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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EE, IEE-SPC | 2014-07-11 11:00 |
Hiroshima | Hiroshima Institute of Technology | Safety and High Discharge Rate of 5C Characteristics of 100-Ah-Class Lithium Ion Cells for Backup use Application Tomonobu Tsujikawa, Kahou Yabuta (NTT-F), Masayasu Arakawa (NTT Facilities Research Institute), Koji Hayashi (Shin-Kobe Electric Machinery)  EE2014-13 |
[more] | EE2014-13 pp.45-49 |
| EE, CPM | 2013-01-24 14:45 |
Kumamoto | Lifetime characteristics and safety of lithium-ion cells for telecommunications Tomonobu Tsujikawa, Kahou Yabuta (NTT-F), Masayasu Arakawa (NTT Facilities Research Institute Inc.), Koji Hayashi (Shin-Kobe Electric Machinery Co., Ltd.) EE2012-36 CPM2012-158 |
[more] | EE2012-36 CPM2012-158 pp.47-51 |
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| EE, IEE-SPC | 2012-07-30 13:30 |
Nara | Influence of voltage ripples superimposed on the floating charge voltages of UPSs on VRLA battery Tomonobu Tsujikawa, Kahou Yabuta (NTT-F) EE2012-5 |
[more] | EE2012-5 pp.1-4 |
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| EE | 2012-01-25 13:00 |
Nagasaki | Management System for Large-capacity Stationary Lithium-ion Batteries Riichi Kitano, Kahou Yabuta, Takashi Matsushita, Tomonobu Tsujikawa (NTT-F), Takefumi Isobe (NTT-F RESEARCH INSTITUTE), Takashi Kofuse (Shin-Kobe Electric Machinery) EE2011-36 |
We developed a management system (BMS) for large-capacity stationary Lithium-ion batteries. BMS keeps the batteries safe... [more] | EE2011-36 pp.31-36 |
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| EE | 2012-01-25 13:25 |
Nagasaki | Safety evaluation of a Li-ion battery for the backup power supplies used for telecommunications Kahou Yabuta, Riichi Kitano, Takashi Matsushita, Tomonobu Tsujikawa (NTT Facilities, inc), Masayasu Arakawa (NTT Facilities Research Institute Inc), Koji Hayashi (Shin-Kobe Electric Machinery Co., Ltd) EE2011-37 |
We have developed a Li-ion battery for the backup power supplies used for telecommunications. We used a phosphazene flam... [more] | EE2011-37 pp.37-40 |
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| EE, IEE-SPC | 2011-07-29 13:20 |
Hokkaido | Development of Large Capacity Stationary Lithium-ion Battery System for ICT backup system Takashi Matsushita, Tomonobu Tsujikawa, Kahou Yabuta (NTT-F), Masayasu Arakawa (NTT-F Research Institute Inc.), Koji Hayashi (Shin-Kobe Electric Machinery Co., Ltd.) EE2011-14 |
We have successfully developed large capacity stationary lithium-ion batteries for a back up power supply of telecommuni... [more] | EE2011-14 pp.91-95 |
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| EE, IEE-SPC | 2010-07-29 13:50 |
Kochi | Kochi National College of Technology | Development of Li-ion batteries for telecommunication applications Tomonobu Tsujikawa, Kahou Yabuta, Takashi Matsushita (NTT-F), Masayasu Arakawa (NTT Facilities Research Institute INC.,), Koji Hayashi (Shin-Kobe Electric Machinery Co. Ltd.,) EE2010-7 |
[more] | EE2010-7 pp.13-16 |
| CPM, EE | 2010-02-01 10:10 |
Kyoto | Fabrication of Cathode Active Material/Nanocarbon Composites and Their Effect on Lithium Cell Performance Yusuke Uno, Toshihiro Yoshida, Koji Tachimori (Toyama Pref. Univ.), Tomonobu Tsujikawa (NTT Facilities), Toshiro Hirai (Toyama Pref. Univ.) EE2009-57 CPM2009-149 |
We fabricated LiCoO2/helical nanocarbon (HCNs) composites by forming HCNs on LiCoO2 coated with acetylene black (AB) (Li... [more] | EE2009-57 CPM2009-149 pp.11-15 |
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| EE | 2009-02-12 09:00 |
Overseas | Industrial Technology Research Institute | Effect of Cathode Active Materials Fabricated by a Wet-Type Jet Mill on Lithium Cell Performance Toshiro Hirai (Toyama Pref. Univ.), Tomonobu Tsujikawa (NTT Facilities) EE2008-62 |
[more] | EE2008-62 pp.1-3 |
| EE, CPM | 2009-01-23 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Fabrication of LiCoO2/Helical Nanocarbon Composite Materials for Lithium-ion Cells by CVD Yusuke Uno (Toyama Pref. Univ.), Tomonobu Tsujikawa (NTT Facilities), Toshiro Hirai (Toyama Pref. Univ.) EE2008-58 CPM2008-137 |
