論文

• Runbang Tao, Gerald Ensang Timuda, Keiko Waki. Electrochemical analysis of dye sensitized solar cell employing indoline-based and ruthenium-based dye combined with volatile and low-volatility solution-based electrolyte, Journal of Materials Science: Materials in Electronics, Vol. 29, No. 22, Page 19245-19255, Nov. 2018.
• Kuan-Yu Lin, Minh Tho Nguyen, Keiko Waki, Jyh-Chiang Jiang. Boron and Nitrogen Co-Doped Graphene Used as Counter Electrode for Iodine Reduction in Dye-Sensitized Solar Cells, The Journal of Physical Chemistry C, Nov. 2018.
• Jiuting Chen, Fumitaka Kobayashi, Kouya Eguchi, Keiko Waki. Understanding the redox reactions of adjacent carboxyl groups and anhydride groups following citric acid treatment of defect-containing multiwalled carbon nanotubes, Electrochemistry Communications, Vol. 91, Page 25-30, June 2018.
• Ya-Han Chiang, Kuan-Yu Lin, Yu-Hsuan Chen, Keiko Waki, Mulu Alemayehu Abate, Jyh-Chiang Jiang, Jia-Yaw Chang. Aqueous solution-processed off-stoichiometric Cu–In–S QDs and their application in quantum dot-sensitized solar cells, Journal of Materials Chemistry A, Vol. 6, No. 20, Page 9629-9641, Apr. 2018.
• Ti Chen, Jiuting Chen, Keiko Waki. An activity recoverable carbon nanotube based electrocatalysts: Rapid annealing effects and importance of defects, Carbon, Volume 114, Page 119-127, Apr. 2018.
• Raymond A. Wong, Chunzhen Yang, Arghya Dutta, Minho O, Misun Hong, Morgan Thomas, Keisuke Yamanaka, Toshiaki Ohta, Keiko Waki, Hye Ryung Byon. Critically Examining the Role of Nanocatalysts in Li–O2 Batteries: Viability toward Suppression of Recharge Overpotential, Rechargeability, and Cyclability, ACS Energy Letter, American Chemical Society Publications, 3, 592-597, Feb. 2018.
• B. Gong, A. Ikematus, K. Waki. "Impacts of structure defects and carboxyl and carbonyl functional groups on the work function of multiwalled carbon nanotubes, Carbon, Volume 114, Pages 526-532, April 2017, Volume 114, 526-532, Apr. 2017.
• Yoshitaka Saito, Mamoru Meguro, Minoru Ashizawa, Keiko Waki, Recep Yuksel, Husnu Emrah Unalan, Hidetoshi Matsumoto. Manganese dioxide nanowires on carbon nanofiber frameworks for efficient electrochemical device electrodes, RSC Adv., Royal Society of Chemistry, Vol. 7, No. 20, pp. 12351-12358, Feb. 2017.  公式リンク  
  
