Changing chemistry: EV battery developments to meet energy, cost and cell design requirements

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OEMs are utilising different cell formats and anode-cathode materials to optimise batteries for a range of vehicle segments

New generation of batteries for BMW
On the last of those counts the changes BMW is intent on introducing in what will be the sixth generation of lithium-ion batteries it has used in its cars both advances in battery chemistry and a new shape. Together these will, the company promises, provide an increase in energy density of 20%, accelerate charging speed by 30% and increase range again by 30% compared to the current battery technology it employs. It states that a mix of “simulation and testing” makes it entirely confident these figures will be realised in practice.

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