Electric Cars

Geely is on the cusp of introducing a revolutionary solid-state electric vehicle battery, projected to achieve an extraordinary energy density of 500 Wh/kg. This advancement could fundamentally alter the landscape of electric transportation, offering unprecedented range and efficiency. The company is actively testing these advanced cells in real-world conditions, with plans to initiate a pilot deployment across its diverse portfolio of brands by 2027. This innovative battery technology stands to double the energy capacity per kilogram compared to the best lithium-ion batteries currently available in electric vehicles, signaling a monumental leap forward in battery development.

The significance of a 500 Wh/kg energy density cannot be overstated. Current leading high-nickel NMC cells in production electric vehicles typically offer between 250 to 300 Wh/kg at the cell level, while LFP cells, common in more affordable EVs, provide even lower densities. When these cells are integrated into modules and battery packs, the overall energy density per kilogram decreases further. For instance, Zeekr's advanced "Golden Brick" LFP pack achieves approximately 128 Wh/kg at the pack level. Therefore, Geely's proposed 500 Wh/kg solid-state cell represents not just an incremental improvement, but a doubling of energy density, a feat that would redefine electric vehicle performance metrics.

Such a substantial increase in energy density holds profound implications for electric vehicle design and capabilities. Manufacturers could either maintain the current range while effectively halving the battery's weight, or keep the battery weight constant and drastically extend the vehicle's range. A lighter battery pack, in turn, allows for a lighter overall vehicle, reducing the need for heavy structural components and potentially requiring less battery capacity to achieve desired performance benchmarks. This cascading effect would lead to more efficient and agile electric vehicles. Geely’s strategic focus is on leveraging this technology to achieve extended range, asserting that vehicles equipped with these cells will boast a driving distance comparable to diesel-powered cars, exceeding 1,000 km on a single charge, along with an impressive lifespan of up to 1 million km.

This pioneering battery development is spearheaded by Geely Holding, the parent company overseeing a consortium of automotive brands including Geely, Zeekr, Lynk & Co, Volvo, Polestar, Lotus, and Smart. Real-world validation began in 2026, with the pilot deployment across these brands scheduled for 2027. Geely has also partnered with Dow Chemical, which has developed a specialized adhesive for these solid-state cells, capable of maintaining stability across extreme temperatures ranging from –40 °C to 120 °C. This partnership addresses one of the critical challenges in solid-state battery chemistry—temperature stability—underscoring the practicality and robustness of Geely’s approach. This initiative builds upon Geely's earlier commitment in January to produce its first in-house solid-state pack for testing on an existing EV platform, with the 500 Wh/kg target marking the next ambitious phase of this program.

While the prospect of a pilot deployment in 2027 is exciting, it is crucial to distinguish this from mass market availability. A pilot production line confirms the ability to consistently manufacture cells in low volumes, but scaling up to mass production at a cost viable for consumer vehicles, such as a $30,000 car, presents a distinct set of challenges. Geely has yet to announce a timeline for mass production. Furthermore, specific details regarding the battery's chemistry, such as whether it employs a sulfide or oxide electrolyte or the nature of its anode, remain undisclosed. Inconsistencies also exist in Geely’s internal communications regarding whether the 500 Wh/kg figure pertains to the cell level or the pack level, and independent data verifying the million-kilometer cycle life claim is still pending. Geely is not alone in targeting the 2027-2028 timeframe for solid-state battery pilots; other major industry players like CATL, BYD, and Toyota are also aiming for similar milestones, suggesting a competitive race towards this next-generation battery technology.

The arrival of a durable and economically viable 500 Wh/kg cell, whether from Geely, CATL, or another innovator, promises to fundamentally redefine the capabilities of electric vehicles. This breakthrough would enable either 1,000 km of range or significantly lighter vehicles with comparable range, marking the kind of transformative leap necessary for widespread electric adoption across all forms of ground transportation. Despite previous disappointments in solid-state battery development, the current pace of innovation suggests that a new era for EV batteries is rapidly approaching. There is a palpable sense of cautious optimism that these advancements will soon move beyond pilot projects and into mainstream application.

Tatra Trucks, a respected Czech manufacturer known for its robust off-road vehicles, has officially revealed its inaugural electric truck, the Tatra Force e-Drive BEV 8x8. This vehicle, currently a prototype, builds upon the company's established chassis design, featuring a central backbone tube and independent swinging half-axles across all four axles. The truck is engineered for superior performance in challenging conditions, incorporating an advanced all-wheel-drive system where the two front axles offer steerable and connectable drive, while the two rear axles are continuously powered. Equipped with air suspension, individual axle differentials, and an interaxle differential, the Force e-Drive BEV is designed to navigate the most demanding terrains with remarkable agility. Its powerful electric motor, supported by two distinct transmissions, enables it to handle heavy loads and extreme environments while showcasing Tatra's commitment to exploring alternative powertrain solutions.

