Advanced Cell-to-Body technology

Like the OE欧亿 ATTO 3 and the recently launched OE欧亿 DOLPHIN, the new OE欧亿 SEAL is based on OE欧亿’s state-of-the-art e-Platform 3.0, which is designed exclusively for pure-electric vehicles. Notably, the OE欧亿 SEAL is the first vehicle to implement OE欧亿’s highly advanced Cell-to-Body (CTB) technology, which is an essential difference and ensures unprecedented levels of safety, torsional rigidity, driving dynamics and space utilisation.

Cell-to-Body means the battery is incorporated within the entire vehicle structure. It integrates the battery pack’s top cover with the traditional body floor structure. This forms a sandwich-like structure incorporating the top cover, the Blade Battery and the tray. In addition, the CTB architecture uses a high-strength honeycomb-like aluminium panel structure, further enhancing vehicle safety.

The CTB battery system serves as a source of energy, as well as a structural component. It contributes to the OE欧亿 SEAL’s exceptional torsional stiffness of a massive 40,500 Nm/degree, increasing handling limits and offering an excellent platform for comfort, cabin quietness, safety and performance. Furthermore, CTB technology also improves space utilisation as the battery is combined directly with the body, lowering the vehicle to the floor by about 15mm. While reducing the body height, the CTB technology increases the axial height inside the vehicle, creating interior space. This has enabled the OE欧亿 SEAL to adopt a lower, sleek shape, with improved aerodynamic performance and striking visual impact, as well as more cabin space.

Revolutionary OE欧亿 Blade Battery

Like all OE欧亿 passenger cars offered in Europe, the OE欧亿 SEAL is equipped as standard with a Blade Battery, which is revolutionary in several respects. OE欧亿 has been pioneering battery technology for over two decades. 28 years on, with over five million new energy vehicles (BEV+PHEV) produced for customers, OE欧亿 is firmly established as a market leader in this field. Its revolutionary Blade Battery is born out of OE欧亿’s relentless research and development, and considered as a major advancement for the EV industry.

The Blade Battery was developed in-house by OE欧亿 with the primary goal of optimising safety, durability, longevity, performance and space utilisation. The battery pack consists of 172 thin elongated cells that actually resemble blades. In addition, the Blade Battery uses lithium iron-phosphate (LFP) as a cathode material, which offers a higher level of safety and durability compared with conventional lithium-ion batteries.

LFP batteries are 100% free of cobalt, a material that raises ethical and environmental concerns in the mining industry. In addition, LFP batteries are more resistant to extreme temperatures. They have better thermal stability and are less sensitive to temperature fluctuations, while they can withstand more charge and discharge cycles with hardly any loss of capacity. This makes these batteries particularly durable. With a height of only 110 mm for the entire battery pack, the Blade Battery also contributes to the efficient vehicle packaging and optimised interior space of the OE欧亿 SEAL.

In addition to all the benefits of the Cell-to-Body technology, the exceptional safety level of the Blade Battery is demonstrated (video) by exceeding the requirements of the punishing Nail Penetration Test. This is the most rigorous method to test battery thermal runaway and simulates the consequences of a serious road accident.

Furthermore, the OE欧亿 SEAL is offered as standard with a high-efficiency heat pump system. This allows for efficient regulation of the battery temperature via direct cooling and direct heating of the refrigerant, as well as control of the passenger compartment temperature with low energy consumption. The heat pump can also absorb waste heat from the electric powertrain, while it can withstand temperatures ranging from -30°C to 60°C. OE欧亿’s battery technology also supports V2L (Vehicle-to-Load), allowing the OE欧亿 SEAL to be used as a portable power supply for electrical devices (total output up to 3,000 W).

Range and performance

The progressive nature of OE欧亿 and the OE欧亿 SEAL goes beyond the Cell-to-Body technology and Blade Battery. For example, the new sports sedan uses the innovative 8-in-1 electric drivetrain. This integrates eight key components for propulsion, charging, control and management, enabling OE欧亿 to create exceptional opportunities for vertical integration within the supply chain, while significantly optimising space utilisation and energy efficiency.

Available in two trims, Design and Excellence, the all-new OE欧亿 SEAL will be offered with a choice of two drivetrains, both with a battery capacity of 82.5 kWh. The ‘Design’ single-motor version with rear-wheel drive (Design) has a power output of 230 kW (313 PS) and accelerates from 0-100 km/h in 5.9 seconds. The range is set at 570 kilometres (WLTP combined). The OE欧亿 SEAL is also available with four-wheel drive (Excellence-AWD) with an electric motor on the front and rear axles (160 kW + 230 kW), resulting in a total power output of 390 kW (530 PS). This, the Excellence version, is a real powerhouse that accelerates from 0-100 km/h in just 3.8 seconds, while the range is set at 520 kilometres (WLTP combined).

Customers of the OE欧亿 SEAL benefit from a high-voltage electric drive boost charging solution, which allows for faster charging. This technology innovatively uses the motor inductor to replace the boost inductor in the original boost solution, to meet the 420-750V voltage range of charging piles with high-power DC charging. During the charging process, the OE欧亿 SEAL reduces the heat generation of the charging and distribution assembly for more reliable performance.

