Yuto is a Ph.D. candidate in Chemistry 👨🔬 at UCLA (University of California Los Angeles), supervised by Prof. Richard B. Kaner. Yuto has been working on energy storage materials (6 first-author papers and 2 awards at international conferences)
B.E. in Applied Chemistry, Chemical Engineering, and Biomolecular Engineering
Supervisor: Dr. Itaru Honma and Dr. Masaru Watanabe
Dissertation 1: Quinone-based redox supercapacitors using graphene-like hard carbon derived from Oak wood.
Dissertation 2: Na-ion battery and Li-ion battery using graphene-like hard carbon derived from wood biomass.
Academic Ranking: TOP 30 of 913 students in Engineering Department
Overall GPA: 3.93 / 4.00
Major GPA: 3.97 / 4.00
Y. Katsuyama*, N. Haba, H. Kobayashi, K. Iwase, A. Kudo, I. Honma, and R. B. Kaner*: Macro- and Nano-Porous 3D-Hierarchical Carbon Lattices for Extraordinarily High Capacitance Supercapacitors., Advanced Functional Materials (Impact Factor 18.8), 2022. DOI: https://doi.org/10.1002/adfm.202201544 (*Corresponding author) (Chosen for the Frontispiece)
Y. Katsuyama, A. Kudo*, H. Kobayashi*, C. Mingwei, I. Honma and R. B. Kaner*: A 3D-printed, freestanding carbon lattice for sodium ion batteries., Small (Impact Factor 13.3), 2022, DOI:https://doi.org/10.1002/smll.202202277.
Y. Katsuyama, H. Kobayashi,* K. Iwase, Y. Gambe, and I. Honma*: Are Redox-Active Organic Small Molecules Applicable for High-Voltage (>4 V) Lithium-ion Battery Cathodes?, Advanced Science (Impact Factor 16.8), 2022.DOI: https://doi.org/10.1002/advs.202200187 (Chosen for the Frontispiece)
Y. Katsuyama, T. Takehi, S. Sokabe, and Y. Nakayasu*: Practical quinone-based organic supercapacitor > 6 V., Scientific Reports(Impact Factor 4.6), 2022, DOI: https://doi.org/10.1038/s41598-022-07853-6
Y. Goto, Y. Nakayasu, H. Abe, Y. Katsuyama, T. Itoh and M. Watanabe: Synthesis of unused-wood-derived C-Fe-N catalysts for oxygen reduction reaction by heteroatom doping during hydrothermal carbonization and subsequent carbonization in nitrogen atmosphere.,Philosophical Transactions of the Royal Society A(Impact Factor 4.2), 2021. DOI: https://doi.org/10.1098/rsta.2020.0348.
Y. Katsuyama, Y. Nakayasu*, H. Kobayashi, Y. Goto, I. Honma and Masaru Watanabe: Rational Route for Increasing Intercalation Capacity of Hard Carbons as Sodium‐Ion Battery Anodes., ChemSusChem(Impact Factor 8.9), 2020. DOI: https://doi.org/10.1002/cssc.202001837
Y. Katsuyama, Y. Nakayasu*, K. Oizumi, Y. Fujihara, H. Kobayashi and I. Honma: Quinone‐Based Redox Supercapacitor Using Highly Conductive Hard Carbon Derived from Oak Wood., Advanced Sustainable Systems(Impact Factor 6.3), 2019. DOI: https://doi.org/10.1002/adsu.201900083. (Chosen for the Cover art)
Y. Katsuyama, A. Kudo, H. Kobayashi, J. Han, C. Mingwei, I. Honma and R. B. Kaner: 3D-microarchitected, free-standing carbon lattices for sodium ion batteries with ultra-high areal capacity & study on Na ion storage mechanism in hard carbon., 2022 MRS Spring Meeting, May, 2022 (Reviewed).
Y. Katsuyama, N. Haba, H. Kobayashi, K. Iwase, A. Kudo, I. Honma and R. B. Kaner: 3D-printed porous carbon lattice and MnO2-deposition for all-3D-printed asymmetric supercapacitors with high areal energy and power densities., ACS Spring 2022 (Bonding Through Chemistry), March, 2022 (Reviewed).
Y. Katsuyama*, H. Kobayashi, K. Iwase, Y. Gambe, and I. Honma: Prospects of Croconic Acid as High-Voltage (> 4V) Cathode Material for Lithium-ion Batteries., Organic Battery Days 2021, November, 2021 (Reviewed).
Poster Presentation Award. (Featured on UCLA website)
Y. Katsuyama*, Y. Nakayasu, H. Kobayashi, Y. Goto, I. Honma and Masaru Watanabe: High correlation between the intercalation capacity of Na-ion battery anode and the crystallite interlayer area of hard carbons., 47th Annual Meeting of The Carbon Society of Japan, December, 2020.
H. Kobayashi*, Y. Katsuyama, C. Ooka and I. Honma: Ultra small ZnMn2O4 nano spinel particles for aquous seconday Zn-ion battery cathode., The 61st Battery Symposium in Japan, November, 2020.
Y. Goto*, Y. Nakayasu, H. Abe, Y. Katsuyama, T. Itoh and Masaru Watanabe: Synthesis of wood-derived carbon by hydrothermal carbonization for oxygen reduction reaction., the 18th Annual Meeting of the Wood Carbonization Research Society, September, 2020.
