水素吸蔵合金の水素吸蔵放出過程の...

2013B E19

H25.8

in-situ

In-situ X-ray diffraction on the hydrogenation/dehydrogenation process of hydrogen storage alloys

1) 1) 1) 2) 2)

Tatsuo NORITAKE Masakazu AOKI Shin-ichi TOWATA Akihiko MACHIDA Tetsu WATANUKI

1) () 2)

TiMn in-situ

Ti0.8Zr0.2Mn1.5

[1,2]

in-situ

TiMn[3]

TiMn1.5 Ti ZrMn Cr

[] Ar12004 2

Ti0.8Zr0.2Mn1.5Ti0.8Zr0.2Mn1.3Cr0.2

[] SPring-8 BL22XU in-situ25

=0.35334 (E=35.087 keV) Al

1sec

10sec

(1)

[Ti0.8Zr0.2Mn1.5]77[Ti0.8Zr0.2Mn1.3Cr0.2]13030

Ti0.8Zr0.2Mn1.3Cr0.2

(2) C14

1

2,3H/M

()

[1] M.Aoki et al., Int. J. Hydrogen Energy 36 (2011) 12329.

[2] S.Towata et al., Int. J. Hydrogen Energy 38 (2013) 3024.

[3] T. Gamo et al., Int. J. Hydrogen Energy 10 (1985) 39.

JAEASPring-8(BL22XU)

2013B E19

H25.8

(Ti0.8Zr0.2Mn1.5H0.20)

(Ti0.8Zr0.2Mn1.5H2.23)

12x103

10

8

6

4

2

0

Intensity (a.u.)

18161412108642 (deg.)

0.019MPa

0.038MPa

0.069MPa **

0.094MPa **

0.149MPa **

0.313MPa

0.122MPa

0.076MPa **

0.054MPa **

0.041MPa **

0.015MPa

Al Al Al Al Al

110110

(Ti0.8Zr0.2Mn1.3Cr0.2H0.30)

(Ti0.8Zr0.2Mn1.3Cr0.2H2.16)

3. Ti0.8Zr0.2Mn1.3Cr0.2 2. Ti0.8Zr0.2Mn1.5

1. Ti0.8Zr0.2Mn1.5

**2