Preparation of Mg-Mn doped LiNiO2 via direct Indonesian Mixed Hydroxide Precipitate Lithiation

Mintarsih Rahmawati; Enni Apriliyani; Tika Paramitha; Himmah Sekar Eka Ayu Gustiana

doi:10.20961/esta.v2i1.61257

Preparation of Mg-Mn doped LiNiO2 via direct Indonesian Mixed Hydroxide Precipitate Lithiation

Mintarsih Rahmawati, Enni Apriliyani, Tika Paramitha, Himmah Sekar Eka Ayu Gustiana

Abstract

Using local raw materials affects the development of the Li-ion batteries industry in Indonesia, which is highly important for the sustainability of electric vehicles. Cathode material affects around 40-50% of Li-ion batteries production costs. The utilization of cheap and local nickel sources for nickel rich-cathode material is a promising approach for reducing LIBs cell cost. Mixed Hydroxide Precipitate (MHP) which contain significantly high amount of nickel can serve as the nickel source for LiNiO₂ cathode material This article proposes an effective and economical method to obtain nickel rich cathode material via direct high thermal lithiation of MHP. Non negligible amount of Mn and Mg in MHP can be directly used as a dopant. Based on XRD analysis, a mixture of NiO and LNO phase can be detected. The presence of Mg and Mn impurities is not observable. The SEM images confirms the irregular shape of the as-prepared LNO. The FTIR confirm the absence of residual Li. Based on the findings, a pretreatment technique is required to be explored in the future.

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DOI: https://doi.org/10.20961/esta.v2i1.61257