Product Name: Cobalt Monoboride (CoB) 
Specification: 0.8-10um (D50) 
Appearance: Irregular 
Color: Black Grey 
Characteristics: It has metal hardness, high melting point, excellent magnetism, conductivity, and corrosion resistance 
Application: Hard alloy, magnetic materials, high-temperature lubricants, electronic materials and other fields

English name: COBALT BORIDE 
Chemical formula: CoB 
Melting point: 1460 ° C 
Density: 7.250 
Color: Black Grey 
Appearance: Grey black powder 
Density: 8.1 grams/cm3 
Molecular weight: 69.74 
EINECS number: 235-722-7 
Purpose: 
1. Amorphous Co-B is a new type of material with short-range ordered and long-range disordered structures, which belongs to the metastable state thermodynamically. At present, Co-B powder has been widely used as a catalyst for hydrogenation reactions and on-site hydrogen production reactions due to its excellent catalytic activity, hydrogenation activity, and hydrogenolysis activity. The carrier can disperse the catalyst components on the surface of the carrier, obtain a higher specific surface area, and improve the catalytic efficiency per unit mass of active components. Therefore, on the one hand, the carrier needs to have a suitable shape and mechanical strength, and on the other hand, it also needs to have good inertness, that is, the carrier cannot react with the catalyst or raw materials. Obviously, using crystalline Co-B powder with porous structure as a carrier for amorphous Co-B catalyst has more advantages in chemical compatibility than other carriers. 
2. The use of cobalt boride modified bismuth vanadate film photoanode for photoelectrochemical water splitting Compared with a single BiVO film, the photocurrent of the cobalt boride modified bismuth vanadate film photoelectrode increased by 23 times 
3. Cobalt boride (Co2B) can be used as a catalyst for the generation of hydrogen from sodium borohydride in proton exchange membrane fuel cells. 
4. High corrosion resistance and wear resistance coatings that can be used on the surface of metal parts. 
Production process: 
A new method for preparing crystalline transition metal boride CoB by solid-state reaction between cobalt oxide or hydroxide and borohydride. The method of the present invention: Mix cobalt oxide or hydroxide with borohydride in a molar ratio of 1:1-1:1.5, press it under pressure of 15-20MPa, keep it under argon protection at 400-800 degrees for 6-24h, and then slowly cool it to room temperature; The obtained product was thoroughly washed with deionized water and ethanol, and vacuum dried to obtain the product CoB. 
2. Mix the elements boron and cobalt in proportion, press and shape them, and heat them in a heating furnace to produce. 
Packaging and storage: Sealed and stored in a dry and cool environment, not exposed to air, to prevent moisture from causing oxidation and aggregation, affecting dispersion performance and usage effectiveness