Green Hydrometallurgical Route for Recycling Process of NCA Cathode Scrap

被引：3

作者：

Gupita, Linggar Tungga ^{[1
]}

Purwanto, Agus ^{[1
]}

Muzayanha, Soraya Ulfa ^{[1
]}

Nur, Adrian ^{[1
]}

Sutopo, Wahyudi ^{[2
]}

Jumari, Arif ^{[1
]}

机构：

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

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

来源：

PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON CHEMICAL PROCESS AND PRODUCT ENGINEERING (ICCPPE) 2019 | 2020年 / 2197卷

关键词：

Recycle; Hydrometallurgy; Co-precipitation; NCA; Li-on batteries;

D O I：

10.1063/1.5140914

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A green recycling process of Lithium Nickel Cobalt Aluminium Oxide (NCA) cathode scrap was purposed. Citric acid (C6H8O7) and ascorbic acid (C6H8O6) were used as leaching agent and reductant, respectively. The leaching process was employed at temperature of 90 degrees C, concentration of 1.5 M citric acid and solid to liquid ratio (S/L) of 100 g/L. The effect of leaching time and reductant concentration were investigated. Oxalic co-precipitation and sintering process were applied in order to re-obtain NCA material. The result shows that the highest leaching efficiency obtained by the reductant concentration of 5 %w/v for 4 h. In this study, the re-synthesis of NCA cathode material from cathode scrap was succeed based on the well indexed XRD patterns of obtained NCA to the JCPDS Card #87-1562. The electrochemical performance was analysed using cylindrical full cell with graphite as the counter anode.

引用

页数：5

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