Battery Nail Penetration Tester
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Battery Nail Penetration Tester is designed for evaluating the safety performance of lithium-ion batteries and battery packs under extreme internal short-circuit conditions.
The tester simulates thermal runaway caused by mechanical penetration by driving a rust-free steel nail through the center of the largest surface of the battery at a controlled speed and force. The test is conducted at an ambient temperature of 20 °C ± 5 °C, with temperature monitoring to assess battery reaction such as ignition, explosion or thermal instability.
Standards
(1) GB/T 18332.2-2001
General Specification for Lithium-Ion Batteries
(2) MT/T 1051-2007
Safety Performance Test Method for Lithium-Ion Batteries Used in Coal Mines
(3) GB/T 31485-2015
Safety Requirements and Test Methods for Power Batteries of Electric Vehicles
(4) GB/T 31241-2014
Safety Requirements for Lithium-Ion Batteries and Battery Packs for Portable Electronic Products
(5) UN 38.3
United Nations Manual of Tests and Criteria – Section 38.3 (Transport of Dangerous Goods)
(6) IEC 62133
Secondary Cells and Batteries Containing Alkaline or Other Non-Acid Electrolytes – Safety Requirements for Portable Applications
(7) UL 1642:2012
Standard for Lithium Batteries
Technical Parameters
| Parameter Category | Specification |
|---|---|
| Nail Diameter | ф2 mm – ф8 mm high-temperature resistant steel needle |
| Penetration Speed | 10 – 40 mm/s |
| Penetration Force | Approx. 2000 kg |
| Stroke | Approx. 200 mm |
| Needle Tip to Base Distance | 250 mm |
| Clamping Distance | 150 mm |
| Driving Mode | Hydraulic drive or motor drive |
| Force Display | Pressure sensing LED display |
| Test Environment | 20 °C ± 5 °C |
| Explosion-Proof Box Size (W × H × D) | Approx. 450 × 750 × 550 mm |
| Explosion-Proof Box Material | Galvanized steel with baked paint finish |
| Machine Dimensions (L × W × H) | Approx. 1640 × 570 × 730 mm |
| Control Box Size (W × H × D) | Approx. 300 × 260 × 170 mm |
| Equipment Weight | Approx. 75 kg |
| Power Supply | Single-phase AC 220 V, 50 Hz |
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