WO9737394-A1  DATABASE INSPEC INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB Inspec No. 4742858, GUMMOW R J ET AL: "Improved capacity retention in rechargeable 4 V lithium/lithium-manganese oxide (spinel) cells" XP002030874 cited in the application & SOLID STATE IONICS, DIFFUSION & REACTIONS, APRIL 1994, NETHERLANDS, vol. 69, no. 1, ISSN 0167-2738, pages 59-67,;  PATENT ABSTRACTS OF JAPAN vol. 018, no. 290 (E-1557), 2 June 1994 & JP 06 060879 A (NIPPONDENSO CO LTD), 4 March 1994,;  PATENT ABSTRACTS OF JAPAN vol. 013, no. 044 (E-710), 31 January 1989 & JP 63 239781 A (NIPPON TELEGR & TELEPH CORP), 5 October 1988,;  See also references of EP 0925612A1;  See also references of EP 0925612A;  PATENT ABSTRACTS OF JAPAN vol. 018, no. 290 (E-1557), 2 June 1994&JP 06 060879 A (NIPPONDENSO CO LTD), 4 March 1994,;  PATENT ABSTRACTS OF JAPAN vol. 013, no. 044 (E-710), 31 January 1989&JP 63 239781 A (NIPPON TELEGR&TELEPH CORP), 5 October 1988,;  DATABASE INSPEC INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB Inspec No. 4742858, GUMMOW R J ET AL: "Improved capacity retention in rechargeable 4 V lithium/lithium-manganese oxide (spinel) cells" XP002030874 cited in the application&SOLID STATE IONICS, DIFFUSION&REACTIONS, APRIL 1994, NETHERLANDS, vol. 69, no. 1, ISSN 0167-2738, pages 59-67,EP925612-A1  CHEMISTRY OF MATERIALS 1997, vol. 9, no. 6, pages 1443-1450: G. PISTOIA et al.: "Doped Li-Mn Spinels: Physical/Chemical Characteristics and Electrochemical Performance in Li Batteries";  J. ELECTROCHEM. SOC. vol. 136, no. 8, (1989), pages 2133-2136: N. MACHIDA et al. "Behavior of Rapidly Quenched V2O5 Glass at Cathode in Lithium Cells";  J. POWER SOURCES 63 (1996), pp 97-102: YONGYAO XIA, MASAKI YOSHIO: "Studies on the Li-Mn-O spinel system (obtained from melt-impregnation method) as positive electrodes for 4 V Li batteries";  SOLID STATE IONICS 58 (1992) pages 285-292: G. PISTOIA , G. WANG and C.WANG: "Li+ insertion into Mn spinel phases";  See also references of WO 9737394A;  V. MANEV ET AL: "Rechargeable lithium battery with spinel-related lambda-MnO2", J. POWER SOURCES vol. 43-44, (1993), pages 551 to 559.;  V. MANEV and A. MOMCHILOV: "Synthesis of LiMn2O4 for rechargeable lithium-ion battery", PROGRESS IN BATTERIES & BATTERY MATERIALS, vol. 14 (1995), pages 101 to 124.;  V. MANEV and A. MOMCHILOV: "Synthesis of LiMn2O4 for rechargeable lithium-ion battery", PROGRESS IN BATTERIES&BATTERY MATERIALS, vol. 14 (1995), pages 101 to 124.;  See also references of WO 9737394A1EP925612-B1  CHEMISTRY OF MATERIALS 1997, vol. 9, no. 6, pages 1443-1450: G. PISTOIA et al.: "Doped Li-Mn Spinels: Physical/Chemical Characteristics and Electrochemical Performance in Li Batteries";  DATABASE INSPEC INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB Inspec No. 4742858, GUMMOW R J ET AL: "Improved capacity retention in rechargeable 4 V lithium/lithium-manganese oxide (spinel) cells" XP002030874 cited in the application & SOLID STATE IONICS, DIFFUSION & REACTIONS, APRIL 1994, NETHERLANDS, vol. 69, no. 1, ISSN 0167-2738, pages 59-67,;  J. ELECTROCHEM. SOC. vol. 136, no. 8, (1989), pages 2133-2136: N. MACHIDA et al. "Behavior of Rapidly Quenched V2O5 Glass at Cathode in Lithium Cells";  J. POWER SOURCES 63 (1996), pp 97-102: YONGYAO XIA, MASAKI YOSHIO: "Studies on the Li-Mn-O spinel system (obtained from melt-impregnation method) as positive electrodes for 4 V Li batteries";  PATENT ABSTRACTS OF JAPAN vol. 013, no. 044 (E-710), 31 January 1989 & JP 63 239781 A (NIPPON TELEGR & TELEPH CORP), 5 October 1988,;  PATENT ABSTRACTS OF JAPAN vol. 018, no. 290 (E-1557), 2 June 1994 & JP 06 060879 A (NIPPONDENSO CO LTD), 4 March 1994,;  SOLID STATE IONICS 58 (1992) pages 285-292: G. PISTOIA , G. WANG and C.WANG: "Li+ insertion into Mn spinel phases";  V. MANEV ET AL: "Rechargeable lithium battery with spinel-related lambda-MnO2", J. POWER SOURCES vol. 43-44, (1993), pages 551 to 559.;  V. MANEV and A. MOMCHILOV: "Synthesis of LiMn2O4 for rechargeable lithium-ion battery", PROGRESS IN BATTERIES & BATTERY MATERIALS, vol. 14 (1995), pages 101 to 124.US6274278-B1  Database Inspec. Institute of Electrical Engineers, Stevenage, GB, Inspec. No. 4742858, Gummow, R.J., et al.: "Improved Capacity Retention in Rechargeable 4V Lithium/Lithium-Manganese Oxide (Spinel) Cells" XP002030874 & Solid State Ionics, Diffusion & Reactions, 4/94, Netherlands, vol. 69, No. 1, ISSN 0167-2738, pp. 59-67.;  Patent Abstracts of Japan, vol. 013, No. 044 (E-710), Jan. 31, 1989 & JP 63 239781 A (Nippon Telgr. & Teleph. Corp.), May 10, 1988.;  Patent Abstracts of Japan, vol. 018, No. 290 (E-1557), Jun. 2, 1994 & JP 06 060879 A (Nippondenso Co., Ltd.), Apr. 3, 1994.