Electronic Energy Storage Units: Powering Our Future Dr. Rebman By: Kaelen McCrane Dr. Rebman By: Kaelen McCrane

What is an EESU?  A more efficient, powerful battery  Converts stored Chemical Energy into Electrical Energy  Makes use of portable electricity available for greater number of applications  A more efficient, powerful battery  Converts stored Chemical Energy into Electrical Energy  Makes use of portable electricity available for greater number of applications

How Does an EESU Work?  Simple battery is composed of a number of voltaic cells  Each voltaic cell is a combination of two half-cells  Cathode/Anode  Connected by an electrolyte  Simple battery is composed of a number of voltaic cells  Each voltaic cell is a combination of two half-cells  Cathode/Anode  Connected by an electrolyte

How Does an EESU Work?  Because of different charges between electrodes, there is a difference in EMF  Voltage is the measurement of this force  Because of different charges between electrodes, there is a difference in EMF  Voltage is the measurement of this force

Basic Battery Types  Primary (Non- Rechargeable)  Secondary (Rechargeable)  Primary (Non- Rechargeable)  Secondary (Rechargeable)

Development of EESUs  First evidence of batteries dates back to 190 BC in Baghdad.  Iron rod surrounded by copper, encased in a pot.  Produced volts  First evidence of batteries dates back to 190 BC in Baghdad.  Iron rod surrounded by copper, encased in a pot.  Produced volts

Development of EESUs  Alessandro Volta, 1800 published specifications for his “pile” batteries.  Stacked Silver, Zinc, and salt.  Alessandro Volta, 1800 published specifications for his “pile” batteries.  Stacked Silver, Zinc, and salt.

Development of EESUs  1949 modern Alkaline battery created by Lew Urry, Eveready.  Lithium Ion battery introduced by Sony in  1949 modern Alkaline battery created by Lew Urry, Eveready.  Lithium Ion battery introduced by Sony in 1991.

Modern Advances of the EESU  Organic radical battery, NEC corporation.  Super thin, 300 microns  Charge in less than 30 seconds  No heavy metals  Organic radical battery, NEC corporation.  Super thin, 300 microns  Charge in less than 30 seconds  No heavy metals

Modern Advances of the EESU  Ultra-capacitors, developed by EEStor and Maxwell Technologies.  BOOSTCAP ultra- capacitors up to 10x power and longevity of traditional alkaline batteries.  Ultra-capacitors, developed by EEStor and Maxwell Technologies.  BOOSTCAP ultra- capacitors up to 10x power and longevity of traditional alkaline batteries.

Modern Advances of the EESU  EEStor’s ultra-capacitors combine Barium Titanate, Aluminum Oxide, and glass.  Previous super- capacitors were impractical, only about.02MJ/kg.  EEStor ultra-capacitors expected up to 2.5MJ/kg.  EEStor’s ultra-capacitors combine Barium Titanate, Aluminum Oxide, and glass.  Previous super- capacitors were impractical, only about.02MJ/kg.  EEStor ultra-capacitors expected up to 2.5MJ/kg.

Conclusion  Increasing demand for portable electronics  Allows for real feasibility of electric vehicles.  With greater EESU efficiency, new applications now possible.  Increasing demand for portable electronics  Allows for real feasibility of electric vehicles.  With greater EESU efficiency, new applications now possible.

References   er_Moving_Iron_Instruments_AC_Voltmeter.jpg er_Moving_Iron_Instruments_AC_Voltmeter.jpg   x.jpg x.jpg  dad-battery.jpg  Photo1.gif Photo1.gif   er_Moving_Iron_Instruments_AC_Voltmeter.jpg er_Moving_Iron_Instruments_AC_Voltmeter.jpg   x.jpg x.jpg  dad-battery.jpg  Photo1.gif Photo1.gif

References cont.  0AA%20EVEREADY.jpg  l_ jpg l_ jpg  img/flexible_battery-01.jpg img/flexible_battery-01.jpg  mages/ jpg mages/ jpg  batteries_02.jpg  0AA%20EVEREADY.jpg  l_ jpg l_ jpg  img/flexible_battery-01.jpg img/flexible_battery-01.jpg  mages/ jpg mages/ jpg  batteries_02.jpg