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Showing 8 results for Researcher: Hsin Wang

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  • ORNL Placeholder Image

    August 17, 2026

    8 MIN READ

    Radioisotopes power reliable nuclear batteries for nation’s needs

    Oak Ridge National Laboratory is advancing nuclear battery technology to provide reliable, long-lasting power for remote and extreme environments, from deep space to national security applications. ORNL researchers are exploring new radioisotope fuels, more efficient energy conversion, improved thermal management and advanced manufacturing to make nuclear batteries safer, more efficient and easier to deploy.

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    July 8, 2026

    3 MIN READ

    ORNL earns five DOE Transportation Technologies Office awards

    ORNL received five of nine awards from the U.S. Department of Energy's Transportation Technologies Office at the 2026 Annual Merit Review for innovations in transportation efficiency, vehicle technologies, and advanced manufacturing. The honors included two individual Distinguished Achievement Awards and three team awards recognizing advances in commercial vehicle modeling, fuel economy resources, rare-earth-free electric motors, advanced truck materials, and computational welding technologies.

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    November 18, 2022

    4 MIN READ

    Liquid-to-solid battery electrolyte technology licensed exclusively to Safire

    The Department of Energy’s Oak Ridge National Laboratory has exclusively licensed battery electrolyte technology to Safire Technology Group. The collection of five patented technologies is designed for a drop-in additive for lithium-ion batteries that prevents explosions and fire from impact.

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    July 31, 2020

    1 MIN READ

    Giant isotopic shift keeps charge carriers hot in photovoltaic perovskite

    Scientific Achievement: Neutron scattering from photovoltaic methylammonium lead iodide reveals a giant effect of isotopic substitution on phonons due to coupling with molecule dynamics that results in enhanced thermal resistivity and increased hot-carrier cooling times.Significance and Impact: This route for keeping charge carriers hot longer bares new strategies for achieving record solar-to-electric conversion efficiency in novel hot carrier solar cells.DOI: 10.1126/sciadv.aaz1842

  • ORNL Placeholder Image

    June 3, 2019

    1 MIN READ

    Materials—Engineering heat transport

    Scientists have discovered a way to alter heat transport in thermoelectric materials, a finding that may ultimately improve energy efficiency as the materials

  • ORNL Placeholder Image

    April 22, 2019

    3 MIN READ

    Effect of packaging and cooling plates on mechanical response and failure characteristics of automotive Li-ion battery modules

    This work studies deformation of EV battery module under external mechanical loading and effect of inactive module components on module failure. Contrary to expectation it was revealed that aluminum cooling plates reduce the force of indentation (by a factor of 1.6), due to collapse of cooling channels and plastic deformation in aluminum. At the same time, the internal short circuit in the cells was registered at a consistent displacement of the indenter which indicated that the failure criterion (or cell safety criterion) should be formulated in terms of strain. We selected the first principal strain in separator as a variable for the failure criterion and performed finite element simulations of the battery module structure under spherical indentation. The model was able to predict force-displacement history as well as failure point in a battery module.

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    January 4, 2017

    3 MIN READ

    New method uses neutrons, computational modeling to build better batteries

    Researchers at the US Department of Energy’s (DOE) Oak Ridge National Laboratory (ORNL) have developed a way to better track the movement and amount of lithium during battery cycling using computational modeling, neutron imaging, and neutron diffraction—all part of an effort to develop more efficien...

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