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Center for Advanced Materials
CAM Technologies
           
  Thin Film Solid Oxide Fuel Cells (SOFC)
    SOFC operate on methane as well as hydrogen at temperatures of 450 – 500 deg. C, have ultra-low mass (approx. 3kW/kg), very high power density (> 10W/cm3), and efficiencies greater than 60%.    
    US Patent 6,645,656  
Project: Advanced Oxide Materials and Devices
 
             
  Multi-Layer Ceramic Capacitors (MLCC)  
    Boron Nitride high energy density capacitors are stable at both low and high temperatures and help answer a critical design need in temperature tolerant electronics for application in extreme environments.  
    US Patents 6,570,753; 6,939,775
    Project: Nitride Materials and Devices  
 
             
  Resistive Random Access Memory (RRAM)  
      A radiation-hard and non-volatile RRAM that can reversibly switch resistive state by up to 1000X has been shown to be stable over a period of many years. The RRAM is switchable with low voltage (~3V) pulses as short as 10 nanoseconds, and switching energies of less than 2 picoJoules.    
    US Patents 6,204,139; 6,473,332; 6,762,481
Project: Advanced Oxide Materials and Devices
 
             
  Multifunctional Optoelectronic Bio-Chemical Sensors  
    Development of miniature multifunctional single chip-integrated spectrally-tuned sensors based on multi-junction III nitride structures for characterization of important variables in super ambient and harsh environments.  
    US Patents 6,218,771; 6,608,360; 6,881,979
Project: Nitride Materials and Devices
             
  Spectroscopic Mid-Infrared LASER Sensors  
    Multi-spectral IR LASER systems offer more compact and lighter-weight capabilities to simultaneously detect large numbers of trace gases (more than 30) for spacecraft moni-toring or in terrestrial hazardous environments, with the potential for robotic IR vision.      
     
    Project: Optoelectronic Materials and Devices
 
High Efficiency Thermophotovoltaics
TPV energy conversion provides high-efficiency, compact, and reliable electric energy from heat.  IR-sensitive photo-voltaic cells convert thermal source emission directly into electricity with > 25% efficiency.  Burn box technology integrated with TPV, and applied to electric vehicle design will benefit from established fuel distribution infrastructures.
 
Project: Photovoltaics and Nanostructures
 
           
  High Efficiency Rad-Hard Tandem Solar Cells  
  Thin film multi-quantum well solar cells have a multiple junction design capable of overlapping a large portion of the complete solar spectrum, yielding greater than 35% efficiency, and a longer effective life in GEO exposure.  
   
Project: Photovoltaics and Nanostructures
 
               
  High Temperature Superconducting Wire  
    HTS wire has been developed providing up to 500A current capacity in a 5 micrometer thick film on a formable substrate with performance 1000X greater than copper at LN2 temperatures.  
         
Project: Advanced Oxide Materials and Devices
 
             
  Hydrogen-Filled Polymer Nanotubes  
      Polyaniline nanotubes are projected to provide a 10 - 20% hydrogen-to-storage material mass ratio.  The nanotubes can be spun into fibers for clothing or spacesuits, and the nano-cloth could be used on walls of space structures. As a conductor, the nano-cloth will also provide electrical isolation.    
    Project: Optoelectronic Materials and Devices
 
             
  Artificial Retina – Bionic Eye  
      Ceramic micro-sensors are in development for replacement of damaged rods and cones in retinally blind people. The micro-sensors are forerunners to a bionic solution other human dystrophies.    
     
Project: Advanced Oxide Materials and Devices
         
 
Special Projects  
In-Situ Resource Utilization (ISRU) –
Lunar Solar Cells
A lunar manufacturing facility has been developed that would traverse the lunar surface depositing thin film solar cell structures onto a substrate of glass-like melted regolith.  Solar thermal heating is used to prepare the regolith, and for evaporation of the elemental components of the thin film solar cells. Small parabolic collectors integrated with high efficiency light pipes will focus the concentrated solar energy.  
Center for Advaced Materials
724 Science & Research Buildng One
Houston, Texas 77204-5004
713-743-3621
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