Microvast successfully completes XFC project

US battery manufacturer Microvast announced the successful outcome of its extreme fast charge (XFC) project, funded in part by the U.S. Department of Energy.

The stated goal of this XFC project was to deliver a lithium-ion automotive format pouch cell for EVs capable of exceeding 500 cycles while charging in less than 10 minutes and delivering at the start of life >180 Wh/kg of stored energy after a 10-minute charge. Working together with the Argonne National Laboratory and BMW, Microvast deliver “a 35 Ah, 240 Wh/kg pouch cell using layered metal oxide and graphite chemistry to the US DOE National Lab for independent testing. The XFC cells were tested using a 10-minute fast charge (returning approximately 80% state-of-charge) and 1C discharge at 30ºC. Under these conditions, the XFC cells delivered over 1,700 cycles before reaching end of life, which exceeded the stated goal of the life cycle of the project’s prototype cells by 3.4X”.

“Microvast’s development efforts aim to excel in safety, long life, and fast charging batteries and these test results highlight our expertise and commitment to enabling technologies,” said Dr. Wenjuan Mattis, Microvast’s Chief Technology Officer, adding: “Through this key technology we are excited to further partner with and support the automotive industry on its way to electrification. We are grateful for the support provided by the Vehicle Technology Office during this project, and we look forward to implementing our findings into future cells produced at Microvast’s manufacturing facility in Clarksville, Tennessee.”

microvast.com

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