Li-ion Battery Energy Storage System - Thesis Example

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"Li-ion Battery Energy Storage System" paper focuses on the next-generation Li-ion batteries that hold the promise of significant potential in terms of greater cell capacities and safety. The growth in lithium markets around the world has been fuelled by the need for advanced technology…

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Subject: Technology
Type: Thesis
Level: Undergraduate
Pages: 74 (18500 words)
Downloads: 1
Author: edwinoberbrunne

Extract of sample "Li-ion Battery Energy Storage System"

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Specific objectives of the study were: to review Li-ion battery technology; to review characteristics of Li-ion battery technology in electric vehicles; to analyze energy storage systems for second use application from Li-ion batteries used in electric vehicles, and to analyze the electricity demand in New South Wales, and warehouse storage facility to supply electricity to the grid during peak demands. Li-ion battery technology has undergone rapid development since its emergence in 1991. Demand from medical, industrial, automotive, and military applications continue to drive the development of Li-ion battery technology.

Li-ion cells are designed as a cathode with thin layers, separator, and anode rolled up in a cylindrical mandrel, with electrolyte in the gaps. The battery is made up of modular design with 6 to 12 cells packaged to form a “module.” Li-ion batteries have gained momentum as green technology and considered safe. Specific requirements for Li-ion batteries include lightweight, compact, and able to operate in a wide range of temperatures. Lithium, being the metal with the lowest density, highest energy-to-weight ratio, and the highest electrochemical potential is the material of choice for making batteries.

Electric vehicles with advanced Li-ion batteries could achieve 400 to 480 km range. Based on current technology, an advanced BEV would cost approximately $10,200 more than the conventional car.An energy storage system has been designed using recycled Li-ion batteries used in electric vehicles. The performance of the system has been analyzed for batteries with different levels of usage ranging from 60 percent. A maximum of 1400 cycles could be derived from recycled batteries, with 440 Wh till the end of life (340Wh), over a period of four years.

The system could be charged in a warehouse facility during off-peak hours, and supply energy to the grid during peak demands.The electricity demand increases from 08:00 and peaks at 18:00 every day in New South Wales. The average demand exceeds 10,000 during peak demand.

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