Application and challenges of coating technology in cathode materials of lithiumion batteries
ZHOU Yuan
PAN Wencheng
MA Luxiang
CHEN Tiandong
SUN Yanxia
Abstract：Significance This paper aims to summarize the current status of coating technology applications and explore its role in enhanc-ing the overall performance of lithium-ion batteries,thereby promoting advancements in lithium-ion battery technology.
Progress The principles,advantages,disadvantages,and industrial application progress of three coating methods,wet,dry,and vapor phase methods,are reviewed.The wet chemical process is simple to operate but requires high equipment standards.The dry chemical process is cost-effective but energy-intensive.The vapor phase chemical process offers high purity but involves complex procedures.Research on coating technology focuses on developing new coating materials,.optimizing environ-mentally friendly coating processes,and improving the functionality and stability of the coating layer.Several companies have made significant progress in applying coating technology to lithium-ion battery cathode materials,advancing the practical imple-mentation of this technology.
Conclusions and Prospects Developing more advanced coating technologies is expected to significantly improve the performance of lithium-ion batteries,providing more efficient and reliable energy storage solutions.Research trends include:1)Exploring coating mechanisms.Investigating the interface reaction mechanisms between the coating layer and the cathode material to reduce adverse reactions and improve material stability.2)Optimizing coating processes.By refining the coating process to opti-mize coating layer thickness and uniformity,the electrochemical and cycling performance of lithium-ion battery cathode materi-als can be enhanced.3)Exploring coating characterization.Emerging techniques such as high-throughput analysis,in-situ char-acterization,and nanoscale characterization will significantly improve the research efficiency and accuracy of surface coating lay-ers,providing strong support for the development and application of new materials.4)Selection and design of materials.Choos-ing suitable coating materials and designing coating layers with excellent performance and stability remain key challenges.5)Process optimization.Developing more environmentally friendly and energy-efficient coating processes to reduce production costs and environmental pollution is a pressing issue.6)Industrial application.The stability and reliability of coating technology in large-scale production need further validation.
Keywords：lithium-ion batterycathode materialcoatingindustrialization progress
Publication Date：2025-02-24
Pages：13( 74-86 )