Alkaline Battery Discharge

Zn + 2MnO₂ + H₂O → ZnO + 2MnOOH

अवलोकन

Alkaline batteries use zinc powder anode and MnO₂ cathode in potassium hydroxide electrolyte, producing 1.5 V. They offer 4–9 times the capacity of zinc-carbon cells for high-drain devices. The alkaline electrolyte provides lower internal resistance and better performance at high current.

प्रतिभागी

भूमिका	पदार्थ	गुणांक	अवस्था
अभिकारक	Zinc Zn	1	(s)
अभिकारक	Water H₂O	1	(l)
अभिकारक	Manganese Dioxide MnO₂	2	(s)

रोजमर्रा का उदाहरण

Duracell and Energizer AA batteries are alkaline cells — the most common battery type in the developed world.

औद्योगिक महत्व

About 10 billion alkaline batteries are sold globally each year, representing the largest segment of the $50 billion primary battery market.

गुण

प्रकार: Electrochemical
प्रतिवर्ती: नहीं
ऊर्जा: ऊष्माक्षेपी
ΔH: -315.0 kJ/mol

Frequently Asked Questions

What is the equation for Alkaline Battery Discharge?

The balanced equation is: Zn + 2MnO₂ + H₂O → ZnO + 2MnOOH.

What type of reaction is Alkaline Battery Discharge?

Alkaline Battery Discharge is a electrochemical reaction.

Is Alkaline Battery Discharge exothermic or endothermic?

Alkaline Battery Discharge is exothermic (releases energy). The enthalpy change (ΔH) is -315.0 kJ/mol.