Difference Between Primary Cell and Secondary Cell : For the NEET syllabus , understanding the difference between primary and secondary cells is crucial for aspiring medical professionals. Primary cells, like zinc-carbon and alkaline batteries, are non-rechargeable, offering one-time use with simpler construction.
On the other hand, secondary cells, such as lithium-ion and nickel-cadmium batteries, are rechargeable, and designed for multiple-use cycles with more complex structures. NEET aspirants should grasp these differences as they need to build their concepts around energy sources, providing a foundational understanding aligned with the NEET Syllabus.Difference Between Primary Cell and Secondary Cell | ||
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Parameter | Primary Cell | Secondary Cell |
Rechargeability | Non-rechargeable; cannot be recharged. | Rechargeable; can be recharged multiple times. |
Chemical Composition | Uses chemical reactions that are not easily reversible. | Chemical reactions are reversible during charging and discharging. |
Construction | Typically, it is simpler construction. | More complex construction with multiple components. |
Longevity | Generally has a shorter lifespan. | Longer lifespan can be recharged for extended use. |
Use-and-Throw | Often designed for single-use, disposable applications. | Intended for repeated use, reducing environmental impact. |
Examples | Zinc-carbon, alkaline batteries. | Lithium-ion, nickel-cadmium batteries. |
Self-Discharge Rate | Higher self-discharge rate. | Lower self-discharge rate. |
Applications | Commonly used in devices with low energy requirements. | Suitable for high-energy applications, such as electric vehicles and electronics. |
Cost | Generally lower initial cost. | Higher initial cost but cost-effective over the long term. |