Search Results 1-20 of 1079

  • The Properties of Kaolin from Different Locations and Their Impact on Casting Rate

    Hassan Badr Mervat Said , Yuan Shuaishuai , Dong Jiaqi , El-Shall Hassan , Bermudez Yamile A. , Ortega Diana C. , Lopez-Rendon Jorge E. , Moudgil Brij M.

    … #3 could result in the collapse of the electrical double layer and reduction of zeta potential, consequently, coagulation of the particles leading to an increase of viscosity and dispersant demands. …

    KONA Powder and Particle Journal 38(0), 251-259, 2021


  • Self-assembly of Ni–Fe layered double hydroxide at room temperature for oxygen evolution reaction

    Kim Seong Hyun , Park Yoo Sei , Kim Chiho , Kwon Il Yeong , Lee Jooyoung , Jin Hyunsoo , Lee Yoon-Seok , Choi Sung Mook , Kim Yangdo

    … This paper reports a facile direct growth method to synthesize NiFe-layered double hydroxides (LDHs) on nickel foil as an electrocatalyst for the oxygen evolution reaction. … Direct growth synthesis provide excellent electrical conductivity as well as strong bonding between the catalyst layer and the substrate. …

    Energy Reports 6(Suppl. 7), 248-254, 2020-12-04


  • Carbonization and H3PO4 activation of fern Dicranopteris linearis and electrochemical properties for electric double layer capacitor electrode

    Trinh Trang K. , Tsubota Toshiki , Takahashi Shuto , Mai Nga T. , Nguyen Minh N. , Nguyen Nam H.

    … linearis by H3PO4 activation and examine electrical properties of the activated biochars and their possible usage for the electric double-layer capacitor (EDLC) electrode. …

    Scientific Reports (10), 19974-1-19974-10, 2020-11-17


  • Evolution and Reversible Polarity of Multilayering at the Ionic Liquid/Water Interface  [in Japanese]

    Katakura Seiji , Amano Ken Ichi , Sakka Tetsuo , Bu Wei , Lin Binhua , Schlossman Mark L. , Nishi Naoya

    … Recent work has shown that highly correlated ionic systems behave differently than dilute electrolyte solutions, and interest is focused upon characterizing the electrical and structural properties of the dense electrical double layers (EDLs) formed at internal interfaces. …

    Journal of Physical Chemistry B 124(29), 6412-6419, 2020-07-23


  • Selective Carbon Self-wiring from a Graphite Rod in Water under a DC Electric Field

    Sugioka Hideyuki , Ishikawa Masato , Kado Taiki

    … Selective carbon self-wiring is attractive for the miniaturization of photonic and electrical circuits. … Based on these results, we propose that our self-wiring phenomenon occurs owing to the interlayer coupling through the positive (metal) ions in the electric double layer at the growth point, resulting from an induced charge electro-kinetic phenomenon and chemical reactions. …

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 89(2), 024801, 2020-01-23


  • Cell type Identification based on Ion Transmembrane Transport Considering Extracellular Electrical Double Layer (-Effect of Transmembrane Potential by Cell Membrane Electric Double Layer)  [in Japanese]

    Li Songshi , Kawashima Daisuke , Sugawara Michiko , Obara Hiromichi , Takei Masahiro

    … <p>A cell type recognition method based on ion transmembrane transport is proposed, which considers the double electric layers outside the cell membrane. … The potential difference was calculated by Poisson Boltzmann equation considering the double electric layer model outside the cell membrane. …

    The Proceedings of Conference of Kanto Branch 2020(0), 17E10, 2020


  • Solid-state electric double layer capacitors using sodium polyacrylic acid.  [in Japanese]

    Ryu Tomi , Tashima Daisuke , Kawabata Toshihiko

    <p>We fabricated a solid-state EDLC that designed by electrodes made by activated carbon and electrolyte produced by gel of sodium polyacrylic acid.Using the KOH as electrolyte solution, the wit …

