All-Dry Synthesis of NMC from [Ni,Mn,Co]3O4 Spinel Precursors

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Ben-Barak, Ido, and M. N. Obrovac. “All-Dry Synthesis of NMC from [Ni,Mn,Co]3O4 Spinel Precursors”. Journal of The Electrochemical Society, vol. 171, no. 4, 2024, p. 040535, https://doi.org/10.1149/1945-7111/ad3aa9.
Ben-Barak, I., & Obrovac, M. N. (2024). All-Dry Synthesis of NMC from [Ni,Mn,Co]3O4 Spinel Precursors. Journal of The Electrochemical Society, 171(4), 040535. https://doi.org/10.1149/1945-7111/ad3aa9
Ben-Barak I, Obrovac MN. All-Dry Synthesis of NMC from [Ni,Mn,Co]3O4 Spinel Precursors. Journal of The Electrochemical Society. 2024;171(4):040535.
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Physical and theoretical chemistry
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Electrical engineering
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Nuclear engineering
Materials of engineering and construction
Mechanics of materials
Description

Looking for more efficient ways to synthesize battery materials? This paper presents a novel all-dry synthesis method for NMC622 (LiNi0.6Mn0.2Co0.2O2), a crucial cathode material for lithium-ion batteries, using [Ni,Mn,Co]3O4 spinel precursors. The researchers investigated the use of oxides in the NixMn0.5-x/2Co0.5-x/2-O system as precursors, finding that single-phase spinel precursors offer the highest compositional homogeneity. The process involves heating these precursors with Li2CO3 and NiO in air or oxygen, differing from conventional hydroxide precursor methods. The study successfully demonstrates an alternate and innovative route for achieving compositional homogeneity in NMC all-dry synthesis. The method achieves high-performance NMC622, showcasing the potential of spinel precursors for efficient and scalable battery material production. This also offers compositional homogeneity.

This research is highly relevant to the _Journal of The Electrochemical Society_, which focuses on advances in electrochemical science and technology. The paper provides valuable insights into novel synthesis methods for NMC cathode materials, which are critical components in lithium-ion batteries. By improving the efficiency and homogeneity of NMC synthesis, the study contributes to advancements in energy storage and battery technology.

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