5.paper battery ppt
TRANSCRIPT
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PAPER BATTERYT.RAJESHROLL NO :13751A04G6
V.BHANU PRAKASHROLL NO:13751A04H7
SREENIVASA INSTITUTE OF TECHNOLOGY AND MANAGEMENT STUDIES(AUTONOMOUS)
Affiliated to J.N.T.U.A, Ananthapur & NBA, NAAC AccreditedCHITTOOR-517127
POWERPOINT PRESENTATION ON
Dept of ECE
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A paper battery is a flexible, ultra-thin energy storage and production device formed by combining carbon nanotube with a conventional sheet of cellulose-based paper.
A paper battery acts as both a high-energy battery and super-capacitor , combining two components that are separate in traditional electronics .
WHAT IS A PAPER BATTERY?
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GENERAL Li-ION BATTERY
Generally Li-ion re-chargeable batteries are used in mobiles , laptops and most of the electronic devices.
During discharge and charging, lithium ions Li+ carry the current from the negative to the positive electrode and vice-versa respectively, through the non-aqueous electrolyte .
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Disadvantages of Li-Ion• EXPENSIVE
• WEIGHT & SIZE
• COST & CHARGE
• ENVIRONMENTAL HAZARDS
• LOW SPECIFIC POWER
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WHY TO USE PAPER BATTERY?Ultra-thin size & flexible structure.
Exhibits property of super-capacitor(22F-36F per gram)
Operating temper ature(-75 to 100 degree celsius)
provide both long-term, steady power production and bursts of energy.
Cost-effective.
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Carbon nanotube is the main concept behind paper battery
Carbon nanotubes (CNTs; also known as buckytubes) are allotropes of carbon with a cylindrical nanostructure.
CNTs exhibit extraordinary strength and unique electrical properties, and are efficient thermal conductors.
CARBON NANOTUBES
Spinning Carbon Nanotube
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Graphene structure Rolled at angle CARBON NANOTUBE
•Nanotubes are members of the fullerene structural family. The diameter of a nanotubes is on the order of a few nanometers and they are long, hollow structure with the walls formed by one-atom-thick sheets of carbon, called graphene. These sheets are rolled at specific and discrete angles, and the combination of the rolling angle and radius decides the nanotube properties
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CONSTRUCTION OF PAPER BATTERYTake a cellulose-based paper
and apply black carbon ink on it
Spread this ink on the paperAfter spreading ink,laminate a
thin film over the cellulose surface
Heat the cellulose paper for 5 min at 80 deg
Then , peeloff the film from the substrate
The electrodes of paper battery are formed by film.the electrodes LTO and LCO to different films
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STRUCTURE OF PAPER BATTERY
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WORKING Traditional Batteries produce electrons through a
chemical reaction between electrolyte and metal.
paper battery produces electrons due to the interaction of electrolytes LTO & LCO.
Electrons collect on the negative terminal of the battery and flow along a connected wire to the positive terminal during discharging.
Electrons must flow from the negative to the positive terminal for the chemical reaction to continue.
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• The flexible battery can function even if it is rolled up, folded or cut.
•We can get 2.5 volts of electricity from a sample the size of a postage stamp.
• Biodegradable & Non –toxic
•Reusable & Recyclable
•Easy moldable into desired shapes & Sizes
•Customizable output
•Durable & Rechargeable
ADVANTAGES
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APPLICATIONS
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Paper battery offers future power
The black piece of paper can power a small light.
Flexible paper batteries could meet the energy demands of
the next generation of gadgets.
The ambition is to produce reams of paper that could one day power a car.
The paper battery was a glimpse into the future of power storage.
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