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(C) Copyright NISSAN MOTOR CO., LTD. 2017 All rights reserved.
Mikio MATSUMOTO
Expert Leader, EV System Laboratory,
Research Center
Nissan Motor Co., Ltd.
e-Bio Fuel-Cell
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Key issues facing the auto industry
出典: NASA earth observatory(http:/ / www.nasa.gov/ vision/ earth/ environment/ arcticice_decline.html)
Global warmingEnergy
Traffic accidentsCongestion
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Zero Emissions
Zero Fatalities
Nissan’s corporate goals
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Keys for breakthroughs
Electrification
Vehicle intelligence
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e-Power and e-Bio Fuel-Cell systems use BEV powertrain components
Uses of EV components in multiple powertrains
Battery
e-PT
Battery EV
e-Power
e-PT
e-Bio Fuel-Cell
ICE
+ +
e-PT
Battery Gasoline
e-PTSOFC
BatteryBio ethanol
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EV technologies are at the core of Intelligent Power
They combine driving pleasure and sustainable mobility, and allow future energy diversity
Diverse applications of EV technologies
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High efficiency
• Running cost equivalent to EV
• Long range
Easy to supply
Clean
Concept of e-Bio Fuel-Cell
• Short refueling time
• Low infrastructure constraints
• Safe fuel (ethanol-blended water)
• Exhaust as clean as
atmosphere
E100
100% ethanol
55 : 45
Carbon neutral cycle
e-Bio Fuel-Cell
Ethanol-blended water
Bio-ethanol
Sugarcane
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55% Water
45% Ethanol
Comparison of running costs (for reference only)
e-Bio
Fuel-Cell EV
Ethanol-blended water
24h
e-Bio Fuel-Cell
¥3.1/km
Running cost
• e-Bio Fuel-Cell… Calculated with Nissan target performance, assumed vehicle
conditions and estimated 45% ethanol price based on the ethanol price: ¥64/L
(based on E100 price in Brazil)
• EV and Gasoline ICE… Calculated with equivalent condition with e-Bio Fuel-
Cell case
Market value of e-Bio Fuel-Cell
Ideal vehicle for environmentally-friendly delivery services
- Can be operated 24/7 ; quiet drive and short refueling time
- Versatile, with ample power supply (for refrigerated delivery services, etc.)
Running costs equivalent to EVs by using ethanol-blended water as fuel
Home delivery
Electric supply
for refrigeration, etc.
Gasoline
ICE
¥2.9/km
¥9.0/km
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Fuel tank
SOFCstack
BatteryMotor
SOFC system(Fuel cell system)
Air
100% Ethanolor Ethanol-blended water
SOFC:Solid Oxide Fuel Cell
Reformer
H2
How the e-Bio Fuel-Cell system works 1/2
Fueled by liquid fuel: easy to handle, can use conventional fuel tank
Hydrogen generated through reformation of 100% ethanol or ethanol-blended water
Power generated by SOFC (solid oxide fuel cell) stack from reformate hydrogen and air
Generated electricity charges battery and powers drive motor
Rotational powertransmitted to wheels
Charge
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100% Ethanolor
Ethanol-blended water
H2
CO2
Heat
Air
O2
H2O
Electron
SOFC Stack
H2O
CO2
Exhaust
Exhaust Heat[Main reaction]
Fuel Tank
O2
SOFC System
H2O
Ethanol
How the e-Bio Fuel-Cell system works 2/2
Produces hydrogen from ethanol-blended water through reformer
C2H5OH+3H2O → 6H2+2CO2 [Main reaction]
Generates electricity through reaction
of hydrogen with oxygen from air
Reuses exhausted heat for reformation
(highly efficient system)
Reformer
Heat
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e-Bio Fuel-Cell prototype vehicle
Features Specs.
Base vehicle e-NV200
Battery Capacity 24kWh
PowertrainElectricity
100% Ethanol
Fuel tank capacity 30L
SOFC power 5kW
Driving range Over 600km
Note: specifications are for Nissan’s research prototype vehicle, and are subject to
change.
Specifications of research prototype vehicle
Carbon neutral; exhaust gas as clean as atmosphere
Driving pleasure and low running cost equivalent to EV
Range equivalent to gasoline engine vehicles
No need to charge from grid
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