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(Source: Warwick's official website)
With the rapid increase in the number of electric vehicles, how to recycle and reuse car batteries, this problem has become very urgent. According to foreign media reports, researchers at the School of Manufacturing Engineering (WMG) at Warwick University have found a way to not only recycle used batteries, but also rebuild them into small energy storage systems (ESS) to power developing countries or remote communities. The transformed device can store about 2kWh of energy and can power small shops, farms, or multiple residences.
The main researcher of the project, Professor James Marco of WMG, said: "People generally believe that when the battery capacity of electric vehicles drops to 80% of the initial capacity, they have reached the limit of use. Although they cannot meet the needs of vehicles, they are It is still very useful for people who want to use the battery in a static environment. "
In order to use this partially depleted batteries and ensure their reliable, sustainable and cheap use in remote areas, some challenges need to be overcome, such as: 1. Is this small energy storage system compatible with old batteries and modules from other manufacturers; 2 . How to make the device easy to use and maintain, and keep the cost low.
The WMG research team, with the help of the WMG High Value Manufacturing Ejection Center (WMG HVM Catapult) and Jaguar Land Rover, set out to overcome these challenges. Jaguar Land Rover provided Jaguar I-PACE batteries for the research. The team designed new battery management systems (BMS) and turned them into easy-to-port ESS prototype devices, which have the following characteristics:
Using standard low-cost components to achieve control, operation and safety functions. All components are either from Jaguar Land Rover service department or low-cost components purchased from electrical retailers;
The ability to be compatible with different types of modules, these modules can be interchanged in the secondary use system without recalibrating the entire battery management system;
Provide enough energy for small shops, farms or multi-family houses;
Multiple 12V DC sockets and 5V USB charging ports;
It can charge the secondary use module through the recovered charger;
Simplify the control system and make it easy to integrate and deploy.
Professor James Marco said: "This is a great achievement, not only providing efficient car battery recycling solutions, but also potentially changing the lives of remote communities. We are now seeking support to further develop and test new products in remote or grid-free areas Device. "
The research project belongs to the Second Life Energy Storage System (2nd hEVen) project funded by Innovate UK and is supported by WMG HVM Catapult.
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