Specialty Fabrics Review January 2022 - 14

[ BRIEFS ] swatches
Sun-powered textiles
R
In this prototype jacket
from the Sun-Powered
Textile Project a " porous "
textile is laminated to
commercially available
solar cells, The energyautonomous
product
can generate its own
energy by using light as a
renewable energy source.
In addition to sunlight, it
can also generate energy
from artificial light.
Photos: Anne Kinnunen.
esearchers at Aalto University in Espoo, Finland, have
created The Sun-Powered Textiles project. Because textiles
can be purposely woven to let sunlight pass through them,
the " porous " textile is laminated to commercially available solar
cells, hiding the solar cells from view. The combination of the
two can generate energy. This eliminates the need for battery
charging or replacement in wearables. The energy-autonomous
product can generate its own energy by using light as a renewable
energy source. In addition to sunlight, it can also generate energy
from artificial light.
The commercially available photoelectric cells are made of
monocrystalline silicon, while larger flexible cells are made of
amorphous silicon. The rigid crystalline silicon cells have higher
efficiency and are especially suitable for outdoor use. On the
other hand, the flexible amorphous silicon cells work better
than the crystalline silicon cells in weak light, such as indoors.
Being thinner and flexible, they can therefore be installed, for
example, on a jacket with a larger surface area without the
jacket being uncomfortable to wear. In tests, the cells endured
50 washes in a washing machine with no damage.
The working jacket prototype cannot yet generate enough
electricity to power a cellphone but can easily power a
temperature and humidity sensor built into the fabric.
The textile-cell energy harvesting module can be widely
applied toward smart textiles and wearable technology
solutions, such as occupational and professional wear,
sportswear, well-being and fashion.
14 SPECIALTY FABRICS REVIEW / January 2022

Specialty Fabrics Review January 2022

Table of Contents for the Digital Edition of Specialty Fabrics Review January 2022

Specialty Fabrics Review January 2022 - Cover1
Specialty Fabrics Review January 2022 - Cover2
Specialty Fabrics Review January 2022 - 1
Specialty Fabrics Review January 2022 - 2
Specialty Fabrics Review January 2022 - 3
Specialty Fabrics Review January 2022 - 4
Specialty Fabrics Review January 2022 - 5
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Specialty Fabrics Review January 2022 - Cover3
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