A Body Conformal Ultrasound Receiver for Efficient and Stable Wireless Power Transfer in Deep Percutaneous Charging

Iman M. Imani; Hyun Soo Kim; Minhyuk Lee; Seung‐Bum Kim; So‐Min Song; Dong‐Gyu Lee; Joon‐Ha Hwang; Jeyeon Lee; In‐Yong Suh; Sang‐Woo Kim; Jun Chen; Heemin Kang; Donghee Son; Jeong Min Baik; Sunghoon Hur; Hyun‐Cheol Song

doi:10.1002/adma.202419264

journal article·2025-05Open access

A Body Conformal Ultrasound Receiver for Efficient and Stable Wireless Power Transfer in Deep Percutaneous Charging

Iman M. Imani, Hyun Soo Kim, Minhyuk Lee, Seung‐Bum Kim, So‐Min Song, Dong‐Gyu Lee, Joon‐Ha Hwang, Jeyeon Lee, In‐Yong Suh, Sang‐Woo Kim, Jun Chen, Heemin Kang, Donghee Son, Jeong Min Baik, Sunghoon Hur, Hyun‐Cheol Song

Advanced Materials· Volume 37· Issue 19

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Source abstract

Abstract

Abstract Wireless powering of rechargeable‐implantable medical devices presents a challenge in developing reliable wireless energy transfer systems that meet medical safety and standards. Ultrasound‐driven triboelectric nanogenerators (US‐TENG) are investigated for various medical applications, including noninvasive percutaneous wireless battery powering to reduce the need for multiple surgeries for battery replacement. However, these devices often suffer from inefficiency due to limited output performance and rigidity. To address this issue, a dielectric‐ferroelectric boosted US‐TENG (US‐TENG _DF‐B ) capable of producing a high output charge with low‐intensity ultrasound and a long probe distance is developed, comparatively. The feasibility and output stability of this deformable and augmented device is confirmed under various bending conditions, making it suitable for use in the body's curved positions or with electronic implants. The device achieved an output of ≈26 V and ≈6.7 mW output for remote charging of a rechargeable battery at a 35 mm distance. These results demonstrate the effectiveness of the output‐augmented US‐TENG for deep short‐term wireless charging of implantable electronics with flexing conditions in curved devices such as future total artificial hearts.

Source: crossref · Quality: baseline

Research context

Energy storage Nanomaterials Biomaterials Electronic materials

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Wireless Power Transfer Systems · Conducting polymers and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science and Engineering Korea University Seoul 02841 Republic of Korea

Electronic and Hybrid Materials Research Center Korea Institute of Science and Technology (KIST) Seoul 02792 Republic of Korea

School of Mechanical Engineering Korea University Seoul 02841 Republic of Korea

School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea

Department of Micro/Nano Systems Korea University Seoul 02841 Republic of Korea

Department of Materials Science and Engineering Center for Human‐oriented Triboelectric Energy Harvesting Yonsei University Seoul 03722 Republic of Korea

Department of Bioengineering University of California Los Angeles CA 90095 USA

Department of Electrical and Computer Engineering Sungkyunkwan University (SKKU) Suwon Republic of Korea

Department of Superintelligence Engineering Sungkyunkwan University (SKKU) Suwon Republic of Korea

Center for Neuroscience Imaging Research Institute for Basic Science (IBS) Suwon Republic of Korea

KIST‐SKKU Carbon‐Neutral Research Center Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea

Funding

Korea Institute of Science and Technology · National Research Foundation of Korea

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