Cours 3: Bio-électrodes Flashcards
1
Q
Biopotential electrodes
A
Convert ionic current into electronic current
2
Q
Electrolyte
A
Body fluid containing ions
3
Q
Net current crossing the interface
A
Opposite: Electrons (e-), Anions (A-)
Same: Cation (C+)
4
Q
Net over potential is give by: (Total potential or polarization potential of the elctrode)
A
- E0 Half cell potential
- -Vr Ohmic overpotential
- Vc concentration overpotential
- Va activation potential
