BYD Company
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Wikipedia[1]: 'The formal public launch event was held on 29 March 2020' (broadcast by Shenzhen Television); InsideEVs[4] and The Machine Maker[2] report the same launch.BYD unveiled the Blade Battery, a long thin lithium-iron-phosphate cell, on 29 March 2020, showing it passing a nail-penetration test without smoke or fire; the Han EV was the first car to use it.
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