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Article

Precipitation and Calcination of High-Capacity LiNiO2 Cathode Material for Lithium-Ion Batteries

1
Research Unit of Sustainable Chemistry, University of Oulu, P.O. Box 4000, FI-90014 Oulu, Finland
2
University of Jyvaskyla, Kokkola University Consortium Chydenius, Talonpojankatu 2B, FI-67100 Kokkola, Finland
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(24), 8988; https://doi.org/10.3390/app10248988
Received: 30 November 2020 / Revised: 14 December 2020 / Accepted: 15 December 2020 / Published: 16 December 2020
(This article belongs to the Special Issue Imaging and Characterization of Applied Materials)
This article presents the electrochemical results that can be achieved for pure LiNiO2 cathode material prepared with a simple, low-cost, and efficient process. The results clarify the roles of the process parameters, precipitation temperature, and lithiation temperature in the performance of high-quality LiNiO2 cathode material. Ni(OH)2 with a spherical morphology was precipitated at different temperatures and mixed with LiOH to synthesize the LiNiO2 cathode material. The LiNiO2 calcination temperature was optimized to achieve a high initial discharge capacity of 231.7 mAh/g (0.1 C/2.6 V) with a first cycle efficiency of 91.3% and retaining a capacity of 135 mAh/g after 400 cycles. These are among the best results reported so far for pure LiNiO2 cathode material. View Full-Text
Keywords: lithium-ion battery; LNO; cathode; lithium nickel oxide lithium-ion battery; LNO; cathode; lithium nickel oxide
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MDPI and ACS Style

Välikangas, J.; Laine, P.; Hietaniemi, M.; Hu, T.; Tynjälä, P.; Lassi, U. Precipitation and Calcination of High-Capacity LiNiO2 Cathode Material for Lithium-Ion Batteries. Appl. Sci. 2020, 10, 8988. https://doi.org/10.3390/app10248988

AMA Style

Välikangas J, Laine P, Hietaniemi M, Hu T, Tynjälä P, Lassi U. Precipitation and Calcination of High-Capacity LiNiO2 Cathode Material for Lithium-Ion Batteries. Applied Sciences. 2020; 10(24):8988. https://doi.org/10.3390/app10248988

Chicago/Turabian Style

Välikangas, Juho, Petteri Laine, Marianna Hietaniemi, Tao Hu, Pekka Tynjälä, and Ulla Lassi. 2020. "Precipitation and Calcination of High-Capacity LiNiO2 Cathode Material for Lithium-Ion Batteries" Applied Sciences 10, no. 24: 8988. https://doi.org/10.3390/app10248988

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