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电化学  2001 

电化学阻抗法测定金属氢化物电极中氢的扩散系数

, PP. 321-325

Keywords: 金属氢化物电极,氢的扩散系数,电化学阻抗法

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Abstract:

应用电化学阻抗法测定了不同荷电状态(SOC)和不同温度下MlNi3.75Co0.65Mn0.4Al0.2金属氢化物电极中氢的扩散系数.结果表明:室温下该电极中氢的扩散系数随其荷电量的增大而减小,SOC为50%时氢的扩散系数随温度的升高而增大,相应的氢扩散活化能为35kJ/mo

References

[1]   BalaSHaran,BrankoNPopov,RalphEWhite.Determinationofthehydrogendiffusioncoefficientinmetalhydridesbyimpedancespectroscopy[J].J.PowerSources.1998,75:56.
[2]   CuiN ,LuoJL .ElectrochemicalstudyofhydrogendiffusionbehaviorinMg2Ni_typehydrogenstoragealloyelectrodes[J].Int.J.Hydrogenenergy1993,24:37.
[3]   AllenJBard,LarryRFaulkner.ElectrochemicalMethods[M ].NewYork:JohnWiley&Sons,Inc.,1980.132.
[4]   QuanxingZha.Kineticsofelectrodeprocess,2 ndedition,Beijing:Sciencepress,1987.278
[5]   GreefR ,PeatR ,PeterLM ,etal.InstrumentalMethodsinElectrochemistry.NewYork:JohnWiley&Sons,Inc.,1986.265.
[6]   GassaLM ,VilcheJR ,EbertM ,etal.Electrochemicalimpedancespectroscopyonporouselectrode[J].J .Appl.Electrochem.,1990,20:677.
[7]   TamasPajkossy,LajosNyikos.DiffusiontofractalsurfacesⅡ:Verificationoftheory[J].ElectrochimicaAc ta,1989,34:171.
[8]   CabnaelR ,BarralG ,DiardJP ,LeGorrecB ,MontellaC .Determinationofthediffusioncoefficientofaninsertedspeciesbyimpedancespectroscopy:applicationtotheH/HxNb2O5system[J].J .Appl.Elec trochem.,1993,23:93
[9]   ChiakiIwakura,TakafumiOura,HiroshiInoue,etal.EffectofalloycompositiononhydrogendiffusionintheAB5_typehydrogenstoragealloys[J].J .Electroanal.Chem.,1995,398:37.
[10]   Z櫣chnerH,RaufT .ElectrochemicalmeasurementsofhydrogendiffusionintheintermetalliccompoundLaNi5[J].J .Less_commonmetals.1991,172~174:611

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