Completed Materials & Manufacturing Clean Energy

SPICE (Silicon Product Improvement via Coating Enhancement)

In plain English

AI plain-English summary

A 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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"To establish an effective, repeatable and scalable carbon-coating process for next-gen silicon anodes materials that will improve the current performance of lithium-Ion batteries, and hence accelerate the adoption of Nexeon anode materials by cell manufacturers and at major OEMs, via an 18 month 3.3m project utilizing PSI’s scaled process know-how, AGM’s cell fabrication expertise and Oxford University’s analytical capabilities" Battery cells typically represent \>60% of the cost of an EV battery pack and almost 100% are currently imported to the UK. Security of supply is a major concern for UK pack builders and vehicle OEMs. AGM is already working with partners to grow the UK supply chain for cell materials and components, alongside its own plans for significant upscaling of its UK cell manufacturing capability. The need for UK based core cell material manufacturers is partly addressed through this project -- secure supply of IP rich, cell performance enhancing materials means that the cells developed in the UK can offer leading edge performance and provide the consortium members the confidence to scale beyond niche and into mass market application. Oxford University's Department of Materials will provide state-of-the-art material characterisation to support the project."

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Related Research

Grants with similar aims, by meaning.

Supply Chain Accelerator for Li-ion Electrode materials in UK (SCALE-Up)
GENESIS (Generating Energetic Novel cells and Systems Inspired by Software)
New Biomass Anode Technology and Silicon Electrodes with high Energy Density (New BATSEED)
The HIgh Silicon content anOdes for a solid state batteRY Project [The HISTORY Project]
SABRE (Silicon Anode Battery for Rapid Electrification)

Original classification

Collaborative R&D

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