北海道大学 · 工学
Chunyu Zhu教授の研究室は、バイオマスを原料とする持続可能な炭素材料の設計・合成に注力しており、エネルギー貯蔵・変換デバイスに応用可能な高比表面積・制御された多孔構造を有するハイブリッド炭素材料の開発を進めています。特に、マグネシウムナイトレートやカーボネートをテンプレートとして用いたナノ構造の精密制御や、リチウムイオン電池用の高効率電極材料の創出が特徴です。また、水素貯蔵材料や形状安定型相変化材料の開発にも取り組んでおり、次世代エネルギー材料の実用化に向けた基盤技術を構築しています。
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The development of green and clean synthetic techniques to produce carbon materials for energy storage and conversion applications has motivated researchers to use sustainable biomass. In this study, hierarchical porous carbon (HPC) with very high specific surface area and controlled porosity is synthesized by a novel and facile method, which employs an exothermic pyrolysis process of starch–magnesium nitrate raw materials with subsequent high temperature thermal treatment and acid washing. The
This paper presents a biomass-derived porous carbon containing macro/mesopores for high-performance LIB anodes.
Anisotropic thermally conductive and shape-stabilized phase change composites were prepared with vertically aligned carbon fibers as supporting scaffolds.
This paper presents a new CaCO3-template synthesis of highly nanoporous manganese oxide hollow structures and their transformation to high-performance LiMn2O4 cathodes for lithium-ion batteries via the facile coprecipitation of Mn–Ca-carbonates and temperature-controlled decomposition of MnCO3 and CaCO3, followed by the selective removal of the carbonates by washing with HCl. The as-prepared Mn2O3 nanostructures showed very high specific surface area with their subunit particle size of <30 nm, a
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