GM’s Way of Testing Batteries at the Warren Tech Plant

GM Batteri=y Testing Lab Warren

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Chevrolet headed by GM is trying to get into the race of the Fuel Free cars or electric cars market and with their Chevy Bolt EV, they actually have made a standing in the Electric car market. But we all know that Chevy has a long way to go in this sector considering what the competition has already accomplished till now. A successful electric vehicle needs a battery packed with energy, a fast-charging mechanism, and lower battery costs. All these features will convince the consumer to go for an electric vehicle rather than an internal combustion engine. Yet there remain doubts in the minds of several consumers out there.

Chevrolet Bolt EV Battery Placement
Chevrolet Bolt EV

The main worry about any EV a consumer has the safety of the car. Lithium-ion batteries can go through various failures, as seen in smartphones and other battery-operated electronic items, raising concerns serious enough for users to consider. EVs nowadays come packed with batteries inside the floor of the car for better weight distribution ration of the car. Apart from this, the battery could heat up and malfunction at any point frightening the consumer even more. And it’s hard to ignore how some batteries have flared back up and extinguished on some occasions.

General Motors have dedicated a special team to ensure that the batteries used by GM are as safe as possible for consumers. GM tests its batteries in several ways and in a recent interview of Doug Drauch, who is the lead engineer in testing the lithium-ion batteries at GM’s plant, with Design News he specified some methods of how GM tests their batteries. GM runs these tests in the Global Battery Systems Lab which is located in Warren, Michigan. This lab is the state of the art lab for GM to test lithium-ion batteries with more than 40 different battery test stations which charge and discharge the batteries. This station replicates the behavior of an EV by charging and discharging the battery with respect to how an EV does. Furthermore, these stations test the battery in different drive profiles just to see how will the battery perform in different terrains and different driving modes.

Global Battery Testing Plant at Warren
Global Battery Testing Plant at Warren

The most important thing these stations do is develop the algorithm that shows the batteries state and percentage charged. According to Drauch the algorithm that they have developed can’t be just installed by any local car repair shops as the software is developed by the company keeping more than a hundred variable factors that may affect the life of the battery. Coming second after safety, consumers like to know beforehand the range of the EV they are going to buy. The fluctuating range of the vehicle’s range concerns consumers more than anything in terms of going for an electric vehicle.

One other feature that we like about the Global Battery Systems Lab is the 18 different climate chamber rooms which help in testing the battery life in extremely cold and warm temperatures. All in all the test station is equipped with everything to do as much R&D as required to give their consumers the best product.

Another EV car GM introduced was the Chevy Volt which got discontinued after the official update of Gm in November 2019. The discontinuation of the EV happened because of the car not meeting the sales target set by GM.

GMC Hummer Electric
GMC HUMMER EV brings bold design and remarkable capability to the electrified vehicle space.

Soon GM is going to stop working in the BEV2 battery pack which comes standard in the Chevy Bolt EV and start their next project which is unsurprisingly called BEV3. This next-generation will power various EV projects of GM such as the new GMC Hummer EV pickup truck. According to Design News, the new next-gen battery pack will come with different cell capacities such as 6, 8, 10, 12 or 24.

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