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Hybrids-Plus
Contents
Hybrids-Plus / EnergySense are presently developing a PHEV conversion system for the Toyota Prius.
Based in Boulder CO, the group is focusing on the Colorado Front Range market.
Vehicle specs
- Pure EV range (< 34 mph): 30 miles
- PHEV range (conservative driving, after full charge): 50 miles
- PHEV fuel efficiency (conservative, full charge): 100 mpg
- Adds 70 kg to vehicle mass
- Conversion locations:
- In place of OEM battery, and taking some of the space occupied by the black tray in trunk
- Maintains access to spare tire, in its original location
- Charge plug in rear bumper
Technology
- Original traction pack and Battery ECU removed
- New traction pack:
- LiIon - A123 26650 cells (same as DeWalt 36V battery packs)
- 9.2 kWh
- Electronics:
- Charger:
- 1.35 KW, 115 Vac @ 15 A
- Non-isolated from AC-line (traction pack is isolated from rest of vehicle during charging)
- Power Factor Controlled Step-up
- 80% DOD to charged in 9 hours
- Proprietary custom design
- BMS
- One module per set of parallel cells, with charge current pypass shunt
- A BMS controller, powered by vehicle aux 12 V, isolated from traction pack
- Proprietary custom design
- Controller
- Interfaces to BMS, charger, vehicle
- CAN interface to the vehicle
- Powered by vehicle aux 12 V
- Proprietary custom design
- Charger:
Team
- Carl Lawrence, chief & mechanics developnment - http://EnergySense.com, http://Otivia.com
- James Feeney, initial guidance
- Davide Andrea, electronics development - http://D-de.com, http://PartNumber.com
- Bill Dube', battery consultant - http://KillaCycle.com
Timeline
- Spring 2006 - initial explorations
- June 7 2006 - Hybrids Plus incorporated
- June 26 2006 - official start of work