Excellent Oral Presentation Award.
Y. Katsuyama*, Y. Nakayasu, H. Kobayashi, I. Honma and Masaru Watanabe: Nobel evaluation method of intercalation capacity in hard carbon as sodium ion battery anode: volume of graphite nano crystallite., Carbon 2020, July, 2020. (Reviewed, Cancelled due to COVID-19).
Y. Katsuyama, Y. Nakayasu, Y. Fujihara, H. Kobayashi and I. Honma: Quinone-based Supercapacitors Using High-quality Hard Carbon Derived from Oak wood., The 3rd ECS Yamagata University Student Chapter Symposium, June, 2019. *Excellent Oral Presentation Award 受賞.
Y. Katsuyama, Y. Nakayasu, K. Oizumi, Y. Fujihara, H. Kobayashi and I. Honma: Supercapacitors employing oak-wood-derived porous carbons impregnated with quinones., Organic Battery Days 2019, June, 2019 (Reviewed).
Y. Katsuyama, Y. Nakayasu, Y. Fujihara and I. Honma: Conductive and porous oak wood white charcoal as conductive support for organic redox battery., the 17th Annual Meeting of the Wood Carbonization Research Society, June, 2019.
特願2021-214646 レドックスキャパシタおよびレドックスキャパシタシステム (Redox capacitors and redox capacitor systems)
特開2021-012872 導電材料、多孔質体、およびそれらの製造方法、ならびに、電極材料および蓄電装置 (Conductive materials, porous materials, and their production methods, as well as electrode materials and energy storage devices)
Chief Science Officer at Satoyama Engineering Inc. (2022/5-)
Battery Engineer Intern at Applied Materials Inc. (2022/6-2022-9)
Two full years of graduate school tuition plus a stipend of $3,000 a month for living expenses.
Poster Presentation Award: Nov. 2021
Royal Society of Chemistry’s international conference on organic batteries (Organic Battery Days 2021).
Excellent Oral Presentation Award: June. 2019
The 3rd American Electrochemical Society Yamagata symposium
“TOBITATE!” Leap for tomorrow! Scholarship: Mar. 2019
Total of $3,000 for attending the international conference, International Battery Association 2019.
Fuji Seal Global Scholarship: Apr. 2018 – Mar. 2020
Total of $12,000 ($6,000 per year for 2 years).
Global Hagi Scholarship: Aug. 2017 – May. 2018
Total of $2,000 ($200 per month for 10 months) for studying abroad at UC Berkeley.
Japan Student Services Organization Scholarship: Aug. 2017 – May. 2018
Total of $8,000 ($800 per month for 10 months) for studying abroad at UC Berkeley.
3rd Place in the Business Idea Contest: Jan. 2018
Attended “Startup Disco” held by HAAS Business School at UC Berkeley and won the 3rd place out of 8 teams.
Organizer of the Volunteer Tours for the 2011 Great East Japan earthquake and tsunami
Organized 2 tours every year for international students who would like to support the aﬀected area by the big earthquake and tsunami in 2011.
Director of the project “The Future of Tohoku, Fukushima -Hope after 3.11-”
Held an event at University of California, Berkeley to convey what people in Tohoku and Fukushima feel about the 2011 Great East Japan earthquake and tsunami and what they are doing now for the future.
Representative of IPLANET
IPLANET is an international organization, which supports international students in Tohoku University.
Managed the organization which consists of more than 200 people from all over the world.
Resident Head of International House 1 at Tohoku University
Managed the International House, where more than 400 people from all over the world live together.
Coordinated events to give opportunities to residents to communicate to each other.
Resident Council of International House 2 at Tohoku University
Managed the International House 2, where more than 200 people from all over the world live together.
Coordinated events to give opportunities to residents to communicate to each other.
(2022.5.8-13) I attended 2022 MRS Spring meeting in Hawaii. I presented my recent work on a 3D printing battery. See you there! (link)
(2022.3.10) My recent work entitled “Macro- and Nano-Porous 3D-Hierarchical Carbon Lattices for Extraordinarily High Capacitance Supercapacitors” is published in Advanced Functional Materials!
(2022.3.10) My recent work entitled “Are Redox-Active Organic Small Molecules Applicable for High-Voltage (>4 V) Lithium-Ion Battery Cathodes?” is published in Advanced Science!
(2022.3.10) My recent work entitled “Series module of quinone-based organic supercapacitor (> 6 V) with practical cell structure” is published in Scientific Reports!
(2021.9.13) My new work entitled “Synthesis of unused-wood-derived C-Fe-N catalysts for oxygen reduction reaction by heteroatom doping during hydrothermal carbonization and subsequent carbonization in nitrogen atmosphere” was published in Philosophical Transactions of the Royal Society A .
(2020.9.17) My work on Sodium-ion battery “Rational Route for Increasing Intercalation Capacity of Hard Carbons as Sodium‐Ion Battery Anodes” was published in ChemSusChem.
(2019.10.7) My work on organic battery “Quinone-Based Redox Supercapacitor Using Highly Conductive Hard Carbon Derived from Oak Wood” was published in Advanced Sustainable Systems.