The removal of residual metal contaminants from the black mass following the leaching process
Research gap analysis derived from 3 chemistry papers in our local library.
The gap
The removal of residual metal contaminants from the black mass following the leaching process. The preservation of the graphite framework during the washing steps. The need for efficient and low-impact purification routes for graphite recovery from spent lithium-ion batteries.
Evidence profile
Sourced from the stated challenges and stated research gap of the source papers, classified as general, spanning 2 journals.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 4 representative gaps
- Post-Leaching Water, Ultrasonic and Mild-Acid Washing for Purifying Graphite Recovered from Spent NMC111 Lithium-Ion Batteries (2026) · Batteries · doi
The removal of residual metal contaminants from the black mass following the leaching process. The preservation of the graphite framework during the washing steps. The need for efficient and low-impact purification routes for graphite recovery from spent lithium-ion batteries.
generalstated challengesKeywords: removal residual metal contaminants black mass following leaching - Recovery of Separator from Battery Waste by Supercritical Carbon Dioxide Extraction: Removal of Electrolyte and Electrode Contaminants (2026) · Batteries · doi
The neglect of organic fractions in battery recycling due to their low material value. The need for new approaches to battery recycling that can efficiently recover critical materials from battery waste. The lack of efficient methods for the removal of electrolyte and electrode contaminants from separator waste material.
generalstated research gapKeywords: neglect organic fractions battery recycling due low material - Recovery of Separator from Battery Waste by Supercritical Carbon Dioxide Extraction: Removal of Electrolyte and Electrode Contaminants (2026) · Batteries · doi
The complex composition of battery waste, including alkali and transition metals, plastics, organic binders and solvents, as well as halogenated compounds. The need to develop efficient methods for the removal of electrolyte and electrode contaminants from separator waste material. The potential risks and high costs associated with handling and transportation of hazardous battery waste.
generalstated challengesKeywords: complex composition battery waste including alkali transition metals - Mechanism analysis on the extraction of valuable metals from spent LiNi0.5Co0.2Mn0.3O2 lithium-ion batteries (2026) · Journal of Central South University · doi
The lack of a low-temperature and highly efficient extraction process for valuable metals from spent lithium-ion batteries. The need for a systematic investigation of the reaction mechanism of the spent battery powder-sulfamic acid system. The requirement for a simple and economical recycling process for spent lithium-ion batteries.
generalstated research gapevidence 5/5Keywords: lack low-temperature highly efficient extraction process valuable metals
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