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Materials-Measurement Hybrid Research Center (MMH) JP Home Introduction Members Research News Access Japanese Home News News MMH Lecture Meeting 4.6.2023(Thu) 14:00～15:30 Tohoku University Katahira campus,　AIMR Main building 2F,　Conference room Overview Speaker: Prof. Katsumi Kaneko (Research Initiative for Supra-Materials, Shinshu University) Abstract: The graphene-based nanostructures such as high-surface area nanoporous carbons, single wall carbon nanotube, and nanowindows in graphene layer exhibit novel functions, which should support sustainable engineering. This presentation will show promising fundamental science for creation of innovative technologies for future human society. [1] The highly efficient separation of 18O2 from 16O2 has been requested for providing non-expensive cancer detection. Dynamic adsorption of mixed 18O2 and 16O2 around 112 K on nanoporous materials gives high adsorption selectivity of > 1.5 [2], being more than 100 times larger than the current separation technology. The sustainable society has requested better supercapacitors [3]. The structure of ionic liquid, EMI-TFSI, confined in 0.7 nm slit-shaped pores of carbide-derived carbon was studied with HRMC simulation-aided X-ray scattering. We evidenced the accumulation of EMI cations and TFSI anions in the pores due to marked image charge effect [4]. This suggests a possibility of new type of supercapacitors. Application of waste-heat enables a completely new type of methane storage which has been requested for a stationary supplying of renewable energy. We introduced thermally switchable graphene-locks to carbon nanopores. Therefore, the nanoporous carbon with this graphene locks can store the high-pressure methane at an ambient pressure [5] The excellent separation rate of nanowindows in the graphene for N2, O2, and Ar is evidenced [6]. The graphene-wrapped zeolite membranes show ultrafast separation of H2 from CH4 with the selectivity factor of 245, which should be useful to produce blue hydrogen [7]. References [1] K. Kaneko, F. Rodriguez-Reinoso Eds. Nanoporous Materials for Gas Storage, Springer, 2019. [2]. S. K. Ujjain, A. Bagusetty, Y. Matsuda, H.Tanaka, P. Ahuja, C. de Tomas, M. Sakai, F.Vallejos-Burgos, R. Futamura, I. Suarez-Martinez, M. Matsukata, A. Kodama, G. Garberoglio, Y. Gogotsi, J. K. Johnson, K. Kaneko, Nature Comm. 12 (2021) 546-556 [3] M. Salanne B. Rotenberg,　K. Naoi, K. Kaneko, P.-L. Taberna, C. P. Grey, B. Dunn, P. Simon, Nature Energy,1, Article number: 16070 (2016) [4] R. Futamura, T. Iiyama, Y. Takasaki, Y. Gogotsi, M. J. Biggs, M. Salanne, J. Ségalini, P. Simon, K.Kaneko, Nature Mater. (2017) 16, 1163-1273. [5] S. Wang, F. Vallejos-Burgos, A. Furuse, J. P. Marco-Lozar, M. Nagae, H. Tanaka, H. Kanoh, J. Silvestre-Albero, K. Kaneko, Nature Energy, in revision [6] F. Vallejos-Burgos, F.-X.Coudert, K. Kaneko, Nature Comm. (2018) 9, 1812-1821. [7] R. Kukobat, M. Sakai, H. Tanaka, H. Otsuka, F. Vallejos-Burgos, C. Lastoskie, M.Matsukata, Y. Sakai, K. Yoshida, T. Hayashi, K. Kaneko, Sci. Adv. 2022. 8, eabl3521 (1-11). Application ProcessPlease send your affiliation, name and e-mail address to the following e-mail address. hirotomo.nishihara.b1*tohoku.ac.jp (Please relpace * with @). MMH Lecture Meeting 2.28.2023(Tue) 9:30～10:30 Tohoku University Katahira campus,　IMRAM West building No.1,　Main conference room Overview Speaker: Prof. Kenji FUKUZAWA (Nagoya University) 　　　　 Associate Prof. Shintaro ITOH (Nagoya University) Contact: hibara*tohoku.ac.jp (Please relpace * with @). MMH Forum for Young Researchers 11.16.2022(Wen) 13:30～17:50 South Multidisciplinary Research Lab 2,　1F, Main conference room (Onsite and online hybrid) Application ProcessPlease apply by filling out the Google form below (application deadline: November 11). https://forms.gle/BuESmwx3vhkuDs3Y8 Contact: yuuki.onitsuka.e8*tohoku.ac.jp (Please relpace * with @). Event Report MMH Lecture Meeting 10.11.2022(Tue)15:00～16:30 Tohoku University Katahira campus　IMRAM east building No.2　2F Seminar room (Onsite) Overview Speaker：Distinguished