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| Battery Panasonic R20 / D Special Power |
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| Producer / Offer: Panasonic |
| Type of Product: Zinc-Carbon Batteries |
Dimensions: (D)61.5 x 34.2(H x Diam./mm)
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| Packing [pcs]: B2/24 |
| EAN: 5410853032779 |
| Voltage: 1.50V |
| Weight: 200.00g |
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Description:
Zinc-Carbon Batteries – Structure, Advantages, Disadvantages, and Recycling
Zinc-carbon batteries are one of the oldest and most widespread power sources for electronic devices. Although this technology has largely been replaced by more modern solutions, such as alkaline batteries or lithium-ion accumulators, they still find application in many fields. In this article, we will examine the structure of zinc-carbon batteries, their advantages and disadvantages, and the principles of recycling these popular electrochemical cells.
Structure of a Zinc-Carbon Battery
A zinc-carbon battery is a galvanic cell that operates based on a chemical reaction between zinc and manganese dioxide (MnO₂). It consists of the following components:
1. Anode (negative electrode) – made of zinc, which acts as both a container and a reactive material.
2. Cathode (positive electrode) – composed of manganese dioxide (MnO₂) and additives that improve conductivity.
3. Electrolyte – typically ammonium chloride (NH₄Cl) or zinc chloride (ZnCl₂), which facilitate ion flow.
4. Separator – separates the anode from the cathode, preventing internal short circuits.
5. Casing – a metal or plastic container that protects the battery from mechanical damage.
During battery operation, zinc undergoes oxidation, and electrons flow through the external circuit to the cathode, where the reduction of manganese dioxide occurs. This process generates electrical energy, which can be used to power various devices.
Advantages of Zinc-Carbon Batteries
Zinc-carbon batteries have several significant advantages, making them still useful in many applications:
1. Low production cost – they are among the cheapest batteries on the market, making them attractive for users with a limited budget.
2. Ease of production – their technology is well known and does not require complex manufacturing processes.
3. Wide availability – they can be found in most electronics stores and supermarkets.
4. Good performance in low-power devices – suitable for TV remotes, wall clocks, and flashlights.
5. Lower environmental pollution compared to some older technologies – they do not contain mercury or cadmium, which were common in older types of batteries.
Disadvantages of Zinc-Carbon Batteries
Despite their advantages, zinc-carbon batteries also have drawbacks that limit their applications:
1. Short lifespan – they quickly lose their properties, especially in high-power consumption devices.
2. Lower capacity compared to alkaline batteries – zinc-carbon batteries provide less energy, requiring more frequent replacement.
3. Susceptibility to electrolyte leakage – in older models, the electrolyte may leak, potentially damaging devices.
4. Poor performance in low temperatures – cold significantly reduces their efficiency, limiting their use in winter conditions.
5. Non-rechargeable – unlike accumulators, zinc-carbon batteries cannot be reused.
Recycling of Zinc-Carbon Batteries
Recycling zinc-carbon batteries is crucial for environmental protection and the recovery of valuable raw materials. The process involves several stages:
1. Collection and segregation – used batteries are gathered at special collection points and transported to processing plants.
2. Mechanical shredding – batteries are shredded to separate their components.
3. Material separation – zinc, manganese dioxide, and other substances are isolated and processed.
4. Chemical processing – recovered materials can be reused in the production of new batteries or other industrial products.
5. Waste disposal – some components that cannot be recovered are properly disposed of to minimize environmental impact.
In many countries, regulations mandate battery recycling to reduce waste and prevent soil and groundwater contamination.
Zinc-carbon batteries, despite being relatively old technology, still find applications in many fields. Their simplicity, low cost, and availability make them popular, especially in low-power devices. However, they have limitations, such as lower capacity and shorter lifespan compared to modern alkaline batteries. Proper disposal and recycling of these batteries are essential to protect the environment and reuse valuable materials. In the future, with continued technological advancements, we can expect further evolution and replacement with more efficient solutions.
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| This product was added to our catalog on Sunday 20 March, 2011. |
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