Peltier element is also a thermoelectric module

A little bit of theory.
The single element of thethermoelectric module (TEM) isathermocoupleconsistingoftwodissimilarelementswithp-andn-typeconductivity.Theelementsareinterconnectedbymeansofaswitchingplatemadeofcopper.Semiconductorsbasedonbismuth,tellurium,antimonyandseleniumaretraditionallyusedasthematerialoftheelements.
Thermoelectricmodule(Peltierelement)isacollectionofthermocouples,electricallyconnected,asarule,inseries.Inastandardthermoelectricmodule,thermocouplesareplacedbetweentwoflatceramicplatesbasedonaluminumoxideornitride.Thenumberofthermocouplescanvarywidely-fromunitstohundredsofpairs,whichallowsyoutocreateTEMofalmostanycoolingcapacity-fromtenthstohundredswatt.Whenadirectelectriccurrentpassesthroughathermoelectricmodule,atemperaturedifferentialformsbetweenitssides-oneside(cold)coolsandtheother(hot)heats.IfonthehotsideofTEMtoensureeffectiveheatremoval,forexample,usingaradiator,thenonthecoldsideyoucangetthetemperature,whichwillbetensofdegreeslowerthantheambienttemperature.Thedegreeofcoolingwillbeproportionaltothecurrent.Whenchangingthepolarityofthecurrent,thehotandcoldsidesareswapped.Practice.Pelteelementsarewidelyusedincoolingsystems.Butnotmanypeopleknowabouttheirotherproperty-togenerateenergy.Thislaboratoryworkisdevotedtothestudyoftheseopportunities.&Nbsp;50*50mmelementmountedbetweentwoaluminumbars.Preliminary,theirsurfacesarepritertyandsmearedwithpasteKPT.Throughholesaredrilledinoneofthebarsthroughwhichthecoppertubeispassedforwatercooling.Here’swhathappened:  Weconnectwatertothecooler toonesideofthePeltierelement,andputtheotheronthe burner. Totheoutputoftheelementweconnectthe 10W6voltlightbulb.Theresult-ourgeneratorruns  ExperienceprovesthatPeltierelementproduceselectricitywell.Lampislitbrightenoughvoltageofabout4.5volts .Heatingto160degreeswasnotoptimalenlen,at120degrees,theresultwastheworst10% .  Thecoolanttemperatureattheoutletistendegrees,theinputisonedegreeless.Judgingbytheseresults,water,forcooling,isnotsonecessary...WiththehelpofPeltierelements,youcangenerateelectricityduringanexpedition,incampingtrip,onahuntingcabin,inawordwhereveryoumayneedit.Naturally,inthepresenceoffirewoodorabrightsun,well,besuretobesmart.Using thermoelectricmodule.SuchathermoelectricgeneratoriswellrememberedbythosewhoremembertheSovietstatefarmsandcollectivefarms.TheysaythatduringthewartheGermanscouldnotunderstandhowthepartisanscouldconductradiobroadcastsfromthebesiegedforestforalongtime.Yes,astheysay-ifourscientistswerepaidmoneythentheywouldhaveiphone stillin`85wouldhaveinvented!:-)ThermoelectriccoolerThermoelectricrefrigerator(option2)Thermoelectricrefrigerator(option3)CarcoolerforcanneddrinksCoolerfordrinkingwaterThermoelectricairconditionerforKAMAZcabInsucha"ladle"waterispoured,putonfireand,please,rechargethemobilephone.Thewholesecretintheday,thereis"buried"PeltierLet'stakeacloserlookatthisconstruction.BThereisagrowinginterestintheuseofthermoelectricgeneratormodulesinconsumerdevices.Firstofall,itconcernsthepowersupplycapacityoflow-powerelectricityconsumers-radioreceivers,cellularandsatellitetelephones,laptopcomputers,automationdevices,etc.availableheatsources.Thermoelectricgenerator,inwhichtherearenorotating,rubbingandanyotherwearingparts,allowsyoutodirectlyreceiveelectricityfromanysourceofheat:exhaustgasesofinternalcombustionengines,hotwatergeothermalsources,"waste"heatCHP,etc.Guidedbytheexperiencegainedinthecreationofindustrialthermoelectricgenerators(TEG)ofvariouscapacities-fromafewwattstoseveralkilowatts,theIAPKRYOTHERMbeganmassproductionofhouseholdTEGswithanominalpowerof8watts.Structurally,thegeneratorismadeintheformofanaluminumbucketwithaninternalvolumeofabout1literatthebottomofwhichthegeneratormodulesoftheproductionoftheIAPKryothermareinstalled. Thetemperaturedifferencerequiredforgeneratoroperationisachievedwhentheladleisheated,forexample,fireflame.Waterheatedinsideascoopcanbeusedforcookingorforotherpurposes.Thisgeneratorisprimarilyintendedforuseinremote,hard-to-reachplacesforrechargingthebatteriesofindividualmeansofcommunicationandnavigation,lighting,etc.Itisindispensableforhunters,tourists,seamen,rescueandspecialservicesemployeeswhoareforcedtostayawayfromsourcesofcentralpowersupplyforalongtime.Theadvantageofthegeneratorisitslowweightandvolume,highspecificpowergenerated,functionalityandhighreliability.Thedesignofthegeneratoreliminatesthepossibilityofoverheatingwhenproperlyused.Asanoption,thegeneratorisprovidedwithastepvoltageregulatorwith3V-6V-9V-12Vandadapterforcharger.alt=""src="https://sdelaysam-svoimirukami.ru/_nw/2/04530687.jpg"align="">DOMESTICGENERATORTHERMOELECTRIC1TG-8TechnicalspecificationWeightwithoutliquid,kg,notmorethan0.55Overalldimensions,mmwithhandlewithouthandle250x130x110 ?123,h=100Internalvolume,dm31.0Nominalgeneratedpower,W,notlessthan8.0Outputvoltage,V3.0?12.0Current,mA660?2660Andhereisanotherusecase.Ageneratorconsistsofsuchsmallthermoelectriccapacitors.Thethermalgeneratorwillespeciallypleasefansofdynamicdriving:thehighertheenginespeed,themoreelectricityisgenerated,whichcanbeusedinfutureinhybridpowerplants,forexample,forevenbetteraccelerationdynamics.Nearlytwo-thirdsoftheenergyoffuelinmodernICE"flies"intotheatmospheretogetherwithheat.Therefore,BMWengineers,togetherwithspecialistsfromtheUSaerospaceagencyNASA,areactivelyworkingontechnologiesforconvertingthethermalenergyofexhaustgasesintoelectricalenergy.Suchinstallationshaveonemorepositiveeffect:additionalheatingoftheunheatedmotor.WhileTEG"envelops"asegmentoftheexhaustpipe,butinthefutureitisplannedtointegratethissystemintothecatalyst,therebyusingitsthermalregime.Formorelarge-scaleimplementationofthistechnologyinthecarwillhavetoupgradethebottom,expandinginsomeplacesthecentraltunnel.Itisexpectedthatsuchasystemwillverysoonbeabletogive5percentfueleconomy,increasingtheefficiencyoftheinternalcombustionengine.That’swhatitis  Peltier Element or Thermoelectric Module !

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