CATL Secures Patent for 'Electrolyte, Its Preparation Method, Lithium-Ion Secondary Battery, Battery Module, Battery Pack, and Electrical Device'
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According to data from Tianyancha, Contemporary Amperex Technology Co., Limited (CATL) has been granted a patent titled 'Electrolyte, Its Preparation Method, Lithium-Ion Secondary Battery, Battery Module, Battery Pack, and Electrical Device.' The patent, bearing the authorization announcement number CN115832430B, was officially announced on October 28, 2025. The original patent application was submitted on January 6, 2022. This innovative patent introduces a specialized co-solvent that significantly boosts the solubility of inorganic lithium salts. As a result, it effectively enhances the cycle life, high-temperature resilience, and storage stability of lithium-ion batteries, making it highly applicable for use in battery packs and a wide range of electrical devices.