Search Results - "YAMANAKA, Keisuke"

Origin of stabilization and destabilization in solid-state redox reaction of oxide ions for lithium-ion batteries by Yabuuchi, Naoaki, Nakayama, Masanobu, Takeuchi, Mitsue, Komaba, Shinichi, Hashimoto, Yu, Mukai, Takahiro, Shiiba, Hiromasa, Sato, Kei, Kobayashi, Yuki, Nakao, Aiko, Yonemura, Masao, Yamanaka, Keisuke, Mitsuhara, Kei, Ohta, Toshiaki

“…Further increase in energy density of lithium batteries is needed for zero emission vehicles. However, energy density is restricted by unavoidable theoretical…”
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Nanostructuring one-dimensional and amorphous lithium peroxide for high round-trip efficiency in lithium-oxygen batteries by Dutta, Arghya, Wong, Raymond A., Park, Woonghyeon, Yamanaka, Keisuke, Ohta, Toshiaki, Jung, Yousung, Byon, Hye Ryung

“…The major challenge facing lithium–oxygen batteries is the insulating and bulk lithium peroxide discharge product, which causes sluggish decomposition and…”
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Structurally Tuning Li2O2 by Controlling the Surface Properties of Carbon Electrodes: Implications for Li–O2 Batteries by Wong, Raymond A, Dutta, Arghya, Yang, Chunzhen, Yamanaka, Keisuke, Ohta, Toshiaki, Nakao, Aiko, Waki, Keiko, Byon, Hye Ryung

“…In lithium oxygen (Li–O2) batteries, controlling the structure of lithium peroxide (Li2O2) can reduce the large overpotential of the charge process as this…”
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Elucidating Influence of Mg‐ and Cu‐Doping on Electrochemical Properties of O3‐Nax[Fe,Mn]O2 for Na‐Ion Batteries by Yoda, Yusuke, Kubota, Kei, Kuroki, Kazutoshi, Suzuki, Shinya, Yamanaka, Keisuke, Yaji, Toyonari, Amagasa, Shota, Yamada, Yasuhiro, Ohta, Toshiaki, Komaba, Shinichi

“…Although O3‐NaFe1/2Mn1/2O2 delivers a large capacity of over 150 mAh g−1 in an aprotic Na cell, its moist‐air stability and cycle stability are unsatisfactory…”
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Metal‐Dependent Support Effects of Oxyhydride‐Supported Ru, Fe, Co Catalysts for Ammonia Synthesis by Tang, Ya, Kobayashi, Yoji, Masuda, Naoya, Uchida, Yoshinori, Okamoto, Hiroki, Kageyama, Toki, Hosokawa, Saburo, Loyer, François, Mitsuhara, Kei, Yamanaka, Keisuke, Tamenori, Yusuke, Tassel, Cédric, Yamamoto, Takafumi, Tanaka, Tsunehiro, Kageyama, Hiroshi

“…Ammonia is an attractive energy carrier for the hydrogen economy, given its high hydrogen density and ease of liquefaction. A titanate oxyhydride has recently…”
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Sequential delithiation behavior and structural rearrangement of a nanoscale composite-structured Li1.2Ni0.2Mn0.6O2 during charge–discharge cycles by Shimoda, Keiji, Yazawa, Koji, Matsunaga, Toshiyuki, Murakami, Miwa, Yamanaka, Keisuke, Ohta, Toshiaki, Matsubara, Eiichiro, Ogumi, Zempachi, Abe, Takeshi

“…Lithium- and manganese-rich layered oxides (LMRs) are promising positive electrode materials for next-generation rechargeable lithium-ion batteries. Herein,…”
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Activation and stabilization mechanisms of anionic redox for Li storage applications: Joint experimental and theoretical study on Li2TiO3–LiMnO2 binary system by Kobayashi, Yuki, Sawamura, Miho, Kondo, Sayaka, Harada, Maho, Noda, Yusuke, Nakayama, Masanobu, Kobayakawa, Sho, Zhao, Wenwen, Nakao, Aiko, Yasui, Akira, Rajendra, Hongahally Basappa, Yamanaka, Keisuke, Ohta, Toshiaki, Yabuuchi, Naoaki

“…[Display omitted] A binary system of Li2TiO3–LiMnO2 is systematically examined by joint experimental and theoretical studies as electrode materials for Li…”
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Na-Excess Cation-Disordered Rocksalt Oxide: Na1.3Nb0.3Mn0.4O2 by Sato, Kei, Nakayama, Masanobu, Glushenkov, Alexey M, Mukai, Takahiro, Hashimoto, Yu, Yamanaka, Keisuke, Yoshimura, Masashi, Ohta, Toshiaki, Yabuuchi, Naoaki

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Degradation Mechanism of Conversion-Type Iron Trifluoride: Toward Improvement of Cycle Performance by Senoh, Hiroshi, Matsui, Keitaro, Shikano, Masahiro, Okumura, Toyoki, Kiuchi, Hisao, Shimoda, Keiji, Yamanaka, Keisuke, Ohta, Toshiaki, Fukunaga, Toshiharu, Sakaebe, Hikari, Matsubara, Eiichiro

“…Conversion-type iron trifluoride (FeF3) has attracted considerable attention as a positive electrode material for lithium secondary batteries due to its high…”
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Structural change and charge compensation mechanism for Li1+(Fe0.1Ni0.1Mn0.8)1-O2 (0 < x <1/3) positive electrode material during electrochemical activation by Tabuchi, Mitsuharu, Sasaki, Yoshikazu, Shibuya, Hideka, Doumae, Kyousuke, Katayama, Misaki, Yamanaka, Keisuke, Inada, Yasuhiro, Yuge, Ryota, Kubota, Kei

