افشین رشید
اُستادیار ؛ عضو هیات علمی دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران
492 یادداشت منتشر شدهString nano supercapacitors (current storage by a string of copper nanowires)

Note: The nano supercapacitor string can both pass current and store energy. Copper wire and plastic nanoscale layers have been used to make this string. So far, cables and wires have been used to store electricity. But a string of light copper nanowires can store energy in addition to transmitting electricity.
Nanowires are just like regular electrical wires except for the fact that they are much smaller. Like normal wires, nanowires can be made from a variety of conductive and semi-conductive materials such as copper, silver, gold, iron, silicon, zinc oxide and germanium. Nanowires can also allow both current flow and energy storage in string nano supercapacitors to provide.

some of silver nano wiresare ballistic conductors . In normal conductors, electrons collide with atoms in the conductor material. This causes the electrons to slow down as they travel, creating heat as a byproduct. In ballistic conductors, electrons can pass through the conductor without collision. Silver nano wires can conduct electricity effectively without generating extreme heat. As the bulk volume is reduced to the size of the nanoparticle, its melting point is lowered, because when you reduce any particle to the nanoscale, there is a significant increase in the surface-to-volume ratio. In the manufacture and propagation of nanowires, an approach from top to bottom and A bottom-up approach. A top-down approach literally means you take a lot of the material you want to use for the nanowires and etch until you get the right size. A bottom-up approach is an assembly process in which smaller particles join to form a larger structure.

current versus voltage curves provide a means of classifying the charge storage mode. . Usually a (nano supercapacitor) is independent of the potential and therefore conducts the current independent of the potential. a>Considering a ratio of the areas under the discharge and charge curves, the energy efficiency of the device can be calculated - for a supercapacitor it should be close to 100%. curve is the specific capacitance. vsGraphically speaking, the area under the the capacity and normalize it with the mass or volume of the active substance. versusIt is necessary to integrate the cell voltage curve Used to describe devices that use pseudocapacitors to store capacitive energy. This performance shows that Faradaic electron transport plays a role in charge storage and sheds light on the properties of a particular device. (Nanosupercapacitor ) (nano supercapacitor)

Conclusion :
Nano string supercapacitor has the possibility of both current passing and energy storage. Copper wire and plastic nanoscale layers have been used to make this string. So far, cables and wires have been used to store electricity. But a string of light copper nanowires can store energy in addition to transmitting electricity.