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Does a Car Need a New Battery When It Runs Out of Power?

1 Answers

CamilleRose

07/30/25 8:47am

When a car runs out of power, it needs a new battery. Here are the relevant details: 1. Function: A battery, also known as a storage battery, is a type of cell that works by converting chemical energy into electrical energy. Typically, the term 'battery' refers to a lead-acid battery, which is mainly made of lead and its oxides, with a sulfuric acid solution as the electrolyte. 2. Working Principle: It uses a lead plate filled with spongy lead as the negative electrode, a lead plate filled with lead dioxide as the positive electrode, and a 22~28% dilute sulfuric acid solution as the electrolyte. During charging, electrical energy is converted into chemical energy, and during discharging, chemical energy is converted back into electrical energy. When the battery discharges, metallic lead acts as the negative electrode, undergoing an oxidation reaction and being oxidized to lead sulfate; lead dioxide acts as the positive electrode, undergoing a reduction reaction and being reduced to lead sulfate.

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Which Pedal is the Brake?

In a manual transmission, it's the second pedal. The order of the three pedals is: clutch, brake, and accelerator. Automatic transmissions don't have a clutch, only the two pedals on the right, with the order being brake and accelerator. Below is the relevant introduction: 1. Brake Pedal: As the name suggests, the brake pedal is the pedal that limits power, i.e., the pedal for the foot brake (service brake). The brake pedal is used to slow down and stop the vehicle. It is one of the five major controls in car driving and is used very frequently. How the driver controls it directly affects driving safety. 2. Accelerator Pedal: Also known as the throttle pedal, its main function is to control the opening of the engine throttle, thereby controlling the engine's power output. Traditional accelerator pedals are connected to the throttle via a throttle cable or linkage.

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