transparent battery

8/6/2019 Transparent Battery

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Transparent BatteryTransparent Battery(New Technology)(New Technology)

Stanford researchers have invented a transparentStanford researchers have invented a transparent

lithiumlithium--ion battery that is also highly flexible. It ision battery that is also highly flexible. It iscomparablecomparable in cost to regular batteries onin cost to regular batteries onthethe marketmarkettoday, with great potential for applications intoday, with great potential for applications in

consumer electronics.consumer electronics.


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Transparent Battery 101Transparent Battery 101

lithiumlithium--ion batterythatisalsohighly flexibleion batterythatisalsohighly flexible 10 watt10 watt--hours perlitre isthe batteryshours perlitre isthe batterys

energy densityenergy density comparable incosttoregular batteriescomparable incosttoregular batteries

canprovide powerdevices,mobile phones,canprovide powerdevices,mobile phones,tabletsand LEDtabletsand LED polydimethylsiloxane (PDMS)polydimethylsiloxane (PDMS) already beingusedinplasticsurgeryandalready beingusedinplasticsurgeryandcontactlenses butitisnotconductivecontactlenses butitisnotconductive

reducingthe size ofthe electrodes,theyhavereducingthe size ofthe electrodes,theyhavemade theminvisible tothe naked eyemade theminvisible tothe naked eye

prototype isonlyhalfaspowerfulasprototype isonlyhalfaspowerfulasstandardlistandardli--ion batteriesofthe same size.ion batteriesofthe same size.


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Properties of the Transparent BatteryProperties of the Transparent Battery

The transparentlithiumThe transparentlithium--ion batteryision batteryis

made upofpolydimethylsiloxane whichmade upofpolydimethylsiloxane whichisslightlyrubberycompound,andthisisslightlyrubberycompound,andthiscompoundisthe one thatcausesthecompoundisthe one thatcausesthe

transparencyofthe battery.transparencyofthe battery.


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Properties (Cont.)Properties (Cont.)

ELECTRICALELECTRICAL

ThistransparentlithiumThistransparentlithium--ion batteryion battery

isasemiisasemi--conductormaterialsince theconductormaterialsince therubberypolydimethylsiloxanerubberypolydimethylsiloxanecompoundmakingupthecompoundmakingupthe

transparencyofthe batteryislowintransparencyofthe batteryislowinconductivity.conductivity.


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MECHANICALMECHANICAL

The transparent batteryhasmanyThe transparent batteryhasmanymechanicalpropertiessince itismechanicalpropertiessince itis

composedofdifferentmaterialscomposedofdifferentmaterialsinside.inside.

1. The polydimethysiloxane1. The polydimethysiloxane

--Thismaterialcan be consideredThismaterialcan be consideredunderthe polymerssince ithasaunderthe polymerssince ithasarubbery,plasticlike characteristic.rubbery,plasticlike characteristic.


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2. The Lithium2. The Lithium--ioncomponentandioncomponentandSiliconSilicon

--The LithiumThe Lithium--ioncomponent,whichioncomponent,whichisalsomade upofgraphite andisalsomade upofgraphite andnickelatemetalsaswellassiliconalsonickelatemetalsaswellassiliconalso

possessthe mechanicalpropertiesofpossessthe mechanicalpropertiesofmetals.metals.


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OPTICALOPTICAL

Itisveryclearfromthe name itselfItisveryclearfromthe name itselfthatthisinnovated batteryisathatthisinnovated batteryisa

transparentone. Ifsomethingistransparentone. Ifsomethingissmallerthan 50smallerthan 50--100 microns,the eyes100 microns,the eyeswillfeelwhatitisseeingiswillfeelwhatitisseeingistransparent.transparent.

((http://www.physorg.com/news/2011http://www.physorg.com/news/2011--0707--transparenttransparent--batteriesbatteries--straightstraight--futurefuture--video.htmlvideo.html))


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MAGNETICMAGNETIC

-- The transparent batteryismoreThe transparent batteryismore

likelyaferrimagneticmaterial.likelyaferrimagneticmaterial.

