Electrode Material Porous Copper Foam New Energy Material For Heat Dissipation

Electrode Material Porous Copper Foam New Energy Material For Heat Dissipation

Copper foam is a new multifunctional material with a large number of connected or disconnected pores evenly distributed in the copper matrix. The copper foam has good conductivity and ductility, and the preparation cost is lower than that of the nickel foam, and the electrical conductivity is better. It can be used to prepare battery negative electrode (carrier) materials, catalyst carriers and electromagnetic shielding materials. In particular, the use of foamed copper as the base material of the battery electrode has some obvious advantages, but the corrosion resistance of copper is not as good as that of nickel, which limits some of its applications.

Copper foam is a new type of functional material which is mainly used in the following fields:

(1) Electrode material. The excellent electrical conductivity enables copper foam to be widely used as electrode skeleton materials for new batteries such as nickel-zinc batteries and electric double-layer capacitors. At present, copper foam has been tried by many nickel-zinc battery manufacturers and put into mass use. Copper is expected to be popularized and applied as an electrode current collector for electric double layer capacitors; in addition, copper foam is also used as an electrode material for electrolytic recovery of copper-containing wastewater, which also has very broad prospects.

(2) Catalyst. In many organic chemical reactions, people try to directly replace the punched copper plate with copper foam with a large specific surface area as a chemical reaction catalyst; copper foam has also been successfully used as a photocatalytic air purification carrier.

(3) Thermally conductive material. Copper foam has excellent thermal conductivity, making it a flame retardant material with excellent performance. It has been used in many advanced fire-fighting equipment abroad, especially as flame isolation equipment. In addition, people use the excellent thermal conductivity of copper foam. And apparent permeability, it is made into heat dissipation material for motors and electrical appliances.

(4) Noise reduction and shielding materials. The sound wave is diffusely reflected on the surface of the foamed copper, and the effect of noise reduction is achieved through the principles of expansion noise reduction and microporous noise reduction. The shielding performance of copper is close to that of silver, and it is an electromagnetic shielding material with excellent performance.

(5) Filter material. Excellent structural properties and basically harmless to the human body, copper foam products have also been successfully applied as medical filter materials; at the same time, the application of foam copper in water purification devices also has a good future.

(6) Fluid pressure buffer material. The dispersion and buffering effect of foamed copper on the fluid makes it a decompression protection device for various pressure instruments, which has excellent effects.