期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 10, 期 38, 页码 12642-12650出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.2c03346
关键词
Li-ion batteries; lithium nickel manganese cobalt oxide; oxidation catalyst; furan-2-aldehyde; 5-hydroxymethylfurfural; 2,5-furandicarboxylic acid
资金
- United States National Science Foundation [CBET-1704144, HRD-1036593]
- United States Department of Energy-National Nuclear Security Administration (DOE-NNSA) grant [DE-NA0003947]
The spent Li-ion battery electrode material, lithium nickel manganese cobalt oxide, is shown to be a reusable catalyst for the oxidation of biomass-derived aldehydes and alcohols, with applications in the sustainable polymer industry.
The wide use of Li-ion batteries in energy storage has resulted in a new waste product stream rich in valuable metals Mn, Ni, and Co with well-known catalytic activities. In this work, a spent Li-ion battery electrode material with lithium nickel manganese cobalt oxide is shown as an excellent reusable catalyst for oxidation of biomass-derived furan aldehydes and alcohols to their value-added oxidation products with applications in the sustainable polymer industry. A mechanically separated, combined cathode and anode black material from a spent DELL 1525 laptop battery was pyrolyzed in air at 600 degrees C to remove binders and electrolytes to prepare the catalyst. The SEM, XRF, and X-ray crystallography analysis of the catalyst showed the presence of C, O, Li, Ni, Co, and Mn, indicating the presence of a lithium nickel manganese cobalt oxide (LiNixMnyCozO2)-type cathode material in the spent Li-ion battery employed in the study. This material was shown as an efficient catalyst for the oxidation of aldehyde and alcohol functional groups in biofurans, furan-2-aldehyde, 5-hydroxymethyl furfural, and 5,5'-[oxybis(methylene)]bis[2-furaldehyde], to their corresponding carboxylic acids in 82-97% yield, at 120-140 degrees C, under 1.24 MPa oxygen, and in 0.10 M aq. Na2CO3 medium.
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