超薄柔性固态电解质设计与进展分析报告-培训课件

3OutlineIntroductionUltrathinSSE

designUltrathin,scalable,high-temperature-resistSSE

designUltrathin,scalable,fireretardingSSE

designLimetaldesignforultrathin

SSEsDilemmainLIBs:Performancevs.

Safety6Nov3rd,2019,ABC

NewsSource:,

,SamsungNote

72016E-cigarettefatality2018…Thenanotherin

2019Liquidelectrolyte:(1).Flammable;(2).Fatally

Toxic2012-2022SideReactionwith

Heat/Water7Kamayaetal.NatureMaterials,10,682–686,

2011Solid-stateElectrolyte:AGame

ChangerLiquid

ElectrolyteCeramic

ElectrolytePolymer

electrolyteSolid-stateElectrolytes(SSEs)arebelievedtobeintrinsicallynonflammableand

safe;SSEsshouldenable“ultimate”Limetalanodeforhighenergy

density;SSEshavehighionicconductivityandwithwiderECwindowthanliquid

electrolyte.LiquidElectrolyteSolid-StateElectrolyteConventionalSSEsand

Limitations8NatureComm.,2017,8,

15893J.Mater.Chem.A,2015,3,

19218NatureMater.,2017,16,

572NatureMater.,2015,14,

1026NatureEnergy,4,2019,

187PNAS,2016,113,

7094Thick&

HeavyLi

penetrableBrittle&

FragileSolid

contactThick&

HeavySoft/Li

penetrableFlammableThick&

HeavyLi

penetrableFlammable1.

Ceramic

SSEs 2.

Polymer

SSEs 3.Composite

SSEsCeramic Polymermµ200>LIBseparator:~20

µmPros: • High

ionic

conductivity • Compatiblewith

LIBs • Compatiblewith

LIBs• Flexible • FlexibleCons:Ceramic

SSE Polymer

SSEConventionalSSEsand

Limitations9Thin&

LightweightRobust&

FlexibleLidendrite

proofNon-flammableNatureComm.,2017,8,

15893J.Mater.Chem.A,2015,3,

19218NatureMater.,2017,16,

572NatureMater.,2015,14,

1026NatureEnergy,4,2019,

187PNAS,2016,113,

7094MyDesignPolymer

compositeLi+Ceramic

SSEs Polymer

SSEs Composite

SSEsCeramic Polymermµ200>LIBseparator:~12

µm• Thick&Heavy • Thick&

Heavy • Thick&

Heavy• Lipenetrable • Soft/Li

penetrable • Li

penetrable• Brittle

&Fragile • Flammable • Flammable• Solid

contact10OutlineIntroductionUltrathinSSE

designUltrathin,scalable,high-temperature-resistSSE

designUltrathin,scalable,fireretardingSSE

designLimetaldesignforultrathin

SSEsResearch1.DesignPrincipleofthePolymerComposite

Electrolyte11J.Wan,J.Xie,Y.Cuietal.NatureNanotech.,2019,14,

705-711Aligned

Nanochannel8.6

µmMechanical

Enforcer(Polyimide)Mechanical

robustHeat

tolerantSelf

distinguishingIon

Conductor(PolyethyleneOxide+

LiTFSI)Highionic

conductivityEnhanceionic

conductivitySuppressLidendriteformation(Channeldiameter

~200nm)Provisionalpatent:

US62/830,2170.000.050.100.15Capacitybythickness

(mAh/cm2/m)0 200 400 600 800 1000Thickness

(m)130.2

mA/cm2,0.5mAh/cm20.3mA/cm2,0.75mAh/cm20.4

mA/cm2,1mAh/cm20.1

mA/cm2,0.3mAh/cm20 100400-0.2-0.10.00.10.2Voltage

(V)200

300Time

(h)J.Wan,J.Xie,Y.Cuietal.NatureNanotech.,2019,14,

705-711NanochannelsEffect:LiDendrite

SuppressionLi/PIPEO/Li0.2Li/PEO/Li)

0.1(V Short

Circuitltage

0.0Vo-0.1-0.20 200

400

600

800

1000Time

(h)02004006008001000--0.10.2Voltage

(V)Time

(h)Li/PEO/LiLi/PIPEO/LiLi

MetalPIPEOLi

Metal0.1

mA/cm2,0.05

mAh/cm2LighterThinner

1.Stronger

3.NatureMater

20172.NatureMater

2019PNAS

2017PNAS

2016PNAS

2019Adv.Mater.

2020Adv.Mater.

2018Adv.EnergyMater.

