What is the difference between a battery and a battery?

Battery means a space in a cup, tank or other container or composite container containing an electrolyte solution and a metal electrode to generate electrical current, a device capable of converting chemical energy into electrical energy. It has a positive electrode and a negative electrode. As technology advances, batteries are broadly referred to as small devices that generate electrical energy such as solar cells. The performance parameters of the battery mainly include electromotive force, capacity, specific energy and resistance. By using the battery as an energy source, it is possible to obtain a current having a stable voltage, a stable current, a stable power supply for a long time, and little influence from the outside, and the battery has a simple structure, is convenient to carry, and is easy to operate in charge and discharge, and is free from external climate and temperature. The impact stable and reliable performance, play a big role in all aspects of modern social life.

The battery includes a dry battery and a battery.

Dry battery - The battery is a primary battery in a chemical power supply and is a disposable battery. Since this chemical power supply device has an electrolyte that is a non-flowable paste, it is called a dry battery, which is said relative to a battery having a flowable electrolyte. Dry batteries are not only suitable for flashlights, semiconductor radios, tape recorders, cameras, electronic clocks, toys, etc., but also for various fields in the national economy such asspecial, scientific research, telecommunications, navigation,special, medicine, etc., very easy to use. Ordinary dry batteries are mostly manganese-zinc batteries, with a positive carbon rod in the middle, a mixture of graphite and manganese dioxide, and a layer of fiber mesh. The network is coated with a thick electrolyte paste, which is composed of ammonium chloride solution and starch. There is also a small amount of preservative. The outermost layer is a cylinder made of metal zinc, and the dry cylinder of zinc is a negative electrode.

Battery - a lead substrate grid (also known as a grid) filled with spongy lead as a negative electrode, a lead substrate grid filled with lead dioxide as a positive electrode, and a dilute sulfuric acid having a density of 1.26--1.33 g/mlg/ml as an electrolyte. When the battery is discharged, the metal lead is the negative electrode, and an oxidation reaction occurs to form lead sulfate; the lead dioxide is a positive electrode, and a reduction reaction occurs to form lead sulfate. When the battery is charged by direct current, the two electrodes generate elemental lead and lead dioxide, respectively. After removing the power supply, it returns to the state before discharge to form a chemical battery. The lead storage battery can be repeatedly charged and discharged. Its single-cell voltage is 2V. The battery is a battery pack composed of one or more monomers. The battery is referred to as the battery. The most common one is 6V. Others have 2V, 4V, 8V, 24V batteries. . For example, a battery used in a car (commonly known as a battery) is a battery pack in which six lead batteries are connected in series to form a 12V battery.

The so-called battery is an electrical chemical device that stores chemical energy and discharges electric energy when necessary.

A battery is one of the batteries. Its function is to store limited electric energy and use it in a suitable place. It works by converting chemical energy into electrical energy. It uses a lead plate filled with sponge lead as a negative electrode, a lead plate filled with lead dioxide as a positive electrode, and 1.28% of dilute sulfuric acid as an electrolyte. When charging, electrical energy is converted into chemical energy, which is converted into electrical energy during discharge. When the battery is discharged, the metal lead is a negative electrode, which undergoes an oxidation reaction and is oxidized to lead sulfate; the lead dioxide is a positive electrode, and a reduction reaction occurs, and is reduced to lead sulfate. When the battery is charged by direct current, the two poles respectively produce lead and lead dioxide. After removing the power supply, it returns to the state before discharge to form a chemical battery. A lead storage battery is a battery that can be repeatedly charged and discharged, and is called a secondary battery. Its voltage is 2V, usually three lead batteries are used in series the voltage is 6V. The car uses six lead batteries in series to form a 12V battery pack. The lead storage battery should be supplemented with distilled water after a period of use to keep the electrolyte containing 22-28% of dilute sulfuric acid. When discharging, the electrode reaction is: PbO2+4H++SO42-+2e-=PbSO4+2H2O Negative reaction: Pb+SO42--2e-=PbSO4 Total reaction: PbO2+Pb+2H2SO4===2PbSO4+2H2O (to the right The reaction is a discharge, and the reaction to the left is a charge)

The battery is an important power supply device for the circuit load of the automobile, that is, the power supply device for all circuits of the automobile. Various electric loads include various electric lights, sounds, igniters, various oil pumps, brake pumps and the like. The maintenance of the battery is very important. Its daily charging can be carried out in normal use of the car, so the car needs to be charged for a period of time for a long time without using it for a long time. Otherwise, it will cause serious power loss. If you can't get a fire, you can only charge the external power supply. It is very troublesome.

