Click to edit Master title style • • • • •
Click to edit Master text styles Mitsubishi i-MiEV Second level Technical Highlights Third level Fourth level Fifth level Ashley Sanders i-MiEV Project Manager
What is i-MiEV ?
What is i-MiEV?
Mitsubishi innovative Electric Vehicle
What is i-MiEV? Range : up to 160kms Top speed : 130kph Rapid acceleration
What makes it so special?
Battery Technology
Battery Technology
Research & Development
Japanese Research & Development
Chugoku
Hokuriku
Hokkaido
Kyushu
Tokyo
Okinawa
Kansai
International Research & Development Iceland Europe
Canada Japan
Australia
USA
New Zealand
MiEV Operating System
MiEV Operating System
• Battery Technology • Research & Development • MiEV Operating System (MiEV OS)
Technical Highlights
Technical Highlights
• History of Mitsubishi EVs • i-MiEV Technical Features
History of Mitsubishi’s Electric Vehicles
• First Mitsubishi EV 1971 • MMC produced 150 vehicles
Minica Van EV
History of Mitsubishi’s Electric Vehicles • Long History: EV R&D from the late 1960’s • New Era: Announcement of MiEV Project in October 2006 1970
1980
1990
2000
2010
Response to Air Pollution Response to Global Warming Response to Oil Dependency
Mini Cab EV
Libero EV
Public and private R&D on Evs commenced Lead-Acid battery
FTO EV
Law for Zero-Emission Vehicles (ZEV) took effect in the USA
Lancer Evo MiEV
i MiEV
Kyoto Protocol came into effect Towards an oil-independent society Lithium Ion Battery
PX-MiEV
Battery mass as a percentage of vehicle mass is a compromise between space for packaging and cruising distance
Battery Weight / Vehicle Weight x100%
Development History of EV Battery 100
80
60
Open type Lead Battery Lead battery for EV
40
Nickel Hydride battery 20
Lithium-ion Battery
0 1990
2000
Less than 20%
Practical zone 2010
kg/kw
EV Motor with High Power
80
Vehicle weight／ ／Motor output
Development History of EV Motor
60 Direct-current Motor Induction Motor
40
20
PWR requirement zone for current i-car Permanent magnet Motor
★
0 1990
2000
2010
EV Fundamentals
Environmental Considerations EV is: • The most efficient in well-to-wheel energy use: • the lowest in CO2 emission; • the most cost efficient and • minimizes noise pollution
Total Energy Efficiency EV is the most energy efficient (well to wheel *1) "Well to Wheel" Efficiency Summary FCHV (curernt) FCHV (future)
Vehicle Type
Petrol Petrol HV Diesel Diesel HV CNG Battery EV 0.00
1.00
2.00
3.00
Input Primary energy - MJ/km (10.15 mode)
*1 Total life cycle energy use (well to wheel) Based on Electric Power supply mix in Japan
Source: Japanese Hydrogen and Fuel Cell Development Project (2005)
CO2 EMISSION CO2 emission from EV is: "Well to Wheel" CO2 Emission Summary
• < ¼ of equivalent petrol vehicle • lower than all other currently foreseeable technologies
FCHV (future)
Petrol Vehicle Type
• < ½ of petrol Hybrid EV
FCHV (curernt)
Petrol HV
Diesel
Diesel HV
CNG
Battery EV 0
• ZERO when charged from renewable energy sources
50
100
150
200
Total CO2 emission g-CO2/km (10.15 mode)
*1 Total life cycle CO2 Emission (well to wheel) Based on Electric Power supply mix in Japan
Source: Japanese Hydrogen and Fuel Cell Develo pment Project (20 05)
Energy Economy Cost per 100km
Running cost of EV: • ⅓ cost of petrol vehicle
Cost: 1/3 i-MiEV (daytime) Cost: 1/9 (night time)
• ½ cost of petrol HEV •
cost of petrol vehicle when charged at overnight rates
i Petrol Petrol HEV (Competitor's) ¥ /100km
Drive By Noise Level
Drive-by Noise Level (WOT acceleration from 50kph)
EV is quiet when compared with internal combustion engined vehicles
