具有灵活应变传感器和空气电池的自动供电集成系统
Jiayu Zhang1,2, Anbang Chen1,2, Songjiu Han1
1CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350108, China.
ACS applied materials & interfaces
|September 15, 2023
概括
这项研究介绍了一种新的自动供电灵活传感器系统,它结合了空气电池和应变传感器,用于在没有外部电源的情况下持续监测人类运动. 集成系统为可穿戴设备提供稳定,长期的能量和可靠的运动检测.
科学领域:
- 材料科学 材料科学 材料科学
- 可穿戴技术可穿戴技术
- 储能 储能 储能 储能 储能 储能
背景情况:
- 自动供电的灵活传感器对于可穿戴设备和健康监测至关重要.
- 传统系统面临诸如外部电源依赖和不稳定的能源供应等局限性.
- 需要具有持久电池寿命的长期,连续监控解决方案.
研究的目的:
- 开发一种创新的自动供电传感系统,用于持续监测人类运动.
- 将灵活的空气电池与应变传感器集成在一起,以获得稳定,长期的能量输出.
- 为电池电解质和应变传感器创建多功能水凝.
主要方法:
- 使用聚乙醇/聚烯酸双网络水凝制造柔性空气电池和应变传感器.
- 将各种碳材料纳入水凝,以实现多功能性.
- 将电池和传感器集成到一个单一的自动供电系统中.
主要成果:
- 空气电池表现出高功率密度 (82.5 mW cm-2),开放电路电压 (1.42 V) 和环境稳定性,在损坏后仍然可操作.
- 应变传感器表现出广泛的工作范围 (01400%) 与高灵敏度 (GF = 2.99),准确检测各种变形.
- 集成系统提供了一个稳定的输出信号,可持续监控人类运动长达10小时.
结论:
- 开发的自动供电传感系统为可穿戴应用提供了稳定,长期的能源解决方案.
- 该系统的稳定性和多功能性解决了传统自动供电传感器的局限性.
- 这项技术对先进的人类运动监测和可穿戴设备开发具有重大前景.
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