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A Comparative Study Between Novel Witricity and Traditional Inductive Magnetic Coupling in Wireless Charging
Abstract
A non-radiative energy transformer, commonly referred as Witricity and based on `strong coupling' between two coils which are separated physically by medium-range distances, is proposed to realize efficient wireless energy transfer. The distance between the resonators can be larger than the characteristic sizes of each resonator. Non-radiative energy transfer between the first resonator and the second resonator is facilitated through the coupling of their resonant-field evanescent tails. The proposed system operates as traditional inductive magnetic coupling devices when the operating frequencies are not the resonant frequency. Corresponding finite element analysis (FEA) and experiments have been carried out to facilitate quantitative comparison. Compared with typical magnetic inductive coupling energy transmission devices, the efficiency of the proposed system is much higher. This investigation indicates that it is feasible to use wireless energy transfer technology to recharge batteries, particularly in implant devices.
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Cited by
Simultaneous Wireless Information and Power Transfer (SWIPT): Recent Advances and Future Challenges
Ponnimbaduge Perera, T. D., Jayakody, D. N. K., Sharma, S. K., Chatzinotas, S., & Li, J. (2018) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2017.2783901 · Cited by 920
Beh, T. C., Kato, M., Imura, T., Oh, S., & Hori, Y. (2013) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2012.2206337 · Cited by 502
An Adaptive Impedance-Matching Network Based on a Novel Capacitor Matrix for Wireless Power Transfer
Lim, Y., Tang, H., Lim, S., & Park, J. (2014) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2013.2292596 · Cited by 484
Wireless and battery-free technologies for neuroengineering
Won, S. M., Cai, L., Gutruf, P., & Rogers, J. A. (2021) · Nature Biomedical Engineering · doi:10.1038/s41551-021-00683-3 · Cited by 360
Wireless power transfer techniques for implantable medical devices: a review
Khan, S. R., Pavuluri, S. K., Cummins, G., & Desmulliez, M. P. Y. (2020) · Sensors · doi:10.3390/s20123487 · Cited by 355
“Furthermore, non-radiative techniques include inductive coupling, which includes witricity [14], magnetic resonance coupling [15] and capacitive coupling [16].”
Method
Metadata
- Authors
- Ho, S. L., Wang, J., Fu, W. N., & Sun, M.
- Venue
- IEEE Transactions on Magnetics
- Published
- 2011-05
- Volume
- 47
- Issue
- 5
- Pages
- 1522-1525
- ISSN
- 0018-9464 (ISSN-L)
- 1941-0069
- OpenAlex
- W2128871693
- Cited by
- 204
- References
- 0
- FWCI
- 7.80
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ho, S. L., Wang, J., Fu, W. N., & Sun, M. (2011). A Comparative Study Between Novel Witricity and Traditional Inductive Magnetic Coupling in Wireless Charging. IEEE Transactions on Magnetics. https://doi.org/10.1109/tmag.2010.2091495
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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