Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power Transfer
This paper presents a novel structure for designing a dual-band (DB) rectifier with high efficiency and compact size for wireless power transfer. The proposed circuit employs a simple dual band-stop network cascaded by only two transmission lines (TLINs) which can yield open-circuit termination simu...
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| Format: | Article |
| Language: | English |
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IEEE
2025-01-01
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| Series: | IEEE Access |
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| Online Access: | https://ieeexplore.ieee.org/document/10483010/ |
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| author | Dang-An Nguyen Yujin Choi Chulhun Seo |
| author_facet | Dang-An Nguyen Yujin Choi Chulhun Seo |
| author_sort | Dang-An Nguyen |
| collection | DOAJ |
| description | This paper presents a novel structure for designing a dual-band (DB) rectifier with high efficiency and compact size for wireless power transfer. The proposed circuit employs a simple dual band-stop network cascaded by only two transmission lines (TLINs) which can yield open-circuit termination simultaneously for the second harmonics of both two separate frequency bands, enabling an efficient DB power recycling mechanism with minimum insertion loss for power conversion efficiency (PCE) enhancement. The closed-form formulas are derived to extract the TLIN parameters with a low complexity. A rectifier based on a Schottky diode model BAT15-03W is simulated and measured for verification at two target operating frequencies of 0.915 GHz and 2.45 GHz. The measured results show peak PCE of 79.2% and 77.8% observed at 0.9 GHz and 2.36 GHz, respectively. Moreover, wide dynamic range for PCE>50% is equally recorded at both two frequencies with 17.5 dB. Also, the proposed rectifier exhibits a small electrical size of <inline-formula> <tex-math notation="LaTeX">$0.102\lambda \times 0.105\lambda $ </tex-math></inline-formula>, indicating advantages in terms of high PCE and compactness, as compared to the other similar designs. |
| format | Article |
| id | doaj-art-cb9babe950ae4d12863f837255f2ea6c |
| institution | DOAJ |
| issn | 2169-3536 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj-art-cb9babe950ae4d12863f837255f2ea6c2025-08-20T02:55:49ZengIEEEIEEE Access2169-35362025-01-0113432184322310.1109/ACCESS.2024.338271810483010Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power TransferDang-An Nguyen0https://orcid.org/0000-0003-3389-8892Yujin Choi1Chulhun Seo2https://orcid.org/0000-0002-6765-8734Department of Information and Communication Convergence, Soongsil University, Seoul, South KoreaDepartment of Information and Communication Convergence, Soongsil University, Seoul, South KoreaDepartment of Information and Communication Convergence, Soongsil University, Seoul, South KoreaThis paper presents a novel structure for designing a dual-band (DB) rectifier with high efficiency and compact size for wireless power transfer. The proposed circuit employs a simple dual band-stop network cascaded by only two transmission lines (TLINs) which can yield open-circuit termination simultaneously for the second harmonics of both two separate frequency bands, enabling an efficient DB power recycling mechanism with minimum insertion loss for power conversion efficiency (PCE) enhancement. The closed-form formulas are derived to extract the TLIN parameters with a low complexity. A rectifier based on a Schottky diode model BAT15-03W is simulated and measured for verification at two target operating frequencies of 0.915 GHz and 2.45 GHz. The measured results show peak PCE of 79.2% and 77.8% observed at 0.9 GHz and 2.36 GHz, respectively. Moreover, wide dynamic range for PCE>50% is equally recorded at both two frequencies with 17.5 dB. Also, the proposed rectifier exhibits a small electrical size of <inline-formula> <tex-math notation="LaTeX">$0.102\lambda \times 0.105\lambda $ </tex-math></inline-formula>, indicating advantages in terms of high PCE and compactness, as compared to the other similar designs.https://ieeexplore.ieee.org/document/10483010/Wireless power transferDB rectifierspower recyclingharmonic suppressionband-stop networksDB impedance matching |
| spellingShingle | Dang-An Nguyen Yujin Choi Chulhun Seo Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power Transfer IEEE Access Wireless power transfer DB rectifiers power recycling harmonic suppression band-stop networks DB impedance matching |
| title | Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power Transfer |
| title_full | Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power Transfer |
| title_fullStr | Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power Transfer |
| title_full_unstemmed | Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power Transfer |
| title_short | Dual-Band Rectifier Design With High Efficiency Using Simple Dual Band-Stop Network for Wireless Power Transfer |
| title_sort | dual band rectifier design with high efficiency using simple dual band stop network for wireless power transfer |
| topic | Wireless power transfer DB rectifiers power recycling harmonic suppression band-stop networks DB impedance matching |
| url | https://ieeexplore.ieee.org/document/10483010/ |
| work_keys_str_mv | AT dangannguyen dualbandrectifierdesignwithhighefficiencyusingsimpledualbandstopnetworkforwirelesspowertransfer AT yujinchoi dualbandrectifierdesignwithhighefficiencyusingsimpledualbandstopnetworkforwirelesspowertransfer AT chulhunseo dualbandrectifierdesignwithhighefficiencyusingsimpledualbandstopnetworkforwirelesspowertransfer |