Figure 5.

Comparative experiments between the traditional electrode and the flexible electrode. (R_E: resistance of electrode, R_G: resistance of gel, C_G: couple of gel, R_S: resistance of skin, C_S: couple of skin); (a) practical application scenario (left), the skin contact model (middle) and the equivalent circuit (right) of the flexible electrodes; (b) practical application scenario (left), the skin contact model (middle) and the equivalent circuit (right) of the traditional electrode; (c) illustration of the above.