final seminar slide
TRANSCRIPT
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PAPER BATTERYPAPER BATTERYPAPER BATTERYPAPER BATTERY
KIRAN VKIRAN V
[3GN07MEO46][3GN07MEO46]
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ACKNOWLEDGEMENT
I would like to express my deep sense of gratitude to ourprincipal Dr. V.D.MYTRI, GURU NANAK DEV ENGINEERINGCOLLEGE, BIDAR for his aspiration and for creating and
inspiring atmosphere in the college by providing state of artfacilities for preparation and delivery of seminar.
My sincere thanks to Dr. D CHOUDHARY, Head of the Dept.Mechanical Engineering for his whole hearted support in
completion of this seminar.
I am highly indebted to my seminar coordinator Prof. B.K.Purohit and my seminar guide Prof.SHIVSHANKAR .B.C forguiding and giving timely advices and suggestions in the
successful completion of this seminar.
Finally I thank my parents and all my friends who have directlyor indirectly, helped me in this seminar
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CONTENTS: INTRODUCTION TO PAPER BATTERIES
FABRICATION OF PAPER BATTERY
ADVANTAGES
LIMITATIONS
APPLICATIONS
CONCLUSION
REFERENCES
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INTRODUCTION TO PAPERINTRODUCTION TO PAPER
BATTERIESBATTERIES
The anatomy of paper battery is based on theThe anatomy of paper battery is based on theuse of Carbon Nanotubes tiny cylinders touse of Carbon Nanotubes tiny cylinders to
collect electric charge. The paper is dipped incollect electric charge. The paper is dipped in
lithium containing solution. The nanotubeslithium containing solution. The nanotubeswill act as electrodes allowing storage devicewill act as electrodes allowing storage deviceto conduct electricity. Its astounding to knowto conduct electricity. Its astounding to know
that all the components of a conventionalthat all the components of a conventionalbattery are integrated in a single paperbattery are integrated in a single paper
structure; hence the complete mechanism forstructure; hence the complete mechanism fora battery is minimized to a size of paper.a battery is minimized to a size of paper.
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THE MATERIALS REQUIRED FOR THE PREPARATION THETHE MATERIALS REQUIRED FOR THE PREPARATION THE
BATTERY ARE:BATTERY ARE:
yy Copier paperCopier paper
yy Carbon nano inkCarbon nano ink
yy OvenOven
FABRICATION OF PAPERFABRICATION OF PAPER
BATTERYBATTERY
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The steps involved in the preparation of the paper battery areThe steps involved in the preparation of the paper battery areas followsas follows
Step 1:Step 1:
The copier paper is taken.The copier paper is taken.
Step 2:Step 2:
carbon Nano ink which is black in color is taken. Carboncarbon Nano ink which is black in color is taken. Carbonnanonano ink is a solution ofink is a solution of nanonano rods, surface adhesive agentrods, surface adhesive agent
and ionic salt solutions. Carbonand ionic salt solutions. Carbon nanonano ink is spread on oneink is spread on oneside of the paper.side of the paper.
Step 3:Step 3:
the paper is kept inside the oven at 150C temperature. Thisthe paper is kept inside the oven at 150C temperature. This
evaporates the water content on the paper. The paper and theevaporates the water content on the paper. The paper and thenanonano rods get attached to each other.rods get attached to each other.
Step 4:Step 4:
place the multi meter on the sides of the paper and we canplace the multi meter on the sides of the paper and we cansee voltage drop is generated.see voltage drop is generated.
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After drying the paper becomes flexible, lightAfter drying the paper becomes flexible, lightweight in nature. The paper is scratched andweight in nature. The paper is scratched and
rolled to protect the nano rods on paper.rolled to protect the nano rods on paper.
FIG. FABRICATION
PROCESS
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WORKING OF
PAPER BATTERY
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The devices are formed by combining cellulose
with an infusion of aligned carbon nanotubes.The carbon is what gives the batteries their black
color.
The battery produces electricity in thesame way as the conventional
lithium-ion batteries that power somany of today's gadgets, but all thecomponents have been incorporatedinto a lightweight, flexible sheet of
paper.
