Tags: energy conversion

Resources (1-20 of 21)

  1. Long term Aging of Autonomous STructures (LAAST) Seminar Series

    07 Apr 2015 | | Contributor(s):: Ali Shakouri

    The Long term Aging of Autonomous STructures (LAAST) seminar series focuses on reliability and aging of devices for energy conversion, information processing or sensing.

  2. Thin-Film and Multi-Element Thermoelectric Devices Simulator

    17 Jul 2012 | | Contributor(s):: Je-Hyeong Bahk, Megan Youngs, Zach Schaffter, Kazuaki Yazawa, Ali Shakouri

    Tool to simulate both micro-scale thin-film thermoelectric devices and large-scale multi-element thermoelectric modules for cooling and power generation

  3. Vacuum Nanosystemsfor Energy Conversion

    30 Jan 2013 | | Contributor(s):: Roger T. Howe

    Micro and nano-fabricated sensors (e.g., accelerometers and gyroscopes) and actuators (e.g., light valve chips for projection and cell-phone displays) have become commonplace in recent years. Some of these devices must operate in a hermetically sealed, lowpressure ambient, a need that motivated...

  4. Thermoelectric Energy Conversion: Transport, Materials, and Systems

    26 Nov 2012 | | Contributor(s):: Gang Chen

    his talk will start with an introduction to thermoelectric effects, and move on to discuss ways to understand and engineer electron and phonon transport in thermoelectric materials to improve the figure of merit. On phonon transport, thermal conductivity spectroscopy and coherent heat conduction...

  5. 2010 NCN@Purdue Summer School: Electronics from the Bottom Up

    20 Apr 2010 |

    Electronics from the Bottom Up seeks to bring a new perspective to electronic devices – one that is designed to help realize the opportunities that nanotechnology presents.

  6. Limits of Thermal Processes and their Implications on Efficient Energy Utilization

    19 Oct 2010 | | Contributor(s):: Arunava Majumdar

    About 90 percent of the world’s energy use involves thermal processes – thermal engines to generate mechanical power; heating and cooling in buildings; heating involved in manufacturing of steel, cement, glass, petrochemicals etc. To identify opportunities for improving current technologies or...

  7. Transformative Power Semiconductor Technologies to Impact 21st Century Energy Economy, and Space and Defense Electronics

    19 Jul 2010 | | Contributor(s):: Krishna Shenai

    This talk will focus on advanced power semiconductor materials, devices, circuits and systems that are needed in order to address this daunting challenge. Specifically we will discuss emerging silicon and wide bandgap materials and power devices, heterogeneous chip-scale power integration,...

  8. Nanoelectronic Devices, With an Introduction to Spintronics

    20 Jul 2010 | | Contributor(s):: Supriyo Datta, Mark Lundstrom

      Nanoelectronic devices are at the heart of today's powerful computers and are also of great interest for many emerging applications including energy conversion, sensing and alternative computing paradigms. Our objective, however, is not to discuss specific devices or...

  9. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 23: Nanomaterials and Devices for Energy Conversion I

    23 Dec 2009 | | Contributor(s):: Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Energy ConversionTopics: Overview of Actuators at Nanoscale Electrostatic Actuators Piezo-Actuators Surface Acoustic Wave Motors Actuator Selection Electrochemical Actuators Solid State Electrochemical Actuator Electrochemical nano-actuator Electrochemical...

  10. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 24: Nanomaterials and Devices for Energy Conversion II

    23 Dec 2009 | | Contributor(s):: Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Energy Conversion IITopics: Electrochemistry - Energy Storage Non-linear Diffusion Effect in Electrochemistry Architecture of 3-D batteries Nanomaterials for Energy Storage Solutions for Reversibility Nano-wire Lithium Ion Batteries Nano-wire Solar Cells Micro Nano...

  11. MIT Tools for Energy Conversion and Storage

    13 Sep 2009 | | Contributor(s):: Jeffrey C Grossman, Joo-Hyoung Lee, Varadharajan Srinivasan, Alexander S McLeod, Lucas Wagner

    Atomic-Scale Simulation Tools to Explore Energy Conversion and Storage Materials

  12. Aluminum: a safe, economical, high energy density material for energy storage, transport and splitting water to make hydrogen on demand

    29 Mar 2009 | | Contributor(s):: Jerry M. Woodall

    In 1968, a team lead by the author discovered that liquid gallium saturated with aluminum at room temperature would split water into hydrogen gas, alumina and heat. More recently his current team has discovered that bulk, solid Al rich alloys will also split water in the same manner. Since 1)...

  13. Thermoelectric Power Factor Calculator for Superlattices

    18 Oct 2008 | | Contributor(s):: Terence Musho, Greg Walker

    Quantum Simulation of the Seebeck Coefficient and Electrical Conductivity in 1D Superlattice Structures using Non-Equilibrium Green's Functions

  14. ECE 495N Lecture 40: Thermoelectricity

    29 Dec 2008 | | Contributor(s):: Supriyo Datta

  15. Nanoscale Opto Thermo Electric Energy Conversion Devices

    28 May 2008 | | Contributor(s):: Ali Shakouri

    We review solid-state devices that allow direct conversion of heat into electricity. We describe fundamental and practical limits of conventional thermoelectric materials. Novel metal-semiconductor nanocomposites are developed where the heat and charge transport are modified at the atomic level....

  16. The Potential of Nanostructured Materials to Address the Challenge of a Sustainable Energy Resource

    14 Feb 2008 | | Contributor(s):: Mildred S. Dresselhaus

    An overview is presented on the grand challenges to the science community in the next few decades in meeting global energy needs for the 21st century. Major advances in our present capabilities will be needed for energy production and storage and for its conversion from one form to another....

  17. Microscale Ionic Wind for Local Cooling Enhancement

    26 Oct 2007 | | Contributor(s):: David B Go

    As the electronics industry continues to develop small, highly functional, mobile devices, new methods of cooling are required to manage the thermal requirements of the not only the chip but the entire system. Comfortable skin temperatures, small form factors, and limited power consumption are...

  18. Piezoelectric Transducers: Strain Sensing and Energy Harvesting (and Frequency Tuning)

    15 Jun 2007 | | Contributor(s):: Toshikazu Nishida

    Acoustic pressure or mechanical force sensing via piezoelectric coupling is closely related to the harvesting of electrical energy from acoustical and mechanical energy sources. In this talk, mesoscale and microscale piezoelectric transducers for acoustic and vibrational sensing and energy...

  19. The Energy Problem: What the Helios Project Can Do About It

    13 Jun 2007 | | Contributor(s):: Steven Chu

    Nobel Prize winner Steven Chu talks about the Helios Project for the 2007 'Science at the Theater' series at Berkeley Repertory Theater in Berkeley, California. He proposes an aggressive research program to transform the existing and future energy systems of the world away from technologies that...

  20. Solid-State Lighting: An Opportunity for Nanotechnologists to Address the Energy Challenge

    25 Apr 2007 | | Contributor(s)::

    More than one-fifth of the electrical power consumed in the U.S. is used for general illumination. Much of this energy is wasted to heat filaments in incandescent lamps, a century-old technology with an efficiency of about 5%. Fluorescent lighting is more efficient, but problems of color...