Search Results - "TABUCHI, Mitsuharu"

Surface modification using Sm-oxide of Fe- and Ni-substituted Li2MnO3 cathodes by Yuge, Ryota, Kuroshima, Sadanori, Miyazaki, Takashi, Tabuchi, Mitsuharu, Doumae, Kyosuke, Shibuya, Hideka, Tamura, Noriyuki

“…We investigated the effect of coating Fe- and Ni-substituted Li2MnO3 cathodes (Li1.23Mn0.46Fe0.15Ni0.15O2, LMFN) with Sm oxide (Sm2O3). The cells with LMFN and…”
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Structural analysis during activation and cycling for Fe- and Ni-substituted Li2MnO3 positive electrode material by Tabuchi, Mitsuharu, Kitta, Mitsunori, Shibuya, Hideka, Doumae, Kyosuke, Yuge, Ryota, Narita, Kaoru, Tamura, Noriyuki

“…10 mol% Fe- and Ni-substituted Li2MnO3 (Li1+x(Fe0.1Ni0.1Mn0.8)1-xO2, 0 < x < 1/3) samples were prepared under different calcination atmospheres (in air or…”
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Chemical and structural changes of 70Li2S-30P2S5 solid electrolyte during heat treatment by Aoki, Yasuhito, Ogawa, Kengo, Nakagawa, Takeshi, Hasegawa, Yuichi, Sakiyama, Yoko, Kojima, Toshikatsu, Tabuchi, Mitsuharu

“…To elucidate the chemical and structural changes of sulfide solid electrolyte during heat treatment, in situ outgas (TPD-MS), Raman, and XRD analyses were…”
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Mn source effects on electrochemical properties of Fe -and Ni-substituted Li2MnO3 positive electrode material by Tabuchi, Mitsuharu, Kitta, Mitsunori, Kageyama, Hiroyuki, Shibuya, Hideka, Imaizumi, Junichi

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Irreversible structural change of a spinel Li4Ti5O12 particle via Na insertion-extraction cycles of a sodium-ion battery by Kitta, Mitsunori, Kuratani, Kentaro, Tabuchi, Mitsuharu, Takeichi, Nobuhiko, Akita, Tomoki, Kiyobayashi, Tetsu, Kohyama, Masanori

“…[Display omitted] •Spinel Li4Ti5O12 as a Na-ion battery anode material was studied by XRD and TEM.•Irreversible structural change of Li4Ti5O12 was induced…”
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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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Fe content effects on electrochemical properties of Fe-substituted Li2MnO3 positive electrode material by TABUCHI, Mitsuharu, NABESHIMA, Yoko, TAKEUCHI, Tomonari, TATSUMI, Kuniaki, IMAIZUMI, Junichi, NITTA, Yoshiaki

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57Fe Mössbauer study of high-valent Fe ions in Fe-substituted Li2MnO3 by Kobayashi, Yasuhiro, Tabuchi, Mitsuharu, Seto, Makoto

“…The valence of Fe is important not only for chemical properties but also for magnetism and catalytic activity and so on. Fe substituted Li 2 MnO 3 is known as…”
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Synthesis and electrochemical characterization of Fe and Ni substituted Li2MnO3―An effective means to use Fe for constructing Co-free Li2MnO3 based positive electrode material by TABUCHI, Mitsuharu, NABESHIMA, Yoko, TAKEUCHI, Tomonari, KAGEYAMA, Hiroyuki, TATSUMI, Kuniaki, AKIMOTO, Junji, SHIBUYA, Hideka, IMAIZUMI, Junichi

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X-ray and thermal analysis of high-capacity iron- and nickel-containing lithium-rich layered-oxide cathode treated by carbothermal reduction by Narita, Kaoru, Yuge, Ryota, Kuroshima, Sadanori, Tabuchi, Mitsuharu, Doumae, Kyosuke, Shibuya, Hideka, Tamura, Noriyuki, Tsuji, Masayoshi

“…A high-capacity iron- and nickel-substituted Li2MnO3 cathode [i.e., Li1.26Fe0.11Ni0.11Mn0.52O2 (LFNM)] treated by carbothermal reduction was analyzed, and the…”
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Structural change during charge–discharge for iron substituted lithium manganese oxide by Tabuchi, Mitsuharu, Kageyama, Hiroyuki, Kubota, Kei, Shibuya, Hideka, Doumae, Kyosuke, Kanno, Ryoji