5dB reduction i-MiEV i Petrol
Noise (dB-A)
i-MiEV Technical Features
i-MiEV Packaging Roomy cabin space is retained, easily seating four adults, with normal luggage space
i-MiEV Packaging Petrol i, the base variant, features rear-midship layout Engine & Transmission
Fuel Tank
i-MiEV Packaging For i-MiEV, the EV hardware is installed under the floor Inverter (MCU)
Charger
Motor Lithium-ion Battery
Lithium Ion Battery High capacity battery module (16kWh) is located under the un-modified floor panel Batteries can be mounted vertically or transversely Service Plug （under the passenger’s seat） ）
Cell
Module
Battery Package
Electric Motor Small, high efficiency motor technologies Sportier and quieter driving than equivalent petrol engined vehicle i-MiEV
Petrol i
Max.Output
47kW
47kW
Max.Torque
180Nm
94Nm
Max.Speed
8500rpm
7500rpm
Type
Permanent magnet synchronous AC
Turbocharged
Electric Motor Torque Characteristic
Acceleration 0 ~ 80 kph 1.5 sec faster i-MiEV i Gasoline
Time
Power Train Rear No conventional transmission required due to high torque of electric motor No clutch between motor and reduction gear box No reverse gear
Control System
On-Board Charger (OBC) (Household charger) & DC-DC Converter
Motor Control Unit (MCU) Inverter
Control System OBC (Household charger) & DC-DC Converter
Charger AC100V~260V, Single phase, 15A DC â&#x20AC;&#x201C; DC Converter - Max. Output Current: 80A
Motor Control Unit (MCU) Inverter
Converts battery DCV to 3 phase ACV required for the EV motor
Driving Modes Three driving modes are provided • D Range achieves optimum performance • E (Economy) Range reduces motor power and fuel consumption • B (Brake) Range increases brake regeneration force during deceleration Indicator lamp
Eco（ （Economy） ） Range
Shift panel
B（ （Brake） ）Range
Combination meter
Home Charge System • • • •
High Voltage battery system is charged from domestic power outlet Charger cable supplied with the vehicle Home charging requires 240V 15A Charge time is approx 7 hours
Charge Cable
Vehicle Coupler
Vehicle Charging
Quick Charge System Battery system can also be charged with quick charge system developed by TEPCO Charge time is reduced to approx 30 minutes for 80% full charge Japanese Quick charger system is 3-phase, 200V 50kW
i-MiEV Quick charger plug
HVAC - Air Conditioning System Evaporator inside HVAC Unit
A/C compressor is driven by electric motor incorporating its own high voltage inverter A/C compressor oil is special oil with high voltage insulation characteristic
Condenser
Electric A/C compressor with inverter
HVAC - Heating System Condense Tank
HVAC Heating System is separated from the Drive motor & MCU cooling system.
Heater Core inside HVAC unit
Electric Heater driven by High Voltage
Long Life Coolant utilised. (Volume: 2.3L)
Electric water pump driven by 12V service battery
Dimensions and Specifications Overall Length x Width x Height
3395 x 1475 x 1600 mm
Curb Weight
1080 kg
Seating Capacity
4
Max. Speed
130 km/h
Cruising Distance with a Single Charge (10・ ・15 mode)
160 km*
2010MY production vehicle i-MiEV specification
Motor
Type
Permanent magnet synchronous
Max. Output
47 kW
Max. Torque
180 N・ ・m
Drive System
Battery
Rear wheel drive
Type
Lithium-ion
Total Voltage
330 V
Total Energy
16 kWh
Awards 2009 Japan Automotive Hall of Fame "Car Technology of the Year" Award MiEV OS for • • •
Integrated control technology for a mass-produced electric vehicle 3-way charging system for the lithium-ion drive battery Development of the compact, lightweight, and high-efficiency motor