Helical carbon nanomaterials (HCNs) were formed on surface of LiCoO2 particles by chemical vapor deposition (CVD). The a... [more] | EE2008-58 CPM2008-137 pp.25-28 |
| EE | 2008-07-25 09:25 |
Hokkaido | Restraint of Manganese Elution from Cathode Active Material for Lithium-ion Battery Tomonobu Tsujikawa, Kahou Yabuta, Takashi Matsushita, Toshio Matsushima (NTT-F), Masayasu Arakawa (NTT Facilities Research Inst. Inc.), Koji Hayashi (Shin-Kobe Electric Machinery Co., Ltd.) EE2008-22 |
It is widely known that Mn-ion elution from cathodes to electrolyte is one of the cause of the degradation in lithium io... [more] | EE2008-22 pp.61-64 |
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| EE, CPM | 2008-02-22 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Performance of Lithium Cell with LiCoO2 Obtained by a Wet-type Jet Mill Jun-ichi Takahata (Toyama Pref. Univ.), Tomonobu Tsujikawa (NTT-F), Toshiro Hirai (Toyama Pref. Univ.) EE2007-72 CPM2007-157 |
LiCoO2 was dispersed into toruene or 2 wt% NaPO3 aqueous solutions and milled with the slurries by a high-pressure wet-t... [more] | EE2007-72 CPM2007-157 pp.49-52 |
| EE | 2008-01-22 09:20 |
Fukuoka | Construction of three-dimensional simulation model of lithium-ion secondary battery Takashi Matsushita, Tomonobu Tsujikawa, Toshio Matsushima (NTT-F), Kenji Kurita (shinkobe-denki), Masayasu Arakawa (NTT-Fsoken) EE2007-52 |
We have been researching the Large-capasity Lithium Ion Battery as a backup power supply for the telecommunication of th... [more] | EE2007-52 pp.47-52 |
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| EE | 2007-07-20 09:00 |
Yamaguchi | The effect of non-flammable additive for Lithium Ion Battery Koji Hayashi, Masayuki Terada (Shin-Kobe Electric Machinery), Tomonobu Tsujikawa (NTT-F), Masahiro Ichimura (NTT-FRI) EE2007-15 |
It is important to improve the flame resisting of the electrolyte in securing the safety of Lithium ion batteries. We ... [more] |
EE2007-15 pp.45-48 |
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| EE | 2007-07-20 09:30 |
Yamaguchi | Characteristics of Lithium-ion Battery with Non-flammable Electrolyte Tomonobu Tsujikawa, Toshio Matsushima, Masahiro Ichimura (NTT-F), Koji Hayashi (Shin-Kobe Electric Machinery) EE2007-16 |
The incombustibility of electrolyte for lithium-ion cells was analyzed using conventional EC/DMC electrolyte and several... [more] | EE2007-16 pp.49-54 |
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| EE | 2007-07-20 10:00 |
Yamaguchi | The construction of Lithium Ion Battery thermal model Takashi Matsushita, Kahou Yabuta, Tomonobu Tsujikawa (NTT-F), Koji Hayashi (Shin-Kobe Electric Machinery), Masahiro Ichimura (NTT-F) EE2007-17 |
We have developed the Large-capasity Lithium Ion Battery as a backup power supply for the telecommunication of the next ... [more] | EE2007-17 pp.55-60 |
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| EE | 2007-01-26 09:00 |
Nagasaki | Nagasaki prefectural art museum | Establishment of the system to estimate VRLA batteries residual capacity Takashi Matsushita, Kahou Yabuta, Tomonobu Tsujikawa (ＮＴＴ－Ｆ) EE2006-44 |
VRLA batteries are widely used for stand-by power systems in telecommunications networks.It is necessary to periodically... [more] | EE2006-44 pp.43-46 |
| EE | 2007-01-26 09:25 |
Nagasaki | Nagasaki prefectural art museum | Investigation of the life test of VRLA batteries for cycle use Kahou Yabuta, Takashi Matsushita, Tomonobu Tsujikawa (NTT-F) EE2006-45 |
NTT Facilities applies VRLA batteries for cycle use to the electric-energy storage system. Reliability of the system de... [more] | EE2006-45 pp.47-51 |
| EE | 2006-02-16 15:35 |
Kumamoto | Development of VRLA battery for engine starters and its deterioration detection unit Takashi Matsushita, Kahou Yabuta, Tomonobu Tsujikawa (NTT-F) |
[more] | EE2005-65 pp.27-31 |
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| EE | 2006-02-16 16:00 |
Kumamoto | Development of small cycle use VRLA batteries and UPS with electric-energy storage function Kahou Yabuta, Takashi Matsushita, Tomonobu Tsujikawa (NTT Facilities, Inc.) |
[more] | EE2005-66 pp.33-37 |
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