TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The metal is aluminum or gold, the metallic compound is manganese protoxide, zinc oxide or magnesium oxide, and the conductive polymeric material is heterocycle or aromatic heterocyclic compound and comprises polyacetylene, poly(arylene vinylene), polythiophene, polyaniline, polypyrrole or their derivatives. The metal powder is group II elements, group III elements or group VII elements, where the group II elements are magnesium, calcium or zinc, the group III elements are boron or aluminum and the group VII elements are manganese or ferrum. The organic salt is organic salt without lithium, and the organic salt is sodium iodide, sodium chloride or sodium hydroxide. The compound of metal ions and acid ions is calcium carbonate or natural phytochemicals comprising lignans, oligosaccharides, polysaccharides, flavonoids, iridoids, fatty acids, scopoletin, catechin, beta -sitosterol, damnacanthal or alkaloids.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Method: The method further comprises between the steps (d) and (e), pressing the first separator and the negative electrode layer formed by the step (d) by a weight of 60-70 Kg. The step (c) further comprises providing a conductive layer (111), and spraying metal powder on the conductive layer to form a metal powder layer (112) on the conductive layer, where the conductive layer is made of conductive material, and the conductive material is metal, metallic compound or conductive polymeric material.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The first separator and the second separator are both made of high-fiber material, and the high-fiber material is paper material comprising cellophane, cotton paper, rice paper or silk paper. The chlorophyll layer comprises chlorophyll which is chlorophyll a, chlorophyll b. chlorophyll c1, chlorophyll c2, chlorophyll d or chlorophyll e. The chlorophyll is in powder form or in liquid form. The chlorophyll oxidase has been removed from the chlorophyll. The chlorophyll layer further comprises a high polymer solution. The high polymer solution comprises compound of metal ions and acid ions, high polymer and solvent in a predetermined proportion. The high polymer is high polymer of glucose, and the high polymer of glucose is potato starch, water chestnut starch, corn starch, sweet potato starch, lotus root starch, mustard powder or Pueraria powder. The activated conductive polymeric layer further comprises the chlorophyll in powder form. The upper and the lower plates are acrylic plates, composite plates, metal plates, electric glass plates, metal-oxidation plates or alloy plates. Preferred Method: The step (g) comprises arranging an activated conductive polymeric layer and further arranging a conductive polymeric layer. The activated conductive polymeric layer is made of carbon fiber cloth, carbon powder or nanoconductive polymeric powder.