A company called Envia Systems announced it has built a record-setting lithium-ion battery with an energy storage density of 400 watt-hours per kilogram (Wh/Kg). A more typical Li-ion battery has about half that density. Converting this to standard engineering units gives 1.44 megajoules per kilogram (Mj/Kg). Compare the energy content of gasoline. Published sources say […]
Bro. SteveSteve Reed is a Christian minister who works as an engineer in the energy industry. The views expressed on this blog are his alone and do not necessarily reflect the views of his employer.