International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 03 | Mar 2024
p-ISSN: 2395-0072
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Li-ion Batteries: Fundamentals and Recent Developments Purushottam Kumar*, B.P. Singh Department of Physics, Dr. Bhimrao Ambedkar University, Agra 282002 (U. P.) India ---------------------------------------------------------------------***--------------------------------------------------------------------obtained from renewable sources like wind, solar, geoAbstract - Batteries are essentially a form of storage that thermal, and other energy sources, thereby encouraging their wider adoption and the growth of an energysustainable economy. There has recently been a lot of research in this field as a result of the increased interest in Li-ion batteries from both commercial and government funding organizations [2].
consists of two electrodes submerged in an electrolyte. This electrolyte acts as a conduit for the ion exchange that generates electricity. There has been extensive research done on various battery technologies and applications, and batteries of all shapes and sizes are thought to be one of the best ways to store energy. However, the environmental effects of widespread battery use remain a significant issue that needs further investigation. Li-ion batteries are the preferred technology for hybrid and fully electric vehicles, power tools, and portable gadgets due to their unmatched combination of high energy and power density. Li-ion batteries will dramatically reduce greenhouse gas emissions if electric vehicles (EVs) replace the majority of gasoline-powered transportation. The main Li-ion battery components are presented and contrasted in this study, along with the accompanying battery management systems and methods for enhancing battery efficiency, capacity, and lifespan. Battery performance is shown to be critically dependent on material and thermal properties. The physical implementation of Li-ion batteries, the positive and negative electrode materials, and the electrolytes are discussed.
Lithium-ion batteries (LIBs) have drawn the most attention and importance among the created batteries in recent years. LIBs have a long service life, high coulombic efficiency, high discharge power, and high energy density when compared to other batteries [3,4]. Due to these qualities, LIBs have made great strides in a variety of fields, including stationary applications, portable and flexible electronics, and electric vehicles. The need to often update the community is vital because the subject of LIBs is developing quickly and drawing more researchers [5]. In Li-ion batteries, which may be thought of as energy storage devices that depend on insertion processes from both electrodes, lithium ions act as the charge carrier. Given this broad definition, there are different cell chemistries that make up the Li-ion battery family [6]. Most Li-ion batteries include negative electrodes made of carbon or lithium titanate (Li4Ti5O12), while research is also being done on novel materials such lithium metal and lithium (Si) alloys. To promote ion transport, different lithium salts, such as LiPF6, are typically coupled with an organic solvent, such as diethyl carbonate, depending on the electrode material chosen. A dividing membrane allows lithium ions to pass between the electrodes, preventing an internal reaction [7,8].
Key Words: Li-ion batteries, different types of batteries, greenhouse gases, battery management systems, battery efficiency, electrode materials.
1.Introduction: Anode and cathode electrodes in an electrolyte act as the basic building blocks of batteries. The ion exchange that produces electricity uses this electrolyte as a channel. Each battery has unique advantages and disadvantages, but because to recent advancements in Li-ion technology, these batteries are now the market leader for usage in the majority of handheld and portable electronics as well as electric vehicles [1]. The key reasons for this are their high efficiency, lengthy cycle life, and specific energy (Wh/kg). They do have disadvantages, such costing a lot of money and requiring complex safety and monitoring systems.
Lithium-ion Using Li-ion batteries in highperformance electric vehicles is a desirable option. Li-ion offers a very high specific energy and a lot of chargedischarge cycles as compared to other rechargeable batteries. Additionally, the price is fair [9]. Li-ion batteries are therefore favored over alternative options like nickelmetal-hydride and silver-zinc batteries. However, Li-ion batteries are now only offered in tiny sizes on the market. In order to attain the appropriate battery sizes, several cells must be joined in series and parallel topologies. Making highly efficient, very reliable battery packs for use in electric cars is a challenge because of these and safety concerns [10,11].
Because of its unmatched mix of high energy and power density, lithium-ion batteries are the preferred technology for portable gadgets, power equipment, and hybrid and completely electric cars. If most gasolinepowered vehicles are replaced by electric vehicles (EVs), Liion batteries will significantly reduce greenhouse gas emissions. The high energy efficiency of lithium-ion batteries may also allow for their use in a range of electric grid applications, such as improving the quality of energy
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