• Oktaviano, H.S., Keiko Waki. Understanding the Li storage sites in MWCNTs: SEI, the key for delithiation at high potential, Journal of the Electrochemical Society, Vol. 163, No. 3, pp. A442-A446, 2016.
• Wong, R.A., Dutta, A., Yang, C., Yamanaka, K., Ohta, T., Nakao, A., Keiko Waki, Byon, H.R.. Structurally Tuning Li2O2by Controlling the Surface Properties of Carbon Electrodes: Implications for Li-O2Batteries, Chemistry of Materials, Vol. 28, No. 21, pp. 8006-8015, 2016.
• Keiko Waki. Non-nitrogen doped and non-metal oxygen reduction electrocatalysts based on carbon nanotubes: mechanism and origin of ORR activity, Energy & Environmental Science, Royal Society of Chemistry, 7, 6, 1950-1958, Apr. 2014.
• Otomo, J., Keiko Waki, Yamada, K.. Multicriteria assessment of the performance of solid oxide fuel cells by cell design and materials development: Design and modeling approach, Journal of Fuel Cell Science and Technology, Vol. 10, No. 1, 2013.
• Keiko Waki. Nano-drilled multiwalled carbon nanotubes: characterizations and application for LIB anode materials, Journal of Materials Chemistry, royal society of chemistry, 22, 48, 25167-25173, Oct. 2012.
• Tao, R., Tomita, T., Wong, R.A., Keiko Waki. Electrochemical and structural analysis of Al-doped ZnO nanorod arrays in dye-sensitized solar cells, Journal of Power Sources, Vol. 214, pp. 159-165, 2012.
• Haryo Oktaviano, Keiko Waki. Enhancement of Ethanol Electro-Oxidation Activities on Pt/Natural Zeolite Catalyts, Electrochemistry, The Electrochemical Society of Japan, Vol. 79, No. 5, pp. 367, May 2011.
• Matsubara, K., Keiko Waki. The effect of O-functionalities for the electrochemical reduction of oxygen on MWCNTs in acid media, Electrochemical and Solid-State Letters, Vol. 13, No. 8, pp. F7-F9, 2010.
• Matsubara, K., Keiko Waki. Oxygen reduction characteristics of bamboo-shaped, multi-walled carbon nanotubes without nitrogen in acid media, Electrochimica Acta, Vol. 55, No. 28, pp. 9166-9173, 2010.
• Kim, D.-H., Keiko Waki. Crystal defects on multi-walled carbon nanotubes by cobalt oxide, Journal of Nanoscience and Nanotechnology, Vol. 10, No. 4, pp. 2375-2380, 2010.
• K．Ke, A. Gunji, H. Mori, S.Tsuchida, H. Takahashi, K.Ukai, Y.Mizutani, H. Sumi, M.Yokoyama, K Waki. Effect of Oxide on Carbon Deposition Behavior of CH4 fuel on Ni/ScSZ Cermet anode in High Temperature SOFCs, SOLID STATE IONICS, Vol. 177, No. (5-6), pp. 541-547, 2006.
• Keiko Waki, Kenji Matsubara, Ke Ke, Yohtaro Yamazaki. Novel Self-Organized Pt/SnO2 Electrocatalysts on Multi-Walled Carbon Nanotubes, ELECTROCHEMICAL AND SOLID-STATE LRTTER, Vol. 8, No. 10, pp. A489-491, 2005.
• Wang SQ, Otomo J, Ogura M, Wen C, Nagamoto H, Takahashi H. Preparation and characterization of proton-conducting CsHSO4-SiO2 nanocomposite electrolyte membranes, SOLID STATE IONICS, Vol. 176, No. 7-8, pp. 755-760, 2005.
• Otomo J, Tamaki T, Nishida S, Wang SQ, Ogura M, Kobayashi T, Wen C, Nagamoto H, Takahashi. Effect of water vapor on proton conduction of cesium dihydrogen phosphateand application to intermediate temperature fuel cells, JOURNAL OF APPLIED ELECTROCHEMISTRY, Vol. 35, No. 9, pp. 865-870, 2005.
• Junichiro Otomo, Xiaoen Li, Takeshi Kobayashib, Ching-ju Wen, Hidetoshi Nagamoto, Hiroshi Takahashi. AC-impedance spectroscopy of anodic reactions with adsorbed intermediates: electro-oxidations of 2-propanol and methanol on carbon-supported Pt catalyst, Journal of Electroanalytical Chemistry, Vol. 573, No. 1, 99-109, 2004.
• T.Shimada, C.Wen, N.Tniguchi, J.Otomo, H.Takahashi. The high temperature proton conductor BaZr0.4Ce0.4In0.2O3-α, Journal of Power Sources, 131, pp. 289-292, 2004.
• Yoshikazu Kuzuoka, Ching-ju Wen, Junichiro Otomo, Masaru Ogura, Takeshi Kobayashi, Koichi Yamada, Hiroshi Takahashi. Characteristics of MnOx Electrochemical Capacitors with Solid Electrolytes (CsHSO4) Operated at Elevated Temperatures, Solid State Ionics, Vol. 175, No. 1-4, pp. 507-510, 2004.
• A.Gunji, C.Wen, J.Otomo, T.Kobayashi, K.Ukai, Y.Mizutani, H.Takahashi. Carbon deposition behaviour onNi—ScSZ anodes for internal reforming solide fuel cells, Journal of Power Sources, 131, 285-288, 2004.
• Tomoyuki Ota, Michihisa Koyama, Ching-ju Wen, Koichi Yamada, Hiroshi Takahashi. Object-based modeling of SOFC system:dynamic behavior of micro-tube SOFC, Journal of Power Sources, Vol. 118, pp. 430-439, 2003.
• Hiroshi Mori, Ching-ju Wen, Junichiro Otomo, Koichi Eguchi, Hiroshi Takahashi. Investigation of the interaction between NiO and yttria-stabilized zirconia (YSZ) in the NiO/YSZ composite by temperature-programmed reduction technique, Applied Catalysis, Vol. 245, pp. 79-85, 2003.
• Takeshi Kobayashi, Junichiro Otomo, Ching-ju Wen, Hiroshi Takahashi. Direct alcohol fuel cell-relation between the cell performance and the adsorption of intermediate originating in the catalyst-fuel combinations, Journal of Power Sources, Vol. 124, pp. 34-39, 2003.
• K.Yamada, N.Takahashi, C.Wen. Design and Evaluation of Electric Vehicle using Solid Oxide Fuel Cells, Journal of Japan Chemical Engineering, Vol. 35, No. 12, pp. 1290-1297, 2002.
• C.Wen, R. Kato, H. Fukunaga, H. Ishitani, K. Yamada. The Overpotential of Nickel / Yttria-Stabilized Zirconia Cermet Anodes Used in Solid Oxide Fuel Cells, Journal of the Electrochemical Society, Vol. 147, No. 6, pp. 2076-2080, 2000.