The introduction of the Tatra Force e-Drive BEV 8x8 marks a significant milestone in the evolution of heavy-duty vehicles, combining traditional ruggedness with modern electric propulsion. The truck's substantial battery capacity and robust electric drivetrain underscore its potential for specialized applications in industries such as construction and mining, where durability and environmental considerations are increasingly important. This prototype represents a strategic step for Tatra Trucks in diversifying its portfolio beyond internal combustion engines, following other ventures into hydrogen fuel-cell and plug-in hybrid technologies. The silent operation and the capability for electric-only driving in sensitive zones highlight a forward-thinking approach to meet future operational and regulatory demands, positioning Tatra at the forefront of electric commercial vehicle innovation.

Advanced Engineering for Extreme Environments

The Tatra Force e-Drive BEV 8x8 represents a pinnacle of engineering designed for unparalleled off-road capability. This electric truck integrates a highly sophisticated chassis with a central backbone and fully independent swinging half-axles on all four wheels, ensuring exceptional articulation and traction across varied and challenging landscapes. Its unique all-eight-wheel drive configuration, complemented by steerable front axles and continuously driven rear axles, allows it to maintain control and momentum in conditions where conventional vehicles would falter. The inclusion of air suspension and advanced differential systems for each axle and between axles further enhances its ability to adapt to severe unevenness, making it an ideal solution for specialized heavy-duty operations that require superior mobility and resilience. This meticulous design ensures that the Force e-Drive BEV can confidently tackle the most arduous routes, embodying Tatra's legacy of building vehicles that conquer extreme terrain.

At the core of its formidable performance, the Tatra Force e-Drive BEV 8x8 features a powerful Danfoss electric motor, strategically positioned beneath the cab. This motor delivers an impressive maximum output of 737 horsepower (550 kilowatts) and an astounding 1,917 pound-feet (2,600 Newton-meters) of torque, with a continuous output of 442 hp (360 kW) and 1,696 lb-ft (2,300 Nm). This power is managed through an Eaton four-speed automated transmission, complemented by a secondary Tatra transmission specifically designed to enhance performance in the most challenging off-road scenarios, enabling silent operation. The energy source comprises twelve traction batteries, providing a total capacity of 480 kilowatt-hours. While this large battery pack facilitates an estimated driving range of 186 to 248 miles (300-400 kilometers), it is proportionate to the truck’s massive 22-tonne weight. This heavy-duty machine is also capable of carrying a maximum payload of 22 tonnes and towing up to 18 tonnes, demonstrating its immense capacity and utility for demanding industrial applications.

Tatra's Leap into Electric and Hybrid Powertrains

Tatra Trucks' introduction of the Force e-Drive BEV 8x8 marks a significant advancement in the company's strategic move towards sustainable transportation solutions. This all-electric prototype exemplifies Tatra's commitment to innovating beyond traditional internal combustion engines, addressing the growing demand for environmentally friendly heavy-duty vehicles. As Jakub Pončík, Technical Director of Tatra Trucks, highlighted, the electric truck is designed to validate the integration of a fully electric drive system and high-capacity traction batteries into a vehicle built for diverse operations, including challenging construction and mining environments. This initiative is part of a broader strategy, which has seen the Czech manufacturer unveil several alternative powertrain solutions since 2023. These include an 8x6 hydrogen-powered work truck and an 8x8 plug-in hybrid truck, demonstrating a comprehensive approach to meet varied industry needs while reducing environmental impact and noise pollution, particularly in urban and ecologically sensitive areas.

The Force e-Drive BEV 8x8 is more than just a concept; it is a tangible step in Tatra's journey to expand its portfolio with advanced powertrain technologies. Alongside the purely electric model, Tatra's exploration into alternative fuels includes a robust hydrogen-powered 8x6 work truck, offering another zero-emission option for heavy-duty tasks. Furthermore, the company has developed an innovative 8x8 plug-in hybrid truck that pairs a powerful eight-cylinder combustion engine with an electric motor. This hybrid variant provides the flexibility of electric-only operation for up to 43 miles (70 kilometers), making it highly suitable for applications requiring quiet, emissions-free driving in specific zones or urban settings. These diverse developments collectively showcase Tatra Trucks' dedication to pioneering sustainable, high-performance vehicles, ensuring that their iconic ruggedness and reliability are maintained while embracing the future of electrified commercial transport across a spectrum of operational demands and environmental considerations.