Formation of Lithium Oxide

4Li + O2 → 2Li2O

概述

Lithium metal reacts with oxygen to form lithium oxide. Unlike the heavier alkali metals, lithium primarily forms the normal oxide rather than the peroxide or superoxide. This reaction occurs readily at room temperature, causing lithium to tarnish in air.

参与者

角色 物质 系数 状态
反应物 Oxygen O 1 (g)
反应物 Lithium Li 4 (s)

日常示例

Lithium batteries can react violently if the lithium metal inside is exposed to air, partially due to this oxidation reaction.

工业重要性

氢氧化锂（由Li₂O水化得到）是制备高镍三元锂离子电池正极材料（NCM811）的关键前体，随电动车需求激增，LiOH·H₂O的市场价格和产能迅速扩大。

属性

类型
Synthesis
可逆
否
能量
放热
ΔH
-1198.4 kJ/mol

相关反应

Formation of Calcium Hydroxide Formation of Carbon Monoxide Formation of Nitrogen Dioxide Formation of Potassium Chloride Formation of Sodium Bicarbonate Formation of Sodium Peroxide Formation of Silicon Dioxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Lithium Oxide?
The balanced equation is: 4Li + O₂ → 2Li₂O.
What type of reaction is Formation of Lithium Oxide?
Formation of Lithium Oxide is a synthesis reaction.
Is Formation of Lithium Oxide exothermic or endothermic?
Formation of Lithium Oxide is exothermic (releases energy). The enthalpy change (ΔH) is -1198.4 kJ/mol.