TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The electrolyte support body (1) is of cuboid shape, cylindrical shape, or rectangle shape. The shapes of the sections of the anode (2) and the cathode (3) are square, round, or circular ring. The electrolyte support body (1) is made of alkaline-earth oxide doped zirconium oxide with doped amount of 1-30 mol.%, rare earth oxide doped zirconium oxide with doped amount of 1-20 mol.%, alkaline-earth oxide doped cerium oxide with doped amount of 1-50 mol.%, or rare earth oxide doped cerium oxide with doped amount of 1-50 mol.%. The alkali earth oxide in the alkaline-earth oxide doped zirconium oxide or the alkaline-earth oxide doped cerium oxide is one of magnesium oxide, calcium oxide, strontium oxide, and barium oxide. The rare earth oxide in the rare earth oxide doped zirconium oxide or the rare earth oxide doped cerium oxide is one of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, holmium oxide, erbium oxide, dysprosium oxide, thulium oxide, ytterbium oxide, and scandium oxide. The slurry of the anode (2) comprises 3-7 pts.wt. of anode raw material and 7-3 pts.wt. of bonding agent. The anode raw material is one of nickel protoxide, copper oxide, cobalt oxide, and ferrous oxide; and the bonding agent is prepared by 7-9.5 pts.wt. of terpilenol and 3-0.5 pts.wt. of ethyl cellulose. The slurry of the cathode (3) comprises 4-6 pts.wt. of cathode raw material and 6-4 pts.wt. of bonding agent. The cathode raw material is the compound oxide with formula of ABO3 or A2BO4; and the bonding agent is prepared by 7-9.5 pts.wt. of terpilenol and 3-0.5 pts.wt. of ethyl cellulose.A=lanthanum-series rare earth element or alkali earth element; where the lanthanum-series rare earth is yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, holmium, erbium, thulium, or ytterbium; and the alkali earth is calcium, strontium, or barium; andB=transition metal element comprising magnesium, iron, cobalt, nickel, copper, titanium, vanadium, or zinc.