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Kondo Lab
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The lab develops new electrode materials and devices from conductive diamond.
AboutAbout the lab
Creating new materials that harness the properties of diamond
Kondo Lab studies the creation and application of novel functional diamond materials.
Diamond is extremely stable both physically and chemically, and it also has excellent biocompatibility.
Specializing in electrochemistry and materials chemistry, the lab develops materials that make use of these properties, aiming at applications that help solve societal challenges.
The lab works on boron-doped diamond powder, as well as electrodes for electrochemical sensors and electrolysis.
Key terms
- Boron-doped diamond
- Diamond made electrically conductive by adding boron at a high concentration. Abbreviated as BDD, it can be used as an electrode in electrochemistry
- BDD powder
- BDD material in powder form. It is expected to be used for high-surface-area diamond electrodes and for combining with other materials
- Boron-doped nanodiamond
- Conductive diamond particles, abbreviated as BDND. They have a high surface area and excellent conductivity, and are being investigated as an electrode material
ResearchResearch themes
The lab studies how to create new functional materials and devices based on diamond and related materials. Centered on electrochemistry, materials chemistry, and surface/interface science, it aims to integrate with various fields and drive innovation.
*Illustrative imageDevelopment of Conductive Diamond Materials
Diamond doped with boron at a high concentration (BDD) conducts electricity, so it can be used as an electrode in electrochemistry. The lab has developed BDD in powder form. It is expected to be used as a high-surface-area electrode, and to gain added functions and lower costs when combined with other materials.
*Illustrative imageApplications to Electrochemical Energy Devices
This research applies conductive diamond particles, such as BDD powder and boron-doped nanodiamond, to energy devices. The lab is investigating electrode materials for aqueous electrochemical capacitors, and Pt-loaded BDND as a cathode catalyst for fuel cells.
*Illustrative imageHighly Sensitive Electrochemical Sensors
The lab aims to make low-cost, highly sensitive electrochemical sensors by coating or printing inks that contain BDD powder. It also studies the highly sensitive detection of drugs and biologically relevant substances using conductive diamond-like carbon (DLC).
*Illustrative imageElectrode Materials and Devices for Electrolysis
Conductive diamond is extremely chemically stable and can withstand harsh conditions, which makes it useful as an electrode material for electrolysis. The lab is developing electrolytic flow cells for water reclamation, large-area electrodes for sulfuric acid electrolysis, electrocatalysts for water electrolysis, and electrodes for the electrochemical reduction of CO2.
MembersFaculty
Kondo Lab's members include faculty, visiting professors, project researchers, secretaries, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTakeshi Kondo
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: “Boron-doped diamond (BDD) electrodes” Johannes Schneider / CC BY 4.0 (cropped)
- Development of Conductive Diamond Materials: “Small hole drilling EDM machines” Qw5646 / CC BY-SA 3.0 (cropped)
- Applications to Electrochemical Energy Devices: “Lithium-Ion Cell cylindric” RudolfSimon / CC BY-SA 3.0 (cropped)
- Highly Sensitive Electrochemical Sensors: “First synthetic diamonds by ASEA 1953” Erik Lundblad / CC BY 4.0 (cropped)
- Electrode Materials and Devices for Electrolysis: “Experimental Electrolysis Cell” Hossein Moayedi / CC BY 4.0 (cropped)
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