The main application of nickel oxide NiO powder

Overview of Nickel Oxide NiO Powder

Nickel oxide is an inorganic substance, a chemical formula, a molecular weight of 74.71, a green-black cubic crystal. Soluble in acid and ammonia, insoluble in water. The color is yellow when he is hot. It is obtained from nickel with oxygen at a greater than 400°C or is prepared from carbonate at 350°C. Used in combat, battery, glass, enamel, ceramics, electronic components, nickel salts, and as catalysts.

NiO adopts a NaCl structure and has octahedral Ni2 + and O2- positions. Conceptually simple structures are often referred to as halite structures. Like many other binary metal oxides, NiO is generally not stoichiometric, meaning that the Ni:O ratio deviates from 1:1.In nickel oxide, this non-stoichiometric NiO is accompanied by a color change; the stoichiometric correct NiO is green and the non-stoichiometric NiO is black.

Nickel can enter cells such that the enzyme and metabolic processes are destroyed, which in turn leads to a carcinogenic effect on certain carcinogen production. Contact with nickel salt can cause nickel eczema, nickel acne. Nickel oxide can be prepared by the following methods.

1. Nickel-salt calcined decomposition method uses a nickel alloy under a nickel, iron, copper, chromium, and the like to remove copper, iron, manganese and chromium, and the ammonia water, and the sulfuric acid is formed into sulfuric acid. Nickel ammonium, then calcined, pulverized, and nickel oxide finished products.

2. Place NiCO3 or Ni (NO3) 2·6H2O in a platinum crucible, heated at 1000-1100 °C for 6 h, and then cooled in N2 gas not containing O2.

3. Place NiCO3 in a pear-shaped drooper, repeatedly charged and pumped with N2 containing O2 to remove the air. The device was then tapped at 100 °C, and then heated to 350°C for 90min. The product was transferred to the glass bubbles prepared in advance and then sealed.

4. Nickel of nickel and ammonia.

Nickel carbonate is dissolved in sulfuric acid or nitric acid, and nickel is added to the pure base, and then washed, dried, and combusted.

The ammonia method is to dissipate nickel waste, and ammonium sulfate is added to nickel sulfate, and then dehydrated, calcined, and pulverized.

Applications of Nickel Oxide NiO Powder

NiO has many special uses. The general application is divided into "chemical grade" and "metallurgical grade". The former is a relatively pure material for special purposes, and the latter is mainly used for the production of alloys. It is used in the ceramic industry to make frit, ferrite and enamel. Sintered oxides are used to produce nickel steel alloys.

NiO is a commonly used hole transport material for thin-film solar cells. It is also a component of a nickel-iron battery, also known as an Edison battery, and a component of a fuel cell.

NiO is the precursor of many nickel salts, used as specialty chemicals and catalysts.

Recently, NiO has been used to manufacture nickel-cadmium rechargeable batteries in many electronic devices until the development of nickel-metal hydride batteries with better environmental protection.

 NiO is an anode electrochromic material and has been extensively studied as a counter electrode of cathode electrochromic material tungsten oxide in complementary electrochromic devices.

Black NiO is the precursor of nickel salt, which is produced by inorganic acid treatment.

NiO is a multifunctional hydrogenation catalyst.

Heating nickel oxide with hydrogen, carbon, or carbon monoxide turns it into metallic nickel.

NiO combines with sodium and potassium oxides at high temperatures (>700°C) to form the corresponding nickelate.

NiO is used to make electrical ceramics, such as thermistors and varistors.

Ferrite (nickel-zinc ferrite) ceramics, glasses and glass pigments.

Nickel oxide can react with acids to form salts and other compounds.

NiO is used for electroplating of hydrosulfurization catalyst and nickel sulfonate of nickel molybdate.

Gold-doped nickel oxide film can be used as a transparent electrode in optoelectronic devices.

Nickel Oxide NiO Powder Price

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