The EU battery passport has one fixed point and a lot of moving parts. The fixed point is the date: from 18 February 2027, electric vehicle batteries, light means....
For years sodium-ion sat in the category of promising chemistry that never quite arrived. That changed in the last eighteen months. CATL launched its Naxtra sodium-ion brand...
Announcing a gigafactory is the easy part. The industry has seen a great many announcements, and a far smaller number of plants actually running at rate....
A battery pack in an electric car sits bolted into the floor, cooled by liquid, sheltered from the weather and rarely touched for years. A pack in an Indian electric
A cell supplier calls to say one production lot may have a separator defect. Two questions follow immediately. Which of your packs contain cells from that lot, and where....
Put a battery module on a cold plate and it looks as though the two are touching. Under magnification they are not. Both surfaces are rough and neither is perfectly
Here is a failure that passes almost every test. A sense wire meant for cell twelve gets connected to cell thirteen. The pack charges, discharges, reports sensible voltages...
A battery plant is not a battery line in a larger building. The line converts cells into packs; the plant has to receive, store, condition and deliver those cells, remove...
A battery pack under a vehicle spends its life in the worst environment on the car. Road spray, salt, standing water, pressure washing and thermal cycling all act on the
Battery equipment quotations are unusually difficult to compare, because the machines are only part of what is being bought. Two suppliers can quote what looks like the same...