The Influence of Chemical Modification by Silver on Hydrogen Storage Properties of Nanocrystalline Ti_2Ni Alloy

• Authors: M. Balcerzak , M. Jurczyk
• Languages of publication: EN

Abstracts

EN

In this study mechanical alloying process with subsequent annealing at 750°C for 0.5 h were used to produce Ti_2Ni-based nanocrystalline alloys and composite. To improve electrochemical properties, Ti-Ni-based alloy was chemically modified by 5 wt% of silver powder. X-ray diffraction analyses showed formation of nanocrystalline Ti_2Ni main phase. Electrochemical studies revealed a positive effect of chemical modification by silver on Ti_2Ni alloy. All synthesized materials were used as negative electrodes for Ni-MH_x batteries. The highest discharge capacity equaled 303 mAh/g, at 40 mA/g discharge current. All electrochemical measurements were done in 6 M KOH solution.

Keywords

EN

82.47.Cb; 88.30.rd

Discipline

• 82.47.Cb: Lead-acid, nickel-metal hydride and other batteries(for lithium-ion batteries, see 82.47.Aa)
• 88.30.rd: Inorganic metal hydrides

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 4
• Pages: 892-894

Dates

published

2014-10

Contributors

author

M. Balcerzak

• Institute of Materials Science and Engineering, Poznań University of Technology, pl. M. Skłodowskiej-Curie 5, 60-965 Poznań, Poland

author

M. Jurczyk

• Institute of Materials Science and Engineering, Poznań University of Technology, pl. M. Skłodowskiej-Curie 5, 60-965 Poznań, Poland

References

• [1] H. Buchner, M.A. Gutjahr, K.D. Beccu, H. Saufferer, Z. Metalkd. 63, 497 (1972)
• [2] B. Luan, H.J. Zhao, H.K. Liu, S.X. Dou, J. Power Sources 62, 75 (1996), doi: 10.1016/S0378-7753(96)02408-1
• [3] B. Luan, H.K. Liu, S.X. Dou, J. Mater. Sci. 32, 2629 (1997), doi: 10.1023/A:1018614820507
• [4] B. Luan, S.J. Kennedy, H.K. Liu, S.X. Dou, J. Alloys Comp. 267, 224 (1998), doi: 10.1016/S0925-8388(97)00461-1
• [5] R.A. Varin, T. Czujko, Z.S. Wronski, Nanomaterials for Solid State Hydrogen Storage, Springer, New York 2009, doi: 10.1007/978-0-387-77712-2
• [6] M. Balcerzak, M. Jurczyk, Inżynieria materiałowa 5, 370 (2012) (in Polish)
• [7] B. Luan, N. Cui, H.K. Liu, H.J. Zhao, S.X. Dou, J. Power Sources 55, 197 (1995), doi: 10.1016/S0925-8388(97)00461-1
• [8] B. Luan, N. Cui, H.K. Liu, H.J. Zhao, S.X. Dou, Int. J. Hydrogen Energ. 21, 373 (1996), doi: 10.1016/0360-3199(95)00089-5
• [9] H.T. Takeshita, N. Kuriyama, T. Sakai, I. Uehara, M. Haruta, H. Tanaka, J. Alloys Comp. 311, 188 (2000), doi: 10.1016/S0925-8388(00)01118-X
• [10] H.T. Takeshita, H. Tanaka, T. Kiyobayashi, N. Takeichi, N. Kuriyama, J. Alloys Comp. 330, 517 (2002), doi: 10.1016/S0925-8388(01)01458-X
• [11] B. Huang, P. Shi, C. Lu, Z. Liang, M. Chen, Rare Metal Mater. Eng. 34, 557 (2005)
• [12] R.J. Shih, Y.O. Su, T.P. Perng, J. Alloys Comp. 353, 283 (2003), doi: 10.1016/S0925-8388(02)01294-X
• [13] M. Balcerzak, M. Nowak, J. Jakubowicz, M. Jurczyk, Renew. Energ. 62, 432 (2014), doi: 10.1016/j.renene.2013.07.031

Identifiers

DOI

10.12693/APhysPolA.126.892