The world of ultra-fast charging for electric vehicles (EVs) is experiencing rapid evolution. Ultra-fast charging, also known as high-power charging or HPS, is a swift form of DC charging that can fully charge an EV’s battery in under 30 minutes. Recent groundbreaking advancements in EV technology have propelled this capability to new heights, marking a significant leap forward in the realm of ultra-fast charging.
Hofer Powertrain, an innovative developer and technology specialist in efficient powertrain solutions, has introduced the Ultevate Ultra battery module. This cutting-edge technology enables incredibly rapid charging, with the ability to take an EV battery from a 5% state of charge (SOC) to 85% in just five minutes, and to 100% in a mere eight minutes. Since its debut at the LA AutoShow in 2023, the Ultevate Ultra battery module has set new industry benchmarks, revolutionizing the landscape of ultra-fast charging for EVs.
One notable feature of the Ultevate Ultra system is its ability to generate minimal heat despite its high charging power, eliminating the need for active cooling. This not only enhances the efficiency of the battery module but also reduces maintenance requirements and enhances its durability compared to other existing battery technologies. Additionally, the Ultevate Ultra delivers a charging current of up to 1140A and a high charging power of over 1MW at the vehicle level.
Gerold Sluka, the Managing Director of the Battery Development division at Hofer Powertrain, emphasizes the company’s commitment to achieving the optimal power-to-energy ratio for their customer projects. The goal is to continually increase the energy content of a traction battery while simultaneously boosting the charging power to meet the evolving demands of the industry.
In addition to the Ultevate Ultra battery module, Hofer’s modular electric powertrain platform comprises various electric drive units and battery solutions that can be customized to meet the specific requirements of individual vehicle projects. Among these technologies is the Ultevate TorVec EDU, a high-performance electric drive unit designed for electrified torque vectoring, which enhances the handling, safety, and comfort of vehicles. The Ultevate ar EDU Concentric Electric Drive, on the other hand, is a level five autonomous-ready inline EDU solution with a remarkable operating lifetime of 600,000km, offering significant reductions in service requirements with optimized NVH behavior.
The introduction of the Ultevate Ultra charging system comes at a pivotal moment, as the transition to electric vehicles intensifies in anticipation of the ban on new diesel and petrol vehicles by 2035. With the projected increase in EV adoption and demand, the development of megawatt charging stations is expected to become more prevalent in the next decade, facilitating faster and more widespread passenger car charging.
The unprecedented capabilities of the Ultevate Ultra system give original equipment manufacturers (OEMs) the opportunity to expedite the production of innovative EV drive and battery solutions for mass production. This ultra-fast charging technology aligns with Hofer’s portfolio of similar technologies that enable rapid charging of batteries in less than 10 minutes, all of which have been instrumental in supporting customer projects and gaining momentum in the market.
Professor Dr. Kai André Boehm, a Battery Expert at Hofer Powertrain, affirms the company’s dedication to developing efficient, robust, and safe solutions to drive technical progress forward. By continuously exploring new cell chemistries and cell manufacturers, Hofer Powertrain is poised to offer future-proof technologies that can be seamlessly integrated into series production to meet the evolving timelines of their customers.
In conclusion, the innovative capabilities of the Ultevate Ultra charging system are reshaping the landscape of EV technology, presenting the potential to revolutionize the way electric vehicles are utilized. As the demand for EVs continues to surge, the development of ultra-fast charging technology is a critical step towards a more sustainable and efficient future for transportation.
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