Combined Magnetoelectric/Coil Receiving Antenna for Biomedical Wireless Power Transfer

被引：1
|
作者：
Ma, Yuchen [1 ]
Liu, Changrong [1 ]
Huang, Yong [2 ]
Ke, Hua [3 ]
Liu, Xueguan [1 ]
机构：
[1] Soochow Univ, Sch Elect & Informat Engn, Suzhou 215006, Peoples R China
[2] Su Zhou Bohai Microsyst Co Ltd, Suzhou 215163, Jiangsu, Peoples R China
[3] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
来源：
IEEE JOURNAL OF ELECTROMAGNETICS RF AND MICROWAVES IN MEDICINE AND BIOLOGY | 2025年 / 9卷 / 01期
基金：
中国博士后科学基金;
关键词：
Implantable medical devices (IMDs); magnetoelectric (ME); inductive coil; combined device; power transfer efficiency (PTE); SAFETY CONSIDERATIONS; IMPLANTABLE ANTENNAS; DESIGN; BODY;
D O I：
10.1109/JERM.2024.3420737
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
To improve the wireless power transfer efficiency (PTE) of implantable medical devices (IMDs), a receiving rectenna consisting of a magneto-electric (ME) heterostructure mechanical antenna combined with an RF inductive coil is proposed in this paper. The receiving antenna, which operates at 54 kHz, consists of a ME antenna of 30 x 10 x 0.456 mm(3) and a 60-turn inductive coil wound of 30 x 12 x 3 mm(3). The receiving and transmitting antennas are analyzed and the wireless power transfer performance is measured. The specific absorption rate (SAR) at the resonant frequency is simulated to satisfy the safety standard. The final measured PTE at a distance of 15 mm between the transmitting coil and the proposed receiving antenna is 2.8159%, which is considerably higher than that of a single ME antenna or an inductive coil. The proposed receiving antenna is suitable for wireless biomedical devices.
引用
收藏
页码：15 / 26
页数：12
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