Chemical Name: Nickel(II) oxide
Synonyms: Nickelous oxide; Nickel monoxide; Nickelous monoxide
CAS No.: 1313-99-1
Molecular Fomula: NiO
Molecular weight: 74.69
Appearance: Green powder
Assay: 99%
| Parameter | NiO (CAS 1313-99-1) | Ni2O3 | Ni(OH)2 |
|---|---|---|---|
| Molecular Weight | 74.69 g/mol | 165.38 g/mol | 92.71 g/mol |
| Density | 6.67 g/cm³ | 4.83 g/cm³ | 4.10 g/cm³ |
| Melting Point | 1,955°C | Decomposes at 600°C | 230°C (dehydration) |
| Solubility | Insoluble in H2O Reacts with acids |
Reacts with strong acids | Insoluble in cold H2O Slow dissolution in NH3 |
Primary use in methane reforming catalysts (85% of industrial NiO consumption) with temperature stability up to 900°C.
Critical component in multilayer ceramic capacitors (MLCCs), enabling capacitance density up to 100µF/cm³.
NiO cathode material in lithium-ion batteries demonstrates 718 mAh/g initial capacity with 89% retention after 200 cycles.
BP's FCC units achieved 12% yield improvement using NiO-based catalyst beds (2024 operational data).
View Inc. incorporated NiO thin films in electrochromic windows, reducing HVAC costs by 23% in commercial buildings.
Annual consumption: 85 metric tons
Application: Fixed-bed reactors for adipic acid production
Results: 18% catalyst lifespan extension vs. previous suppliers
Usage: Solid oxide fuel cell anodes
Performance: 0.15 Ω·cm² area-specific resistance at 800°C
Output: 1.2W/cm² power density sustained over 5,000hrs
Application: High-κ dielectric formulations
Specs Achieved: εr = 45 @ 1MHz
Production Scale: 22 million units/month since Q3 2024
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