一个直流自维持的水分电气发电机,具有1D/2D层次纳米结构,用于连续运行离网电子产品
Luyu Yang1,2, Lei Zhang2, Yang-Chun Yong1
1Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China.
ACS nano
|October 7, 2024
概括
研究人员开发了一种自给自足的湿电发生器 (SMEG),可以从环境湿度中持续产生直流 (DC) 电力. 这一创新为离网电子设备提供了可扩展的电源,无需外部存储或整流器.
科学领域:
- 材料科学 材料科学 材料科学
- 收集能源 收集能源
- 纳米技术纳米技术
背景情况:
- 大气中的水分是一个巨大的,尚未开发的清洁能源来源.
- 现有的水电发电机 (MEG) 通常需要辅助组件,这限制了它们的实际应用.
- 开发用于自动供电的离网设备的直流 (DC) MEG 仍然是一个重大挑战.
研究的目的:
- 为了演示一个能够直接直流输出功率的自主水电发电机 (SMEG).
- 通过消除对外部能量存储和整流器的需求,克服当前MEGs的局限性.
- 为离网电子设备提供可持续和可扩展的电力解决方案.
主要方法:
- 使用硫化细菌纤维素纳米纤维 (1D) 和减少氧化石墨烯纳米片 (2D) 制造层次纳米结构.
- 在纳米结构内的结构性异构和自我维持的湿度梯度的工程.
- 设备电力输出的特征,包括电压,功率密度和长期稳定性.
主要成果:
- SMEG成功地从大气湿度中产生连续直流电.
- 层次纳米结构促进了自我维持的湿度梯度,并通过集成的微电容器增强了功率输出.
- 该设备表现出了显著的运行耐用性,在超过2160小时内保持电压超过0.54V,功率密度约为822μW cm-3.3.
结论:
- 开发的SMEG为离网应用提供了一个有前途的,可持续的,高效的电源.
- 层次纳米结构设计是实现高性能和自主运行的关键.
- 这项工作为使用环境湿度的多功能,直驱动力解决方案铺平了道路.
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