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Stellantis Revealed All Platforms It Will Use For Its Electrification Plans

The Stellantis EV Day 2021 was a rich event about its electrification plans. Apart from revealing what each of its 14 brands wants to do with battery packs and electric motors, it also helped people make fun of the EV slogans each brand chose. However, the EV Day 2021 has much more to offer, such as an overview of its electric platforms. There will be four of them, combined with three electric drive modules (EDMs).
Check All Four New Stellantis EV Architectures 7 photos
Photo: Stellantis
Check All Four New Stellantis EV ArchitecturesCheck All Four New Stellantis EV ArchitecturesCheck All Four New Stellantis EV ArchitecturesCheck All Four New Stellantis EV ArchitecturesCheck All Four New Stellantis EV ArchitecturesCheck All Four New Stellantis EV Architectures
Instead of calling them SLTP Small and Medium, Stellantis decided to give them a more distinctive name. They will be called STLA, which is weirdly similar to Tesla’s sticker in the stock market (TSLA).

Stellantis will have the STLA Small, STLA Medium, STLA Large, and the STLA Frame for its EVs. As the image above shows, the STLA Small will have a range of battery packs starting with 37 kWh up to 87 kWh – for a range of 500 kilometers (300 miles). The STLA Medium will have battery packs from 87 kWh up to 104 kWh. The largest one will offer a range of 700 km (440 mi).

Both the STLA Large and the STLA Frame offer the same maximum range: 800 km (500 mi). However, they will achieve that with very different battery packs. While the largest one for the STLA Large architecture is 118 kWh (the smallest is 101 kWh), the STLA Frame will present battery packs of more than 200 kWh. Not only because body-on-frame structures are heavier but also because of what they are more suited to do: carry heavy loads.

Check All Four New Stellantis EV Architectures
Photo: Stellantis
The STLA Large platform will see eight new vehicles emerge in the next five years. The STLA Frame promises something that is intriguing, to say the least: a REPB – or a Range Electric Paradigm Breaker. While some think that’s just a fancy name for a range-extender option, it may be something more elaborate. What comes to mind is the use of fuel cells, such as the Nikola Badger proposed to no avail.

As we already said, these four platforms can present multiple combinations of three EDM. These electric drive modules include the motor, gearbox, and inverter. The entry-level develops 70 kW (94 hp) and works with 400V. The intermediate EDM uses the same voltage and produces from 125 kW (168 hp) up to 180 kW (241 hp). Only the top EDM can cope with 400V or 800V, a competitive advantage that Hyundai and Kia already offer in more affordable vehicles – respectively, with the Ioniq 5 and the EV6. This module goes from 150 kW (201 hp) up to 330 kW (443 hp).

Stellantis stated that they work for front-drive, rear-drive, all-wheel drive, and 4xe configurations. That said, we can imagine Stellantis will be able to offer from an A-segment city car with 70 kW and a battery pack of 37 kWh up to a truck beast with 660 kW and more than 200 kWh to run.

Check All Four New Stellantis EV Architectures
Photo: Stellantis
Each of these architectures can support up to two million units per year. Theoretically, Stellantis can deliver eight million EVs when they are at full steam. To help Stellantis have access to that many batteries, the company already stated it would start using two chemistries by 2024: one with high energy density and an alternative free of nickel and cobalt.

Only two current chemistries fit the bill: nickel-rich NMC cells and LFP batteries. Both are already in use by other automakers, making us wonder if 2024 is not too late for Stellantis to make such a move. The company also said it expects to sell cars with solid-state batteries by 2026. Other automakers promised to do the same earlier, such as Toyota and Volkswagen.
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About the author: Gustavo Henrique Ruffo
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Motoring writer since 1998, Gustavo wants to write relevant stories about cars and their shift to a sustainable future.
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