Battery swap and energy storage capacity

How many kWh does an EV battery swap need?

For the same EV without regular charging accessibility, the average daily battery swap requirement is 7.5 kWh. In other words, for the EV fleet with an average 30 kWh on-board battery, the battery swap system needs to maintain a minimum of 25% of total on-board battery capacity to meet daily swap demand.

How can manufacturers ensure battery compatibility and safety at swapping stations?

Manufacturers can ensure battery compatibility and safety at swapping stations by standardizing battery designs across vehicle models and brands. They can also integrate real-time health monitoring systems that track battery performance and safety, ensuring only reliable batteries are available for swapping.

What is battery swapping?

Battery swapping uses application of robotic automation with minimal human input. The speed of the operation is thereby increased from 30 min of fast charging to 3–5 min from swapping (Revankar and Kalkhambkar 2021). Error free swap action will enhance accuracy and customer service.

What is a battery swapping station?

With battery swapping station, battery charging takes place at BSS with necessary standards and tests to ensure complete safety of the battery. Besides, necessary safety checks on battery can be performed in each swapping operation.

What are the benefits of battery swapping?

Battery swapping addresses concerns of EV customers by cutting refuelling time, maintaining overall safety, improving lifetime of batteries, higher reliability during EV operation, and promoting recycling of batteries for greener environment. Broad benefits of battery swapping are discussed next.

How can EV storage potential be realized?

Given the concern on the limited battery life, the current R&D on battery technology should not only focus on the performance parameters such as specific energy and fast charging capacity, but also on the number of cycles, as this is the key factor in realizing EV storage potential for the power system.