main types of batteries and their working pdf Saturday, March 27, 2021 2:10:03 PM

Main Types Of Batteries And Their Working Pdf

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Batteries power the modern world. Learn how to recognize the different types you may encounter, as well as safety tips, and their recycling process.

Part IA Linear Circuits and Devices

Batteries are the most common power source for basic handheld devices to large scale industrial applications. A battery can be defined as; it is a combination of one or more electrochemical cells that are capable of converting stored chemical energy into electrical energy. A battery is a device, which consists of a various voltaic cells. Each voltaic cell consists of two half cells connected in series by a conductive electrolyte holding anions and cat ions. One half-cell includes electrolyte and the electrode to which anions move, i. In the redox reaction that powers the battery, reduction occurs to cations at the cathode, while oxidation occurs to anions at the anode.

The basis for a battery operation is the exchange of electrons between two chemical reactions, an oxidation reaction and a reduction reaction. When the reactions are physically separated, a load can be inserted between the two reactions. The electrochemical potential difference between the two batteries corresponds to the voltage of the battery which drives the load, and the exchange of electrons between the two reactions corresponds to the current that passes through the load. The components of a battery, which are shown in the figure below, and consist of an electrode and electrolyte for both the reduction and oxidation reaction, a means to transfer electrons between the reduction and oxidation reaction usually this is accomplished by a wire connected to each electrode and a means to exchange charged ions between the two reactions. Schematic of a battery in which a the electrolyte of the reduction and oxidation reaction are different and b the electrolyte is the same for both reactions. The key components which determines many of the basic properties of the battery are the materials used for the electrode and electrolyte for both the oxidation and reduction reactions.

Battery is the primary power source for any electronics wireless gadget, be it a smartphone, laptop, watch or remote. Can you imagine the situation without these energy sources? Today in this tutorial we discuss briefly about various types of batteries, their classification, terminology and specifications. Cell: A cell is an energy source which can deliver only DC voltage and current which are in very small quantities. For example if we take cells that we use in watches or remote controls, it can give maximum of 1. The best known example for a battery is a power bank which is used to charge up smart phones. Batteries are arranged in series to increase the voltage and in parallel to increase the current.

What are the Different Types of Batteries?

Classification of Cells or Batteries. Electrochemical batteries are classified into 4 broad categories. A primary cell or battery is one that cannot easily be recharged after one use, and are discarded following discharge. Most primary cells utilize electrolytes that are contained within absorbent material or a separator i. A secondary cell or battery is one that can be electrically recharged after use to their original pre-discharge condition, by passing current through the circuit in the opposite direction to the current during discharge. The following graphic evidences the recharging process. Secondary batteries fall into two sub-categories depending on their intended applications.

Types of battery Environmental issues Some links Charging a battery Batteries as sources of electrical power This section is about batteries - those little power-sources in portable electrical devices. There are a number of different types of household batteries, used for a variety of purposes. Used for cordless power tools, personal stereos, portable telephones, lap-top computers, shavers, motorised toys etc, with a life of years. In we bought million batteries in the UK. This amounted to almost 19, tonnes of waste general purpose batteries requiring disposal in the UK. Whilst the exact chemical make-up varies from type to type see below , most batteries contain heavy metals, which are the main cause for environmental concern.

Electric battery

Most plug-in hybrids and all-electric vehicles use lithium-ion batteries like these. Lithium-ion batteries are currently used in most portable consumer electronics such as cell phones and laptops because of their high energy per unit mass relative to other electrical energy storage systems. They also have a high power-to-weight ratio, high energy efficiency, good high-temperature performance, and low self-discharge.

A battery is a device consisting of one or more electrochemical cells with external connections [1] for powering electrical devices such as flashlights , mobile phones , and electric cars. When a battery is supplying electric power , its positive terminal is the cathode and its negative terminal is the anode. When a battery is connected to an external electric load, a redox reaction converts high-energy reactants to lower-energy products, and the free-energy difference is delivered to the external circuit as electrical energy. Primary single-use or " disposable " batteries are used once and discarded, as the electrode materials are irreversibly changed during discharge; a common example is the alkaline battery used for flashlights and a multitude of portable electronic devices. Secondary rechargeable batteries can be discharged and recharged multiple times using an applied electric current; the original composition of the electrodes can be restored by reverse current.

Basic Battery Operation

In this tutorial, we will learn about one of the important components in Electrical and Electronic Systems: A Battery. We will see some basic information about a battery, take a look at different types of Batteries and also a guide on what Battery Type is suitable for your application. Whether you are an Electrical Engineer or not, you might have come across atleast a couple of different types of batteries in your life. Some of the common places where you use batteries are a wall clocks, alarms or smoke detectors which uses small disposable batteries or cars, trucks or motor cycles which uses relatively large rechargeable batteries. Batteries have become a very important source of energy in the last decade or so. Even before that, they were an integral part of our lives in powering several portable devices like transistor radios, Walkman, handheld games, cameras etc. But with the development in advanced smart phones, tablets, laptops, solar energy and electric vehicles, the research into powerful batteries that can last longer and can deliver the necessary energy has been at its peak.

A battery is a collection of one or more cells that go under chemical reactions to create the flow of electrons within a circuit. There is lot of research and advancement going on in battery technology, and as a result, breakthrough technologies are being experienced and used around the world currently. Batteries came into play due to the need to store generated electrical energy. As much as a good amount of energy was being generated, it was important to store the energy so it can be used when generation is down or when there is a need to power standalone devices which cannot be kept tethered to the supply from the mains.


In this article we explain the basic difference between a battery and a cell, and cover various types of batteries.


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2 Comments

Giannina C. 30.03.2021 at 06:45

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Balbina S. 05.04.2021 at 21:40

Batteries generally can be classified into different categories and In this article lets understand the different types of batteries and their uses.

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