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Dive into the research topics where Shunsuke Maekawa is active.

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Featured researches published by Shunsuke Maekawa.


Journal of the American Chemical Society | 2012

Photoelectrochemical Conversion of Toluene to Methylcyclohexane as an Organic Hydride by Cu2ZnSnS4-Based Photoelectrode Assemblies

Peng Wang; Tsutomu Minegishi; Guijun Ma; Kazuhiro Takanabe; Yasushi Satou; Shunsuke Maekawa; Yoshihiro Kobori; Jun Kubota; Kazunari Domen

Direct photoelectrochemical conversion of toluene (TL) to methylcyclohexane (MC) with water has been examined as an organic hydride conversion using light irradiation. The production of MC from TL was observed on Pt/CdS/Cu(2)ZnSnS(4)/Mo photoelectrodes with anion-type ionomer membrane assemblies. A cathodic photocurrent was observed below 0.7 V vs RHE (V(RHE)) in 0.1 M Na(2)SO(4)/NaOH (pH 9.5) aqueous solution, and an apparent photocurrent density of 0.5 mA cm(-2) was obtained at 0 V(RHE) under the irradiation of a 300 W Xe lamp with a 420 nm cutoff filter. The yield of MC was measured by gas chromatography, and an 88% faradaic efficiency was estimated. This study suggests the possibility of direct energy conversion from solar energy to MC as an energy carrier of organic hydrides.


MEMBRANE | 2012

Development of CO2 Separation Membrane Modules Containing Ionic Liquid and those Applications toward Hydrogen Production

Kaori Takano; Shunsuke Maekawa; Masakazu Ikeda

水素はエネルギーとして使用した時に CO2 を生成 しないためクリーンなエネルギーとして期待されて いる.また,水素は石炭,石油,天然ガスに代表さ れる化石燃料のほか,バイオマス,水分解からも製 造することができるため,水素をエネルギーの基幹 インフラとすれば,エネルギー源の多様化を図るこ ともできる.地球温暖化につながる化石燃料由来の CO2 排出量を減らすためには,水素を太陽光や風力 などの再生エネルギーを利用して製造することが理 想だが,技術実証のほか,安定供給,製造コスト等 の問題があり実用化には時間を要すると思われる. その一方で,燃料電池実用化推進協議会(Fuel Cell Commercialization Conference of Japan :以下,FCCJ と略す)では 2015 年から燃料電池車(Fuel Cell Vehicle :以下,FCV と略す)を一般ユーザーに普及 させるために,FCV 普及に先立って水素供給インフ ラを構築することを骨子としたシナリオを発表し 1), また 2011 年 1 月に自動車メーカーとエネルギー供給 事業者(全 13 社)も,2015 年からの FCV 量産開始と * Corresponding Author Tel: 045-625-7327 Fax: 045-625-7275 E-mail: [email protected] イオン液体を利用した CO2 分離膜モジュールの開発と 水素製造への応用


Archive | 2008

Method and apparatus for hydrogen production and carbon dioxide recovery

Takuya Niitsuma; Shunsuke Maekawa; Yoshihiro Kobori


Archive | 2008

METHOD AND APPARATUS FOR PRODUCING HYDROGEN AND RECOVERING CARBON DIOXIDE

Takuya Niitsuma; Shunsuke Maekawa; Yoshihiro Kobori


Archive | 2008

Method of hydrogen production and carbon dioxide recovery and apparatus therefor

Takuya Niitsuma; Shunsuke Maekawa; Yoshihiro Kobori


Journal of Nanoparticle Research | 2011

Synthesis of vanadium-doped palladium nanoparticles for hydrogen storage materials

Yuki Yamamoto; Mariko Miyachi; Yoshinori Yamanoi; Ai Minoda; Shunsuke Maekawa; Shinji Oshima; Yoshihiro Kobori; Hiroshi Nishihara


Archive | 2007

POROUS METAL COMPLEX, METHOD FOR PRODUCING THE SAME AND GAS OCCLUDING MATERIAL CONTAINING POROUS METAL COMPLEX

Masakazu Higuchi; Takeshi Kataoka; Susumu Kitagawa; Yukio Kobayashi; Yoshihiro Kobori; Shunsuke Maekawa; Shinji Oshima; Daisuke Watabe; 俊輔 前川; 進 北川; 伸司 大島; 良浩 小堀; 幸雄 小林; 雅一 樋口; 大輔 渡部; 健 片岡


Archive | 2011

Organic compound hydrogenation device and hydrogenation method

Yasushi Sato; Yoshihiro Kobori; Shunsuke Maekawa; Kazunari Domen; Jun Kubota; Masakazu Higuchi; Kazuhiro Takanabe


Archive | 2011

Hydrogen separation membrane module and hydrogen separation method using same

Masakazu Ikeda; Shunsuke Maekawa; Kaori Takano


Journal of Inorganic and Organometallic Polymers and Materials | 2014

Synthesis and Hydrogen Storage Properties of Palladium Nanoparticle–Organic Frameworks

Yuki Yamamoto; Mariko Miyachi; Yoshinori Yamanoi; Ai Minoda; Shunsuke Maekawa; Shinji Oshima; Yoshihiro Kobori; Hiroshi Nishihara

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Shinji Oshima

Yokohama National University

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