AA Size Carbon Zinc Battery
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Product name: AA Size Carbon Zinc Battery
R6 Zinc carbon battery
R6 Zinc Carbon Battery Electrical Characteristic
(Condition: on-load resistance 3.9Ω, precision ±0.5%, time:0.3S, temperature:20℃±2℃. Testing should be done within 30days upon the receipt of goods.)
Zinc Carbon Battery Precautions
(1) Check the electrical and battery contacts for cleanliness, clean them with a damp cloth if necessary, and load them with the correct polarity after drying;
(2) Do not mix old and new batteries. The same model but different types of batteries cannot be mixed.
(3) It is forbidden to regenerate the primary battery by heating, charging or other methods of the primary battery;
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The full name of the carbon battery should be a carbon zinc battery (because it is generally a positive carbon rod, negative electrode is a zinc skin), also known as zinc-manganese battery, is currently the most common dry battery, it has the characteristics of low cost and safe and reliable use Because of environmental considerations, because it still contains cadmium, it must be recycled so as not to damage the global environment.
Carbon Zinc Battery Structure principle
Zinc-manganese dry batteries are commonly used dry cells in daily life.
Cathode material: MnO2, graphite rod
Anode material: zinc sheet
Electrolyte: NH4Cl, ZnCl2 and starch paste
Battery symbol can be expressed as
(-) Zn|ZnCl2, NH4Cl(paste)‖MnO2|C(graphite) (+)
Negative electrode: Zn=Zn2++2e
Positive electrode: 2MnO2+2NH4++2e=Mn2O3+2NH3+H2O
Total reaction: Zn+2MnO2+2NH4+=2Zn2++Mn2O3+2NH3+H2O
The electromotive force of zinc-manganese-carbon battery is 1.5V