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Influence of FCP-COMPLEX on bond strength and the adhesive–artificial caries-affected dentin interface by ATOMURA, Junji, INOUE, Go, NIKAIDO, Toru, YAMANAKA, Keisuke, UO, Motohiro, TAGAMI, Junji

“…FCP-COMPLEX is a newly developed solution containing fluoride, calcium, and phosphoric acid that has the potential to reinforce caries-affected dentin. This…”
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Local 3d Electronic Structures of Co-Based Complexes with Medicinal Molecules Probed by Soft X-ray Absorption by Yamagami, Kohei, Fujiwara, Hidenori, Imada, Shin, Kadono, Toshiharu, Yamanaka, Keisuke, Muro, Takayuki, Tanaka, Arata, Itai, Takuma, Yoshinari, Nobuto, Konno, Takumi, Sekiyama, Akira

“…We have examined the local 3d electronic structures of Co-Au multinuclear complexes with the medicinal molecules d-penicillaminate (d-pen) [Co{Au(PPh3)(d-pen)}…”
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Evaluation of oxygen contribution on delithiation process of Li-rich layered 3d transition metal oxides by Oishi, Masatsugu, Shimoda, Keiji, Okada, Sojiro, Imura, Ryoshi, Yamanaka, Keisuke, Yamashige, Hisao, Mizuguchi, Hitoshi, Watanabe, Iwao, Uchimoto, Yoshiharu, Ohta, Toshiaki

“…[Display omitted] We investigated the oxygen contributions on delithiation process of different types of layered 3d transition metal oxides, Li2TiO3, Li2MnO3,…”
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Quaternary range-shift history of Japanese wingnut (Pterocarya rhoifolia) in the Japanese Archipelago evidenced from chloroplast DNA and ecological niche modeling by Sugahara, Kanako, Kaneko, Yuko, Sakaguchi, Shota, Ito, Satoshi, Yamanaka, Keisuke, Sakio, Hitoshi, Hoshizaki, Kazuhiko, Suzuki, Wajirou, Yamanaka, Norikazu, Isagi, Yuji, Momohara, Arata, Setoguchi, Hiroaki

“…Based on organelle DNA phylogeographic analyses and ecological niche modeling (ENM), we investigated the range-shift history of the Japanese wingnut…”
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Promoting Formation of Noncrystalline Li2O2 in the Li–O2 Battery with RuO2 Nanoparticles by Yilmaz, Eda, Yogi, Chihiro, Yamanaka, Keisuke, Ohta, Toshiaki, Byon, Hye Ryung

“…Low electrical efficiency for the lithium–oxygen (Li–O2) electrochemical reaction is one of the most significant challenges in current nonaqueous Li–O2…”
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Comparison of photodegradation of methylene blue using various TiO2 films and WO3 powders under ultraviolet and visible-light irradiation by Matsunami, Daichi, Yamanaka, Keisuke, Mizoguchi, Tadashi, Kojima, Kazuo

“…[Display omitted] •UV-vis and LC-MS indicated that photodegradation products of MB were produced via N-demethylation, cleavage of C-N and C-S, and addition of…”
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Unexpected Li2O2 Film Growth on Carbon Nanotube Electrodes with CeO2 Nanoparticles in Li–O2 Batteries by Yang, Chunzhen, Wong, Raymond A, Hong, Misun, Yamanaka, Keisuke, Ohta, Toshiaki, Byon, Hye Ryung

“…In lithium–oxygen (Li–O2) batteries, it is believed that lithium peroxide (Li2O2) electrochemically forms thin films with thicknesses less than 10 nm resulting…”
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Phylogeography of Japanese horse chestnut (Aesculus turbinata) in the Japanese Archipelago based on chloroplast DNA haplotypes by Sugahara, Kanako, Kaneko, Yuko, Ito, Satoshi, Yamanaka, Keisuke, Sakio, Hitoshi, Hoshizaki, Kazuhiko, Suzuki, Wajiro, Yamanaka, Norikazu, Setoguchi, Hiroaki

“…Japanese horse chestnut (Aesculus turbinata: Hippocastanaceae) is one of the typical woody plants that grow in temperate riparian forests in the Japanese…”
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Elucidating Influence of Mg- and Cu-Doping on Electrochemical Properties of O3-Na x [Fe,Mn]O 2 for Na-Ion Batteries by Yoda, Yusuke, Kubota, Kei, Kuroki, Kazutoshi, Suzuki, Shinya, Yamanaka, Keisuke, Yaji, Toyonari, Amagasa, Shota, Yamada, Yasuhiro, Ohta, Toshiaki, Komaba, Shinichi

“…Although O3-NaFe Mn O delivers a large capacity of over 150 mAh g in an aprotic Na cell, its moist-air stability and cycle stability are unsatisfactory for…”
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Nanosize Cation‐Disordered Rocksalt Oxides: Na2TiO3–NaMnO2 Binary System by Kobayashi, Tokio, Zhao, Wenwen, Rajendra, Hongahally Basappa, Yamanaka, Keisuke, Ohta, Toshiaki, Yabuuchi, Naoaki

“…To realize the development of rechargeable sodium batteries, new positive electrode materials without less abundant elements are explored. Enrichment of sodium…”
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