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Fabrication techniques for manufacturing flexible coils on textiles for inductive power transfer

Fabrication techniques for manufacturing flexible coils on textiles for inductive power transfer
Fabrication techniques for manufacturing flexible coils on textiles for inductive power transfer
This paper presents a comprehensive evaluation of fabrication techniques for the integration of coils into textiles, for the purpose of enabling low power wireless power transfer; for example, the powering of on-body monitoring devices such as heart-rate monitors. Key electrical parameters of the coils required to maximize power transfer efficiency are identified from theory. Flexible coils have been fabricated using standard processes widely used in the textile industry, such as screen printing and embroidery. The screen printed coils were fabricated with a silver-polymer ink on a printed interface layer, the embroidered coils were fabricated using a variety of conductive threads formed by coating textile fibers and through the use of copper fibers. These coils have been experimentally characterized and evaluated for use in wireless power transfer applications. The effects of coil geometry and separation on the DC-DC power transfer efficiency using Qi standard compliant driver and receiver circuits are reported.
1530-437X
1-8
Grabham, Neil J.
00695728-6280-4d06-a943-29142f2547c9
Li, Yi
5c22f4d6-a339-4b3d-a43e-7c55eaf304a7
Clare, Lindsay R.
978b29cc-299e-4b0a-a93e-b82d2238d901
Stark, Bernard H.
e79fd494-4066-44ca-a158-39552991e932
Beeby, Stephen P.
ba565001-2812-4300-89f1-fe5a437ecb0d
Grabham, Neil J.
00695728-6280-4d06-a943-29142f2547c9
Li, Yi
5c22f4d6-a339-4b3d-a43e-7c55eaf304a7
Clare, Lindsay R.
978b29cc-299e-4b0a-a93e-b82d2238d901
Stark, Bernard H.
e79fd494-4066-44ca-a158-39552991e932
Beeby, Stephen P.
ba565001-2812-4300-89f1-fe5a437ecb0d

Grabham, Neil J., Li, Yi, Clare, Lindsay R., Stark, Bernard H. and Beeby, Stephen P. (2018) Fabrication techniques for manufacturing flexible coils on textiles for inductive power transfer IEEE Sensors Journal, pp. 1-8. (doi:10.1109/JSEN.2018.2796138).

Record type: Article

Abstract

This paper presents a comprehensive evaluation of fabrication techniques for the integration of coils into textiles, for the purpose of enabling low power wireless power transfer; for example, the powering of on-body monitoring devices such as heart-rate monitors. Key electrical parameters of the coils required to maximize power transfer efficiency are identified from theory. Flexible coils have been fabricated using standard processes widely used in the textile industry, such as screen printing and embroidery. The screen printed coils were fabricated with a silver-polymer ink on a printed interface layer, the embroidered coils were fabricated using a variety of conductive threads formed by coating textile fibers and through the use of copper fibers. These coils have been experimentally characterized and evaluated for use in wireless power transfer applications. The effects of coil geometry and separation on the DC-DC power transfer efficiency using Qi standard compliant driver and receiver circuits are reported.

Text Fabrication Techniques for Manufacturing Flexible Coils on Textiles for Inductive Power Transfer - Accepted Manuscript
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Accepted/In Press date: 31 July 2015
e-pub ahead of print date: 23 January 2018

Identifiers

Local EPrints ID: 417367
URI: https://eprints.soton.ac.uk/id/eprint/417367
ISSN: 1530-437X
PURE UUID: d12bb42d-a6d6-42b1-aa8e-741c3876a75d
ORCID for Neil J. Grabham: ORCID iD orcid.org/0000-0002-6385-0331
ORCID for Stephen P. Beeby: ORCID iD orcid.org/0000-0002-0800-1759

Catalogue record

Date deposited: 30 Jan 2018 17:30
Last modified: 05 Feb 2018 17:30

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Contributors

Author: Neil J. Grabham ORCID iD
Author: Yi Li
Author: Lindsay R. Clare
Author: Bernard H. Stark
Author: Stephen P. Beeby ORCID iD

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