国際会議発表 (査読有り)

• Wang Guanyu, Atsunori Ikezawa, Keiko Waki, Takeyoshi Okajima, Hajime Arai. (Fe, N)-Doped Carbon Black Catalysts for Oxygen Reduction Reaction Applied to Gas-Diffusion Electrodes, PRiME 2024, Oct. 2024.
• Wang Guanyu, Atsunori Ikezawa, Keiko Waki, Takeyoshi Okajima, Hajime Arai. (Fe, N)-doped carbon black catalysts formed by rapid thermal annealing for oxygen reduction reaction, ACEPS12-Asian Conference on Electrochemical Power Sources12, May 2024.
• Jiuting Chen, Kouya Eguchi, Keiko Waki. The Effect of Oxidation Temperature for the Oxygen Reduction Reaction Activity of Defective Multi-Walled Carbon Nanotubes (MWCNT), ECS, ECS Transactions, Volume 80, No. 8, Page 677-684, Aug. 2017.
• Ti Chen, Shota Takahashi, Keiko Wak. Exploring Active Sites in Nitrogen Doped Carbon Nanotube Based Electrocatalyst, ECS Transactions, Volume 80, No. 8, page 801-806, Aug. 2017.
• Oktaviano, H.S., Wajima, M., Keiko Waki. Study on the electrochemical characteristics of multiwalled CNTs decorated by various oxygen functional groups (non-aqueous and aqueous based electrolytes), ECS Transactions, Vol. 66, No. 8, pp. 253-259, 2015.
• Oktaviano, H.S., Wong, R.A., Keiko Waki. The role of oxygen functionalities for enhanced oxygen reduction activity in carbon nanotubes, ECS Transactions, Vol. 58, No. 1, pp. 1509-1516, 2013.
• Makoto Urano, Keiko Waki. Synthesis and Characterization of Manganese Oxide for Redox Capacitor Prepared by Electrodeposition on Carbon Fibers, ECS Transactions, Vol. 1, No. 7, pp. 383-388, Oct. 2005.

