Page 294 - B2B all year round_UPDATE 5

Battery 2 nd Life system for Smart city Redesigning energy on earth

The idea of using safe ESS is possible by electric vehicle batteries

Summary of Enforcement Rules for Automobile
Safety Standards-Driving Battery

Testing Items Testing Method
Drop Safety Test 4.9M Free Drop

Liquid input safety test 1 hour immersion in 0.6 mol brine
Overcharge safety test SOC 150% Overcharge

Over discharge Safety test 1C Over Discharge at SOC 0%
Short circuit after circuit configuration
Short circuit safety test
below 50mOhm
Heat exposure Safety test 80 Chamber 4 hours Exposure
2 minutes Direct heating in 890~900
Combustion Safety test
degree

Electric vehicle battery is safer and more efficient than stationary ESS batteries.
It is suitable for use as an ESS in urban areas such as Korea, Singapore, Hong
Kong and New York.