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Ferrari’s first totally electtric mannequin, the Elettrica, utilises a structural battery pack, making the large-capacity 122kWh unit an integral a part of the chassis somewhat than a separate part mounted beneath the ground.
This method aligns with Ferrari’s philosophy for electrification, which focuses on reaching optimum rigidity, weight distribution and driver management.
In most electrical autos (EVs), the battery sits in a body that’s bolted to the physique, however within the Elettrica it’s constructed immediately into the aluminium construction and connected at 20 factors that join it to the automobile’s load paths.
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Ferrari claims the design enhances total stiffness whereas decreasing the centre of gravity by roughly 80mm in comparison with an equal internal-combustion mannequin.
About 85 per cent of the battery’s weight is situated below the ground, with the remaining modules positioned behind the seats to maintain mass centralised and the wheelbase brief. The ensuing front-to-rear weight distribution is 47 to 53 per cent.
The battery makes use of a dual-shell aluminium housing with built-in cooling plates. This skinny shell types a part of the chassis, contributing to total torsional rigidity. The bottom incorporates energy-absorbing gaps to guard towards impacts from beneath, whereas aspect buildings between the cells and sills act as crumple zones.
Cells are suspended from the ground to scale back publicity to impression, whereas cooling strains are routed by the aspect gaps to help thermal administration and keep low weight.
The pack consists of 15 modules containing a complete of 210 SK On nickel-manganese-cobalt (NMC) cells (14 every), rated at 159Ah. The configuration includes six dual-row modules, one single-row module and two higher modules.
Every module options inside cooling channels, conductive partitions, and thermal paste for enhanced warmth switch. Built-in inside each module is a versatile PCB and a devoted Cell Supervisory Controller that communicates with Ferrari’s proprietary Battery Administration System (BMS).
Each the BMS and its governing algorithms are developed in-house. The system, together with fuses, relays and sensors, is contained inside the E-Field, which additionally manages communication throughout the automobile community.
The battery operates at 800 volts and might ship as much as 1200 amps of peak present. A 3-millisecond fuse cut-off protects towards short-circuits exceeding 2000A. The continual present ranking is 550A. The pack achieves an power density of about 195Wh/kg and an influence density of 1.3kW/kg.
Three liquid-cooled plates keep cell temperatures. Two are fastened to the housing, and one smaller plate cools the higher modules. The system circulates coolant by each provide and return channels in every plate to make sure uniform temperature throughout all modules.
The battery was designed for full serviceability. It may be eliminated utilizing a devoted service, permitting particular person modules or electronics to get replaced with out affecting the automobile’s construction. This helps Ferrari’s Ceaselessly upkeep program, making certain the Elettrica stays serviceable all through its life.
Ferrari Elettrica battery specs:
| Specification | Element |
|---|---|
| Sort | Structural lithium-ion NMC battery |
| Provider (cells) | SK On |
| Complete capability | 122kWh |
| Modules / cells | 15 modules, 210 cells |
| Cell capability | 159Ah |
| Voltage | 880V (most) |
| Peak present | 1200A |
| Steady present | 550A |
| Fuse cut-off time | 3ms above 2000A |
| Vitality density (pack) | ~195Wh/kg |
| Vitality density (cell) | >305Wh/kg |
| Energy density | ~1.3kW/kg |
| Mounting factors | 20 |
| Centre of gravity | 80mm decrease than the equal ICE mannequin |
| Cooling | Three liquid-cooled plates built-in with the automobile system |
| Weight distribution | 47% entrance / 53% rear |
| Replaceable modules | Sure, 15 individually serviceable |
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