| abstract |
An electrochemical storage cell (300), comprising a core (200), a protective frame (305), an anode sheet (105), a cathode sheet (110), and a separator sheet (115), in where: a) the protective frame (305) is prismatic, has two large faces, two small faces and two ends, and comprises a first electrical terminal at one of the two ends and a second electrical terminal at the second of The two extremes; b) the core (200) fits perfectly within the frame (305) and comprises an anode current collector at a first end of the flattened winding structure and a cathode current collector at a second opposite end of the winding structure flattened c) the anode sheet (105) is electrically connected to the first electrical terminal; d) the cathode sheet (110) is electrically connected to the second electrical terminal; e) the separator sheet (115) is disposed between the anode sheet (105) and the cathode sheet (110); and f) the anode sheet (105), the cathode sheet (110), and the separator sheet (115) are wound to form a flattened winding structure having opposite flattened sides and opposite arched sides, and wherein the sheet (105 ) of anode and cathode sheet (110) end on different arched sides. |