Rechargeable Batteries By: Nathan Bourne, Nathan Asad, Joshua - PowerPoint PPT Presentation

Rechargeable Batteries By: Nathan Bourne, Nathan Asad, Joshua Burdine, Divya Sharma, and Sophia Schaeffer

Overview Rechargeable Batteries:  Cathode (+)  Anode (-)  Separator  Electrolyte wikimedia

Research Lab Development of Lithium-Ion Cells in the Lab  Types of synthesis  6ZSonochemistry o Solid-State o Hydrothermal  Slurry/Laminate Production  Anode and Cathode Production  Assembly

Lithium Ion  Energy dense  High voltage output  No memory  Light  Sensitive charging  No full discharge Lithium Cobalt Oxide Lithium Sulfur Sodium Ion

Lithium Sulfur  High specific energy capacity  Safe and inexpensive  Stability decreases rate of overheating or catching fire  Rechargeable due to high energy density and low weight  Airplanes tested with solar panels

LiCoO 2 - Lithium Cobalt Oxide Advantages  High energy density  Large number of mechanical cell sizes available  High voltage  Active development Disadvantages  High cost Buchmann  Safety requires more care

Sodium Ion  Cheap, non-toxic, and more abundant  Not power dense  Journal of the American Chemical Society study

Economics and Policy Policy and Results:  1996 “ The Battery Act ”  Hindered Production, Increased Acceptance Pricing:  Current decrease in Li-IOn cost.  Cheap options already available.

Future  Improve Cycles (lithium sulfur-chemd)  Cathode blockage  Silicon  Limited lithium

Conclusion Lithium Ion batteries consist of  Cathode (+), Anode (-), Separator, Electrolyte Lithium Sulfur  Chemical (Capacity reduced per cycle) Lithium Cobalt Oxide  Most common, but expensive Sodium Ion  Cheap, less power dense

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