Lithium Cobalt Oxide

Characteristic

Lithium Cobalt Oxide Sputtering Target is a widely used material in thin-film deposition processes, primarily for battery applications. Lithium cobalt oxide is a well-known cathode material in lithium-ion batteries due to its high energy density, stable layered structure, and long cycle life. As a sputtering target, LiCoO₂ allows for the deposition of thin films in micro-battery technologies and other electronic applications that benefit from its electrochemical properties.

Physical Properties:

Chemical formula：LiCoO2

Molar mass： 97.87 g mol−1

Appearance: Generally a dark gray to black, dense solid.

Density: Around 4.8 g/cm³.

Target Dimensions: Commonly manufactured in diameters of 2 to 4 inches and custom sizes as needed. Thicknesses vary based on specific sputtering system requirements.

Sputtering Properties:

Deposition Rate: The deposition rate of LiCoO₂ is determined by factors such as sputtering power, gas pressure, and target composition, and it is typically optimized to achieve uniform, high-quality thin films.

Film Stoichiometry: Lithium cobalt oxide sputtering targets allow for precise control over film stoichiometry, which is crucial in battery applications to maintain electrochemical performance.

Electrical Conductivity: While LiCoO₂ itself has better conductivity than other lithium cathode materials, it may still benefit from coatings or additives when used in demanding electronic applications.

Applications:

Thin-Film Lithium-Ion Batteries: LiCoO₂ thin films are widely used as the cathode material in thin-film lithium-ion batteries for microelectronics, portable devices, and wearables. Its high energy density and long cycle life make it suitable for applications that require reliable and compact power sources.

Microelectronics and Sensors: As a thin-film cathode material, LiCoO₂ is used in microelectronic devices, small sensors, and medical devices, benefiting from its high stability and energy capacity.

Research and Development: Lithium cobalt oxide sputtering targets are commonly used in research for next-generation battery technology, exploring properties such as thermal stability, ionic conductivity, and interfacial characteristics with electrolytes.