Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Kazuma Kumai"'
Autor:
Nobuyuki Terada, Kazuma Kumai, Toru Iwahori, Kaoru Ishihara, N Arai, T Nakatsu, Katsuhito Takei, K Miyake
Publikováno v:
Journal of Power Sources. :887-892
The results of performance tests of the battery modules and single cells developed as part of the Japanese national project for energy storage are reported. Two types of 2 kWh-class modules for stationary use have almost attained the target of initia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63144125a394482283f9bc0bed855b34
https://doi.org/10.1016/s0378-7753(03)00200-3
https://doi.org/10.1016/s0378-7753(03)00200-3
Autor:
Yo Kobayashi, Kazuma Kumai, Hajime Miyashiro, Toru Iwahori, Toshikatsu Tanaka, Katsuhito Takei, Nobuyuki Terada
Publikováno v:
Journal of Power Sources. :697-701
The testing methods to estimate the life cycles of lithium ion batteries for a short period, have been developed using a commercialized cell with LiCoO 2 /hard carbon cell system. The degradation reactions with increasing cycles were suggested to occ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1de86146f908b796b435f502f8946de4
https://doi.org/10.1016/s0378-7753(01)00646-2
https://doi.org/10.1016/s0378-7753(01)00646-2
Publikováno v:
Journal of Power Sources. :715-719
To elucidate the gas generation mechanism due to electrolyte decomposition in commercial lithium-ion cells after long cycling, we developed a device which can accurately determine the volume of generated gas in the cell. Experiments on LixC6/Li1−xC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b5f4f1b597a22c388de0cdee7f2ba99
https://doi.org/10.1016/s0378-7753(98)00234-1
https://doi.org/10.1016/s0378-7753(98)00234-1
Autor:
Nobuyuki Terada, Katsuhito Takei, Yo Kobayashi, Nobuo Kihira, Rikio Ishikawa, Hajime Miyashiro, Kazuma Kumai
Publikováno v:
Journal of Power Sources. :463-466
A simultaneous electrochemical and calorimetric measurement was conducted on a spinel lithium manganese oxide (LiMn 2 O 4 )-cathode, carbon-anode prismatic lithium ion cell. From the comparison of thermal behavior at room temperature (25°C) and at a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3d9b2a2d0e8626da48835f2ffe93408
https://doi.org/10.1016/s0378-7753(99)00203-7
https://doi.org/10.1016/s0378-7753(99)00203-7
Autor:
Nobuyuki Imanishi, Toru Iwahori, Kaoru Ishihara, Osamu Yamamoto, Kazuma Kumai, Tomohiko Ikeya, Yasuo Takeda
Publikováno v:
Journal of Power Sources. 70:235-239
The degradation mechanism due to the decomposition of organic electrolytes during charge and discharge cycling of Li/MoS2 cells has been investigated. The gas products of the electrolyte decomposition during long cycling were measured by gas chromato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a5eef2aa36d428fb1cf1f27ca42d849
https://doi.org/10.1016/s0378-7753(97)02678-5
https://doi.org/10.1016/s0378-7753(97)02678-5
Autor:
Yo Kobayashi, Toshikatsu Tanaka, Nobuyuki Terada, Katsuhito Takei, Hajime Miyashiro, Kazuma Kumai, Toru Iwahori
Publikováno v:
Journal of Power Sources. 68:427-431
The resistance to damage during overcharge and overdischarge of a single cell and the possibility of series-connected multi-cell operation have been investigated using a commercialized lithium-ion cell. The single cell showed sufficient cycleability
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2fe81b9d21c7cba1adb3124130a7594
https://doi.org/10.1016/s0378-7753(96)02564-5
https://doi.org/10.1016/s0378-7753(96)02564-5
Publikováno v:
Journal of Power Sources. 55:191-195
The anodic behaviour of various carbon black (CB) samples prepared by the oil furnace method has been investigated in 1 M LiPF6 solution in ethylene carbonate-1,2-dimethoxyethane 50 50 (by volume). These CB samples had different macroscopic structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d46a02c5501da85a051cdca25d83bbb
https://doi.org/10.1016/0378-7753(95)02190-r
https://doi.org/10.1016/0378-7753(95)02190-r
Autor:
Toru Iwahori, Hajime Miyashiro, Kazuma Kumai, T. Uwai, Yo Kobayashi, Hitoshi Ue, Katsuhito Takei
Publikováno v:
Journal of Power Sources. 54:171-174
The property of the surface film formed on the carbon black anode of a lithium cell at the initial reduction stage was investigated. About 90% of the carbon black surface was covered with a smooth film about 10–15 A in thickness after five cyclic v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b642228c9fded945b00d43c3f50ea4f2
https://doi.org/10.1016/0378-7753(94)02061-7
https://doi.org/10.1016/0378-7753(94)02061-7
Publikováno v:
Journal of The Electrochemical Society. 140:3082-3086
This study attempted to find a simpler method for modifying hydrogen storage alloys that are used as anodes in Ni-MH batteries to prolong their cycle life. The alloy was modified by mechanical grinding with cobalt metal powder. A short grinding time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe896857cc5b9dfbf74a64385361eb9a
https://doi.org/10.1149/1.2220988
https://doi.org/10.1149/1.2220988
Publikováno v:
Journal of The Electrochemical Society. 149:A978
The thermal behavior of a lithium-ion cell during charge and discharge was determined using an isothermal calorimeter. In order to assign the thermal characteristics of the lithium-ion cell to the cathode (LiCoO 2 ) and the anode (graphite) material,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59b22a7133781532aa0828dcfe9946db
https://doi.org/10.1149/1.1487833
https://doi.org/10.1149/1.1487833