WO2005085138-A1  THANGADURAI V ET AL: "Investigations on electrical conductivity and chemical compatibility between fast lithium ion conducting garnet-like Li6BaLa2Ta2O12 and lithium battery cathodes" JOURNAL OF POWER SOURCES, ELSEVIER SEQUOIA S.A. LAUSANNE, CH, Bd. 142, Nr. 1-2, 24. M{rz 2005 (2005-03-24), Seiten 339-344, XP004812990 ISSN: 0378-7753;  THANGADURAI V ET AL: "Investigations on electrical conductivity and chemical compatibility between fast lithium ion conducting garnet-like Li6BaLa2Ta2O12 and lithium battery cathodes" JOURNAL OF POWER SOURCES, ELSEVIER SEQUOIA S.A. LAUSANNE, CH, Bd. 142, Nr. 1-2, 24. Maerz 2005 (2005-03-24), Seiten 339-344, XP004812990 ISSN: 0378-7753;  MAZZA, D.: "Remarks on a ternary phase in the lanthanum sesquioxide-metal oxide (M2O5)-lithium oxide system (M = Nb, Ta)" MATERIALS LETTERS , 7(5-6), 205-7 CODEN: MLETDJ; ISSN: 0167-577X, 1988, XP002329149;  THANGADURAI, VENKATARAMAN ET AL: "Novel fast lithium ion conduction in garnet-type Li5La3M2O12 (M = Nb, Ta)" JOURNAL OF THE AMERICAN CERAMIC SOCIETY , 86(3), 437-440 CODEN: JACTAW; ISSN: 0002-7820, 2003, XP002329148;  THANGADURAI, VENKATARAMAN ET AL: "Crystal Structure Revision and Identification of Li+-Ion Migration Pathways in the Garnet-like Li5La3M2O12 (M = Nb, Ta) Oxides" CHEMISTRY OF MATERIALS , 16(16), 2998-3006 CODEN: CMATEX; ISSN: 0897-4756, 2004, XP002329147DE102004010892-B3  Thangadurai, V. et al.: "Novel Fast Lithiumion Conduction in Garnet-Type Li5La3M2O12 (M=Nb, Ta)" in J. Am. Ceram. Soc. 86[3] 437-40 (2003)US7901658-B2  Thangadurai et al., "Novel Fast Lithium Ion Conduction in Garnet-Type Li5La3M2O12 (M=Nb,Ta)", J. Am. Ceram. Soc., 86[3] pp. 437-440 (2003).;  Thangadurai et al., "Crystal Structure Revisions and Identification of Li+-Ion Migration Pathways in the Garnet-like Li5La3M2012 (M = Nb, Ta) Oxides", Chemistry of Materials, 16(16), 2998-3006, 2004.;  Mazza, D., "Remarks on a ternary phase in the lanthanum sesquioxide-methal oxide (M205)-lithium oxide system (M=Nb,Ta)", Materials Letters, 7(5-6), 1998.;  Thangadurai et al., "Investigations on electrical conductivity and chemical compatibility between fast lithium ion conducting garnet-like Li6BaLa2Ta2012 and lithium battery cathodes", Journal of Power Sources, vol. 142, No. 1-2, Mar. 24, 2005, pp. 339-344.US8092941-B2  D. Mazza, "Remarks on a Ternary Phase in the La2O3-Me2O5-Li2O System (Me=Nb,Ta)", Materials Letters, vol. 7, No. 5.6, Nov. 1998, pp. 205-207.;  Thangadurai et al., "Crystal Structure Revision and Identification of Li+-Ion Migration Pathways in the Garnet-like Li5La3M2O12 (M=Nb, Ta) Oxides", Chem. Mater., 2004, 16, pp. 2998-3006.;  Thangadurai et al., "Investigations on electrical conductivity and chemical compatibility between fast lithium ion conducting garnet-like Li6BaLa2Ta2O12 and lithium battery cathodes", Journal of Power Sources, vol. 142, No. 1-2, Mar. 24, 2005, pp. 339-344.;  Thangadurai et al., "Novel Fast Lithium Ion Conduction in Garnet-Type Li5La3M2O12 (M=Nb,Ta)", J. Am. Ceram. Soc., 86[3] pp. 437-440 (2003).CN101014540-B  V. Thangadurai.Novel fast lithium ion conduction in Garnet-typeLi5La3M2O12(M=Nb, Ta).J. Am. Ceram. Soc.Vol.86 No.3.2003,Vol.86(No.3),437-440.;  D. Mazza.Remarks on a ternary phase in the La2O3-Me2O5-Li2Osystem (Me=Nb, Ta).Materials LettersVol.7 No.5-6.1988,Vol.7(No.5-6),205-207.;  V. Thangadurai.Novel fast lithium ion conduction in Garnet-typeLi5La3M2O12 (M=Nb, Ta).J. Am. Ceram. Soc.Vol.86 No.3.2003,Vol.86(No.3),437-440.EP1723080-B1  THANGADURAI, VENKATARAMAN ET AL: "Crystal Structure Revision and Identification of Li+-Ion Migration Pathways in the Garnet-like Li5La3M2O12 (M = Nb, Ta) Oxides" CHEMISTRY OF MATERIALS , 16(16), 2998-3006 CODEN: CMATEX; ISSN: 0897-4756, 2004, XP002329147;  THANGADURAI, VENKATARAMAN ET AL: "Novel fast lithium ion conduction in garnet-type Li5La3M2O12 (M = Nb, Ta)" JOURNAL OF THE AMERICAN CERAMIC SOCIETY , 86(3), 437-440 CODEN: JACTAW; ISSN: 0002-7820, 2003, XP002329148;  MAZZA, D.: "Remarks on a ternary phase in the lanthanum sesquioxide-metal oxide (M2O5)-lithium oxide system (M = Nb, Ta)" MATERIALS LETTERS , 7(5-6), 205-7 CODEN: MLETDJ; ISSN: 0167-577X, 1988, XP002329149;  THANGADURAI V ET AL: "Investigations on electrical conductivity and chemical compatibility between fast lithium ion conducting garnet-like Li6BaLa2Ta2O12 and lithium battery cathodes" JOURNAL OF POWER SOURCES, ELSEVIER SEQUOIA S.A. LAUSANNE, CH, Bd. 142, Nr. 1-2, 24. Maerz 2005 (2005-03-24), Seiten 339-344, XP004812990 ISSN: 0378-7753