Overview
Industrial grade nickel hydroxide (Ni(OH)2) is an inorganic compound primarily used in electrochemical applications. As a transition metal hydroxide, it serves as a precursor for nickel-based battery materials and industrial catalysts. Its importance in energy storage systems has grown with the demand for rechargeable batteries, particularly in the consumer electronics and electric vehicle sectors. The industrial grade typically has a purity of 98-99.5%, with controlled particle size distribution for specific applications.
Physical and Chemical Properties
Nickel hydroxide appears as a green crystalline powder with a density of 4.10 g/cm³. It decomposes at 230°C rather than melting, releasing water vapor. The compound is insoluble in water but dissolves in acids and ammonia solutions. Its electrochemical properties are particularly valuable, with a theoretical capacity of 289 mAh/g when used in battery cathodes. The material exhibits good thermal stability and maintains its structure under normal operating conditions, making it reliable for industrial processes.
Main Applications
The primary use of industrial nickel hydroxide is in nickel-based battery systems, including nickel-cadmium (Ni-Cd) and nickel-metal hydride (Ni-MH) batteries. These are widely used in portable electronics, medical devices, and hybrid vehicles. Additional applications include its use as a catalyst in organic synthesis and hydrogenation reactions. In electroplating, it serves as a nickel source for producing corrosion-resistant coatings. Some specialty applications utilize it in supercapacitors and fuel cell technologies.
Safety and Storage
As a nickel compound, industrial-grade nickel hydroxide requires careful handling due to potential health effects. Inhalation of dust may cause respiratory irritation, and prolonged exposure can lead to nickel sensitization. Storage should be in sealed containers in dry, well-ventilated areas, separated from strong acids and oxidizing agents. Proper PPE including dust masks and gloves should be used when handling. Spills should be contained and cleaned with wet methods to prevent dust dispersion.
B2B Procurement Guide
When sourcing industrial nickel hydroxide, buyers should specify purity requirements (typically 98-99.5% for battery applications), particle size distribution (usually 5-15 microns), and tap density (1.5-2.2 g/cm³). Key supplier qualifications include ISO certification, batch consistency guarantees, and material safety documentation. Large-scale buyers should negotiate long-term contracts due to nickel price volatility. Testing for impurities like iron, cobalt, and zinc is crucial for battery-grade material.
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