A device that converts chemical energy into electrical energy is called a chemical battery, and is generally referred to as a battery. After discharge, the internal active material can be regenerated by charging - storing electrical energy as chemical energy; and converting the chemical energy into electrical energy when discharging is required. Such a battery is called a battery (storage battery), which is also called a secondary battery.

The so-called battery is an electrical chemical device that stores chemical energy and discharges electric energy when necessary.

A battery (StorageBattery) is a device that converts chemical energy directly into electrical energy. It is a rechargeable battery that is recharged by a reversible chemical reaction. It is usually a lead-acid battery, which is one of the batteries belongs to the secondary battery. Its working principle: the external electric energy is used to regenerate the internal active material during charging, and the electric energy is stored as chemical energy. When discharging, the chemical energy is converted into electric energy output again, such as the mobile phone battery commonly used in life.

It uses a lead substrate grid (also called a lattice body) filled with sponge lead as a negative electrode, a lead substrate grid filled with lead dioxide as a positive electrode, and a dilute sulfuric acid having a density of 1.26--1.33 g/mlg/ml as an electrolyte. When the battery is discharged, the metal lead is the negative electrode, and an oxidation reaction occurs to form lead sulfate; the lead dioxide is a positive electrode, and a reduction reaction occurs to form lead sulfate. When the battery is charged by direct current, the two electrodes generate elemental lead and lead dioxide, respectively. After removing the power supply, it returns to the state before discharge to form a chemical battery. The lead storage battery can be repeatedly charged and discharged. Its single-cell voltage is 2V. The battery is a battery pack composed of one or more monomers. The battery is referred to as the battery. The most common one is 6V. Others have 2V, 4V, 8V, 24V batteries. . For example, a battery used in a car (commonly known as a battery) is a battery pack in which six lead batteries are connected in series to form a 12V battery.

Battery schematic

Battery schematic

For traditional dry-charged lead storage batteries (such as automotive dry-charge batteries, motorcycle dry-charge batteries, etc.), the distilled water should be added after a period of use to keep the dilute sulfuric acid electrolyte at a density of about 1.28 g/ml; for maintenance-free batteries, It is no longer necessary to add distilled water until use is terminated.

Chemical principle

The equation is as follows:

Total reaction: Pb(s)+PbO2(s)+2H2SO4(aq) reversible symbol 2PbSO4(s)+2H2O(l)

When discharging: negative Pb(s)-2e-+SO42-(aq)=PbSO4(s)

Positive PbO2(s)+2e-+SO42-(aq)+4H+(aq)=PbSO4(s)+2H2O(l)

Total Pb(s)+PbO2(s)+2H2SO4(aq)=2PbSO4(s)+2H2O(l)

Electrolysis cell during charging

Cathode PbSO4(s)+2e-=Pb(s)+SO42-(aq)

Anode PbSO4(s)+2H2O(l)-2e-=Pbo2(s)+SO42-(aq)+4H+(a

Note (The cathode is the negative electrode when charging)

Physical composition

The main components of a lead storage battery are as follows:

Anode plate (lead peroxide. PbO2)--->active material

Cathode plate (sponge lead. Pb)--->active substance

Electrolyte (diluted sulfuric acid)---> sulfuric acid (H2SO4) + distilled water (H2O)

Battery case, cover (PPABS flame retardant)

Isolation board (AGM)

Safety valve

Positive and negative columns, positive and negative columns, etc.

Physical quantity contact

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