 NEW YORK OSLO, Norway LUXEMBOURG--BUSINESS WIRE--FREYR Battery NYSE: FREY FREYR, a developer of clean, next-generation battery cell production capacity, has hired three senior sales professionals to its Energy Storage System ESS sales team. Zukui Hu, Valentin Rota and Guillaume Mancini join FREYR from Tesla, where they contributed to the success and growth of the EMEA regional energy storage division over the last six years. At FREYR, they will be responsible for sales in the co 