[1] Kravchenko O V, Semenenko K N, Bulychev B M and Kalmykov K
B 2005 J. Alloys Compd. 397 58

[2] Soler L, Macan\'as J, Mu\~{noz M and Casado J 2007
J. Power Sources 169 144

[3] Belitskus D 1970 J. Electrochem. Soc. 117 1097

[4] Streletskii A N, Kolbanev I V, Borunova A B and Butyagin P
Y 2004 J. Mater. Sci. 39 5175

[5] Streletskii A N, Kolbanev I V, Borunova A B and Butyagin P
Y 2005 Colloid J. 67 631

[6] Shchurin V N, Baev A K, Tishevich V I and Khim Z P 2000
J. Appl. Chem. 73 184

[7] Kuech T F, Veuhoff E and Meyerson B S 1984 J. Cryst.
Growth 68 48

[8] Shealy J R and Woodall J M 1982 Appl. Phys. Lett.
41 88

[9] Choudhary V R and Chaudhari S K 1983 J. Chem. Tech.
Biotech. 33A 339

[10] Hu H R, Qiao M H, Pei Y, Fan K N, Li H X, Zong B N and
Zhang X X 2003 Appl. Catal. A: General 252 173

[11] Wang F Y, Dai L Z, Lu D X and Peng S Y 2000 Chin. J.
Fuel Chem. Technol. 28 1

[12] Xue B F, Fu Z W, Li H, Liu X Z, Cheng S C, Yao J, Li D M,
Chen L Q and Meng Q B 2006 J. Am. Chem. Soc. 128 8720

[13] Meng Q B et al 2007 Chinese Patent 200710179293.4