摘要 |
A rechargeable electric energy storage device including a negative electrode, a positive electrode and an electrolyte, at least one electrode including a plurality of wall members, forming a plurality of cells having a certain open cross-sectional area, a substantially planar electrolyte-permeable member affixed to the wall members and covering the open end of the cells, and a body of electrochemically active material in said cells; the active material being a solid at the operating temperature of the device and retained in the cells of the wall members by the electrolyte-permeable member. |