A horizontal composite electricity supply element group, comprising: a first insulation layer; a second insulation layer, disposed opposing along the horizontal direction to said first insulation layer; characterized by a first patterned conductive layer (16, 16a, 16b, 16c), disposed on a first surface of said first insulation layer; a second patterned conductive layer (18, 18a, 18b), disposed on a second surface of said second insulation layer, and opposing along the horizontal direction to said first patterned conductive layer (16, 16a, 16b, 16c), a first conductive lead and a second conductive lead are connected electrically to said first patterned conductive layer (16, 16a, 16b, 16c) or second patterned conductive layer (18, 18a, 18b), or to said first patterned conductive layer (16, 16a, 16b, 16c) and said second patterned conductive layer (18, 18a, 18b), respectively; and a plurality of electricity supply element groups, arranged side by side and sandwiched between said first insulation layer and said second insulation layer, connected electrically via said first patterned conductive layer (16, 16a, 16b, 16c) and said second patterned conductive layer (18, 18a, 18b) in horizontal direction, and forming series and/or parallel connections internally; wherein each electricity supply element group is formed by two or more vertically stacked electricity supply elements; each said electricity supply element is an independent and complete module; the electrolyte systems of said electricity supply elements do not circulate from one electricity supply element to another and no chemical reaction occurs between adjacent electricity supply elements except for charge transferring, each electricity supply element comprises a first electricity collecting layer and a second electricity collecting layer, said first electricity collecting layer or said second electricity collecting layer of each of said electricity supply element in said electricity supply element group directly contact said second electricity collecting layer or said first electricity collecting layer of an adjacent electricity supply element to form electrical connection. a first insulation layer; a second insulation layer, disposed opposing along the horizontal direction to said first insulation layer; characterized by a first patterned conductive layer (16, 16a, 16b, 16c), disposed on a first surface of said first insulation layer; a second patterned conductive layer (18, 18a, 18b), disposed on a second surface of said second insulation layer, and opposing along the horizontal direction to said first patterned conductive layer (16, 16a, 16b, 16c), a first conductive lead and a second conductive lead are connected electrically to said first patterned conductive layer (16, 16a, 16b, 16c) or second patterned conductive layer (18, 18a, 18b), or to said first patterned conductive layer (16, 16a, 16b, 16c) and said second patterned conductive layer (18, 18a, 18b), respectively; and a plurality of electricity supply element groups, arranged side by side and sandwiched between said first insulation layer and said second insulation layer, connected electrically via said first patterned conductive layer (16, 16a, 16b, 16c) and said second patterned conductive layer (18, 18a, 18b) in horizontal direction, and forming series and/or parallel connections internally; a first patterned conductive layer (16, 16a, 16b, 16c), disposed on a first surface of said first insulation layer; a second patterned conductive layer (18, 18a, 18b), disposed on a second surface of said second insulation layer, and opposing along the horizontal direction to said first patterned conductive layer (16, 16a, 16b, 16c), a first conductive lead and a second conductive lead are connected electrically to said first patterned conductive layer (16, 16a, 16b, 16c) or second patterned conductive layer (18, 18a, 18b), or to said first patterned conductive layer (16, 16a, 16b, 16c) and said second patterned conductive layer (18, 18a, 18b), respectively; and a plurality of electricity supply element groups, arranged side by side and sandwiched between said first insulation layer and said second insulation layer, connected electrically via said first patterned conductive layer (16, 16a, 16b, 16c) and said second patterned conductive layer (18, 18a, 18b) in horizontal direction, and forming series and/or parallel connections internally; wherein each electricity supply element group is formed by two or more vertically stacked electricity supply elements; each said electricity supply element is an independent and complete module; the electrolyte systems of said electricity supply elements do not circulate from one electricity supply element to another and no chemical reaction occurs between adjacent electricity supply elements except for charge transferring, each electricity supply element comprises a first electricity collecting layer and a second electricity collecting layer, said first electricity collecting layer or said second electricity collecting layer of each of said electricity supply element in said electricity supply element group directly contact said second electricity collecting layer or said first electricity collecting layer of an adjacent electricity supply element to form electrical connection.