Professor, Teresa J. Bandosz (The City College of The City University New York) Title：Beyond Adsorption and Because of Adsorption: Exploring the silent aspect of carbon porosity Abstract：In this talk we would like to provide an insight into our perspectives on the new applications of nanoporous carbons that were inspired by the graphene features and its presence in these carbonaceous materials. A significant advancement to the “new” science of the “old” nanoporous carbons is in their new application such as gas sensing and ORR and CO2RR catalysis. In these applications both surface chemistry and porosity are crucial factors determining the specific performance. The mechanism of specific processes based on an involvement of porosity will be proposed. Our inspiration by the science of graphene combined with the comprehensive knowledge of activated carbons surface chemistry, texture, morphology and adsorptive/reactive adsorptive properties directed us to look at carbons from another perspective; from the perspective of nanotechnology. The results obtained by us and briefly addressed here are new and many questions have arisen, and are left unanswered, and many approaches need improvements. One has to take into consideration that explaining the complex phenomena in nanoporous carbons is not easy owing to the combination of the porosity and surface chemistry effects. Practically either one cannot exist without another and they add up to that's specific and unique synergy provided only by these materials. One thing is certainly true: “adventurous” graphene features can be found in nanoporous carbons and they deserve to be explored and used to their full extent. Application ProcessPlease send your affiliation, name and e-mail address to the following e-mail address. hirotomo.nishihara.b1*tohoku.ac.jp (Please relpace * with @). MMH Lecture Meeting 9.28.2022 Tohoku University Katahira campusIMRAM west building No.2 3F Seminar room (Onsite and online hybrid) OverviewSpeaker : Assistant Prof. Shinichiro Minemoto (The University of Tokyo) Application ProcessPlease send your affiliation, name and e-mail address to the following e-mail address. masahiko*tohoku.ac.jp (Please relpace * with @). MMH Lecture Meeting 9.15.2022 Tohoku University Katahira campusIMRAM west building No.2 3F Seminar room (Onsite and online hybrid) Application ProcessPlease send your affiliation, name and e-mail address to the following e-mail address. masahiko*tohoku.ac.jp (Please relpace * with @). MMH Lecture Meeting 7.26.2022 Tohoku University Katahira campusIMRAM east building No.2 2F Seminar room (Onsite) OverviewSpeaker : Prof. Yongdan Li (Industrial Chemistry, Department of Chemical and Metallurgical Engineering, Aalto University, Finland) Title : Recent works on the membrane for non-aqueous redox flow battery and the challenges Application ProcessPlease send your affiliation, name and e-mail address to the following e-mail address. hirotomo.nishihara.b1*tohoku.ac.jp (Please relpace * with @). MMH Lecture Meeting 7.19.2022 Tohoku University Katahira campusIMRAM west building No.12F Main conference room (Onsite and online hybrid, Onsite capacity:14 persons) OverviewSpeaker1 : Dr. Sophie Sobanska（Institut des Sciences Moléculaires, Université de Bordeaux, UMR CNRS 5255, France） Title1 : Reactivity of atmospheric aerosol particles: a single particle point of view Speaker2 : Dr. Shoji Ishizaka（Hiroshima University, Japan） Title2 : Laser Trapping and Spectroscopy of Single Water Droplets in Air Application ProcessPlease send your affiliation, name and e-mail address to the following e-mail address. hibara*tohoku.ac.jp (Please relpace * with @). -->MMH Symposium--> 6.29.2022 Tohoku University Katahira campus(Onsite and online hybrid) MMH Annual Report 2021(in Japanese) 3.29.2022 This is "MMH annual report in 2021". AtomDeC 1st International Symposium 1.18-19.2022 Online MMH Forum for Young Researchers 11.19.2021(Fri) 13:25～16:30 Online MMH Inauguration Symposium 10.05.2021(Tue) 13:00～18:00 South Multidisciplinary Research Lab 2, 1F, Main conference room News @2021 MMH all right reserved.