Paper Battery


Life Of Battery

Even if never taken out of the original package, disposable (or "primary") batteries can lose 8 to 20 percent of their original charge every year at a temperature of about 20°–30°C. [54] This is known as the "self-discharge" rate and is due to non-current-producing "side" chemical reactions, which occur within the cell even if no load is applied to it. The rate of the side reactions is reduced if the batteries are stored at low temperature, although some batteries can be damaged by freezing. High or low temperatures may reduce battery performance. This will affect the initial voltage of the battery. For an AA alkaline battery this initial voltage is approximately normally distributed around 1.6 volts.

Paper Battery

Energy has always been spotlighted. In the past few years a lot of inventions have been made in this particular field. The tiny nuclear batteries that can provide energy for 10 years, but they use radioactive elements and are quite expensive. Few years back some researchers from Stanford University started experiments concerning the ways in which a copier paper could be used as a battery source. After a long way of struggle they, recently, concluded that the idea was right. The batteries made from a plain copier paper could make for the future energy storage that is truly thin.


    You can fold it in different shapes and forms plus it as light as feather. Output voltage is modest but it could be increased if we use a stack of papers. Hence the voltage issues can be easily controlled without difficulty. Usage of paper as a battery will ultimately lead to weight diminution of batteries many times as compared to traditional batteries.

Properties of Carbon Nanotubes

• Ratio of Width: Length: 1:107

• High tensile Strength (Greater than Steel).

• Low Mass density & High Packing Density.

• Very Light and Very Flexible.

• Very Good Electrical Conductivity (better than Silicon).

Abstract

        The Batteries form a significant part of many electronic devices. Typical electrochemical batteries or cells convert chemical energy into electrical energy. Batteries based on the charging ability are classified into primary and secondary cells. Secondary cells are widely used because of their rechargeable nature. Presently, battery takes up a huge amount of space and contributes to a large part of the device's weight. There is strong recent interest in ultrathin, flexible, safe energy storage devices to meet the various design and power needs of modern gadgets. New research suggests that carbon nanotubes may eventually provide the best hope of implementing the flexible batteries which can shrink our gadgets even more.

Carbon Nanotubes

Carbon nanotubes (CNTs) are allotropes of carbon with a cylindrical nanostructure. Nanotubes have been constructed with length-to-diameter ratio of up to 132,000,000:1, significantly larger than any other material. These cylindrical carbon molecules have novel properties, making them potentially useful in many applications in nanotechnology, electronics, optics, and other fields of materials science, as well as potential uses in architectural fields. They may also have applications in the construction of body armor. They exhibit extraordinary strength and unique electrical properties, and are efficient thermal conductors.

Conclusion

                            One of the major problems bugging the world now is Energy crisis. Every nation needs energy and everyone needs power. And this problem which disturbs the developed countries perturbs the developing countries like India to a much greater extent. Standing at a point in the present where there can’t be a day without power, Paper Batteries can provide an altogether path-breaking solution to the same.


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