MANUFACTURING METHOD OF IRON LITHIUM PHOSPHATE THIN FILM ELECTRODE

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of a thin-film electrode of a low-cost phosphoric acid system active material.

SOLUTION: In the manufacturing method of iron lithium phosphate thin-film electrode applying solution containing at least Li, Fe and P on a metal substrate, and putting it under heat treatment to make a thin-film electrode, the heat treatment is carried out at 500°C or more and 800°C or less under a low-oxygen partial pressure gas atmosphere containing vapor by 5 to 90 volume percent.

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