+ All Categories
Home > Documents > Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [- nF...

Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [- nF...

Date post: 17-Jan-2018
Category:
Upload: oswin-quinn
View: 235 times
Download: 0 times
Share this document with a friend
18
Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-nF/RT] - exp[(1-)nF/RT]}
Transcript
Page 1: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

Effect of the exchange current density (j0) on the the current density (j):

j(t) = j0 {exp [-nF/RT] - exp[(1-)nF/RT]}

Page 2: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200

j0 = 10-2 A = 0.5

j / mA

/ mV-600 -400 -200 200 400 6000

Page 3: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-3 A = 0.5

-600 -400 -200 200 400 6000

Page 4: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-4 A = 0.5

-600 -400 -200 200 400 6000

Page 5: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-5 A = 0.5

-600 -400 -200 200 400 6000

Page 6: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-6 A = 0.5

-600 -400 -200 200 400 6000

Page 7: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-7 A = 0.5

-600 -400 -200 200 400 6000

Page 8: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-8 A = 0.5

-600 -400 -200 200 400 6000

Page 9: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-9 A = 0.5

-600 -400 -200 200 400 6000

Page 10: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

j(t) = j0 { exp [-nF/RT] - exp[(1-)nF/RT] }

represented together with the forward and backward components

Variation of j as a function of j0:

Page 11: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-2 A = 0.5

total current anodic partial current cathodic partial current

-600 -400 -200 200 400 6000

Page 12: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-3 A = 0.5

total current anodic partial current cathodic partial current

-600 -400 -200 200 400 6000

Page 13: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-4 A = 0.5

total current anodic partial current cathodic partial current

-600 -400 -200 200 400 6000

Page 14: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

total current anodic partial current cathodic partial current

-600 -400 -200 200 400 6000

j0 = 10-5 A = 0.5

Page 15: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

total current anodic partial current cathodic partial current

-600 -400 -200 200 400 6000

j0 = 10-6 A = 0.5

Page 16: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-7 A = 0.5

total current anodic partial current cathodic partial current

-600 -400 -200 200 400 6000

Page 17: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-600-400-2000200400600

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

total current anodic partial current cathodic partial current

j0 = 10-8 A = 0.5

-600 -400 -200 200 400 6000

Page 18: Effect of the exchange current density (j 0 ) on the the current density (j): j(t) = j 0 {exp [-  nF  /RT] - exp[(1-  )nF  /RT]}

-200

-150

-100

-50

0

50

100

150

200j / mA

/ mV

j0 = 10-9 A = 0.5

total current anodic partial current cathodic partial current

-600 -400 -200 200 400 6000


Recommended