Stellantis has partnered with Saft and the French National Center for Scientific Research (CNRS) to develop a novel electric vehicle battery prototype that could revolutionize the EV industry. By combining the functions of the inverter and charger and then integrating them into the EV battery itself, this groundbreaking design makes for a reliable, efficient and relatively affordable EV powertrain.
The Intelligent Battery Integrated System (IBIS) is the product of more than four years of intense research. According to Stellantis, the interverless powertrain uses an advanced control system to deliver an alternating current (AC) directly to the electric motor, eliminating the need for an inverter and an onboard charger. This reduces the weight of the powertrain and creates more room that could be dedicated to cabin space. It also increases overall efficiency and boosts battery electric vehicle range. Furthermore, eliminating the inverter and onboard charger frees up space, allowing for roomier cabins for the passengers.
Stellantis claims that the powertrain will simplify the development process, reducing manufacturing costs and making the resultant EVs more affordable. The lighter weight will allow EVs equipped with this technology to cover more distance on a similar charge. The inverterless technology also has potential stationary energy applications that could make it crucial to the development and proliferation of renewable energy infrastructure such as power banks, generators and stationary batteries.
Stellantis chief engineering and technology officer Ned Curic says that “innovation and research excellence” has fueled the company’s foray into electrification. The company’s objective was to deal with real issues that affect electric vehicle customers such as affordability, range anxiety, and passenger space while enhancing vehicle efficiency to minimize emissions.
By developing a new type of EV powertrain, Stellantis engineers were able to kill several birds with one stone. The new design alleviates several of the key issues that have prevented most customers from purchasing electric vehicles, including range, affordability, space restrictions and limited design options. With the average EV costing significantly more than comparable gas-powered cars, affordability has been the top barrier to EV adoption.
Range anxiety has also kept many who could afford to go electric from buying an EV, especially those living in regions without reliable public charging infrastructure. The inverterless powertrain has the potential to address these issues and could finally kick-start the mass adoption of electric cars. Stellantis says that the next step of development is to build a prototype EV to test the new powertrain on the road. The carmaker hopes to incorporate the technology into its vehicles by the end of the decade.
Given that the EV industry is relatively new, it is likely that other companies such as Cenntro Electric Group Ltd. (NASDAQ: CENN) may also introduce other innovations that could accelerate EV adoption even more.
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