国内会議発表 (査読有り)

• Wang Guanyu, Ikezawa Atsunori, Waki Keiko, Okajima Takeyoshi, Arai Hajime. Optimization of (Fe, N)-doped carbon black catalysts formed by rapid thermal annealing for oxygen reduction reaction in alkaline media, 電気化学会第91回大会, Mar. 2024.
• Guanyu Wang, Keiko Waki, Hajime Arai. Study of (Fe, N)-doped Carbon Black Catalysts Formed by Rapid Thermal Annealing for Oxygen Reduction Reaction, 第63回電池討論会, Nov. 2022.

国際会議発表 (査読なし・不明)

• Haryo Oktaviano, Keiko Waki. Oxidation of Ethanol on Natural Zeolite Supported Pt Catalysts, The Second Regional Electrochemistry Meeting of South-East Asia, Nov. 2010.  公式リンク  
  
• Haryo Oktaviano, Keiko Waki. Ethanol Electro-Oxidation on Pt/Natural Zeolite, The 1st International Fuel Cell Summer Seminar, Aug. 2010.
• Haryo Oktaviano, Keiko Waki. CrN as An Alternative Electrocatalyst for Oxygen Reduction Reaction, International Symposium on Catalysis and Fine Chemicals 2009 (C&FC 2009), Dec. 2009.
• Taichi Naruse, Yuki Nagai, Tomoaki Namioka, Kunio Yoshikawa, Keiko Waki. Influence of Biomass Gasified Gas Trace Tar in Power Generation and Carbon Deposition on Ni/ScSZ Cermet Anode in SOFC, 5th KIMM-TITech Joint Workshop, Nov. 2009.
• Tomoaki Namioka, Taichi NARUSE, Ryosuke YAMANE, Kunio YOSHIKAWA, Keiko WAKI. Influences of trace tar in biomass gasified gas on power generation and carbon deposition on Ni/ScSZ cermet anode in SOFC, International Symposium on Low Carbon Technology, Oct. 2009.

国内会議発表 (査読なし・不明)

• Chen Kexin, Hasegawa Kei, Manzhos Sergei, Ihara Manabu, Waki Keiko. Study on Activity of Citric Acid-decorated Carbon Nanotubes for Oxygen Reduction Reaction, 化学工学会第87年会, Mar. 2022.
• Chen Kexin, Hasegawa Kei, Manzhos Sergei, Ihara Manabu, Waki Keiko. Study on Activity of Citric Acid-decorated Carbon Nanotubes for Oxygen Reduction Reaction, 化学工学会第87年会, Mar. 2022.
• Chen Kexin, Hasegawa Kei, Manzhos Sergei, Ihara Manabu, Waki Keiko. Study on Activity of Citric Acid-decorated Carbon Nanotubes for Oxygen Reduction Reaction, 化学工学会第87年会, Mar. 2022.
• Li Ruicheng, Hasegawa Kei, Manzhos Sergei, Ihara Manabu, Waki Keiko. Investigating the Structural Change of PbI2-rich Perovskite Solar Cells After Storage, 化学工学会第87年会, Mar. 2022.
• 増田亘児, 立石満, 平山雅章, 長尾美紀, 脇慶子, 菅野了次. 硫黄／多層カーボンナノチューブ複合電極を用いた全固体電池, 第51回セラミックス基礎科学討論会, 2014.
• 永井悠葵, 成瀬太一, 波岡知昭, 吉川邦夫, 脇慶子. SOFC燃料ガス中タール分によるNi/ScSZサーメットアノードの劣化挙動, 第19回日本エネルギー学会大会, 第19回日本エネルギー学会大会講演要旨集, pp. 84-85, Aug. 2010.
• Haryo Oktaviano, Keiko Waki. Chromium Nitride/Carbon nanotube paper as Novel Cathode of PEFC, 電気化学77回大会, Mar. 2010.
• 織田智嗣, 浦野真理, 脇慶子. レドックスキャパシタ電極材料としてのマンガン酸化物の電気化学特性, 化学工学会第38回秋季大会, Sept. 2006.
• 浦野真理, 脇慶子(旧：温慶茹). マンガン酸化物ナノワイヤのレドックスキャパシタ特性, 電気化学73回大会, 電気化学会大会講演要旨集, Vol. 73, pp. 429, Apr. 2006.
• 浦野真理, 脇慶子(旧：温慶茹). スパッタ法により作成したMnO2薄膜のキャパシタ特性, 電気化学72回大会, 電気化学会大会講演要旨集, Vol. 72, pp. 246, Apr. 2005.

