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Lithium-ion rechargeable batteries are indispensable technologies in electronics/electrical industries. Primarily, Li-ion batteries consist of three fundamental components; anode, cathode, and electrolyte. Lithium carbonate is popularly used as a material for lithium cobalt oxide as cathode. The concentration of lithium carbonate is determined by titrating with hydrochloric acid solution by acid/base titration based on the following chemical reaction. Li2CO3 + HCl LiHCO3 + LiCl … (1) LiHCO3 + HCl LiCl + CO2 + H2O … (2)
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