Download - FUEL CELL REFORMER REACTOR - CHERIC · 2001-05-11 · FUEL CELL SHIFT REACTOR REFORMER Off Gas DC-CB INVERTER AC 200V STEAM SEPARATOR STM+WATER WATER BUFFER TANK. LOAD 2e - 2e - 2e

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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

LOAD

2e -

2e -

2e -

2H+

2H+

H2 1/2 O2

1/2 O2

H2OH2

ACIDELECTOLYTEPOROUS

ANODEPOROUS

CATHODE

OXIDANTFUEL

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+

-

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

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

��원료가스 생성가스촉매층

가열매체

feed

dz*

z*

L

Tw

r

STACK

PC

TC

LC

SC

To Reformer

Line Heater