V2G could help extend EV battery life
Idle batteries from electric vehicles can be used in the grid and to power buildings without damaging the batteries, a new study has shown.
Stored energy from electric vehicles (EVs) can be used to power large buildings thanks to new research from Warwick Manufacturing Group (WMG) at the University of Warwick.
Dr Kotub Uddin, along with colleagues from WMG's Energy and Electrical Systems group and Jaguar Land Rover, has demonstrated that vehicle-to-grid (V2G) technology can take enough energy from idle EV batteries for use in the grid and to power buildings without damaging the batteries.
In fact, this new research into the potentials of V2G shows that it could improve vehicle battery life by around ten per cent over a year.
According to the university, Dr Uddin's team spent two years analysing some of the most advanced lithium-ion batteries used in commercially available EVs - and created one of the most accurate battery degradation models existing in the public domain - to predict battery capacity and power fade over time. They did this under various ageing acceleration factors, including temperature, state of charge, current and depth of discharge.
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