FR2794750-A1  PATENT ABSTRACTS OF JAPAN vol. 013, no. 158 (C-586), 17 avril 1989 (1989-04-17) &amp; JP 63 314269 A (MITSUBISHI KASEI CORP), 22 d cembre 1988 (1988-12-22);  PATENT ABSTRACTS OF JAPAN vol. 013, no. 158 (C-586), 17 avril 1989 (1989-04-17) &amp; JP 63 314269 A (MITSUBISHI KASEI CORP), 22 dcembre 1988 (1988-12-22);  QUARTARONE, ELIANA ET AL: &quot;Sol-gel synthesis, thermal characterization and conductivity of new glass-polymer solid electrolytes&quot; J. THERM. ANAL., vol. 47, no. 1, 1996, pages 235-245, XP001014533;  MEHTA, MARY ANNE ET AL: &quot;The use of boroxine rings for the development of high performance polymer electrolytes&quot; ELECTROCHIM. ACTA, vol. 45, no. 8-9, 2000, pages 1175-1180, XP001014522US6566014-B1  Abel et al., "The Trialkylsilyl Esters of Boron," pp. 690-693 (1959) no month.;  Benrabah et al, "Perfluorosulfonate-Polyether Based Single Ion Conductors," Electrochimica Acta, vol. 40, pp. 2259-2264, (1995) no month.;  Finch et al, "Boron Ring Compounds. A New Series," vol. 26, pp. 3250-3253 (Sep. 1961).;  Lappert, "Cyclic Organic Boron Compounds. Part II.1 Chemicals Properties of n-Butyl Metaborate," pp. 3256-3259 (1958) no month.;  Mehta et al, "Chemistry Letters," vol. 9, Jul. 31, 1997, pp. 915-916, XP002085988, Japan.;  Mehta et al. ("The use of boroxine rings for the development of high perforance polymer electrolytes", Electrochimica Acta 45 (2000) pp. 1175-1180).*;  O'Connor et al, "The Boric Acid Dehydration of Alcohols," vol. 77, pp. 1578-1581, Mar. 20, 1955.;  Patent Abstracts of Japan, vol. 013, No. 158 (C-586), Apr. 17, 1989; JP 63 314269A.;  Quartarone et al, "Sol-Gel Synthesis, Thermal Characterization and Conductivity of New Glass-Polymer Solid Electrolytes," Journal of Thermal Analysis, vol. 47 (1996) pp. 235-245 no month.;  Search Report issued Apr. 7, 2001 in corresponding French Application No. 00 07 427.;  Venkatasubramanian et al, "Synthesis and Characterization of Spinnable Sol-Gel Derived Polyborates," Polym. Mater. Sci. & Eng., vol 62 (1990) pp. 614-619; no month.;  Venkatasubramanian et al, "Synthesis and characterization of spinnable sol-gel derived polyborates," Journal of Non-Crystalline Solids 130 (1991) pp. 144-156, North Holland, no month.;  Wade et al, "Boron Nitride Fibers From Polyborates," Poly. Prepr. (1991), 32(3), pp. 554-555 no month.;  Wade et al, "Synthesis of Fiber Forming Polyborates," Polym. Mat. Sci-Eng., vol 64 (1991), pp. 377-378 no month.;  Yang et al. ("Blended lithium ion conducting polymer electrolytes based on boroxine polymers", Solid State Ionics 140 (2001) 353-359). no month available.*;  Zhang et al, "A Novel Electrolyte Solvent for Rechargeable Lithium and Lithium-Ion Batteries", J. Electrochem. Soc., vol. 143, No. 12, Dec. 1996, pp. 4047-4053.