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These tiny filaments act like theelectrodes found in a traditionalbattery, conducting electricity when
the paper comes into contact with anionic liquid solution.
Ionic liquids contain no water, whichmeans that there is nothing to freeze
The paper is made conducting material by dipping in ink.The paper works as a conductive layer. Two sheets ofpaper kept facing inward act like parallel plates (highenergy electrodes). It can store energy like a supercapacitor and it can discharge bursts of energy because oflarge surface area of nano tubes.
or evaporate in extreme environmental conditions. As a result,paper batteries can function between -75 and 1500C.
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Chlorineions flow from the positiveelectrode to thenegativeone,while
electrons travel through theexternalcircuit, providingcurrent. The paperelectrodestoreschargewhilerechargingin tensofsecondsbecauseions flow through the thin
electrode quickly. Incontrast,lithium batteries take20minutes torecharge.
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Fig. working of a
paper battery
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The flexible shape allows the paper battery to be
used small or irregularly-shaped electronics: One of the unique features of the paper battery is
that it can be bent to any such shape or design thatthe user might have in mind. The battery can easily
squeeze into tight crevasses and can be cut multipletimes without ruining the battery's life. For exampleif a battery is cut in half, each piece will function,however, each piece will only contain 1/2 theamount of original power. Conversely, placing twosheets of paper battery on top of one-another willdouble the power.
ADVANTAGES
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The paper battery may replace conventional batteries
completely: By layering sheets of this paper, the battery's voltage
and current can be increased that many times. Sincethe main components of the paper battery are carbonnanotubes and cellulose, the body structure of the
battery is very thin, "paper-thin". Thus to maximizeeven more power, the sheets of battery paper can bestacked on top of one another to give off tremendouspower. This can allow the battery to have a muchhigher amount of power for the same size of storage
as a current battery and also be environmentallyfriendly at the same time.
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Presently, the devices are only a fewPresently, the devices are only a fewinches across and they have to be scaledinches across and they have to be scaledup to sheets of newspaper size to make itup to sheets of newspaper size to make it
commercially viable.commercially viable. Carbon nanotubes are very expensive,Carbon nanotubes are very expensive,
and batteries with large enough power areand batteries with large enough power areunlikely to be cost effective.unlikely to be cost effective.
Cutting of trees leading to destroying ofCutting of trees leading to destroying ofthe nature.the nature.
LIMITATIONSLIMITATIONS
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APLICATIONSAPLICATIONS
Pace makers in heartPace makers in heart(uses blood as electrolyte)(uses blood as electrolyte)
Used as alternate toUsed as alternate to
conventional batteries inconventional batteries ingadgetsgadgets
Powered smart cards RFPowered smart cards RFid tagsid tags
Smart toys, children soundSmart toys, children soundbooksbooks
EE--cards, greetings, talkingcards, greetings, talkingpostersposters
Girls/boys apparelGirls/boys apparel
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CONCLUSION
We have discussed the various terminologies, principle ofoperation of a battery and recent developments related toit. The life of a battery is an important parameter whichdecides the area of application of the battery. Increased
use of batteries gives rise to E-waste which poses greatdamage to our environment.
In the year 2007 paper battery was manufactured. Thetechnology is capable of replacing old bulky batteries.The paper batteries can further reduce the weight of theelectronic gadgets.
The adaptations to the paper battery technique in the future couldallow for simply painting the nanotube ink and active materialsonto surfaces such as walls. These surfaces can produce energy
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REFERENCESREFERENCES
Thin, Flexible Secondary LiThin, Flexible Secondary Li--IonIonPaper Batteries Liangbing Hu,Paper Batteries Liangbing Hu,HuiWu, Fabio La Mantia,HuiWu, Fabio La Mantia,
Yuan Yang, and Yi CuiYuan Yang, and Yi Cui Department of MaterialsDepartment of Materials
Science and Engineering,Science and Engineering,Stanford University, Stanford,Stanford University, Stanford,
California 94305.California 94305. David Linden Handbook ofDavid Linden Handbook of
batteriesbatteries
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THANKTHANKYOUYOU