The oxygen release ability of tungsten oxide refers to its ability to release oxygen molecules (O2) or oxygen ions (O) under appropriate conditions.
Tungsten oxide can undergo oxygen evolution reaction under some conditions. A common situation is that at high temperatures, tungsten oxide can decompose and release oxygen molecules. This decomposition reaction usually involves the departure of oxygen atoms in the tungsten oxide crystal structure, thereby forming oxygen vacancies and releasing oxygen molecules.
Another situation is that under reducing conditions, tungsten oxide can react with reducing agent and release oxygen ions. This reaction involves a reducing agent reducing the oxygen ions in the tungsten oxide to oxygen molecules and releasing them.
The oxygen releasing ability of tungsten oxide is exploited in some applications. For example, in tungsten oxide-based catalysts, the oxygen releasing ability can promote the catalytic reaction and provide active oxygen species to participate in the reaction process. Furthermore, in the gas-sensitive material of tungsten oxide, the oxygen-releasing ability can be used to detect and sense the presence of gas molecules.
The oxygen release capability of tungsten oxide may be affected by its structure, temperature, environmental conditions, and other factors. Therefore, for specific applications, proper regulation and research are required to achieve the desired oxygen release properties.
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