    Record of Joint Conference of Electrical and Electronics Engineers in Kyushu 2020(0), 362-362, 2020


  • Study of EDLC Application as a Countermeasure Against Power Fluctuation in Remote Islands.  [in Japanese]

    高山 滉平 , 田島 大輔 , 橋口 卓平

    … In this study, the application of an electric double-layer capacitor to the short-period fluctuation countermeasure is investigated, and a consideration of the short-period fluctuation countermeasure is reported when the output control of a NAS battery and an internal combustion power generator are combined.</p> …

    Record of Joint Conference of Electrical and Electronics Engineers in Kyushu 2020(0), 363-363, 2020


  • Fabrication of marine plastic waste activated carbon and application for electric double layer capacitors  [in Japanese]

    加塩 拓弘 , 田島 大輔 , 川畑 俊彦

    … The performance of the activated carbon from marine plastic waste when used as an electrode of an electric double layer capacitor was evaluated for its capacitance. …

    Record of Joint Conference of Electrical and Electronics Engineers in Kyushu 2020(0), 364-364, 2020


  • Study on construction of power storage system with thermoelectric generator and electric double layer capacitor  [in Japanese]

    加納 侑弥 , 西村 涼 , 今村 正明 , 田島 大輔

    <p>近年,未利用の廃熱を有効活用して電気に変換する熱電変換技術に期待が高まっている。この熱電変換技術の一つとしてスピン熱電(STE)発電に着目した。STE素子は従来の半導体熱電発電素子よりも極薄化により小型化が可能で,部品数が圧倒的に少ない特徴を持つ。しかし,発電電圧VSTEは今のところ小さい。そこでVSTEを蓄電することを目標に,まずは従来の半導体熱電発電素子と電気二重層キャパシタ …

    Record of Joint Conference of Electrical and Electronics Engineers in Kyushu 2020(0), 47-47, 2020


  • Diagnosing The Heat Degradation of Electric Double Layer Capacitor with Alternative Current Impedance Method and Effect of Degradation due to Residual Voltage  [in Japanese]

    大森 朋希 , 中西 真大 , 田島 大輔

    <p>近年、静電容量が高く、メンテナンスフリーな電気二十層キャパシタ(EDLC)は様々な機器に利用され需要が高まっている。一方で、シビアな環境での使用も想定され、温度履歴によるEDLCの劣化の挙動を知ることは、実用上非常に大切である。そこで、大きな温度変化がEDLCの静電容量やインピーダンスに与える影響について調べた。水蒸気賦活活性炭とKOHを用いて作製したEDLCの温度を、24時間ご …

    Record of Joint Conference of Electrical and Electronics Engineers in Kyushu 2020(0), 56-56, 2020


  • Investigating sub-nanometer scale structures of ionic liquid - Au electrode interfaces by 3D scanning force microscopy  [in Japanese]

    Ikarashi Takahiko , Sakakibara Ryo , Yoshino Takumi , Miyazawa Keisuke , Sumikama Takashi , Miyata Kazuki , Shimizu Sunao , Iwasa Yoshihiro , Fukuma Takeshi

    <p>イオン液体と固体の界面に形成される電気二重層は比較的高い電荷密度を持つことが知られており、そのナノ構造の解明が期待されている。本研究では固液界面構造をサブナノスケールで直接計測できる3次元走査型力顕微鏡(3D-SFM)を用いて、バイアス電圧を印加した金電極とイオン液体の界面構造の可視化に成功した。その結果、その構造が強いバイアス電圧依存性を示すだけでなく、面内不均一性があることを …

    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science 2020(0), 252, 2020


  • Electrochemical ion adsorption behavior of single-wall carbon nanotube capacitor electrodes  [in Japanese]

    Ishii Yosuke , Al-zubaidi Ayar , Kawasaki Shinji

    … It was found that capacitance of SWCNT capacitor electrodes depends not only on the surface area, but also on the electrical density of states (DOS) of the SWCNTs. …

