Renault and STMicroelectronics are to co-operate on design, development, manufacturing and supply to the automaker of the supplier’s products and related packaging solutions for the power electronics systems of battery-operated and hybrid vehicles.

The French manufacturer maintains the technologies will have significant impact on electric vehicles’ driving range and charging by reducing power losses and improving efficiency, which will result in lower battery costs, more kilometres per charge, shorter charging time and reduced user-cost.

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Renault and STMicroelectronics will work together with the objective of improving the power performance of Renault’s applications for electric and hybrid vehicles, based on STMicroelectronics’ wide bandgap semiconductor technologies and products.

The companies will collaborate on the development of right-sized and modular components based on the understanding of Renault’s technology needs for Silicon Carbide (SiC) devices and Gallium Nitride (GaN) transistors, along with related packages and modules. As Renault’s innovation partner, STMicroelectronics will benefit from volumes guaranteed for the annual usage of these power modules and transistors from 2026-2030.

“We are delighted to work with market leader, STMicroelectronics to integrate their advanced power electronics and to co-develop technologies to further improve the energy capacity of our electric and hybrid vehicle batteries and their performance on the road and when charging,” said Renault Group CEO, Luca de Meo.

“This partnership secures future supplies of key components, which will significantly contribute to reducing wasted energy by 45% and decreasing the cost of the e-powertrain by 30%, helping us fulfil our ambition of making electric vehicles affordable, profitable and popular.”

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For his part, STMicroelectronics president and CEO, Jean-Marc Chery, added: “ST is at the forefront of the development of advanced power semiconductors enabling the mobility industry to move to electrified platforms. With higher-efficiency products and solutions based on advanced materials such as Silicon Carbide and Gallium Nitride, we will support Renault Group’s strategy for its next generation of electric and hybrid platforms.

“ST and Renault share a common vision for more sustainable mobility. This partnership will be another step forward in the progressive decarbonisation process initiated by the mobility industry and its supply chain.”