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Hi, can I please have some ideas of what sort of questions you would ask about this project? (The poster seen is meant as a review of what topic was picked and where the project is up to after a few weeks.)

Hi, can I please have some ideas of what sort of questions you would ask about this project? (The poster seen is meant as a review of what topic was picked and where the project is up to after a few weeks.)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Hi, can I please have some ideas of what sort of questions you would ask about this project?

(The poster seen is meant as a review of what topic was picked and where the project is up to after a few weeks.)

in Energy Future Advancements Storage Technology and their affect on Industry and the Environment Introduction With the world economy quickly moving towards greener forms of electricity, the need for storing greater amounts of renewable energy, in an efficient and cost effective manner becomes all the more important. A 15-fold increase in energy storage is predicted by year end 2030 (27GW to 441GW) (BloombergNEF,2022), and advancements in the amount of energy each cell can hold, and their efficiency in doing so, will contribute towards this prediction, and humanities goal of lowering carbon emissions. Abstract One innovation this project looks to analyse is the influence of different tabbing designs on lithium-ion batteries, and their affect on the overall performance of a battery. In addition, the environmental and economic impact of such innovations in the energy storage field will be assessed, to evaluate why these advances are so important. The decision to focus on so called 'tabless batteries' during this project was made because of their immense potential to increase efficiency levels, their superior convection of heat out of the cell, and greater ability to prevent voltage losses. Upcoming Work To complete this project, simulations centred around the transfer of heat inside the battery model must be conducted, as well as simulations to determine the most effective amount of tabs. These simulations will aim to improve efficiency of the battery, prevent voltage losses and also help extend the life of the battery by protecting any portions of the battery from aging quickly due to higher temperatures. Further research will also be conducted into the feasibility of green energy and the vast amounts of energy storage required for its growth to continue. |(-) (-) |(-) (-) |(-) (-) (-) Cu current collector Al current collector Cu current collector Al current collector (+) (+) (+) (+) Figure 1. (a) Unrolled battery cell with single tabs; (b) Unrolled battery cell with multiple tabs (Wei Zhao et al, 2014) (+) Methodologies • Solidworks flow simulations have been practiced and will be used to analyse heat transfer within the battery. Different shapes and number of tabs will be trialled to determine the most effective variation to disperse heat away from the battery. Ansys Fluent will also be used to create a CFD mesh, and perform temperature and electrical current analysis. • The scientific method will continue to be used to to analyse future results from simulations and help better understand the benefits of these new innovations. • The use of the scientific method can also be seen in the analysis of current energy storage systems across the world, observing how and why advancements in energy storage are so desperately needed. Analysis Developing new tab designs in future batteries, becomes all the more important as cells inevitably grow in capacity to accommodate for larger demand. These constant upgrades only increase the necessity of new tabbing designs, as the bigger the battery, the bigger the potential voltage losses and higher the temperature. Using unrolled models of the jelly roll' inside of a battery, we can better visualize differences between unreliable welded tabs, and tabs incorporated into the foils of the battery themselves. In conclusion, upcoming simulations, graphs and analysis would be expected to show a decrease in maximum temperature alongside decreased voltage losses as the number of tabs increase. Figure 2. Potential Multiple Tab Design Negative Electrode Positive electrode Separator Figure 3. Side view of example single tab design Figure 4. Example of single tab design
Transcribed Image Text:in Energy Future Advancements Storage Technology and their affect on Industry and the Environment Introduction With the world economy quickly moving towards greener forms of electricity, the need for storing greater amounts of renewable energy, in an efficient and cost effective manner becomes all the more important. A 15-fold increase in energy storage is predicted by year end 2030 (27GW to 441GW) (BloombergNEF,2022), and advancements in the amount of energy each cell can hold, and their efficiency in doing so, will contribute towards this prediction, and humanities goal of lowering carbon emissions. Abstract One innovation this project looks to analyse is the influence of different tabbing designs on lithium-ion batteries, and their affect on the overall performance of a battery. In addition, the environmental and economic impact of such innovations in the energy storage field will be assessed, to evaluate why these advances are so important. The decision to focus on so called 'tabless batteries' during this project was made because of their immense potential to increase efficiency levels, their superior convection of heat out of the cell, and greater ability to prevent voltage losses. Upcoming Work To complete this project, simulations centred around the transfer of heat inside the battery model must be conducted, as well as simulations to determine the most effective amount of tabs. These simulations will aim to improve efficiency of the battery, prevent voltage losses and also help extend the life of the battery by protecting any portions of the battery from aging quickly due to higher temperatures. Further research will also be conducted into the feasibility of green energy and the vast amounts of energy storage required for its growth to continue. |(-) (-) |(-) (-) |(-) (-) (-) Cu current collector Al current collector Cu current collector Al current collector (+) (+) (+) (+) Figure 1. (a) Unrolled battery cell with single tabs; (b) Unrolled battery cell with multiple tabs (Wei Zhao et al, 2014) (+) Methodologies • Solidworks flow simulations have been practiced and will be used to analyse heat transfer within the battery. Different shapes and number of tabs will be trialled to determine the most effective variation to disperse heat away from the battery. Ansys Fluent will also be used to create a CFD mesh, and perform temperature and electrical current analysis. • The scientific method will continue to be used to to analyse future results from simulations and help better understand the benefits of these new innovations. • The use of the scientific method can also be seen in the analysis of current energy storage systems across the world, observing how and why advancements in energy storage are so desperately needed. Analysis Developing new tab designs in future batteries, becomes all the more important as cells inevitably grow in capacity to accommodate for larger demand. These constant upgrades only increase the necessity of new tabbing designs, as the bigger the battery, the bigger the potential voltage losses and higher the temperature. Using unrolled models of the jelly roll' inside of a battery, we can better visualize differences between unreliable welded tabs, and tabs incorporated into the foils of the battery themselves. In conclusion, upcoming simulations, graphs and analysis would be expected to show a decrease in maximum temperature alongside decreased voltage losses as the number of tabs increase. Figure 2. Potential Multiple Tab Design Negative Electrode Positive electrode Separator Figure 3. Side view of example single tab design Figure 4. Example of single tab design
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