| http://www.w3.org/ns/prov#value | - Preferably the chemical used for the electrode precursor are low cost, largely available commodity materials or naturally occurring chemicals including in the case of LiFePO4, iron, iron oxides, phosphate minerals and commodity lithium or phosphate chemicals such as: Li2CO3, LiOH, P2O5, H3PO4, ammonium or lithium hydrogenated phosphates.
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