Saft is the French supplier in charge of the manufacturing of batteries for the A350 XWB. In this video, there are shown the differences between traditional nickel-cadmium batteries and next-generation lithium-ion.
Click the picture to watch the video
Currently the lithium-ion batteries are more present in military aviation but their use is being generalized with replacement of certain hydraulic functions by electrical functions on the new aircraft requiring more energy on board.
The Airbus A350 is going to be certified with nickel-cadmium batteries and in 2015 it will be re-certified with lighter lithium-ion batteries.
Based on the article “Nickel-cadmium, lithium-ion : dans le secret des batteries pour l'aéronautique” published in Aeronews