TECHNOLOGY FOCUS - POLYMERS - Preferred Process: The discotic liquid crystal compound is obtained by polymerization.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Compound: The metallic salt is alkali metal salt. EXAMPLE - 15 ml of dry N,N-dimethylformamide, 0.77 g of sodium hydride in 60% mineral oil were taken in a reactor and added with 0.92 g of 2,3,6,7,10,11-hexahydroxy citri phenylene and stirred. Subsequently, 6.4 g of 1,4,7-trioxaoctyl p-toluene sulfonic acid was added followed by 5 ml of N,N-dimethylformamide. The liquid mixture was stirred at 80degreesC for 5 hours, added with water and extracted with toluene twice after completion of reaction. The extract was washed with water, added with anhydrous sodium sulfate and dried. After removing solvent, purification was carried out in a silica gel column chromatography thrice and 0.95 g of 2,3,6,7,10,11-hexa(1,4,7-trioxaoctyl) triphenylene (A) was obtained. The compound (A) had melting point of 51.6degreesC and yield of 25%. 60 mg of compound (A) was added with 50 mg of water and stirred at 60degreesC to prepare lyotropic liquid crystal. The phase transition temperature of the lyotropic liquid crystal during heating process was as follows: crystalline phase = -15degreesC, unidentified phase = 2degreesC, discotic columnar phase = 26degreesC and then isotropic phase; and during cooling process was as follows: isotropic phase = 24degreesC, discotic columnar phase = 0degreesC, unidentified phase = at least50degreesC and then crystalline phase. 60 mg of compound (A) was added with 25 mg of lithium chlorate aqueous solution and stirred at 60degreesC to form liquid crystal electrolyte. The phase transition temperature of the liquid crystal electrolyte during heating process was as follows: crystalline phase = 4degreesC, discotic columnar phase = 22degreesC, and then isotropic phase; and during cooling process was as follows: isotropic phase = 18degreesC, discotic columnar phase = 0degreesC, and then crystalline phase. The liquid crystal electrolyte was used in a secondary battery and the ionic conductivity was found to be 3.6x10-9 S/cm at 10degreesC.