Renault aims to reduce costs for batteries and electric cars by 20 to 40 percent

Cheaper vehicle batteries Renault aims to reduce costs for batteries and electric cars by 20 to 40 percent

2024-07-05 From Susanne Braun | Translated by AI 2 min Reading Time

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The Renault subsidiary Ampere presents an ambitious plan to reduce the cost of a electric vehicle's battery while at the same time bringing stability to the electric mobility business. On one hand, LFP technology will be used in addition to NCM batteries in the future; on the other hand, the cell-to-pack technology will contribute to cost reductions.

Renault and Ampere aim to reduce the cost of the vehicle by nearly 40 percent by the next vehicle generation.(Image: Ampere) — Renault and Ampere aim to reduce the cost of the vehicle by nearly 40 percent by the next vehicle generation.
(Image: Ampere)

On July 1, 2024, the Renault subsidiary Ampere presented a new battery strategy for the group, aiming to reduce the cost of manufacturing vehicle batteries for electric cars. This, in turn, should also reflect in the cost of the vehicle and help advance electromobility in Europe.

Initially, in addition to the Nickel-Cobalt-Manganese batteries (NCM) used so far in the Renault Group, the cheaper Lithium-Iron-Phosphate batteries (LFP) are also intended to be used. To implement this change as quickly as possible, Ampere is already working closely with its suppliers LG Energy Solutions and CATL to establish an integrated value chain in Europe. This is expected to bring additional stability to battery production. The goal is to make the production of LFP technology maximally competitive for Renault and Alpine vehicles manufactured in Europe by 2030.

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Ampere collaborates with four battery partners in Europe to implement the strategy.(Image: Ampere)

The plans also aim to establish a robust and stable battery value chain in Europe.(Image: Ampere)

Lower battery costs due to Cell-to-Pack

Cell-to-Pack (CTP) is a technology in battery manufacturing where battery cells are integrated directly into the battery pack without the detour via modules. Traditionally, battery cells are first installed in modules and these modules are then integrated into a battery pack. CTP eliminates this intermediate step by mounting the cells directly in the pack.

In collaboration with LG Energy Solutions, the Ampere teams are working to implement CTP in pouch cells. These cells, in turn, offer an attractive combination of flexibility, high energy density, and low weight, making them particularly suitable for modern, space- and weight-sensitive applications. From the beginning of 2026, Ampere aims to reduce the costs of batteries for Renault Group vehicles by about 20 percent.

Overall, Renault relies on four battery partners for these plans. In Douai, France, AESC produces NCM batteries, and these are complemented by NCM batteries from an LGES factory in Poland and a Verkor factory in Dunkerque. The LFP technology comes from a CATL factory in Hungary and an LGES factory in Poland. The batteries are finally assembled in the Ampere ElectriCity in Douai.

By the next generation of vehicles, Ampere wants to reduce costs by 40 percent, explains Josep Maria Recasens, Chief Operating Officer of Ampere. Philippe Brunet, SVP Powertrain and EV Engineering at Ampere, underscores the ambitions with "We are working intensively to involve our partners early in the forthcoming change, especially with our battery cell research facility, which starts in Lardy in 2025." (sb)

Link: Ampere Press Release

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