| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent temperature distribution of unit cells of a sodium-sulfur cell from becoming heterogeneous in a process of raising temperature even when a collective battery is down-sized and reduced in weight in a heating device of the collective battery composed of the sodium-sulfur cells. <P>SOLUTION: In this device, a tabular heating device 7 integrated by arranging electric-insulating plate materials 9, 10 at both faces of an heating wire 8 is installed at the peripheral wall face of a battery housing case 1, and if a plurality of independent heating wires is arranged nearly in parallel, it is advantageous in disconnection. <P>COPYRIGHT: (C)2003,JPO</p> |
