# Electrochemistry

## Leclanché element

The manganese dioxide battery is also called a leclanché element. The positive electrode consists of manganese dioxide surrounded by an ammonium chloride solution. To prevent the battery from tipping over, the solution is coated with a swelling agent (e.g. the assembly is surrounded by a zinc jacket, the negative pole.

The following reactions take place:

Tab. 1
anode reaction in table compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.$\text{Zn}$relation is not yet implemented in inline mode. compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.${\text{Zn}}^{2+}$compound is not yet implemented in inline mode.${\text{e}}^{-}$ reaction in table compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.$\text{Mn}{\text{O}}_{2}$compound is not yet implemented in inline mode.${\text{H}}^{+}$compound is not yet implemented in inline mode.${\text{e}}^{-}$relation is not yet implemented in inline mode. compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.$\text{Mn}\text{O}\left(\text{O}\text{H}\right)$ reaction in table compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.${\text{Zn}}^{2+}$compound is not yet implemented in inline mode.$\text{N}{\text{H}}_{4}\text{Cl}$relation is not yet implemented in inline mode. compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.$\left[\text{Zn}{\left(\text{N}{\text{H}}_{3}\right)}_{2}{\text{Cl}}_{2}\right]$compound is not yet implemented in inline mode.${\text{H}}^{+}$ reaction in table compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.$\text{Zn}$compound is not yet implemented in inline mode.$\text{Mn}{\text{O}}_{2}$compound is not yet implemented in inline mode.$\text{N}{\text{H}}_{4}\text{Cl}$relation is not yet implemented in inline mode. compounds is not yet implemented in inline mode. compound is not yet implemented in inline mode.$\left[\text{Zn}{\left(\text{N}{\text{H}}_{3}\right)}_{2}{\text{Cl}}_{2}\right]$compound is not yet implemented in inline mode.$\text{Mn}\text{O}\left(\text{O}\text{H}\right)$