SPICE (Silicon Product Improvement via Coating Enhancement)
In plain English
AI plain-English summaryA consortium of battery experts will coat silicon anodes with carbon to make them work reliably inside lithium-ion batteries, aiming to turn a promising lab material into a commercially viable product. Why this matters: Battery cells make up more than 60% of the cost of an electric vehicle battery pack, and nearly all are currently imported to the UK. This creates a security-of-supply risk for UK carmakers and pack builders. Silicon anodes can store far more energy than the graphite anodes used today, but they swell and degrade during charging. A durable carbon coating could solve that problem, allowing silicon to replace graphite without sacrificing battery life. Potential impact: If the coating process works at scale, UK cell manufacturers could produce batteries with leading-edge performance using domestically sourced materials. That would reduce import dependence, strengthen the UK supply chain, and give manufacturers the confidence to scale up from niche production to mass-market electric vehicles. The project combines industrial scale-up know-how from PSI, cell fabrication expertise from AGM, and analytical capabilities from Oxford University’s Department of Materials.
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