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A Compact and High-Power Rectenna Array for Wireless Power Transmission Applications

Author

Listed:
  • Dajiu Huang

    (China Telecom Group Co., Ltd. Sichuan Branch, Chengdu 610015, China)

  • Jincheng Li

    (College of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China)

  • Ziqiang Du

    (China Telecom Group Co., Ltd. Sichuan Branch, Chengdu 610015, China)

  • Changjun Liu

    (College of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China)

  • Zhongqi He

    (College of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China)

  • Ji Zhang

    (China Telecom Group Co., Ltd. Sichuan Branch, Chengdu 610015, China)

Abstract

Microwave wireless power transmission (MWPT) applications have attracted worldwide interest and attention in recent years. Rectennas are a crucial component of a MWPT system. The rectenna’s power capacity and output DC power have great significance with regard to the MWPT system’s performance. In this article, a compact 4 × 4 S-band rectangular patch rectenna array for MWPT is proposed and experimentally verified. Firstly, an S-band rectifier with better consistency and lower cost than a traditional output design using parallel capacitors as a filter is achieved. Then, a rectenna array based on the proposed rectifier and a novel design idea is proposed. The rectenna can achieve an output DC power of 117.6 mW/cm 3 and an efficiency of 47.6%. Finally, a MWPT verification experiment is conducted. A 12-inch LCD screen powered by the rectenna with a rated power of 12 W successfully works without any other power supply. This article provides a new design of a rectenna for MWPT, and the proposed rectenna array demonstrates its good engineering significance and application prospects.

Suggested Citation

  • Dajiu Huang & Jincheng Li & Ziqiang Du & Changjun Liu & Zhongqi He & Ji Zhang, 2024. "A Compact and High-Power Rectenna Array for Wireless Power Transmission Applications," Energies, MDPI, vol. 17(23), pages 1-16, November.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:23:p:6008-:d:1532526
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