Silicon promises cheaper, more powerful and durable LiBs

A valuable combination of attributes—including high power-to-weight ratio and energy efficiency, low self-discharge, and good performance when operating at high temperatures—have seen lithium-ion batteries (LiBs) assume a dominant position in e-mobility.

However, the lithium-ion chemistry still has drawbacks that make it a far from optimal solution for use in vehicles. Among the most prevalent cited by the US Department of Energy (DoE) include high manufacturing costs (linked to raw material supply challenges), durability issues, and safety concerns related to overheating.

While some players are subsequently advocating for alternative chemistries, others believe that lithium-ion still has room for improvement. Subsequently, in March 2023, researchers at Lawrence Berkeley National Laboratory (LBNL) announced the development of a new polymer coating that could increase a LiB’s power and boost its average lifespan by 50%. LBNL is a US DoE national lab managed by the University of California.