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Mass Transfer Engineering Lab
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A lab exploring microwave chemical processes and the compression and structure of powders.
AboutAbout the lab
Exploring microwaves and powders through fundamental science.
The Mass Transfer Engineering Lab researches and develops chemical processes that use microwaves, and analyzes powder compression related to electrodes for all-solid-state batteries.
Professor Shuntaro Tsubaki uses techniques that precisely control microwave heating to research and develop catalytic conversion of sugars, extraction of functional molecules, and techniques that speed up freeze-drying.
The lab also pursues fundamental research that uses in situ observation, such as XAFS and Raman spectroscopy, to clarify how microwaves make reactions faster.
Assistant Professor Takeru Yano uses numerical simulation based on the discrete element method to analyze the densification that occurs during powder compression and the structure of electrodes for all-solid-state batteries.
Key terms
- XAFS
- A spectroscopic method that examines the state of a material by measuring X-ray absorption. It is used for in situ observation during reactions.
- Discrete element method
- A simulation method that calculates a powder particle by particle and numerically reproduces how it behaves during compression and flow.
- All-solid-state battery
- A battery that uses a solid as its electrolyte. Inside the electrode, ions are transported through particles of the solid electrolyte.
ResearchResearch themes
Using techniques that precisely control microwave heating, the lab researches and develops new chemical processes grounded in scientific principles. It also uses numerical simulation to analyze powder compression and the structure of electrodes for all-solid-state batteries.
*Illustrative imageChemical processes using microwaves
Using techniques that precisely control microwave heating, the lab researches and develops catalytic conversion of sugars, extraction of functional molecules, techniques that speed up freeze-drying, and more.
*Illustrative imageObserving in situ how reactions speed up
The lab carries out fundamental research that clarifies how microwaves accelerate reactions, using in situ observation with XAFS, Raman spectroscopy, and other methods. It also develops new microwave chemical processes grounded in scientific principles.
*Illustrative imageFood processing with microwaves
The lab develops food processing technologies that use microwaves. In its papers, it reports research on 3D-printing gels used in meals for people who have difficulty swallowing, using radio-frequency waves and microwaves.
*Illustrative imagePowder compression and electrodes for all-solid-state batteries
The lab analyzes the densification that occurs when powder is compressed, and the structure of electrodes for all-solid-state batteries. It uses numerical simulation based on the discrete element method, as well as shortest-path search.
MembersFaculty
- ProfessorShuntaro Tsubaki
- Assistant ProfessorTakeru Yano
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: “Microwave-reactor-for-biodiesel-production” Achanai Buasri, Tidarat Rattanapan, Chalida Boonrin, Chosita Wechayan, Vorrada Loryuenyong / CC BY 4.0 (cropped)
- Chemical processes using microwaves: “Mineralizatoropen” Procent / CC BY-SA 3.0 (cropped)
- Observing in situ how reactions speed up: “TLC Reaction monitoring and column chromatography” Dvnyn / CC BY-SA 4.0 (cropped)
- Food processing with microwaves: “Panasonic NE-1753 microwave ovens on CR400AF- )” N509FZ / CC BY-SA 4.0 (cropped)
- Powder compression and electrodes for all-solid-state batteries: “Stokes Tablet Press at Agricultural Engineering Laboratory - DPLA - 6d49fd a4a5” 作者不詳 / Public domain (cropped)
- Related lab (生物機能材料工学研究室): “Propel Segmented Flow Chemistry System” Jankhughes / CC BY-SA 3.0 (cropped)
- Related lab (プロセスシステム工学研究室): “KSC-06pd0004 - Technicians working on fuel cell in OPF” Kim Shiflett / Public domain (cropped)
- Related lab (生体材料・医用工学研究室): “Cell culture flat flasks-set” Lilly_M / CC BY-SA 3.0 (cropped)
- Related lab (流体プロセス工学研究室): “Plasma torch auxiliary heating in electric arc furnace British Steel 1985” European Coal and Steel Community / CC BY-SA 4.0 (cropped)
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