    TANSO 2020(295), 152-165, 2020


  • Optimization Design of Electrically-Induced Bubble Device for Intraocular Treatment  [in Japanese]

    Ichikawa Keita , Uning Kevin Theodric , Oh Hideyasu , Moriizumi Yasuhiro , Yamanishi Yoko

    … In this study, we focused on the impact pressure of micro-jet which is generated by the collapse of the electrical-induced bubbles. … In this paper, we proposed the electrofluidc optimization design considering the electric double layer capacitor(EDLC).</p> …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1A1-N12, 2020


  • Rapid preparation of nitrogen-doped carbon and its use in electrochemical capacitors  [in Japanese]

    Abe Chieko , Tsumura Tomoki , Toyoda Masahiro

    … <p>The nitrogen-doping of carbon materials has attracted attention as a technique for improving their electrical and chemical properties. … The electrtic double-layer capacitance per unit mass of the obtained carbon in a sulfuric acid electrolyte solution was 190 F/g at a current density of 50 mA/g, retaining a high value of 175 F/g even at a high current density of 1000 mA/g. …

    TANSO 2020(294), 113-121, 2020


  • Feasibility of Electric Double-Layer Coupler for Wireless Power Transfer under Seawater

    TAMURA Masaya , MURAI Kousuke , MATSUKAMI Hiroaki

    … <p>This paper presents the feasibility of a capacitive coupler utilizing an electric double layer for wireless power transfer under seawater. … Since seawater is an electrolyte solution, an electric double layer (EDL) is formed on the electrode surface of the coupler in direct current. …

    IEICE Transactions on Electronics E103.C(6), 308-316, 2020


  • Recent Advances in Supercapacitors: Ultrafast Materials Make Innovations

    OKITA Naohisa , IWAMA Etsuro , NAOI Katsuhiko

    … <p>Electrical energy storage (EES) devices are at the core of the environmental technologies that are highly influential in advancing our life in a future society. … Among different EES technologies, electric double layer capacitors (EDLCs) are considered as promising devices due to their high-power, safe and long-lived characteristics. …

    Electrochemistry 88(3), 83-87, 2020


  • Role of device architecture and AlOX interlayer in organic Schottky diodes and their interpretation by analytical modeling

    Kumari Nikita , Pandey Manish , Hamada Kengo , Hirotani Daisuke , Nagamatsu Shuichi , Hayase Shuzi , Pandey Shyam S.

    … The importance of oxidized aluminum nanostructures as an interlayer at the Schottky interface for the dramatic enhancement of the rectification ratio (>106 at ±5 V) has been demonstrated, which is attributed to suppressed leakage current due to the oxide layer and the formation of a charge double layer. …

    Journal of Applied Physics (126), 125501-1-125501-12, 2019-09-25


  • Superconductivity in a new layered triangular-lattice system Li2IrSi2

    Horigane K , Takeuchi K , Hyakumura D , Horie R , Sato T , Muranaka T , Kawashima K , Ishii H , Kubozono Y , Orimo S , Isobe M , Akimitsu J

    … The crystal structure comprises IrSi2 and double Li layers stacked alternately along the c-axis. … The IrSi2 layer includes a two-dimensional Ir equilateral-triangular lattice. … Electrical resistivity and static magnetic measurements revealed that Li2IrSi2 is a type-II superconductor with critical temperature (Tc) of 3.3 K. …

    New Journal of Physics (21), 093056, 2019-09-24


  • Study on Deterioration Test by Variable Load and Thermal Acceleration Test of The Electric Double Layer Capacitor

    T. Bouno , K. Miura , T. Yuji , N. Kamata

    … An electric double layer capacitor is an electric storage device that has been attracting attention recently. … The purpose of this research is to obtain basic data for prevention/ conservation by investigating deterioration/life characteristics of electric double layer capacitors using a thermostatic oven. …

    International Conference on Applied Electrical and Mechanical Engineering 2019, 155-157, 2019-09


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