A recently published patent application from Ford suggests an innovative solution to enhance the range of electric vehicles (EVs). The application, titled “Electrified Vehicle Roof-Mounted Battery Backup,” was filed on December 8, 2021, and published by the United States Patent and Trademark Office (USPTO) on June 8, 2023. This patent application proposes the idea of using a supplementary battery pack strapped to the roof of an EV as a backup power source when charging stations are not readily available.
The accompanying image in the patent application shows an SUV resembling the Ford Bronco, with a roof carrier connected to a charge cable. The concept demonstrates how an additional battery pack can be secured to the roof of an EV and used to extend the range when traditional charging options are limited. This unconventional approach aims to address the issue of range anxiety, which is a concern for many potential EV buyers.
The patent application further provides detailed images of a streamlined housing for the backup battery, similar to conventional rooftop cargo carriers. It suggests the incorporation of air channels within the housing to facilitate battery cooling. Additionally, the application proposes the use of standard roof rack attachments, allowing for easy installation and removal of the battery pack. However, the process of handling a heavy battery pack on or off a car roof may present challenges and inconvenience for users.
Although Ford’s patent application showcases their idea for a roof-mounted backup battery, they are not the first automaker to propose this concept. Rivian, an electric vehicle manufacturer, had filed a similar patent for a removable auxiliary battery pack in 2019. Rivian’s CEO, RJ Scaringe, even hinted at the possibility of production plans. However, as of now, no concrete advancement has been made in that direction.
It is important to note that a patent application does not necessarily indicate a product plan. It serves as a means for companies to protect their inventions and ideas. Consequently, even if Ford were to proceed with the production of a roof-mounted battery system, it is important to consider its practicality. The proposed battery pack would primarily serve as an accessory for overlanding or off-roading activities. The additional weight and increased aerodynamic drag resulting from the roof-mounted battery may offset the potential benefits during long road trips.
While the concept of expanding the range of EVs through supplementary battery packs is intriguing, practicality and user convenience remain key considerations. Consumers may value the flexibility that a roof-mounted battery pack provides in certain situations where access to charging stations is limited. However, the overall impact on the vehicle’s performance, handling, and efficiency must be thoroughly assessed to ensure it aligns with the expectations and requirements of EV owners.
In conclusion, Ford’s patent application for an electrified vehicle roof-mounted battery backup presents an interesting idea to address range anxiety in EVs. The concept aims to provide a supplementary power source in situations where traditional charging options are scarce. However, it is important to approach such ideas with caution and consider the practical implications, such as the added weight and drag. As the EV market continues to evolve, it will be fascinating to see if this innovation or similar concepts make their way into production vehicles to enhance the overall consumer experience.