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Journal Articles

Surface modifications of hydrogen storage alloy by heavy ion beams with keV to MeV irradiation energies

Abe, Hiroshi; Tokuhira, Shinnosuke*; Uchida, Hirohisa*; Oshima, Takeshi

Nuclear Instruments and Methods in Physics Research B, 365(Part A), p.214 - 217, 2015/12

no abstracts in English

Journal Articles

Surface modification effects on hydrogen absorption property of a hydrogen storage alloy by short pulse laser irradiation

Abe, Hiroshi; Shimomura, Takuya; Tokuhira, Shinnosuke*; Shimada, Yukihiro*; Takenaka, Yusuke*; Furuyama, Yuta*; Nishimura, Akihiko; Uchida, Hirohisa*; Daido, Hiroyuki; Oshima, Takeshi

Proceedings of 7th International Congress on Laser Advanced Materials Processing (LAMP 2015) (Internet), 4 Pages, 2015/08

A short pulse laser (the nanosecond and femtosecond) was applied to hydrogen absorbing alloys surface layer, and a surface modification experiment was put into effective to aim at improvement of hydrogen adsorption functionally. It was investigated about correlation between an initial hydrogen absorption reaction rate of hydrogen alloys and a laser irradiation in this research. The laser irradiation condition was done with pulse width 100 fsec and energy 0.2 - 3.4 mJ/pulse. It blazed down on hydrogen absorbing alloys (LaNi$$_{4.6}$$Al$$_{0.4}$$) and changed local order in the surface. As a result, the initial hydrogen absorption reaction rate was 1.5 - 3.0 times as fast as a irradiated sample, and the result and laser irradiated sample found out that a hydrogen absorption function improves. A laser irradiation can conclude to be effective in surface modification of the hydrogen storage materials.

Oral presentation

Effect of electron irradiation on the property of electrochemical hydrogen absorption of a LaNiAl based alloy

Tokuhira, Shinnosuke*; Moriyama, Kazuhiro*; Abe, Hiroshi; Uchida, Hirohisa*

no journal, , 

no abstracts in English

Oral presentation

Surface modification of hydrogen storage alloy using multiplex energy proton beam irradiation

Abe, Hiroshi; Moriyama, Kazuhiro*; Tokuhira, Shinnosuke*; Uchida, Hirohisa*; Oshima, Takeshi

no journal, , 

no abstracts in English

Oral presentation

Effects of electron beam irradiation and alkaline pretreatments on the initial rate of hydrogen absorption by a hydrogen storage alloy

Tokuhira, Shinnosuke*; Ohata, Yuki*; Abe, Hiroshi; Hiraki, Takeshi*; Uchida, Hirohisa*

no journal, , 

no abstracts in English

Oral presentation

Irradiation treatment effects on hydrogen storage alloy

Tokuhira, Shinnosuke*; Onuki, Shun*; Uchida, Hirohisa*; Matsumura, Yoshihito*; Abe, Hiroshi

no journal, , 

no abstracts in English

Oral presentation

Effects of electron beam irradiation on the initial rate of hydrogen absorption of a hydrogen storage alloy

Tokuhira, Shinnosuke*; Uchida, Hirohisa*; Abe, Hiroshi

no journal, , 

no abstracts in English

Oral presentation

Effects of electron irradiation and alkaline pretreatments on the initial hydrogen absorption rate by LaNi$$_{4.6}$$Al$$_{0.4}$$

Ono, Taiga*; Tokuhira, Shinnosuke*; Abe, Hiroshi; Hiraki, Takeshi*; Uchida, Hirohisa*

no journal, , 

no abstracts in English

Oral presentation

Change in the hydrogen absorption property by surface modification of a hydrogen storage alloy using a short pulse laser

Abe, Hiroshi; Tokuhira, Shinnosuke*; Shimomura, Takuya; Shimada, Yukihiro*; Takenaka, Yusuke*; Furuyama, Yuta*; Nishimura, Akihiko; Daido, Hiroyuki; Uchida, Hirohisa*; Oshima, Takeshi

no journal, , 

no abstracts in English

Oral presentation

X-ray characterization of short pulse laser illuminated hydrogen storage alloys having very high performance

Daido, Hiroyuki; Abe, Hiroshi; Shobu, Takahisa; Shimomura, Takuya; Tokuhira, Shinnosuke*; Takenaka, Yusuke*; Furuyama, Takehiro*; Nishimura, Akihiko; Uchida, Hirohisa*; Oshima, Takeshi

no journal, , 

no abstracts in English

Oral presentation

Effects of surface modification on hydriding property of hydrogen storage alloy by short pulse laser irradiation

Abe, Hiroshi; Shimomura, Takuya; Shobu, Takahisa; Tokuhira, Shinnosuke*; Miyashita, Atsumi; Nishimura, Akihiko; Daido, Hiroyuki; Uchida, Hirohisa*

no journal, , 

no abstracts in English

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