Battery cell - Automotive Dictionary

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The smallest unit in an EV’s overall battery pack. Thousands of cells are often required to store enough electricity for an EV.

Alternative Meanings:

Battery Cell
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Battery Cell:
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A battery cell is the fundamental building block of a battery, containing the components necessary for the electrochemical reaction that produces electrical energy. Each cell consists of an anode, a cathode, and an electrolyte.
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Key Concepts and Features:
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1. Components:
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- Anode: The negative electrode where oxidation occurs, releasing electrons.
- Cathode: The positive electrode where reduction occurs, gaining electrons.
- Electrolyte: A medium that allows ions to move between the anode and cathode, facilitating the electrochemical reaction.
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1. Voltage:
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- The voltage of a single cell depends on the materials used for the electrodes and the electrolyte. For instance:!-- wp:list --
  - Lead-Acid Cells: Each cell produces about 2 volts.
  - Nickel-Cadmium (NiCd) Cells: Each cell produces about 1.2 volts.
  - Lithium-Ion Cells: Each cell produces about 3.6 to 3.7 volts.
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1. Battery Construction:
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- Six-Volt Batteries: Typically have three cells connected in series, each contributing approximately 2 volts.
- Twelve-Volt Batteries: Typically have six cells connected in series, each contributing approximately 2 volts.
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