These engineers acknowledged they raised the declare of affairs internally, nonetheless their issues were shrugged off by managers.
A Tesla spokesperson disregarded these comments as « pretend claims, » and strenuously denied the firm is birth dangerous batteries.
« The implication that Tesla would ever raise a car with a dangerous battery is in most cases erroneous, contrary to all proof, and composed from actuality, » the spokesperson wrote in an e-mail to CNBC.
The spokesperson also explained:
« Every battery in a Tesla vehicle has hundreds of cells, the massive majority of that are at the identical voltage ability as neighboring cells. Hypothetically, even though two cells of the identical voltage ability were touching, there might well well be entirely zero impact, safety or otherwise – it’d be as if two neutral gadgets of steel touched.
« Despite this truth, all Mannequin Three battery modules’ cell positions are measured twice in manufacturing to verify project control and tremendous of outgoing factors. Conversely, if at any point within the production project cells are touching at numerous voltage potentials, they can’t be electrically interconnected. Over the route of the production project, we conduct three numerous tests to assemble sure the honest quantity of cells are electrically linked in Mannequin Three modules. »
The 2 engineers also acknowledged that Tesla doesn’t abolish the identical extra or less « stress tests » of its Mannequin Three batteries which might well well be anticipated of numerous electronics or carmakers. Such tests can also relieve Tesla decide out if touching cells (or any numerous flaws) are show camouflage in its entirely assembled batteries, or if flaws rating or aggravate with exact-world employ.
Tesla countered that it tests batteries in a lot of different programs, « together with shock and vibration, and extreme temperature and humidity testing, as smartly as thermal biking patience testing in some unspecified time in the future of abolish and by technique of sampling in production. » The firm says this testing « is designed to forestall touching cells from being attach in in any of our autos. »
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