■工学部_研究紹介_2017_英語版ファイル161220

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Shimizu LabNext-generationenergystoragedevicesthatuseNa-ionorMg-ionasthechargecarrier,Na-ionbattery(NIB)andMg-ionbattery(MIB),haveattractedmoreandmoreattentionbecauseofthoselowcostandnaturalabundance.Inordertorealizethebatterieswithahighenergydensity,ourresearchgroupfocusesondevelopmentofcarbon-andalloy-basedhostmaterialswhichcanabsorbmuchchargecarrierperthoseformulaweightandsuitableelectrolytesolutionsincollaborationwithProf.Araigroup.Rechargeablebatteriesareindispensableinadailylifeinthepresent.Toeffectivelyuserenewableenergy,“storageofenergy”issignificantlyimportant,andbatterieswithhighcapacityandlong-lifetimearerewired.Ourgroupattemptstodevelophigh-performanceelectrodematerialsandsuitableelectrolytesolutionsforNa-,Mg-ionbatterieswhichleadtotherealizationofalow-carbonsociety.MasahiroShimizuAssistantProfessorHereceivedhisDr.degreefromTottoriUniversityin2016.Hisresearchfocusesondevelopmentofelectrodematerialsforrechargeablebatteries(NIBandMIB).Developmentofelectrodematerialsfornext-generationrechargeablebatteries(right)TEMimageofSiliconoxideparticles(activematerial)preparedbyasol-gelmethod.(left)Studentinourgroupfabricatescoin-typecellwithinagloveboxfilledwithanargonatmospherefromwhichtheoxygenandwaterhadbeencompletelyremoved.Variousanalyticalinstruments(TEM,FIB,FE-SEMetc.)arerequiredformaterialcharacterization,andtheexperienceindealingwiththemwillbeabigadvantageaftergraduation.Throughthestudiesofelectroplatingandelectrodematerials,wedeveloppeoplewithoutstandingspecialistcapabilitieswhocanplayintheinternationalarena.In the FutureAfter GraduationChemistry& MaterialsEngineeringDiameter: 200300 nm30nmBatteryconstituentmaterials.Ingeneral,batteryisconsistedofactivematerials,binder,conductiveadditive,currentcollector,andelectrolytesolution.ArTeshimaLab『ForTheFutureGreenMobility』TeshimaLabhasbeenworkingtodesignnewenergy&environmentalcrystallinematerialsincollaborationwithOishiLabandWagataLab.Inparticular,wearechallengingtoconstructanewscientificprincipleinordertodevelopfunctionalinorganiccrystalswithhierarchicallycontrolledstructures,ranginginsizefrom0.1nmto100μm.Withthisprinciple,wecanachievethereductionofenergylossesand/orthehighlyefficientenergyuseofall-solid-stateenergyconversiondevices.Highqualitycrystals,usedinsemiconductorsandmanyotherapplications,areindispensablematerialsinourlives,becausesinglecrystalshavepotentialstoexhibittheirnear-marginalperformances.Thisisaveryimportantconceptinthematerialdevelopmentofsolid-stateenergy-conversiondevices,next-generationenergystorageandproduction,solarhydrogengeneration,andpurificationofhazardousmatters.KatsuyaTeshimaProfessorHe completed doctoral degree in Nagoya Univ. and started to work as an assistant professor in ShinshuUniv. in 2005. He has been assigned at present post from 2011. All-crystal-statelithium-ionbatteriesforelectricvehicles;coin-celltypeLIB(left),schematicsofLIBstructureandourcrystals.Flux Innovation for Pioneering Energy & Environmental MaterialsFuture scientists presenting in international conferences (in France, Italy, and Korea) and the largest exhibition of university in Japan (students in our lab).Graduatesfromourlabarecommittedtodevelopingecomaterials&ecotechnologies.Therefore,theyareactiveasresearchersandengineersinvariousfieldsrelatingtoautomobiles,energy,electronicsaswellasmaterialsscienceandchemistry.In the FutureAfter GraduationChemistry& MaterialsEngineering14

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