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Abstract Catalyst which effectively degraded low concentration of formaldehyde at room temperature is recovered from Li-MnO2 button cell by a simple washing-recovering method. The prepared samples were characterized by XRD,… Click to show full abstract
Abstract Catalyst which effectively degraded low concentration of formaldehyde at room temperature is recovered from Li-MnO2 button cell by a simple washing-recovering method. The prepared samples were characterized by XRD, XPS and N2 adsorption-desorption. Compared with the original MnO2 (L0.00-MnO2), lithium MnO2 (Li1.00-MnO2) is gradually converted from Mn(IV) to Mn(III) due to the intercalation of Li+. The catalytic activity of catalyst is significantly increased after full discharge for higher specific surface area and surface oxygen species.
Journal Title: Materials Letters
Year Published: 2020
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