【資料名稱】：豐田普銳斯插拔式混合電動車電池起火分析報告-A123

【資料作者】：Garrett P. Beauregard

【資料日期】：June 26, 2008

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

REPORT OF INVESTIGATION: HYBRIDS PLUS PLUG IN HYBRID ELECTRIC VEHICLE

In February, 2008, the Central Electric Power Cooperative, Inc. (CEPCI, Colombia, SC)
purchased a Toyota Prius and had it converted to a PHEV by Hybrids Plus (Boulder,
CO). This vehicle was designed to be a PHEV-15 meaning that it had a battery pack sized
to provide 15 miles of all-electric driving. To effect this conversion, Hybrids Plus
replaced the stock Toyota battery pack and replaced it with a higher-capacity pack
fabricated using lithium-ion cells purchased from A123 Systems (Watertown, MA).
On Saturday, June 7, 2008 a CEPCI engineer was driving the PHEV Prius. The reported
high temperature that day was 98F. After approximately 40 miles of highway driving,
The driver noticed a warning light on the Prius’s display screen and simultaneously
noticed that the combustion engine was operating at high rpm. He pulled the vehicle to
the shoulder, turned the car off and inspected the vehicle. At that time, he noticed an
acrid smell but attributed that to the high rpm operation of the engine. The driver
restarted the vehicle and pulled back onto the highway, accelerating quickly to achieve
highway speed. After another four-to-five miles, the driver again experienced a warning
light on the vehicle display (although the engine did not operate at high rpm this time)
and noticed a strong odor of burning material. He opened the windows and began to pull
over. When the windows were opened, a significant amount of smoke was pulled forward
to the driver’s area. The driver exited the vehicle and noted a fire at the right side in the

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