“…For this study, Fe-substituted Li2MnO3 (Li1+x(Fe0.25Mn0.75)1-xO2, 0 < x < 1/3) was prepared using coprecipitation–calcination. The change in the cation…”
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Stepwise charging and calcination atmosphere effects for iron and nickel substituted lithium manganese oxide positive electrode material by Tabuchi, Mitsuharu, Kageyama, Hiroyuki, Shibuya, Hideka, Doumae, Kyosuke, Yuge, Ryota, Tamura, Noriyuki

“…Fe- and Ni-substituted Li2MnO3 (Li1+x(FeyNiyMn1−2y)1−xO2, 0 < x < 1/3, y = 0.1, 0.15, 0.2) was prepared using coprecipitation–calcination. Its electrochemical…”
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Synthesis and Characterization of the Crystal and Magnetic Structures and Properties of the Hydroxyfluorides Fe(OH)F and Co(OH)F by Ben Yahia, Hamdi, Shikano, Masahiro, Tabuchi, Mitsuharu, Kobayashi, Hironori, Avdeev, Maxim, Tan, Thiam Teck, Liu, Samuel, Ling, Chris D

“…The title compounds were synthesized by a hydrothermal route from a 1:1 molar ratio of lithium fluoride and transition-metal acetate in an excess of water. The…”
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Structural and electrochemical properties of iron- and nickel-substituted Li 2 MnO 3 cathodes in charged and discharged states by Yuge, Ryota, Kuroshima, Sadanori, Toda, Akio, Miyazaki, Takashi, Tabuchi, Mitsuharu, Doumae, Kyosuke, Shibuya, Hideka, Tamura, Noriyuki

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New fluorophosphate Li2−xNaxFe[PO4]F as cathode material for lithium ion battery by Ben Yahia, Hamdi, Shikano, Masahiro, Koike, Shinji, Sakaebe, Hikari, Tabuchi, Mitsuharu, Kobayashi, Hironori

“…The new compound Li1.65Na0.35Fe[PO4]F with the Li2Ni[PO4]F structure has been prepared from the analogous LiNaFe[PO4]F phase by ion exchange using LiBr in…”
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Cathode properties of phospho-olivine LiMPO4 for lithium secondary batteries by OKADA, Shigeto, SAWA, Shoichiro, EGASHIRA, Minato, YAMAKI, Jun-Ichi, TABUCHI, Mitsuharu, KAGEYAMA, Hiroyuki, KONISHI, Tokuzo, YOSHINO, Akira

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Electrochemical and magnetic studies of Cr3+- or Co3+-substituted Li―Mn―Ni spinel oxides by KAWAI, Naoki, NAKAMURA, Tatsuya, YAMADA, Yoshihiro, TABUCHI, Mitsuharu

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Heat-Treatment Effect on Phase Stability, Cation Distribution, Chemical Composition, and Electrochemical Behavior for Fe-Substituted Li2MnO3 by Tabuchi, Mitsuharu, Nakashima, Akiko, Ado, Kazuaki, Kageyama, Hiroyuki, Tatsumi, Kuniaki

“…By combining coprecipitation, hydrothermal, and firing methods under various firing temperatures (500−750 °C), Fe-substituted Li2MnO3 (nominal formula…”
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Preparation of dense LiFePO4/C composite positive electrodes using spark-plasma-sintering process by TAKEUCHI, Tomonari, TABUCHI, Mitsuharu, NAKASHIMA, Akiko, NAKAMURA, Tatsuya, MIWA, Yoshiki, KAGEYAMA, Hiroyuki, TATSUMI, Kuniaki

“…Composite positive electrodes LiFePO4/C, applicable for rechargeable lithium-ion batteries cycled at high current density, were prepared using…”
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The effects of preparation condition and dopant on the electrochemical property for fe-substituted Li2MnO3 by TABUCHI, Mitsuharu, NAKASHIMA, Akiko, ADO, Kazuaki, SAKAEBE, Hikari, KOBAYASHI, Hironori, KAGEYAMA, Hiroyuki, TATSUMI, Kuniaki, KOBAYASHI, Yo, SEKI, Shiro, YAMANAKA, Atsushi

“…The specific capacity of Fe-substituted Li2MnO3 (Li1.2Fe0.4Mn0.4O2) was improved by adjusting the preparation temperature of Fe-Mn co-precipitate below RT in…”
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