Washable textile embedded solar cells for self-powered wearables

Elina Ilén*, Farid Elsehrawy, Elina Palovuori, Janne Halme

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

4 Sitaatiot (Scopus)
64 Lataukset (Pure)

Abstrakti

Purpose: Solar cells could make textile-based wearable systems energy independent without the need for battery replacement or recharging; however, their laundry resistance, which is prerequisite for the product acceptance of e-textiles, has been rarely examined. This paper aims to report a systematic study of the laundry durability of solar cells embedded in textiles. Design/methodology/approach: This research included small commercial monocrystalline silicon solar cells which were encapsulated with functional synthetic textile materials using an industrially relevant textile lamination process and found them to reliably endure laundry washing (ISO 6330:2012). The energy harvesting capability of eight textile laminated solar cells was measured after 10–50 cycles of laundry at 40 °C and compared with light transmittance spectroscopy and visual inspection. Findings: Five of the eight textile solar cell samples fully maintained their efficiency over the 50 laundry cycles, whereas the other three showed a 20%–27% decrease. The cells did not cause any visual damage to the fabric. The result indicates that the textile encapsulated solar cell module provides sufficient protection for the solar cells against water, washing agents and mechanical stress to endure repetitive domestic laundry. Research limitations/implications: This study used rigid monocrystalline silicon solar cells. Flexible amorphous silicon cells were excluded because of low durability in preliminary tests. Other types of solar cells were not tested. Originality/value: A review of literature reveals the tendency of researchers to avoid standardized textile washing resistance testing. This study removes the most critical obstacle of textile integrated solar energy harvesting, the washing resistance.

AlkuperäiskieliEnglanti
Sivut133-151
Sivumäärä19
JulkaisuResearch Journal of Textile and Apparel
Vuosikerta28
Numero1
Varhainen verkossa julkaisun päivämäärä27 huhtik. 2022
DOI - pysyväislinkit
TilaJulkaistu - 18 tammik. 2024
OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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  • SunPowTex: Sun-powered Textiles

    Halme, J. & Elsehrawy, F.

    01/06/201930/06/2022

    Projekti: Business Finland: Other research funding

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