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all-carbon positive electrodes for stable aluminium batteries

Journal of Energy Chemistry 2020年第3期29卷 17-26页

作者： Zhili Zhou Na Li Peng Wang Wei-Li Song Shuqiang Jiao Haosen Chen Daining Fang Institute of Advanced Structure Technology Beijing Institute of TechnologyBeijing 100081China Beijing Key Laboratory of Lightweight Multi-Functional Composite Materials and Structures Beijing Institute of TechnologyBeijing 100081China Collaborative Innovation Center of Electric Vehicles in Beijing Beijing Institute of TechnologyBeijing 100081China State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China State Key Laboratory for Turbulence and Complex Systems College of EngineeringPeking UniversityBeijing 100871China

For addressing the critical problems in current collectors in the aluminium batteries,a variety of carbonbased current collectors,including carbon fiber textiles and three-dimensional(3D)biomass-derivative carbon(BDC)networks,are employed for serving as lightweight non-metal current *** results indicate that all the carbon-based current collectors have electrochemical stability in the acidic electrolyte *** the assembled aluminium batteries with all-carbon positive electrodes,thermal annealing process on the carbon-based current collectors has substantially promoted the entire electrochemical energy storage ***,both the structure configuration and chemical components of the current collectors have also great impact on the rate capability and cycling stability,implying that the 3D BDC networks are more favorable to offer promoted energy storage *** of the results from suggests that the carbon-based current collectors and all-carbon positive electrodes are able to deliver more advantages in energy storage behaviors in comparison with the traditional positive electrodes with metal Mo current *** novel strategy promises a new route for fabricating highperformance positive electrodes for stable advanced aluminium batteries.

关键词： carbon fiber Graphite Current collectors all-carbon electrode Al batteries

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all-carbon nanotube diode and solar cell statistically formed from macroscopic network

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Nano Research 2015年第9期8卷 2800-2809页

作者： Albert G. Nasibulin Adinath M. Funde Ilya V. Anoshkin Igor A. Levitskyt kolkovo Institute of Science and Technology 100 Novaya str Skolkovo Moscow Region 143025 Russia Department of Material Science Saint-Petersburg State Polytechnical University Polytechnicheskaya 29 Saint-Petersburg 195251 Russia Department of Applied Physics Aalto University School of Science Puumiehenkuja 2 Espoo 00075 Finland School of Energy Studies Savitribai Phule Pune University Ganeshkhind Pune-411007 India Department of Chemistry University of Rhode Island R102881 USA Emitech Inc. Fall River MA 02720 USA

Schottky diodes and solar cells are statistically created in the contact area between two macroscopic films of single-walled carbon nanotubes （SWNTs） at the junction of semiconducting and quasi-metallic bundles consisting of several high quality tubes. The n-doping of one of the films allows for photovoltaic action, owing to an increase in the built-in potential at the bundle-to-bundle interface. Statistical analysis demonstrates that the Schottky barrier device contributes significantly to the I-V characteristics, compared to the p-n diode. The upper limit of photovoltaic conversion efficiency has been estimated at N20%, demonstrating that the light energy conversion is very efficient for such a unique solar cell. While there have been multiple studies on rectifying SWNT diodes in the nanoscale environment, this is the first report of a macroscopic all-carbon nanotube diode and solar cell.

关键词： all-carbon nanotube solarcell Schottky diode,carbon nanotube diode,carbon nanotube bundles

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