-- IthasalsorelativelyhighmagneticIthasalsorelativelyhighmagneticpermeability.permeability.


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THERMALTHERMAL

Since one ofthemaincomponentsofSince one ofthemaincomponentsof

the transparent batteryisthethe transparent batteryisthePolydimethylsiloxane (PDMS) isaPolydimethylsiloxane (PDMS) isathermoplasticunderthe polymerthermoplasticunderthe polymer

classificationofmaterials,this batteryclassificationofmaterials,this batteryisconsideredhavingalowisconsideredhavingalow--thermalthermalresistance.resistance.


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Product DevelopmentProduct Development

The proposaldate ofthe inventionisnotThe proposaldate ofthe inventionisnotindicated.indicated.

In February20,2011,the proposalwasIn February20,2011,the proposalwaspassedtoTobin J. Marksforreview.passedtoTobin J. Marksforreview.

The proposalwasapprovedin June 20,2011.The proposalwasapprovedin June 20,2011.

The article aboutthe Transparent BatteryisThe article aboutthe Transparent Batteryispublishedin July25,2011 at Proceedingsofpublishedin July25,2011 at Proceedingsof

the National Academyof Sciences.the National Academyof Sciences. The StanfordteamthinksthatintwotofourThe Stanfordteamthinksthatintwotofouryearsitcan be commercialized.yearsitcan be commercialized.


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Possible ApplicationsPossible Applications

It can be a new entry for transparentIt can be a new entry for transparentgadgetsgadgets

It can make the devices, smaller, lighter andIt can make the devices, smaller, lighter andcompactcompact

When more batteries are being stackedWhen more batteries are being stacked

together, it stores more energytogether, it stores more energy


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Positive EffectsPositive Effects

The device isflexible due toitsgelThe device isflexible due toitsgelcomponent,andso,itcanhavemorecomponent,andso,itcanhavemorepotentialapplicationsorusesunlike currentpotentialapplicationsorusesunlike currentbatteriesforsale inthemarket.batteriesforsale inthemarket.

The device canaidgadgetsinthe aestheticThe device canaidgadgetsinthe aestheticpointofview. Since conventional batteriespointofview. Since conventional batteriesusuallymake acertaingadgetlook bulky,theusuallymake acertaingadgetlook bulky,thetransparencyofthis batterycanmaketransparencyofthis batterycanmakegadgetslookmore presentable.gadgetslookmore presentable.

Energysource froma batterywould becomeEnergysource froma batterywould becomemore portable because ofitsthindesign.more portable because ofitsthindesign.


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Negative EffectsNegative Effects

Conventional batteriesalreadyaccompanychokingConventional batteriesalreadyaccompanychokinghazardsforsmallchildren,whatmore if batterieshazardsforsmallchildren,whatmore if batteriesbecome transparent?Itwouldnot be easilybecome transparent?Itwouldnot be easilydistinguished bychildrenasa battery,andsince itisdistinguished bychildrenasa battery,andsince itispartlymade ofgel,childrenwould be attractedtopartlymade ofgel,childrenwould be attractedto

place itintheirmouthleadingtomore chokingplace itintheirmouthleadingtomore chokinghazards.hazards.

Since the newlyinvented batteryistransparent,aSince the newlyinvented batteryistransparent,aslightdamage inone ormore ofitscomponentsslightdamage inone ormore ofitscomponentscannot be easilydistinguishedanditcanleadtocannot be easilydistinguishedanditcanleadto

greaterharm.greaterharm. The componentscannot be easilysegregatedorThe componentscannot be easilysegregatedorseparatedfrom eachother because itwasmade toseparatedfrom eachother because itwasmade tobe transparent. Thiswouldleadtoanotherproblembe transparent. Thiswouldleadtoanotherproblemintermsoftrash.intermsoftrash.

transparent battery

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