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创意海报 | “315”国际消费者权益日

2025-07-11 10:11:35

创意c)输出功率与LSC数量的关系。

此外,海报通过用多个正弦波和一个平面函数近似获得的3D重建石墨烯,干净地分离了出斜率分量和波纹分量。图1.透射电子显微镜的结构[1]一、际消冷冻透射电镜技术(CryogenicTEM)冷冻透射电镜技术是在普通透射电镜上加装样品冷冻装置,际消将样品冷却到液氮温度(77K),用于观测对电子束和温度敏感的样品,如生物、高分子材料等。

创意海报 | “315”国际消费者权益日

cPt短链形成过程中Pt颗粒的旋转、权益接触和连接细节。创意bPt形核之后的初始生长过程。图4.方法和数值模拟验证他们使用像差校正TEM在约100的宽散焦范围内,海报70秒内获得了15张透焦图像。

创意海报 | “315”国际消费者权益日

图6高分辨HADDFTEM和重构的三维原子探针资料表明析出的B2相粒子与基体完全共格四、际消原位透射电镜技术利用原位透射电镜(insituTEM)可以在原子尺度下实时观察和控制气相反应和液相反应的进行,际消进一步理解化学反应的机理和纳米材料的转变过程,从而研究反应机理,从化学反应的本质理解、调控和设计材料的合成。权益图9Ag在组装纳米线之间的迁移过程:a迁移过程中Te纳米线之间的结构变化。

创意海报 | “315”国际消费者权益日

创意图7铂纳米线生长过程的原位电镜图:aPt纳米线不同阶段的生长过程。

海报理解离子迁移机制并合理控制离子传输过程将改善提高器件的性能。锂离子电池具有比能量高、际消自放电弱、循环性能好、无记忆效应和环保等优点,是目前最具发展前景的二次电池。

负极的电极过程第三步骤是在负极的内部完成,权益即电子和离子的传输。不论是研究快速充电还是提高电池的性能,创意研究分析负极材料的嵌锂机制是很有必要的。

海报参考文献 [1]ZhangR,LiN,ChengX,etal.AdvancedMicro/NanostructuresforLithiumMetalAnodes[J].AdvancedScience.2017,4(3). [2]YooE,KimJ,HosonoE,etal.LargereversibleListorageofgraphenenanosheetfamiliesforuseinrechargeablelithiumionbatteries[J].NANOLETTERS.2008,8(8):2277-2282. [3]ZhengM,TangH,LiL,etal.HierarchicallyNanostructuredTransitionMetalOxidesforLithium-IonBatteries[J].ADVANCEDSCIENCE.2018,5(17005923). [4]GaoXP,BaoJL,PanGL,etal.PreparationandElectrochemicalPerformanceofPolycrystallineandSingleCrystallineCuONanorodsasAnodeMaterialsforLiIonBattery[J].TheJournalofPhysicalChemistryB.2004,108(18):5547-5551. [5]LiuY,ZhuY,CuiY.Challengesandopportunitiestowardsfast-chargingbatterymaterials[J].NATUREENERGY.2019,4(7):540-550. [6]IshikawaK,ItoY,HaradaS,etal.CrystalOrientationDependenceofPrecipitateStructureofElectrodepositedLiMetalonCuCurrentCollectors[J].CRYSTALGROWTHDESIGN.2017,17(5):2379-2385. [7]XuK,vonCresceA,LeeU.DifferentiatingContributionstoIonTransferBarrierfromInterphasialResistanceandLi+DesolvationatElectrolyte/GraphiteInterface[J].LANGMUIR.2010,26(13):11538-11543. [8]JowTR,DelpSA,AllenJL,etal.FactorsLimitingLi+ChargeTransferKineticsinLi-IonBatteries[J].JOURNALOFTHEELECTROCHEMICALSOCIETY.2018,165(2):A361-A367. [9]AbeT,SaganeF,OhtsukaM,etal.Lithium-iontransferattheinterfacebetweenlithium-ionconductiveceramicelectrolyteandliquidelectrolyte-Akeytoenhancingtheratecapabilityoflithium-ionbatteries[J].JOURNALOFTHEELECTROCHEMICALSOCIETY.2005,152(11):A2151-A2154.[10]PeledE,MenkinS.Review-SEI:Past,PresentandFuture[J].JOURNALOFTHEELECTROCHEMICALSOCIETY.2017,164(7):A1703-A1719.[11]VermaP,MaireP,NovakP.AreviewofthefeaturesandanalysesofthesolidelectrolyteinterphaseinLi-ionbatteries[J].ELECTROCHIMICAACTA.2010,55(22):6332-6341.[12]PerssonK,SethuramanVA,HardwickLJ,etal.LithiumDiffusioninGraphiticCarbon[J].JOURNALOFPHYSICALCHEMISTRYLETTERS.2010,1(8):1176-1180.[13]BillaudJ,BouvilleF,MagriniT,etal.Magneticallyalignedgraphiteelectrodesforhigh-rateperformanceLi-ionbatteries[J].NATUREENERGY.2016,1(16097).[14]BaeC,ErdonmezCK,HalloranJW,etal.DesignofBatteryElectrodeswithDual-ScalePorositytoMinimizeTortuosityandMaximizePerformance[J].ADVANCEDMATERIALS.2013,25(9):1254-1258.[15]SanderJS,ErbRM,LiL,etal.High-performancebatteryelectrodesviamagnetictemplating[J].NATUREENERGY.2016,1(16099).[16]ChangY,PengC,HungI.EffectsofparticlesizeandcarboncoatingonelectrochemicalpropertiesofLiFePO4/Cpreparedbyhydrothermalmethod[J].JOURNALOFMATERIALSSCIENCE.2014,49(20):6907-6916.[17]TianZ,ZhouZ,LiuS,etal.EnhancedpropertiesofolivineLiFePO4/grapheneco-dopedwithNb5+andTi4+byasol–gelmethod[J].SolidStateIonics.2015,278:186-191.[18]YanK,LuZ,LeeH,etal.Selectivedepositionandstableencapsulationoflithiumthroughheterogeneousseededgrowth[J].NATUREENERGY.2016,1(16010).[19]SunY,ZhengG,SehZW,etal.Graphite-EncapsulatedLi-MetalHybridAnodesforHigh-CapacityLiBatteries[J].CHEM.2016,1(2).本文由张小荣供稿。尽管各种高能量密度的锂电负极材料层出不穷,际消但始终无法解决锂离子电池当前面临的关键问题。

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