July 13, 2021
This stored energy is enough to glow a white
By utilising tiny channels, or the so-called nanochannels, in the
cellulose-based fabric network, electrical power generation is made, through
guided movement of saline water amidst continuous evaporation, very much like
water transport across the parts of a living plant.The researchers have also
demonstrated up-scaling of this entire process by using a large number of
(around 50 in number, with a surface area of 3,000 square metre) clothes being
dried in tandem by washermen in a remote village.. This stored energy is enough
to glow a white LED for more than 1 hour, they said. In this case the regular
cellulose-based wearable textile acts as a wall to develop voltage. The point,
Prof Chakra-borty says, is that as compared to existing methods of energy
harvesting from complex resources, the electricity generation occurs in natural
ambience.The whole process, or mechanism, is actually simple yet unique. The
electricity generation can be up-scaled by systematically drying a set of
regular garments under the sun-light. If saline water, or similar water-based
solution, is passed through the wall, it creates voltage through capillary
action.
That voltage is then stored.Kolkata: Now you can generate electricity
from drying clothes and that too in a natural ambience, if researchers at Indian
Institute of Technology Kharagpur (IIT-KGP) are to be believed. This, IIT KGP
researchers believe, can turn into a source of low-cost power in extreme rural
settings."The regular cellulose-based wearable textile, in this case, acts as a
medium for the motion of salt ions through the interlace fibrous nano-scale
network by capillary action, inducing an electric potential in the process",
said Prof Suman Chakraborty from the Mechanical Engineer-ing Department, who is
also a lead researcher of the group. Connected to a commercial super-capacitor,
in the process, the researchers were able to reliably charge up to around 10
Volt in almost 24 hours. Their device design inherently exploits a large
transpiration surface for achieving a sustainable motion of salt ions, through
natural evaporation phenomenon. That’s not all. The wall of any channel has some China
Blue custom Polyester stretch Fabric charges inbuilt in it
Posted by: stretchb at
03:46 AM
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