Cornish Lithium to produce lithium hydroxide mined and refined in the UK
The demonstration plant has started production of refined lithium hydroxide monohydrate (LHM) in Cornwall.
The LHM is to be produced from lithium extracted from granite in St Dennis, Cornwall.
Lithium hydroxide is a key input in lithium-ion batteries and a key component of EVs, grid-scale battery storage and batteries in consumer electronics.
Cornish Lithium’s growth will also be accelerated by £35mln in funding from the National Wealth Fund and TechMet.
Cornish Lithium has launched a new crowdfunding campaign to allow Cornish Lithium’s wider community of shareholders and supporters the chance to invest.
The company is repurposing a former china clay quarry, will be using low-carbon processing technology and producing refined LHM on a single brownfield industrial site at its Trelavour Demonstration Plant in Cornwal
Cornwall is home to the largest lithium deposits in Europe and has enough lithium to power at least 50% of all EVs expected to be produced in the UK by 2030.
Cornish Lithium acquired full intellectual property and associated patents from Australian company Lepidico In early 2025.
The company states that the Lepidico process has shown to be highly effective and has now been fully optimised by improvements made at the Demonstration Plant.
Following the success of the demonstration plant, Cornish Lithium plans to build a full-scale lithium processing and refining plant with an annual capacity of up to 10,000t of LHM, which is expected to commence full-scale production in 2029.
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