Review
Chemistry, Multidisciplinary
So-Yoon Yang, Vitor Sencadas, Siheng Sean You, Neil Zi-Xun Jia, Shriya Sruthi Srinivasan, Hen-Wei Huang, Abdelsalam Elrefaey Ahmed, Jia Ying Liang, Giovanni Traverso
Summary: The article reviews the state-of-the-art of powering technologies for implantable and ingestible biomedical electronics, highlighting the importance of developing safe, compact, and high volumetric energy density power sources for long-term in-body biomedical electronics and personalized healthcare. It also discusses novel batteries, energy harvesting devices, and energy transfer methods suitable for implantable and ingestible electronics.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Engineering, Biomedical
Nima Soltani, Maged ElAnsary, Jianxiong Xu, Jose Sales Filho, Roman Genov
Summary: A tutorial and comprehensive guide for the design of planar spiral inductors with maximum energy delivery in biomedical implants is presented in this paper. By comparing the proposed methodology with the conventional approach, it is demonstrated that the presented technique increases the maximum deliverable power significantly while maintaining moderate link efficiencies.
IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS
(2021)
Review
Chemistry, Physical
Tiancong Zhao, Minyi Xu, Xiu Xiao, Yong Ma, Zhou Li, Zhong Lin Wang
Summary: Oceanography has received much attention in the 21st century, with the ocean kinetic energy harvester making progress in powering ocean sensors. This study reviews the latest developments in different types of harvesters and analyzes the working principles and output performance of the OKEH, while also highlighting future challenges and perspectives. Based on comparisons, the study suggests that TENG is favorable for harvesting specific types of wave energy.
Review
Biophysics
H. Dinis, P. M. Mendes
Summary: Microfabrication techniques, sensor and actuator miniaturization, optimization of microelectronic circuits, and wireless communication capabilities have enabled the development of implants for previously impossible applications. However, the scaling down of implants raises challenges in powering them, leading to emerging energy sources that do not rely on batteries. This paper reviews recent implantable bioelectronic devices that employ alternative powering methods and discusses their suitability for future devices.
BIOSENSORS & BIOELECTRONICS
(2021)
Review
Chemistry, Physical
Saikat Dutta, Rahul Patil, Tapan Dey
Summary: Single enzyme fuel cells have the unique capability of degrading organics and generating electricity. Factors such as bioelectrode fabrication, enzyme conformation, and electron transport mechanism significantly influence the power density. These fuel cells have advanced applications in areas such as waste-water treatment, energy storage, and self-powering biosensors.
Article
Engineering, Electrical & Electronic
Amjad Iqbal, Muath Al-Hasan, Ismail Ben Mabrouk, Abdul Basir, Mourad Nedil, Hyoungsuk Yoo
Summary: This article introduces an efficient WPTS for multipurpose biomedical implants, which includes an implantable antenna, rectifier, and WPT Tx. The system can transfer data and recharge devices simultaneously. The components operate at 1470 MHz, with the self-diplexing antenna also working at 915 MHz.
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
(2021)
Review
Chemistry, Physical
Hexiang Zhang, Qianhui Shen, Peng Zheng, Hao Wang, Rui Zou, Zutao Zhang, Yajia Pan, Jin-Yi Zhi, Ze-Rui Xiang
Summary: With the rapid development of microelectronics and Internet of Things technology, wearable devices are gaining popularity in human health monitoring. Human bioenergy harvesting, as an alternative to batteries, has emerged as a viable option. This paper explores the collection of human inertial energy through motion and its conversion into electrical energy. It provides a comprehensive review of the advancements in this technology, as well as its applications in powering wearable devices, medical health monitoring, and mobile power sources.
Article
Chemistry, Analytical
Jie Luo, Ruifeng Xue, Jiahao Cheong, Xuan Zhang, Lei Yao
Summary: This paper presents a design and optimization method using inductive coupling coils for wireless power transfer in implantable neural recording microsystems. The method aims to maximize power transfer efficiency to reduce externally transmitted power and ensure safety in biological tissue. The design optimization process of the coil parameters is given, and planar spiral coils are designed to meet the challenges of limited space, low-profile restrictions, high-power transmission requirements, and biocompatibility.
Article
Chemistry, Multidisciplinary
Marc Riedel, Soraya Hoefs, Adrian Ruff, Wolfgang Schuhmann, Fred Lisdat
Summary: The study presents a photobioelectrochemical fuel cell utilizing enzymatic glucose conversion to drive two photobioelectrodes, generating electricity under illumination and in the presence of glucose with a high open circuit voltage of about 1V.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Piyush Parkhey, Reecha Sahu
Summary: Microfluidic microbial fuel cells have been identified as a portable, green energy source for microelectronics, offering higher performance and improved reaction rates compared to conventional fuel cells. However, there are still some notable disadvantages that need to be addressed in order to commercialize the technology.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Biophysics
Yang Yang, Yongjian Su, Xun Zhu, Dingding Ye, Rong Chen, Qiang Liao
Summary: Enzymatic fuel cells have attracted attention for their good compatibility with the human body, easy integration, and cost-effectiveness, with modified lactate oxidase bio-anodes using carbon nanotubes and naphthoquinone for enhanced electron transfer. The use of polyvinyl alcohol hydrogel as a separator and lactate container enables successful electricity generation from sweat, providing a plausible solution for powering miniaturized sensors and circuits with a power density of 62.2 +/- 2.4 μW cm(-2) under bending/torsion conditions.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Chemistry, Physical
Biao Wang, Zhihe Long, Ying Hong, Qiqi Pan, Weikang Lin, Zhengbao Yang
Summary: Inspired by the woodpecker's head structure, a bionic two-layer band piezoelectric energy harvester is designed for self-powered smartwatches and wristbands. It employs finite element analysis to optimize energy collection positions and features an improved rectifier circuit. Experimental results show that the design is capable of continuously powering a watch and a screen, with a power density five times higher than previous wrist-worn harvesters.
Article
Chemistry, Analytical
Quentin Quevy, Gianluca Cornetta, Abdellah Touhafi
Summary: Traffic congestion leads to significant economic and social costs on a daily basis, particularly when priority vehicles are obstructed due to delays. This paper introduces an acoustic and self-powered device that can detect priority vehicles and be cost effectively deployed in a sensor network.
Article
Chemistry, Physical
Jingting Zhuo, Zhihao Zhihao, Rui Ma, Xujing Zhang, Yiqun Wang, Peiyuan Yang, Lingyun Cao, Jiaxiang Chen, Jintao Lu, Gengjia Chen, Guoqi Chen, Jun Fu, Ziping Wu, Jie Wang, Xiaofeng Wang, Guowei Yang, Fang Yi
Summary: Wearable hybrid energy harvesters have great potential in supplying power to wearable electronics by addressing the issue of discontinuous energy sources. However, there are challenges in matching outputs and maintaining breathability. In this study, a breathable and woven hybrid energy harvester (BWHEH) is developed using a textile TENG and fiber BFCs, with a specially designed power management circuit. The BWHEH significantly improves power delivery and offers guidance for high-power hybrid energy harvesters.
Article
Thermodynamics
Kazuaki Yazawa, Yining Feng, Na Lu
Summary: This paper discusses a novel conformal thermoelectric generator (cTEG) design for powering IoT wireless sensors, addressing issues in monitoring steam pipelines. Through module design optimization, higher power output can be achieved.
ENERGY CONVERSION AND MANAGEMENT
(2021)
