Types of batteries - energy as an element of life

Types of batteries - energy as an element of life

It's hard to live without energy-powered devices. They accompany us at every step. Home appliances and electronics at home, electric cars, street lights turning on after dark, computers which are almost everywhere. Modern people are so used to energy-powered devices, that when the power goes out, they mostly don't know how to deal with it. A power outage prevents you even from shopping! Cashiers cannot work without it. There are a lot of devices which are also powered, but they don't have to be connected to electricity, their needs are not that great. You just need battery power to enjoy their full usefulness. It is extremely functional, because such devices can be used almost everywhere. The flashlight will work in the woods, a portable radio  will be great on a vacation trip away from civilization. The milk frother will easily work in the back room of the office, and the mood at home can be built thanks to a light chain. All of those devices are powered by batteries. The ubiquitous mobile phones also have a battery. It is impossible to count all the devices which work thanks to batteries. Different power consumption and various sizes of portable devices working with this type of power supply had a huge impact on creating a wide variety of types of batteries.


Types of batteries

Batteries and accumulators are electrochemical power sources. When the reaction is activated inside them, energy is generated. Each type of battery and accumulator consists of one or more cells. In turn, the cells are divided into secondary-rechargeable and primary-non-rechargeable.

Batteries are available in many types and shapes. This allows them to be used in a variety of devices. We'll discuss the two most common types in separate sections.


Alkaline batteries

This is one of the most popular types of batteries. They were invented relatively not so long ago - in 1959 by the American chemist Lewis Urry. They have alkaline cells with a voltage of 1.5V. The cathode of the cell in this type of battery is made of manganese dioxide powder, while the anode is made of zinc oxide. The alkaline electrolyte is an aqueous solution of potassium hydroxide.

Alkaline batteries work well in devices such as portable radios and tape recorders, flashlights, cameras, shavers, epilators and electronic games. They most often power the gadgets which accompany us in everyday life.


Silver batteries

Batteries of this type were invented at the end of the 19th century. Their rated voltage of silver cells is 1.55V. The cathode is silver oxide, the anode is zinc. The basic electrolyte is a potassium hydroxide solution.

Silver batteries have the highest capacity to weight ratio among the available galvanic cells. They are used wherever there is a need for voltage stability. Perfect for watches, calculators and cameras. This type of batteries is also used in bicycle devices.


Other types

Silver and alkaline batteries accompany us most often. However, there are many more types of batteries. Quicksilver batteries, lithium-manganese batteries or zinc-air batteries are also available on the market. It is a very practical and safe way of power supply, opening unlimited possibilities for users.

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