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Energy Materials Chemistry Lab
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The lab uses inorganic materials in which hydrogen moves freely to produce useful substances from water and air.
AboutAbout the lab
Putting hydrogen that moves through crystals to work for energy.
The Energy Materials Chemistry Lab designs inorganic materials in which protons and hydride ions move freely within the crystal.
It also makes conductors in which protons and hydride ions switch places within the crystal depending on the chemical potential of hydrogen.
Using these materials, the lab builds solid-state ionics devices that carry out water splitting and reduction/hydrogenation reactions simultaneously.
The aim is to produce useful compounds from common substances such as water and air, using electricity from renewable energy.
Key terms
- Proton
- The particle left when an electron is removed from a hydrogen atom. Also called a hydrogen ion, it can move through materials.
- Hydride ion
- A negatively charged particle formed when a hydrogen atom gains one electron.
- Solid-state ionics
- A field that deals with the movement of ions through solids and with batteries and cells that make use of it.
ResearchResearch themes
The lab designs inorganic materials in which hydrogen moves freely within the crystal and builds energy conversion devices that exploit these properties. It handles everything itself, from materials design by first-principles calculations to structural analysis with quantum beams, device fabrication, and performance evaluation.
*Illustrative imageMaking inorganic materials in which hydrogen moves
The lab designs inorganic materials in which protons and hydride ions move freely within the crystal. It combines design by first-principles calculations with precise analysis of structure and electronic states using quantum beams.
*Illustrative imageDevices with ionic junctions
The lab develops ionic heterojunction devices that use protons and hydride ions. The devices are fabricated by solid-phase and vacuum processes, and their performance is evaluated electrochemically.
*Illustrative imageAmmonia from water and air
Using electricity from renewable energy, the lab works on pioneering a green process that makes ammonia from familiar materials: water and air.
*Illustrative imageTurning CO2 back into a resource, with water as the hydrogen source
Using water as the source of hydrogen, the lab works on recycling carbon dioxide into useful compounds. Water splitting and reduction reactions proceed simultaneously within a solid-state ionics device.
MembersFaculty
- Assistant ProfessorSeongwoo Jeong
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Solid oxide electrolyser cell 2x60cell stack” EERE / Public domain (cropped)
- Making inorganic materials in which hydrogen moves: “Perovskite Crystal Structure” Ying Chen / CC0 (cropped)
- Devices with ionic junctions: “Solid oxide electrolyser cell prefab” EERE / Public domain (cropped)
- Ammonia from water and air: “Ammonia-3D-vdW” Benjah-bmm27 / Public domain (cropped)
- Turning CO2 back into a resource, with water as the hydrogen source: “Carbon-dioxide-crystal-3D-vdW” Ben Mills / Public domain (cropped)
- Related lab (無機合成化学): “Early Testing of Aerogel and Silicon Detectors for TIGERISS (SVS14979 - -Aerogel-4)” NASA's Scientific Visualization Studio - eMITS/Sophia Roberts, eMITS/Scott Wiessinger, University of Maryland College Park/Jeanette Kazmierczak / Public domain (cropped)
- Related lab (界面電子化学): “The army of titanium dioxide nanotubes” Robert Kamalov, Irina Dorosheva, Alexander Vokhmintsev, Ilya Weinstein / CC BY-SA 4.0 (cropped)
- Related lab (光・熱エネルギー変換材料): “Such different zinc oxide - nanoflowers network” Andrey P. Tarasov / CC BY 4.0 (cropped)
- Related lab (固体反応化学): “Crystals growing from melted sulfur” AlexmarPhoto / CC BY 4.0 (cropped)
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