7.2 Biofuel Cell
119
Table 7.1
(continued)
DET
Anode
Cathode
Conditions
OCV
/V P
max /mW
cm −2
(at
E
cell /V)
Stability
Refs.
Reaction*
Enzyme/electrode
Reaction*
Enzyme/electrode
H
2
− 2e −
→ 2H +
DvMF-H
2 ase/KB/WPCC
(GD, 1 bar H
2 )
O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/KB/WPCC
(GD, 1 bar O
2 )
1.5 M citrate
buffer, pH 5.0,
40 °C, quiescent
1.14
8.4 (0.70)
−
[20]
H
2
− 2e −
→ 2H +
DvMF-H
2 ase/PDA-modified
KBE/WPCC (GD, 1 bar H
2 )
O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/ABA-modified
KB/WPCC (GD, 1 bar air)
1.5 M citrate
buffer, pH 5.0,
25 °C, quiescent
1.12
6.1 (0.72)
−
[21]
fructose
− 2e −
→
5-keto-fructose
FDH/CCG/CP
O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/BL-adsorbed
KB/CP (GD, 1 bar air)
0.5 M
d-fructose,
1.0 M citrate
buffer, pH 5.0,
25 °C, quiescent
0.79
2.6 (0.46)
−
[22]
fructose
− 2e −
→
5-keto-fructose
FDH/CNTf
O
2 /2
+ 2e −
→ H
2 O
Ts-Lac/CNTf
(1 bar O
2 )
0.2 M
d-fructose,
McIlvaine buffer,
pH 5.0, 25 °C,
stirring
0.77
1.8 (0.45)
84% after 24 h
of continuous
operation
[23]
H
2
− 2e −
→ 2H +
Aa-MBH/CNF/PGE
(1 bar
H
2 )
O
2 /2
+ 2e −
→ H
2 O
Bp-BOD/CNF/PGE
(1 bar
O
2 )
0.1 M phosphate
buffer, pH 6.0,
60 °C, a separator
Nafion ®
117,
bubbling
1.05
1.5 (0.7)
40% after 24 h
of continuous
operation
[24]
fructose
− 2e −
→
5-keto-fructose
FDH/ME-modified AuNP/CP O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/AuNP/CP
(1 bar
O
2 )
0.2 M
d-fructose,
0.1 M acetate
buffer, pH 6.0,
25 °C, stirring
0.73
0.87 (0.3)
85% after 12 h
of continuous
operation
[25]
(continued)