今年3月份,油气乐见桌面正式上线,油气其最大的特点就是通过大数据分析,为乐视的每一位用户建立数据库,并根据用户具体的历史观看行为为用户进行内容筛选,从而做到了真正的用户运营,实现了用户个性化观看。
e)PM/ZIF-seq的XRD图,贸易新的相位用星号标记。人民b)PM/ZIF-simu和原始ZIF-8的XRD图。
币结水江澜课题组近期发表的部分学术论文:Wan,X.F.Liu,Y.C.Li,R.H.Yu,L.R.Zheng,W.S.Yan,H.Wang,M.Xu,*J.L.Shui.* Fe–N–CElectrocatalystwithDenseActiveSitesandEfficientMassTransportforHigh-performanceProtonExchangeMembraneFuelCells,Nat. Catal. 2019,2,259-268. F.Xue,Y.C.Li,X.F.Liu,Q.T.Liu,J.X.Shang,H.P.Duan,*L.M.Dai,* J.L.Shui.*Zigzagcarbonasefficientandstableoxygen reductionelectrocatalystforprotonexchange membranefuelcellsNat.Commun. 2018,9:3819.-T.Liu,Y.-C.Li,L.-R.Zheng,J.-X.Shang,X.-F.Liu,R.-H.Yu,J.-L.Shui*.SequentialSynthesisandActive-SiteCoordinationPrincipleofPreciousMetalSingle-AtomCatalystsforOxygenReductionReactionandPEMFuelCells,Adv.EnergyMater.2020,DOI. 10.1002/aenm.202000689.J.Zeng,J.L.Shui,*X.F.Liu,Q.T.Liu,Y.C.Li,J.X.Shang,L.R.Zheng,*R.H.Yu.*Single-AtomtoSingle-AtomGraftingofPt1ontoFe−N4 Center:Pt1@Fe−N−CMultifunctionalElectrocatalystwithSignificantlyEnhancedProperties Adv. EnergyMater. 2018,8,1701345.T.Liu,X.F.Liu,*L.R.Zheng,andJ.L.Shui*TheSolid-PhaseSynthesisofanFe-N-CElectrocatalystforHighPowerProton-ExchangeMembraneFuelCells Angew.Chem.Int.Ed.,2018,57,1204–1208.Y.Chen,X.F.Liu,L.Zheng,Y.Li,X.Guo,X.Wan,Q.T.Liu,J.X.Shang,J.L.Shui*InsightsintotheRoleofActiveSiteDensityintheFuelCellPerformanceofCo-N-CCatalysts,Appl. Catal. B-Environ. 2019,256,117849.Y.Liu,X.Kong,L.R.Zheng,X.Guo,X.F.Liu,J.L.Shui*.RareEarthSingleAtomCatalystsforNitrogenandCarbonDioxideReduction.ACSNano2020,14(1),1093-1101. C.Li,X.F.Liu,L.R.Zheng,J.X.Shang,*X.Wan,R.Hu,X.Guo,S.Hong,J.L.Shui*,PreparationofFe-N-CCatalystswithFeNx(x=1,3,4)ActiveSitesandComparisonofTheirActivitiesforOxygenReductionReactionandPerformancesinProtonExchangeMembraneFuelCell,J.Mater.Chem.A,2019,7,26147-26153.-L.Zhang,Q.-T.Liu,J.-L.Shui,*EffectofCatalystLayerHydrophobicityonFe-N-CProton ExchangeMembraneFuelCells,ChemElectroChem 2020,DOI.10.1002/celc.202000351.Y.Zhu,Q.T.Liu,X.F.Liu,J.L.Shui*.TemperatureImpactsonOxygenReductionReactionMeasuredbytheRotatingDiskElectrodeTechnique.J.Phys.Chem.C2020,124,3069−3079.X.Wang,X.Gao,L.C.Li,M.Wang,J.L.Shui,*MingXu,* High-capacityK-storageoperationalto-40byusingRGOasamodelanodematerial,NanoEnergy doi.org/10.1016/j.nanoen.2019.104248.X.Wang,J.Ren,X.Gao,W.J.Zhang,H.P.Duan,M.Wang,J.L.Shui,*M.Xu,*Self-AdaptiveElectrodewithSWCNTBundlesasElasticSubstrateforHigh-RateandLong-Cycle-LifeLithium/SodiumIonBatteriesSmall 2018,1802913.本文由木文韬翻译编辑。图3Ir1-N/C和Pt1-N/C中金属位点的配位结构a)Ir1-N/C、算持Ir/C和IrO2的IrLIII边 XANES光谱。油气图2PM1-N/C的TEM图像和元素分布a-d)PM1-N/C的TEM图像。
i)OH*在Ir1上的吸附能随配位阴离子(C4、贸易N1C3、N2C2、N4、C4O1)的电负性而变。图5 H2-O2 PEMFCs和H2-airPEMFC的电化学性能测试a)以Ir1-N/C、人民Pt1-N/C、Ir/C和Pt/C为阴极催化剂的H2-O2 PEMFCs的极化曲线和功率密度图。
质子交换膜燃料电池测试证实了活性位点配位原理,币结并显示出Ir1-N/C极高的原子效率,所揭示的原理为设计用于PEMFC的PMSACs提供了理论指导。
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