FUEL CELL REFORMER REACTOR - CHERIC · 2001-05-11 · FUEL CELL SHIFT REACTOR REFORMER Off Gas...
Transcript of FUEL CELL REFORMER REACTOR - CHERIC · 2001-05-11 · FUEL CELL SHIFT REACTOR REFORMER Off Gas...
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AIRAIRAIRAIR
GASGASGASGAS
LNGLNGLNGLNG AIRAIRAIRAIR
CWCWCWCW
CWCWCWCWCWCWCWCW
STMSTMSTMSTM
FUEL CELLFUEL CELLFUEL CELLFUEL CELL
SHIFT SHIFT SHIFT SHIFT REACTORREACTORREACTORREACTOR
REFORMERREFORMERREFORMERREFORMER
Off Off Off Off GasGasGasGas
DC-CBDC-CBDC-CBDC-CB INVERTERINVERTERINVERTERINVERTER AC 200VAC 200VAC 200VAC 200V
STEAM STEAM STEAM STEAM SEPARATORSEPARATORSEPARATORSEPARATOR
STM+WATERSTM+WATERSTM+WATERSTM+WATER
WATERWATERWATERWATERBUFFER BUFFER BUFFER BUFFER
TANKTANKTANKTANK
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LOAD
2e -
2e -
2e -
2H+
2H+
H2 1/2 O2
1/2 O2
H2OH2
ACIDELECTOLYTEPOROUS
ANODEPOROUS
CATHODE
OXIDANTFUEL
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0000
0.20.20.20.2
0.40.40.40.4
0.60.60.60.6
0.80.80.80.8
1.01.01.01.0
1.21.21.21.2
1.41.41.41.4
Cell
Voltage (
V)
Cell
Voltage (
V)
Cell
Voltage (
V)
Cell
Voltage (
V)
"No loss" voltage"No loss" voltage"No loss" voltage"No loss" voltage
current density (mA/cm2)current density (mA/cm2)current density (mA/cm2)current density (mA/cm2)
0000 200200200200 400400400400 600600600600 800800800800 1000100010001000
open circuit voltageopen circuit voltageopen circuit voltageopen circuit voltage
Nernst의 이론전압
Other resistances, Ro
Activation resistance, Ra
i
load
V
Reverse emf by exchange current
Eo
E+
-
+
-
Ea+
-
Er+
-
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0000
0.20.20.20.2
0.40.40.40.4
0.60.60.60.6
0.80.80.80.8
1.01.01.01.0
1.21.21.21.2
1.41.41.41.4
Cell
Voltage (
V)
Cell
Voltage (
V)
Cell
Voltage (
V)
Cell
Voltage (
V)
"No loss" voltage"No loss" voltage"No loss" voltage"No loss" voltage
current density (mA/cm2)current density (mA/cm2)current density (mA/cm2)current density (mA/cm2)
0000 200200200200 400400400400 600600600600 800800800800 1000100010001000
io= 0.01 mA/cm2
io= 100 mA/cm2
io= 1.0 mA/cm2
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Load, R
Anode gas streamya1, ma1 , Ta1
Cathode gas streamyc1, mc1, Tc1
ya2, ma2 , Ta2
yc2, mc2 , Tc2
I
Tw1, mw, q1Tw2, mw, q2
V
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가열매체
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feed
dz*
z*
L
Tw
r
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STACK
PC
TC
LC
SC
To Reformer
Line Heater