7.2 Biofuel Cell
117
Table 7.1
Performances of typical MET- and DET-type biofuel cells
MET
Anode
Cathode
Conditions
OCV
/V P
max /mW
cm −2
(at
E
cell /V)
Stability
Refs.
Reaction*
Enzyme
(stabilizer)/mediator/electrode
Reaction*
Enzyme
(stabilizer)/mediator/electrode
HCOO −
− 2e −
→ CO
2
Me-FoDH/VP/KB/WPCC
O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/ABTS/KB/WPCC
(GD, 1 bar O
2 )
0.3 M HCOONa,
1.0 M phosphate
buffer, pH 7.0,
40 °C, quiescent
1.2
12 (0.78)
−
[10]
glucose
− 4e −
→
5-dehydro-gluconate
B-GDH,
Gn5DH/NAD/Bs-DI/VK
3 /CFS
O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/ANQ/CFS
(GD,
1 bar air)
2.0 M imidazole
buffer, pH 7.0,
25 °C, quiescent
−
10 (0.5)
−
[11]
glucose
− 2e −
→ gluconate B-GDH/NAD/Bs-DI/VK
3 /CFS O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/ANQ/CFS
(GD,
1 bar air)
2.0 M imidazole
buffer, pH 7.0,
25 °C, quiescent
−
5.0 (0.5) Continuous
operation
for 2 h
[12]
HCOO −
− 2e −
→ CO
2
Cb-FoDH/NAD/N-doped
AuNPs
O
2 /2
+ 2e −
→ H
2 O
Tv-Lac/ABTS/N-doped
AuNP 0.05 M
HCOONa, 0.1 M
phosphate buffer
(pH 6.0),
quiescent
0.95
1.96 (0.4) Stable
E
OCV for
30 d
[13]
6glucose
− 2e −
→
gluconate
B-GDH/NAD/Bs-DI/VK
3 /CFS O
2 /2
+ 2e −
→ H
2 O
Mv-BOD/Fe(CN)
6
3
/CFS
(GD, 1 bar air)
0.4 M glucose,
1.0 M phosphate
buffer, pH 7.0,
25 °C, quiescent
0.8
1.45 (0.3) Continuous
operation
for 27 h at
1 mA cm −2
[14]
glucose
− 2e −
→ gluconate B-GDH/NAD/Bs-DI/AQS/HRC
O
2 /2
+ 2e −
→ H
2 O
Mv-BOD
(raffinose)/ABTS/KB/VGCF
(GD, 1 bar air)
1.2 M glucose,
2.0 M phosphate
buffer, pH 7.5,
25 °C, quiescent
−
0.5 (0.9)
−
[15]
(continued)