Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Research Progress on Doping and Coating of High-Nickel Cathode Materials for Lithium-Ion Batteries

Version 1 : Received: 4 December 2023 / Approved: 4 December 2023 / Online: 5 December 2023 (04:26:38 CET)

How to cite: Lv, F.; Ye, Y.; Zhang, S.; Sun, Y.; Wang, Q.; Yuan, S. Research Progress on Doping and Coating of High-Nickel Cathode Materials for Lithium-Ion Batteries. Preprints 2023, 2023120225. https://doi.org/10.20944/preprints202312.0225.v1 Lv, F.; Ye, Y.; Zhang, S.; Sun, Y.; Wang, Q.; Yuan, S. Research Progress on Doping and Coating of High-Nickel Cathode Materials for Lithium-Ion Batteries. Preprints 2023, 2023120225. https://doi.org/10.20944/preprints202312.0225.v1

Abstract

Cathode materials play a key role in the development and application of lithium-ion batteries, but the unfavorable factors such as structural phase transformation and low conductivity in the cycling process restrict the further improvement of battery performance, so the development and modification of high-performance cathode materials is a current research hotspot. LiNixCoyMn1-x-yO2(x≥0.6), a high-nickel cathode material, has the advantages of high platform potential, high energy density and low cost, and is an ideal material to achieve the goal of 300 Wh kg-1 and above for batteries. However, its poor thermal stability, poor interface stability, safety and life cannot meet the requirements of current power batteries. In this paper, the research status of high-nickel cathode materials is introduced, including bulk doping and surface coating, and the modification method of doping and coating integration is also introduced. Finally, we put forward the prospect of the future development trend of high-nickel cathode materials.

Keywords

Lithium-ion batteries; High-nickel cathode materials; Bulk doping; Surface coating

Subject

Chemistry and Materials Science, Materials Science and Technology

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