下会出现结问题.
- 传统的热水凝的结行为显著限制了它们在寒冷条件下的真实应用.
研究的目的:
- 设计和开发一种防热化水凝,用于在超低温环境中高效的热电发电.
- 研究新型水凝在极寒和机械应力下的性能和性能.
主要方法:
- 合成了一种使用[Fe(CN) 6-3/4-离子的热化凝防剂.
- 评估了 -80°C的水凝灵活性,重点关注结相互作用.
- 通过500次循环拉伸应变测试来评估机械稳定性.
- 测量了Seebeck系数以确定热电性能.
主要成果:
- 由于乙烯基醇与水之间的结,水凝在-80°C时表现出极好的灵活性.
- 在经过500次循环拉伸应变后,保持了特殊的机械稳定性.
- 获得了高Seebeck系数1.43mV/K,约95%的保留率.
- 一个可穿戴的热电鞋证明了在-30°C时有效地收集人类的热能,为LED供电.
结论:
- 开发的防热化水凝克服了极端寒冷的热电应用的结限制.
- 这种材料对在寒冷的气候下使用可穿戴的能源采集设备具有前景.
- 这项研究为设计先进的防热金材料提供了宝贵的见解.
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