Lithium ion battery 1800mah 2000mah 2200mah Battery Pack Lithium Battery 7.4V For Cash Machine

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Lithium ion battery 1800mah 2000mah 2200mah Battery Pack Lithium Battery 7.4V For Cash Machine

Lithium ion battery 1800mah 2000mah 2200mah Battery Pack Lithium Battery 7.4V For Cash Machine

Lithium ion battery 1800mah 2000mah 2200mah Battery Pack Lithium Battery 7.4V For Cash Machine

Product Name
Factory price li ion ICR18650 battery 2000mAh 2200mAh 7.4V battery pack lithium battery for Cash Machine
Model
  ICR18650 1800mAh 2000mAh 2200mah 7.4V
Capacity Available
1800mAh 2000mah 2200mah 2600mah 3000mah
Voltage
7.4V
Chemical System
Lithium ion battery
Cycle Life
More than 1000 times
Jacket
PVC
Certifications
CE ROHS SGS MSDS
Package
Industry Packing
Cables
16#,18#,20#, etc.

It’s estimated that as much as two-thirds of energy consumed in the U.S. each year is wasted as heat. Take for example, car engines, laptop computers, cell phones, even refrigerators, that heat up with overuse.

Imagine if you could capture the heat they generate and turn it into more energy.

University of Utah mechanical engineering associate professor Mathieu Francoeur has discovered a way to produce more electricity from heat than thought possible by creating a silicon chip, also known as a “device,” that converts more thermal radiation into electricity. His findings were published in the paper, A Near-Field Radiative Heat Transfer Device, in the newest issue of Nature Nanotechnology.

Researchers have previously determined that there is a theoretical “blackbody limit” to how much energy can be produced from thermal radiation (heat). But Francoeur and his team have demonstrated that they can go well beyond the blackbody limit and produce more energy if they create a device that uses two silicon surfaces very close together. The team produced a 5mm-by-5mm chip (about the size of an eraser head) of two silicon wafers with a nanoscopic gap between them only 100 nanometers thick, or a thousandth the thickness of a human hair. While the chip was in a vacuum, they heated one surface and cooled another surface, which created a heat flux that can generate electricity. The concept of creating energy in this manner is not unique, but Francoeur and his team have discovered a way to fit the two silicon surfaces uniformly close together at a microscopic scale without touching each other. The closer they are to each other, the more electricity they can generate.

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