Comparative Study of Various Kinetic Models on Leaching of NCA Cathode Material

被引：9

作者：

Muzayanha, Soraya Ulfa ^{[1
,2
]}

Yudha, Cornelius Satria ^{[1
]}

Hasanah, Luthfi Mufidatul ^{[1
]}

Gupita, Linggar Tungga ^{[1
]}

Widiyandari, Hendri ^{[3
]}

Purwanto, Agus ^{[1
]}

机构：

[1] Univ Sebelas Maret, Fac Engn, Dept Chem Engn, Jl Ir Sutami 36 A, Surakarta 57126, Central Java, Indonesia

[2] PT PERTAMINA, Pertamina Res & Technol Ctr, Jl Raya Bekasi Km 20, Jakarta 13920, Indonesia

[3] Univ Sebelas Maret, Fac Math & Nat Sci, Dept Phys, Jl Ir Sutami 36 A, Surakarta 57126, Central Java, Indonesia

来源：

INDONESIAN JOURNAL OF CHEMISTRY | 2020年 / 20卷 / 06期

关键词：

NCA cathode waste; kinetics study; recycle; hydrometallurgical; Li-ion batteries; LITHIUM-ION BATTERIES; VALUABLE METALS; RECOVERY; ACID; OPTIMIZATION; COBALT;

D O I：

10.22146/ijc.49412

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The kinetics study of NCA leaching in the HCl system was proposed. Various kinetic models such as shrinking core, logarithmic rate law, and Avrami equation were used to find out the most appropriate kinetic models for this process. The effect of HCl concentrations, leaching temperatures, solid to liquid (S/L) ratio, and leaching duration were observed. The optimum conditions of NCA leaching were at HCl concentration of 4 M, temperature of 80 degrees C, S/L ratio of 100 g/L, and leaching time of 1 h. The result shows that shrinking core model with diffusion control process of residue layer describes well the leaching mechanism in this research, which is indicated by the good fitting of coefficient values of correlation (R-2) and confirmed by the activation energy values of Ni, Co, Al that were less than 40 kJ/mol.

引用

页码：1291 / 1300

页数：10

共 26 条

[1] Recovery of Valuable Metals from Lithium-Ion Batteries NMC Cathode Waste Materials by Hydrometallurgical Methods [J].