No rupturing or combustion due to an internal short
High level of safety with no rupturing or combustion due to internal shorts
TAIYO YUDEN's capacitors do not contain oxygen (oxides) as a component element, so heat is only produced through Joule heating due to the stored electrical charge. Thermal runaway caused by a chemical reaction does not occur. Therefore, there is no risk of energy loss or combustion in conjunction with the discharge of electrical charge.
Electric Double-Layer Capacitors nail penetration test
Test method: charge at 2.7V and vertically pierce the center of the cell with a φ3 mm nail
Standard: no rupturing or combustion
Test result: safety valve opening, no bulging