Williams reveals lighter yet longer-range EV battery module

[voyager]

Williams Advanced Engineering has developed a new type of lithium ion battery module that could make automotive battery packs up to 30% lighter and 37% more energy dense. The new module, unveiled at the annual Cenex low-carbon vehicle event in Bedfordshire, could have wide-reaching benefits if the tech is licensed to EV manufacturers.

The innovation means a battery of the same weight as a conventional unit can deliver longer range without compromising power, or higher power without compromising range. A test battery using 16 modules has a storage capacity of 60kWh and produces peak power of 550kW for 20 seconds, with peak regeneration of 550kW for 10 seconds.

Williams reveals lighter yet longer-range EV battery module | Autocar

 

[JRP3]

Doesn't make any sense, you don't make a pack lighter by using less energy dense cells such as A123 high power cells.

 

[Brando]

Well, perhaps fine for exotics and race cars. Perhaps. But it does show electrification is growing.

McNamara concedes that, because of the added complexity and integrated electronics, “the cost will be higher than a conventional module, but we hope to get economies of scale as numbers increase”.
The new design draws from experience gathered in developing batteries for the Williams F1 team and latterly as sole supplier to the FIA Formula E race series, as well as involvement in a number of electric vehicle programmes.