The reason that , despite a surge in sales of electric cars last year , they are still being replaced by petrol / diesel cars is the high cost of the batteries say innovators . Therefore , UK - based Faradion is pioneering a new battery technology by replacing the lithium - ion that is used to make them with sodium - ion instead since it is significantly cheaper , and easier to transport . Faradion is in the process of getting a license for the technology . The market for large - scale batteries is due to grow rapidly as demand increases for home storage systems as well as electric cars .
The reason that, despite a surge in sales of electric cars last year, they are still being overshadowed by petrol/diesel cars is the high cost of the batteries say innovators. Therefore, UK-based Faradion is pioneering a new battery technology by replacing the lithium-ion that is used to make them with sodium-ion instead since it is significantly cheaper, and easier to transport. Faradion is in the process of getting a license for the technology. The market for large-scale batteries is due to grow rapidly as demand increases for home storage units as well as electric cars.