Strategy for Efficient Recovery of NCM Materials by the Reagent-Free Method: Green Recovery of Lithium and High-Value Byproducts through Capacitive Deionization Reverse Applications

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 12(23), С. 8780 - 8791

Опубликована: Май 29, 2024

The traditional lithium-ion battery (LIB) recycling method is inseparable from the application of chemical reagents such as acid and alkali, so efficient green valuable metal recovery technology invaluable. Moreover, current development environmentally friendly capacitive deionization (CDI) has been limited by field desalination. This work proposes a reagent-free for spent LIB cathode materials, which realizes lithium leaching ions into ultrapure water through CDI reverse application. Lithium in solution can be recovered evaporation crystallization form LiOH·H2O. Studies have shown that process unidirectional selectivity Li+. capacity LiNixCoyMn1–x–yO2 (NCM) materials reach 42.95 mg/g, but other elements (Ni, Co, Mn) was 0 mg/g. content recycled material after experiment reduced 90%, used precursor preparation fresh NCM materials. Meanwhile, under action voltage, arrangement bulk graphite crystals anode electrode changes disordered to orderly layered, reused system or high-value prelithium production batteries. expands new without using any alkali reagents, conducive sustainable environment.

Язык: Английский

Activation and Zr precursor influence on UiO-66-NH2 composites for efficient cationic and anionic dye removal

Chemical Engineering Science, Год журнала: 2024, Номер unknown, С. 120785 - 120785

Опубликована: Сен. 1, 2024

Язык: Английский