Copper chromite (CAS 12018 - 10 - 9) is a well - known inorganic compound. It typically appears as a black or dark brown powder. The chemical formula of copper chromite is often represented as CuCr₂O₄.
From a physical property perspective, it has a relatively high melting point, which makes it stable under high - temperature conditions. In terms of its solubility, it is insoluble in water. This property makes it suitable for applications where water resistance is required. Its particle size distribution can vary depending on the manufacturing process, usually ranging from fine powders with particle sizes in the micrometer scale.
1. Catalyst: Copper chromite is widely used as a catalyst in various chemical reactions. It can accelerate the dehydrogenation reactions, such as the conversion of alcohols to aldehydes or ketones. For example, in the production of certain pharmaceutical intermediates, it can significantly improve the reaction rate and selectivity.
2. Pigment: Due to its deep color, it can be used as a pigment in the ceramics and glass industries. It can provide stable and long - lasting colors, making it ideal for decorative and functional applications in these sectors.
3. Battery materials: In some advanced battery technologies, copper chromite can be used as a component in electrode materials. It can help improve the energy storage capacity and charge - discharge efficiency of the battery.
When using copper chromite as a catalyst, it is crucial to determine the appropriate dosage based on the specific reaction system. Usually, a small amount of copper chromite can have a significant catalytic effect. Add the catalyst slowly to the reaction mixture under stirring to ensure uniform dispersion. The reaction temperature and pressure also need to be carefully controlled according to the reaction requirements.
When using it as a pigment, it should be well - mixed with the base material, such as ceramic glaze or glass batch. The mixing process may require specific equipment to ensure a homogeneous distribution of the pigment, which is essential for achieving uniform coloration.
For battery applications, strict procedures are required for the preparation of electrode materials using copper chromite. It needs to be combined with other active materials, conductive additives, and binders in a specific ratio. The electrode preparation process involves coating, drying, and calendaring steps to ensure good electrochemical performance.
1. Chemical industry case: A chemical company was producing a key pharmaceutical intermediate through an alcohol dehydrogenation reaction. Before using copper chromite as a catalyst, the reaction had a low conversion rate and long reaction time. After adding an appropriate amount of copper chromite catalyst, the reaction conversion rate increased from 30% to over 90%, and the reaction time was reduced from 10 hours to just 3 hours. This not only improved the production efficiency but also reduced the production cost.
2. Ceramics industry case: A ceramics manufacturer was looking for a pigment to create a unique black - colored ceramic product. After using copper chromite, they found that the color was more vivid and stable compared to traditional pigments. The copper chromite - pigmented ceramics also showed better resistance to fading and scratching during long - term use, which enhanced the market competitiveness of their products.
3. Battery industry case: A research institution was developing a new - type lithium - ion battery. By incorporating copper chromite into the cathode material, they found that the battery's specific capacity increased by 15% compared to the original design. The charge - discharge cycle performance also improved significantly, with less capacity decay after 500 cycles. This indicates that copper chromite has great potential in improving battery performance.
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