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Alliance for Computationally-guided Design of Energy Efficient Electronic Materials


Today's soldier enters the battle space with an amazing array of advanced electronic materials devices and systems. The soldier of the future will rely even more heavily on electronic weaponry, detection devices, advanced communications systems and protection systems. Currently, a typical infantry soldier might carry up to 35 pounds of batteries in order to power these systems, and it is clear that the energy and power requirements for future soldiers will be much greater.

These requirements have a dramatic adverse effect on the survivability and lethality of the soldier by reducing mobility as well as the amount of weaponry, sensors, communication equipment and armor that the soldier can carry. The Army’s desire for greater lethality and survivability of its men and women in the field is fundamentally tied to the development of devices and systems with increased energy efficiency as well as dramatic improvement in the energy and power density of battery storage and delivery systems.

The new research effort is based on the idea that by using powerful computers to simulate the behavior of materials on multiple scales – from the atomic and molecular nanoscale to the large or "bulk" scale – new, lighter, more energy efficient power supplies and materials can be designed and developed. Improving existing materials also is a goal.

The consortium, led by the University of Utah, includes Boston University, Rensselaer Polytechnic Institute, Pennsylvania State University, Caltech, Brown University, New Mexico Tech and the Polytechnic University of Turin, Italy.



Research Areas

Cross-Cutting Themes

tab-4We have several crosscutting themes that will be essential to achieve the Army's goal of virtual design and optimization of novel electronic materials and devices. These crosscutting themes are areas/methodologies that are not specific to projects within Areas A-C, but rather can be applied to several projects within the entire research realm. These themes include ab-initio density functional theory (DFT) calculations that will be used as a starting point for all materials within the MSME program, extending current state-of-the-art multiscale modeling tools (e.g. coarse-graining) to the next generation of computing and simulation capabilities, and validation and verification (V&V) and uncertainty quantification (UQ) of simulations, codes, and materials.

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Electrochemical Energy Devices

tab-1Dramatic improvements in the energy and power storage capabilities of batteries and related electrochemical storage devices, as well as in the efficiency and robustness of energy conversion systems, are central to the Army's mission of vastly improved energy efficiency for soldiers in the field. Synthesis and processing of novel materials that can meet the requirements of today's Army, let alone future needs, requires vastly improved understanding not only of the traditional "bulk" but especially of the properties and behavior of materials on the nanometer length scale associated with defects and interfaces. Employing and developing novel, state-of-the-art multiscale modeling approaches, in this project we focus on virtual design and optimization of advance materials for Lithium Ion Batteries and Alkaline Fuel Cells. These systems are electrochemical in nature and hence are driven by reactions, structure and transport both within electrodes and electrolytes and at interfaces between electrolytes and electrodes.

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Heterogeneous Metamorphic Electronics

tab-3In this Area, we focus on the development and application of multiscale modeling tools for Electronic Structure and Transport in Layered 2D Heterostructures and Devices, Heterogeneous systems for Terahertz Electronics, and Thermal Transport in Heterogeneous Systems. We use adaptive multiscale simulation methods, coarse grain models, mesoscale dispersion models, and adaptive multiscale methods for discrete to mesoscale to continuum process modeling. Reduced design models will be developed for heterogeneous metamorphic electronics with multiscale simulation for material parameters. New codes will be developed and existing codes will be used.

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Hybrid Photonic Devices

tab-2The complexity of novel electronic, photonic and spintronic devices based on new generations of materials necessitates a development of increasingly sophisticated simulation tools that make possible to gain insight into new physical phenomena and to exploit them to enhance device functionalities and performance. In this project, we will focus on development of modeling tools that take into account the influence of defects (point and extended) on electrical and optical properties of materials. The developed tools will be used to facilitate the design of new generations of light and multi-spectral detectors that provide enhanced battlefield awareness to the soldier, high efficiency light emitters for illumination and bio-chemical threat detection, and to design and optimize energy efficient wide band gap power and radio frequency devices of critical interest to the Army.

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