特許など

• 脇慶子(旧：温慶茹), 陳杰. 積層体、太陽電池、及び太陽電池の製造方法. 特許. 公開. 国立大学法人東京工業大学. 2018/11/30. 特願2018-224824. 2020/06/04. 特開2020-088316. 2020.
• 脇慶子(旧：温慶茹), CHENTi, ChenJiuting, 中西　暢　. 燃料電池用空気極触媒及びその製造方法並びに燃料電池用空気極触媒を用いた燃料電池. 特許. 公開. 国立大学法人東京工業大学, 信越化学工業株式会社. 2018/03/22. 特願2018-054783. 2019/10/03. 特開2019-169289. 2019.
• 脇慶子(旧：温慶茹), ハリヨ オクタビアノ, 菅野了次, 楊　洋, 冨永真志. リチウムイオン電池用負極材およびそれを用いたリチウムイオン二次電池. 特許. 公開. 国立大学法人東京工業大学. 2012/03/28. 特願2012-073531. 2013/02/28. 特開2013-041806. 2013.
• 脇慶子(旧：温慶茹), 富田　貴洋, 陶　潤邦. 酸化亜鉛半導体材料および製造方法. 特許. 公開. 国立大学法人東京工業大学. 2011/03/25. 特願2011-068147. 2012/10/22. 特開2012-201556. 2012.
• 脇慶子(旧：温慶茹), 高野　理史, 李　建燦. 燃料電池用空気極触媒とその製造方法. 特許. 登録. 国立大学法人東京工業大学, 昭和電工株式会社. 2011/02/04. 特願2011-023361. 2012/08/30. 特開2012-164492. 特許第5660917号. 2014/12/12 2014.
• 脇慶子(旧：温慶茹), 大和　禎, 山崎陽太郎. 複合材料およびその製造方法. 特許. 公開. 国立大学法人東京工業大学. 2007/01/30. 特願2007-018820. 2008/08/14. 特開2008-183508. 2008.
• 脇慶子(旧：温慶茹). 酸化物複合材料、その製造方法および酸化還元電極. 特許. 公開. 国立大学法人東京工業大学. 2006/02/07. 特願2006-029958. 2007/08/23. 特開2007-213859. 2007.
• 脇慶子(旧：温慶茹). マイクロ燃料電池. 特許. 公開. 国立大学法人東京工業大学. 2005/10/18. 特願2005-302838. 2006/06/08. 特開2006-147547. 2006.
• 脇慶子(旧：温慶茹), 松原　健二, 山崎陽太郎. 酸化物複合材料、その製造方法、電気化学デバイス、および酸化物複合材料を含む触媒. 特許. 登録. 国立大学法人東京工業大学. 2005/01/17. 特願2005-009083. 2006/07/27. 特開2006-193392. 特許第4940421号. 2012/03/09 2012.

学位論文

• C60光電材料に関する研究-光電物性及び光電材料への応用可能性-,  本文,  Doctor of Engineering,  The University of Tokyo,  1995/--/--, 

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