一个柔软的可植入的能源供应系统,集成无线充电和可生物降解的离子混合超级电容器
Hongwei Sheng1, Li Jiang2, Qi Wang1
1School of Physical Science and Technology, Lanzhou University, Lanzhou, Gansu 730000, China.
Science advances
|November 15, 2023
概括
研究人员开发了一个软植入式电源系统,集成无线能源传输和储存. 该系统使用可生物降解的离子超级电容器,为生物电子设备和可控药物输送应用提供可靠的电源.
科学领域:
- 生物电子工程 生物电子工程
- 材料科学 材料科学 材料科学
- 储能 储能 储能 储能 储能 储能
背景情况:
- 植入式生物电子设备需要先进的电源解决方案,但电源模块的开发落后于传感器和电路集成.
- 植入式设备的现有电源通常在寿命,生物相容性和集成灵活性方面面临限制.
研究的目的:
- 开发一种柔软的,可植入的电力系统,可以单体集成无线能源传输和储存.
- 为下一代生物电子应用创造一种可生物降解和生物相容的电源.
主要方法:
- 生物降解Zn离子混合超级电容器的制造,使用硫化 (MoS2) 纳米片作为阴极,酸盐凝作为电解质,薄膜作为阳极.
- 将无线能源传输和存储模块集成到一个单一的软植入式系统中.
- 超级电容器性能评估,包括电容和输出电压,以及生物降解性和生物相容性研究.
主要成果:
- 开发的Zn-离子混合超级电容器实现了高电容 (93.5 mF cm-2) 和稳定的1.3V输出电压.
- 综合系统成功展示了无线能源传输和储存,使得直接供电和超级电容器充电成为可能.
- 通过控制药物输送应用程序验证了电源供应能力.
结论:
- 软植入式电源系统为为生物电子设备提供可靠和可持续的能源提供了有前途的解决方案.
- 超级电容器组件的可生物降解性和已证明的生物相容性为更安全,更长期的可植入应用铺平了道路.
- 这一综合系统通过解决关键的电力供应挑战,推动了可植入生物电子领域的发展.
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