A Journal of Energy Storage study of a battery thermal management system with a pulsating heat pipe, fans and capacitors reports preheating a lithium-ion module from minus 30 °C to 0 °C in at most 461 seconds and holding hot modules within 2 °C.
A Journal of Energy Storage review of seven mature grid storage technologies reports pumped hydro at 201 GW in 2025, over 94 percent of global capacity, with round trip efficiencies running from 42 to 87 percent across the plants it describes.
The average daily gap between the highest and lowest priced hours in the UK rose 80 percent to about £123 per MWh in September, as Europe’s roughly $40 billion battery fleet heads into a winter that will test whether more batteries mean less per battery.
BMW began series production of Gen6 round cell batteries in Shenyang, its third battery plant after Debrecen and Irlbach-Straßkirchen, with two more plants due in the coming months and first long wheelbase iX3 deliveries reported for November.
Volkswagen is recalling 22,524 ID.4 vehicles in the United States because charging above 80 percent may trigger thermal propagation in the high voltage battery, and neither the root cause nor the permanent repair is known.