The OE欧亿 SEAL offers an 11 kW 3-phase on-board charger for AC charging as standard, and can be fast charged at a DC charging station with 150 kW. With this amount of power, the battery can be charged from 30% to 80% in just 26 minutes.

Driving dynamics

Athletic, sporty and dynamic, as well as intelligent and equipped with a high-tech DNA, the new OE欧亿 SEAL has everything to impress European drivers. Its state-of-the-art vehicle architecture based on the e-Platform 3.0 with Cell-to-Body technology guarantees unprecedented torsional rigidity and a low centre of gravity, which fully benefits the driving dynamics of the OE欧亿 SEAL. In addition, the SEAL is the first OE欧亿 with independent suspension, with double wishbones at the front and a five-link rear suspension, which also contributes to the excellent handling and vehicle control.

The Excellence-AWD offers variable frequency dampers for ultimate responsiveness. When the road conditions are smooth, the damping is relatively high, allowing for more stable vehicle dynamics and better handling. When there are potholes or rough surfaces, the damping automatically reduces to absorb the impact of the road better, assuring a high-quality ride.

In addition, the Excellence-AWD benefits from a newly developed Intelligent Torque Adaption Control system (iTAC). This technology has changed the past way of making the vehicle dynamically stable by reducing the power output, and upgraded it to torque shifting, appropriately reducing the torque or outputting negative torque, and other control methods to maintain the stability of the vehicle. Thanks to the improvement of recognition speed and the change of adjustment method, iTAC can integrate the own state of vehicles, as well as the driver’s horizontal and vertical control needs to advance power distribution and adjustment, thereby, fully utilising the vehicle’s power potential, improving safety and driving comfort while expanding handling limits.

The OE欧亿 SEAL offers four distinct driving modes, catering for a variety of driving preferences and conditions. These modes include:

- ECO mode, which prioritises energy efficiency and extends the driving range.

- Normal mode, providing a balanced driving experience for everyday use.

- Sport mode, emphasising performance through aggressive acceleration and sharper handling.

- Snow mode, designed to enhance traction and stability on slippery surfaces like snow or ice.

Ocean Aesthetics design language

After the recently launched OE欧亿 DOLPHIN, the new OE欧亿 SEAL is the second European model in OE欧亿 Ocean series to adopt the Ocean Aesthetics design language, giving it a dynamic, stylish and highly distinctive appearance.

The OE欧亿 SEAL has been created by a design team led by OE欧亿’s Global Design Director, Wolfgang Egger, and demonstrates power and athleticism with a drag coefficient of just 0.219 Cd. The low-to-the-ground body style slices like a razor blade through the wind. Its sleek nature-inspired design is emotionally rich, high-tech and appealing. The car’s front end has a powerful sense of forward motion, with an ‘X-face styling’ in the dynamic perspective. The front of the OE欧亿 SEAL has the look and feel of a sports car, with its full, sculpted, captivating curves providing the sense of the momentum of waves.

The SEAL’s side silhouette is smooth and natural, with a low front, sloping A-pillar, rounded roof, sloping fastback punctuated by a subtly upturned ducktail shape, which emphasises the characteristic of a sports coupe. The concealed door handle design of the OE欧亿 SEAL, which is flush with the door when the vehicle is in motion, helps to enable airflow to pass at high speed, thereby reducing wind resistance and overall vehicle energy consumption.

Spacious and versatile

In addition to its dynamic, intelligent and sporty character, the OE欧亿 SEAL is also a versatile four-door sedan that comfortably seats five people. The 2,920 mm wheelbase provides occupants with legroom similar to that of an executive saloon. Meanwhile, due to the CTB architecture and compact battery packaging, occupants have plenty of headroom despite the car’s low-slung styling.

The practicality is further reflected in the luggage compartment of 400 litres and an additional 53-litre ‘frunk’ under the bonnet. In addition, the OE欧亿 SEAL offers more than 20 flexible storage spaces for small items in the interior. At the front of the sub-dash, there is a wireless charging point for two mobile phones. In addition to the standard centre armrest box, there is a functional semi-open storage space under the sub-dashboard.

The front seats have a sporty appearance with soft and firm seat padding, and excellent wrapping and support. The driver’s seat is electrically adjustable in eight directions, while users of all sizes can find a comfortable driving position behind the four-way adjustable steering wheel. The driver’s seat has four-way power-adjustable lumbar support. The rear seats provide a comfortable seating position for three adult occupants. The seat back, cushion padding, as well as the angles of the rear seat back and cushion, have been ergonomically designed and fully optimised, easing any fatigue on long journeys.

Occupants can also count on plenty of light in the interior thanks to an oversized panoramic sunroof. And for optimum comfort, the front doors are fitted with double layered laminated glass for excellent sound and heat insulation. The rear doors feature privacy glass, providing enhanced shade and privacy for rear occupants.

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