文档介绍:Battery Pack Integration for Plug-In
Hybrid Vehicles
Plug-In 2008 Conference and Exhibit
San Jose, CA
July 22-24, 2008
Ahmad Pesaran, .
(ahmad_******@)
National Renewable Energy Laboratory
Golden, Colorado
With support from
Energy Storage Program (Tien Duong and Dave Howell)
Office of Vehicle Technologies
Energy Efficiency and Renewable Energy Office
. Department of Energy
NREL Activities
• Thermal analysis for proper design,
evaluation, and packaging of battery
modules/packs
*>°C *>°C
• Thermal imaging for evaluation and
diagnostics of battery modules
*<°C
*<°C
• Fluid and heat transfer
experiments for uniform
temperature distribution and low
parasitic power designs in battery
packs
• Thermal characterization using
calorimeter for measuring
cell/module heat generation
1
NREL Activities
BatteryModel Terminals
Re Rt=f(T, SOC)
=f(T, SOC) Rc
=f(T, SOC) Power request
limited by
Cb=f(T)
Vmax, Vmin
• Power testers and EIS =f(T)
establishing electrical performance
for modeling
• Modeling and simulation of battery
and/or ultracapacitor and concepts
for advanced vehicles using
ADVISOR and PSAT
• Benchmarking prototype and
production battery packs at lab and
on dynamometer
• Thermal abuse modeling of Li-ion
cells and propagation from cell to
cell in a module
Topics to Review
• Differences between HEV and PHEV battery pack
• Integration
• Mechanical Discussion battery
• Packaging integration issues for
PHEVs to improve
• Monitoring/Control performance, cost,
• Electrical Achilles heel reliability, safety, and life
• Thermal of batteries of the system
• Safety
• Interface
• State-of-the-art (examples)
• Modeling tools
2
Terminology
What Is in a Pack?
Battery
Cells