202012,8MyWorkNanochannelsleadtoeffectiveLidendrite

suppressionConstant

CurrentControl

CapacityThickerHeavierWeakerEC/DEC3,4,6

5,7AbuseTestsofPolymerComposite

Electrolyte16J.Wan,Y.Cuietal.NatureNanotech.,2019,14,

705-711Fold SqueezeUnfoldFoldNailCutPI/PEOcompositeagainstmechanical

abusesResearch2.Ultrathin,scalable,high-temperature-resistSSE

design17Y.Ma*,J.Wan*,Y.Cui,etal.AdvancedEnergyMaterials,2022,2103720,(*equal

contributions)PEO

infiltration21PolymercompositePI/PEO/LiTFSIPEO+FRPI/PEO+FRY.Cui*,J.Wan*,Y.Cuietal.,NanoLetters,2020(*equal

contributions)Research3.Designoffire-retardingultrathincomposite

SSE2

cmMetal

foilRoll-to-roll

process23OutlineIntroductionUltrathinSSE

designUltrathin,scalable,high-temperature-resistSSE

designUltrathin,scalable,fireretardingSSE

designLimetaldesignforultrathin

SSEs24Research4.Limetaldesignforultrathin

SSEsY.Yang*,H.Chen*,J.Wan*,Y.Cui,etal.AdvancedEnergyMaterials,2022,Online,(*equal

contributions)25Research4.Limetaldesignforultrathin

SSEsY.Yang*,H.Chen*,J.Wan*,Y.Cui,etal.AdvancedEnergyMaterials,2022,Online,(*equal

contributions)ImportantTakeAway

Messages26PI/PEO/LiTFSIThin&

LightweightNon-flammableLidendrite

proofRobust&

FlexiblePolymercomposite2.Three-dimensionalLimetaldesigncanalleviatehighcurrentdensity,leadingtobetterelectrochemicalperformanceathigh

energy/power.1.SSEnanostructureddesignprovide

guidingprinciplesforLidendritesuppressioninultrathinSSEswithadvancedfunctionalities;Dendrite

suppression • Temperature

resist • Fire-retardingRef:J.Wan,Y.Cuietal,NatureNanotech.,2019,14,

705-711Y.Cui*,J.Wan*,Y.Cuietal.,NanoLetters,2020(*equal

contributions)3.Y.Ma*,J.Wan*,Y.Cuietal.,Adv.EnergyMater.,2022,2103720(*equal

contributions)Y.Yang*,H.Chen*,J.Wani*,Y.Cuietal.Adv.EnergyMater.,2022(*equal

contributions)J.Wan,Z.Bao,Y.Cui,etal.Mater.TodayNano,2018,4,

1-1630招收锂离子电池、固态电池方向博士后多名年薪33.5万起；特别优秀者可申请校长卓越博士后，年薪可达50万元；提供优良的工作环境，统一缴纳五险一金，以及各项补贴如：过节费、餐补、高温补贴等；3.课题组提供优良的工作环境和境内外合作交流机会，博士后在站期间享受两年共计2.5万学术交流经费资助；欢迎申请/咨询：wanjy@.cnjyw_hust@163.comCarbonEnergyisaninternationaljournalthataddressesthegrowingscientificinterests

andneedsincutting-edgeenergytechnologyinvolvingcarbonutilizationandcarbon-emissioncontrol.Thescopeisbroadandfallswithinallformsofenergy,spanningfrom

theconventionalelectricandthermalenergytothetypethatcatalyzeschemicalandbiologicaltransformation.Italsopromptsnewtechnologiesleadingtothecontrolofcarbonemissionandgreenproductionofcarbon

materials.Associate

EditorsXiulei

Ji,OregonStateUniversity,USAJichangWang,Universityof

Windsor,CanadaChengZhong,Tianjin

University,ChinaJongHyeok

Park,YonseiUniversity,SouthKoreaXin

Wang,NanyangTechnologicalUniversity,SinaporeNicolaPinna,Humboldt-UniversitätzuBerlin,GermanyZhengyu

Bai,HenanNormalUniversity,ChinaEditor-in-ChiefShun

WangVicePresidentofWenzhou

UniversityAbstractingand

IndexingSCIE,ESCI,CAS,DOAJ,Scopus,Inspec,CN

33-1419/TKHigh-Starting-PointNewJournalSupportedbyExcellence-ActionPlanforChinaSTM

Journalshttps://32SusMat-MaterialsInnovationforSustainable

Development22位各国院士领衔的35位材料、化学、能源、环境等多学科交叉领域全球顶尖科学家主编编委会ISSN:

2692-4552目标

|

可持续发展材料领域综合性权威期刊，高水平学术传播交流平台中国科技期刊卓越行动计划