Copper ferrite synthesis from spent Li-ion batteries for multifunctional application as catalyst in photo Fenton process and as electrochemical pseudocapacitor
Source abstract
Abstract
Abstract In this study, from copper recycled from spent lithium-ion batteries (LiBs) is made the synthesis of cupper ferrite (CuFe2O4-LiB). X-ray diffraction, energy dispersive X-ray spectroscopy and inductively coupled plasma optical emission spectrometry (ICP OES) identified the structure and composition of CuFe2O4-LiB. Scanning electron microscopy and transmission electron microscopy showed agglomerates of nanometric spherical particles. This study investigated the multifunctionality of CuFe2O4-LiB. Photocatalytic properties were analyzed by monitoring the decolorization of methylene blue (MB) in a heterogeneous photo-Fenton process in the presence of solar radiation. Decolorization efficiency was 96.1% in 45 min of reaction. Ion chromatography detected formic and acetic acids as products of MB degradation, and by ICP OES measured lower concentrations of 0.09 mgL−1 and 0.37 mgL−1, respectively for iron and copper ions in the treated solution. CuFe2O4-LiB electrodes showed great reversibility, charge efficiency, and a specific capacitance of 2.4 Fg−1 (10.0 mVs−1), which are favorable characteristics for pseudocapacitors.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advancements in Battery Materials · Supercapacitor Materials and Fabrication · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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