Materials Technologies

Mission

The mission of the Materials Technologies Group is to develop specialty, advanced materials and processes for aerospace, medical, and defense applications. Our group combines a wide range of materials expertise to provide advanced thin film polymer materials and materials processes, novel composite nano-materials, unique designs and materials for advanced batteries, fuel cells and niche market polymer based products.

200,000X TEM Image of PSI Electrospun Carbon Fibers (the tube marked is about 15 nm in diameter)

Core Competencies

Core competences include electrochemical sciences (battery science, electrochromics, electrolyte chemistry, fuel cells, pLEDs, multifunctional and 3D energy storage); nanotechnology (electrospinning, CNT nanofiber and tow production, metal organic hybrid materials); materials chemistry (energetic materials, polymer chemistry, and materials formulation) and polymer technology (polymer processing, device fabrication, electrospun membrane modeling and testing, and high performance polymers).

Current Research Thrusts Include:

• Next Generation Super Carbon Fiber:

- Sponsor: DARPA/DSO

- Objectives: Fabricate Electrospun carbon and SWNT nanofiber tows for composite applications.


• Low Temperature Infrared Electochromic Materials for IR Modulation

- Sponsor: AF/AEDC

- Objectives: Develop an electrochromic beamsplitter to operate at 20 K for mid- and near-wave IR optical applications.


• Quantum Dot pLEDs for operation in the NIR

- Sponsor: Navy/China Lake

- Objectives: Develop agile pLED for emission of NIR light for IFF applications.


• Electroactive Polymer-based Separator for Li ion Batteries

- Sponsor: DOE

- Objectives: Develop separator membrane for preventing overcharging of Li ion batteries for transpotation.



Area Leadership

Dr. John Lennhoff

The Materials Technology Area is led by Dr. John D. Lennhoff who has over 20 years experience in a wide range of applied materials and materials processing fields including batteries and fuel cells, electrospinning, space durable polymers, carbon nanotubes, self-assembled nano-structured materials, chemical and biological warfare barrier membranes, composite armor, and electroactive materials.

John D. Lennhoff Physical Sciences Inc. 20 New England Business Center Andover, MA 01810-1077 Telephone: (978) 689-0003 Fax: (978) 689-3232 lennhoff@psicorp.com

 

 

Materials Technologies Publications Materials Technologies Presentations		Aerospace Systems Enterprise In-House Optical Sensor Calibration Facilities Materials Science Facilities Nuclear Magnetic Resonance Facility Scanning Electron Microscope Facility