Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Kengo Haga"'
Autor:
Kazunari Sasaki, Tomoo Yoshizumi, Takami Hosoi, Yusuke Shiratori, Kengo Haga, Shunsuke Taniguchi, Hiroaki Yoshitomi
Publikováno v:
ECS Transactions. 57:315-323
Durability of SOFCs is one of the most important requirements for commercialization. In this paper, we analyze chemical degradation phenomena caused by both extrinsic and intrinsic origins besides by thermal/redox cycling. As external degradation, im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::148a93ee80f0ee1c4d58699212f87969
https://doi.org/10.1149/05701.0315ecst
https://doi.org/10.1149/05701.0315ecst
Autor:
Chie Uryu, Run-Ru Liu, Kazunari Sasaki, Katsumi Yokomoto, Kohei Ito, Yusuke Shiratori, Michihisa Koyama, Eiji Yuki, Tomoo Yoshizumi, Daisuke Minematsu, Teppei Ogura, Kengo Haga, Toshihiro Oshima
Publikováno v:
Journal of Power Sources. 196:9130-9140
Because of the fuel flexibility of Solid Oxide Fuel Cells (SOFCs), various types of fuels may be applied directly or via a simple reforming process, including hydrocarbons, alcohols, coal gas, biogas, besides hydrogen. However, various types of minor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7370c1052ab1c4c45e174a972eb26eb4
https://doi.org/10.1016/j.jpowsour.2010.09.122
https://doi.org/10.1016/j.jpowsour.2010.09.122
Publikováno v:
ECS Transactions. 25:2031-2038
This paper reports the chemical degradation of Ni-based SOFC anodes caused by small amounts of impurities supplied with fuels. In particular, the impurity dependence of degradation behaviors as well as poisoning mechanisms are highlighted and investi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5eda08f7d591792bc673cde971bf1eba
https://doi.org/10.1149/1.3205748
https://doi.org/10.1149/1.3205748
Autor:
Kazunari Sasaki, Kengo Haga
Publikováno v:
Journal of Japan Institute of Electronics Packaging. 12:505-510
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f7d714b3508983e5222c915f7868aef
https://doi.org/10.5104/jiep.12.505
https://doi.org/10.5104/jiep.12.505
Publikováno v:
Solid State Ionics. 179:1427-1431
Poisoning effects by various fuel impurities, including H 2 S, CH 3 SH, COS, Cl 2 , and siloxane, to Ni–ScSZ cermet anodes have been analyzed and compared. Degradation of cell performance caused by these impurities was characterized by measuring ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::414b24b9f3313292870971c4fecb70ff
https://doi.org/10.1016/j.ssi.2008.02.062
https://doi.org/10.1016/j.ssi.2008.02.062
Autor:
S. Adachi, Junya Yamamoto, M. Uchikawa, Yusuke Shiratori, Jyh Tyng Chou, Kengo Haga, A. Iyoshi, Kazunari Sasaki, Kohei M. Itoh
Publikováno v:
ECS Transactions. 7:1675-1683
While SOFCs are the most flexible fuel cells with respect to fuel selection, fuel impurities in practical SOFC fuels can cause degradation of electrodes and thus electrochemical performance. The understanding of fuel impurity poisoning and the increa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93e1d116948f81c09a1ea81a7ae341ec
https://doi.org/10.1149/1.2729277
https://doi.org/10.1149/1.2729277
Publikováno v:
MRS Proceedings. 1126
The defect structure, transport properties and band structure of the perovskite solid solution SrTi1-xFexO3-δ (STF) can be systematically controlled, over wide limits, by variation in the Fe fraction. In this paper, the authors review recent results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f56c7312a89313d51c970f032304064
https://doi.org/10.1557/proc-1126-s01-01
https://doi.org/10.1557/proc-1126-s01-01
Autor:
Kohei Ito, Kazunari Sasaki, Daisuke Minematsu, Toshihiro Oshima, Kengo Haga, Eiji Yuki, Chie Uryu, Run-Ru Liu, Shunsuke Taniguchi, Yusuke Shiratori, Tomoo Yoshizumi
Publikováno v:
ECS Meeting Abstracts. :892-892
Long-term durability is one of the most important technological issues for SOFC system development. Life time of SOFCs can be critically affected by foreign species, including impurities and minor constituents in fuels and oxidants, from the raw mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::463fa2a1533e4cf085eb5e245a65e272
https://doi.org/10.1149/ma2011-01/12/892
https://doi.org/10.1149/ma2011-01/12/892
Publikováno v:
Journal of The Electrochemical Society. 157:B1693
Chemical degradation of anodes in solid oxide fuel cells (SOFCs) induced by phosphorous impurities has been investigated by thermochemical calculations, electrochemical characterization, and microstructural analysis. Thermochemical calculations indic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e1ddce61ee30eebf57117760c897bc8
https://doi.org/10.1149/1.3489265
https://doi.org/10.1149/1.3489265
Publikováno v:
Journal of The Electrochemical Society. 155:B1233
Poisoning effects by chlorine compounds, including Cl 2 and HCl, to typical electrolyte-supported solid oxide fuel cells (SOFCs) with Ni-scandia-stabilized zirconia cermet anodes have been evaluated. The degradation rate of cell voltage poisoned by 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46a72353201f15796599d0a7195ec155
https://doi.org/10.1149/1.2980521
https://doi.org/10.1149/1.2980521