{"id":5623,"date":"2023-04-11T16:50:03","date_gmt":"2023-04-11T08:50:03","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=5623"},"modified":"2023-09-01T13:53:38","modified_gmt":"2023-09-01T05:53:38","slug":"ele5719","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/ele5719\/","title":{"rendered":"Battery Tab Testing Standards"},"content":{"rendered":"

Battery Tab<\/a>Electrolyte penetration test after immersion<\/strong><\/p>\n

Reference: Technical requirements for electric vehicles and ESS battery cells by a Japanese electric vehicle battery manufacturer.<\/p>\n

The electrolyte is immersed at 65\u2103\u00d728 days, and the glass strength of the wafer rubber and metal conductor is required to be >15N\/15mm.<\/p>\n

In summary: the minimum standard for measuring the electrolyte resistance of domestic electric vehicle electrode ears is: 1.85\u2103\u00d724 hours of electrolyte immersion, requiring the glass strength of the welding piece rubber and the metal conductor PeelStrength>15N\/15mm; 2.85\u2103\u00d724 hours of electrolyte immersion, the penetrant cannot penetrate into the gel.<\/p>\n

\"\"

Battery tab bending test<\/strong><\/p>\n

Thickness < 0.2mm: Aluminum and nickel plates \u2265 7 times; nickel-plated copper plates \u2265 6 times;<\/p>\n

When the thickness is \u22650.2mm: aluminum, nickel, nickel-plated copper plate \u22655 times;<\/p>\n

Complies with vibration and fatigue toughness tests for electric vehicle power applications.<\/p>\n

Copper nickel-plated power lugs - coating adhesion test<\/strong><\/p>\n

Requirements: The electroplating layer should not turn black.<\/p>\n

In the case of long-term high current, driving vibration, etc., the electroplating performance is insufficient, which will:<\/p>\n

Inside the iron core \u2013 the coating peels off onto the pole piece \u2013 micro short circuit \u2013 self-discharge;<\/p>\n

Core exterior \u2013 PACK weld plating is loose \u2013 high contact resistance \u2013 or welding is falling off.<\/p>","protected":false},"excerpt":{"rendered":"

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