Mitsubishi i-MiEV Emergency Response Manual page 23

Case 7
The Main drive lithium-ion battery is severely damaged
1) If the Main drive lithium-ion battery is severely damaged, the Main drive lithium-ion battery must be
discharged by soaking in water
Follow the instructions below to discharge the Main drive lithium-ion battery.
WARNING:
Failure to follow these instructions may result in serious injury such as electric shock:
 The Main drive lithium-ion battery is designed to prevent a substantial amount of electrolyte
from leaking from the battery case even in the event of rupture.
 The Main drive lithium-ion battery uses an electrolyte made of flammable "Carbonate ester
solution of lithium salts", which produces toxic acid vapor when reacting with moisture in the air.
 To handle the electrolyte, wear a mask for organic gas, solvent resistant gloves and eye
protection (safety glasses) to avoid exposure to potentially harmful substances.
 Physical damage to the vehicle or the Main drive lithium-ion battery may result in immediate or
delayed release of toxic and/or flammable gases and fire.
① Transport the vehicle on a flatbed truck to an open space large enough to prevent fire from
spreading in case of a vehicle fire. (For vehicle loading procedures, refer to Page 26.)
② After the damaged vehicle is loaded on a flatbed truck, inspect for leaking electrolyte from the
vehicle. If you find any leakage, use an absorption mat or sand to absorb spilled electrolyte to
prevent it from spreading further.
③ Used absorption mat or sand shall be properly disposed as an industrial waste according to
state and/or local regulations.
④ Carry a fire extinguisher during transportation in case of fire. For enhanced safety, always
have a tow truck loaded with a damaged vehicle followed by another support vehicle for
monitoring.
⑤ Proceed to the Main drive lithium-ion battery discharging procedures immediately after
transporting a damaged vehicle.
⑥ If it is not possible to proceed to the Main drive lithium-ion battery discharging procedures
immediately, place the vehicle in an open space away from any structure or vehicle, and
continue to monitor the vehicle until the discharging procedures are completed and the risk of
fire is eliminated. If you detect leaking fluids, sparks, smoke, flames, increased temperature,
gurgling, popping or hissing noises from the high voltage battery compartment, notify the Fire
Department. Ensure area is clear around the vehicle. If possible, open windows to avoid
potential gas build-up.
to reduce the risk of electric shock or fire.
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