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Advanced Safety Tester

Lithium-ion secondary batteries are adopted wider applications in everything from consumer use to storage and automobiles, and there is greater interest not only in advancing performance testing but also in safety testing.

ESPEC designed the Advanced Safety Tester to perform multiple safety tests under precise temperature environments.

Specifications: 

Category Item Specifications (example)
Applicable battery Small capacity cells to laptop battery packs
Test chamber Temperature range -40 to 100°C
Temperature fluctuation ±0.3°C
Safety devices
  • Pressure release vent
  • Forced supply exhaust damper and duct flange
  • Heat detector, smoke detector, CO2 extinguisher, gas collector
Measurement control unit System Test chamber, nail penetration, crushing, external short circuit integrated system
Monitored items (Nail penetration, crushing) load, transfer distance, velocity, battery voltage, battery temperature
(External short circuit) battery voltage, battery temperature
Data output Monitored items can be saved to a CSV file
Crushing/nail penetration unit Size of mountable battery W245 × D215 × H180 mm
Load range 0.4 to 20kN
Velocity 0.1 to 50mm/sec.
Stroke 2 to 200mm
External short circuit unit Short circuit current 500A
Circuit resistance Resistance switching inside unit
(1) 5 mΩ or less (resistance short)
(2) 10 to 30 mΩ
(3) 80 to 100 mΩ

Features:

  • One unit with four functions. Introducing an all-in-one safety tester.
  • The function elements of the safety tester are in separate modules, enabling flexible system construction and expansion.
  • The combination of each unit enables support of batteries from small cells to large packs.
  • Constructed with an integrated system using a measurement control unit. This system provides central management of testing operations and minimizes complex operations for performing tests.
  • One-stop service provides enhanced product and service quality as well as speed.

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