114
Electrochemical Supercapacitors for Energy Storage and Delivery
Li/Li x MoO 2
Charge
Discharge
–200
0
200
I/μA
–1.0
–1.2
–1.4
–1.6
–1.8
Potential/V
FIGURE 3.5
Cyclic voltammogram for pseudocapacitance induced by lithium intercalation in MoO 2 . Note
very slow scan rate of 9 uV/s. (Source: Conway, B. E. 1999. Electrochemical Supercapacitors. New
York: Plenum. With permission.)
10
–8
10
–10
10
–12
Diff usion Coefficients (cm
2
/s)
10
–14
10
–16
D
D J
0.0
0.2
0.4
0.6
0.8
1.0
Li Concentration
FIGURE 3.6
Effect of increasing concentration for lithium lattice occupation on chemical (D) and jump (D J )
diffusion coefficient rates. (Source: Bhattacharya, J. and A. Van der Ven. 2011. Physical Reviews
B, 83,.1–9. With permission.)
Electrochemical Supercapacitors for Energy Storage and Delivery
Li/Li x MoO 2
Charge
Discharge
–200
0
200
I/μA
–1.0
–1.2
–1.4
–1.6
–1.8
Potential/V
FIGURE 3.5
Cyclic voltammogram for pseudocapacitance induced by lithium intercalation in MoO 2 . Note
very slow scan rate of 9 uV/s. (Source: Conway, B. E. 1999. Electrochemical Supercapacitors. New
York: Plenum. With permission.)
10
–8
10
–10
10
–12
Diff usion Coefficients (cm
2
/s)
10
–14
10
–16
D
D J
0.0
0.2
0.4
0.6
0.8
1.0
Li Concentration
FIGURE 3.6
Effect of increasing concentration for lithium lattice occupation on chemical (D) and jump (D J )
diffusion coefficient rates. (Source: Bhattacharya, J. and A. Van der Ven. 2011. Physical Reviews
B, 83,.1–9. With permission.)