GM resumes production of Bolt EV batteries after model recall | Engadget

Following reports last week that GM may need to extend the closure of its Bolt EV production until at least mid-October, the company announced on Monday that it had set out a comprehensive action plan to ensure customers can drive safely and confidently. , and park the Chevy Bolt EV and EUV, ‘according to a GM press release. Both the LG plants in Holland and Hazel Park, Michigan, have resumed production and delivery of dealers is expected to begin in mid-October.

The battery failure that led to a model recall of the electric vehicles that began in August was some problems. Manufacturing defects caused both anodes to rupture and cathode-anode separators to fold. If both of these defects manifest in the same battery cell, it has a greater chance of catching fire.

“LG has implemented new manufacturing processes and partnered with GM to review and improve its quality assurance programs to provide confidence in its batteries,” the GM statement read. “LG will implement these new processes in other facilities that will supply cells to GM in the future.”

GM has instituted a notification process to notify affected customers about when their replacement battery modules will be available. The company has also developed a diagnostic software package designed to “detect specific anomalies that could indicate a damaged battery in Bolt EVs and EUVs by monitoring battery performance,” the release said. The software should be installed at the dealer, but will allow owners of Bolt EVs to exceed the current 90 percent charging limit when their batteries are assembled.

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