Recent advances in biodegradable implantable electrochemical energy storage devices

被引：0
|
作者：
Ma Y. [1 ]
Sheng H. [1 ]
Zhang H. [1 ]
Lan W. [1 ]
机构：
[1] School of Physics Science and Technology, Lanzhou University, Lanzhou
来源：
Zhongguo Kexue Jishu Kexue/Scientia Sinica Technologica | 2024年 / 54卷 / 05期
关键词：
batteries; biodegradable; implantable medical electronics; supercapacitors;
D O I：
10.1360/SST-2023-0277
中图分类号：
学科分类号：
摘要：
Emerging biodegradable implantable medical electronics have shown great potential for application in personalized health monitoring and precise diagnosis and treatment of diseases. However, numerous challenges to achieving actual clinical applications still exist because of the lack of associated biodegradable power sources. Existing implantable batteries are bulky and encased in rigid materials, leading to mechanical mismatch with soft biological tissues. Additionally, the materials used in the power source contain toxic substances, posing serious safety hazards once implanted in the body. More importantly, a second surgery is required to remove the batteries after their service life, imposing a substantial physical and economic burden on patients. Flexible energy devices with transient characteristics and excellent biocompatibility offer a new strategy for addressing the aforementioned challenges. Among them, biodegradable electrochemical energy storage devices have independent power supply capability and are nearly unconstrained by external conditions, which are aligned seamlessly with the unique application scenario of implantable medical electronics. Therefore, this study focuses on a comprehensive review of the latest research advancements in biodegradable batteries and supercapacitors for implantable medical electronic applications. The discussion categorizes these devices according to their configurations, highlighting their working principles, material selection, electrochemical performance, and degradation behavior. Finally, this review outlines the challenges and issues facing these technologies and offers insights into future development directions. © 2024 Chinese Academy of Sciences. All rights reserved.
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页码：786 / 802
页数：16
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