| 摘要 |
1478554 High temperature secondary cells UNITED STATES ENERGY RESEARCH & DEVELOPMENT ADMINISTRATION 8 Sept 1975 [30 Sept 1974] 36852/75 Heading H1B A high temperature secondary electrochemical cell, which is assembled in a discharged state, has a +ve electrode 17 comprising a metallic mesh of e.g. Fe, Co, Ni or Mo with Li 2 S and an electrolyte embedded therein, and - ve electrodes 13, 15 comprising porous Al, and an electrolyte including a Li salt. The electrodes are insulated from each other by a ceramic cloth or perforated paper 25 of e.g. boron nitride, zirconia or yttria, which may be supported by a porous layer 26 of e.g. stainless steel or Mo. The electrolyte may be LiCl-KCl, LiCl-LiF-KBr. A - ve terminal 19 is attached to housing 11. The +ve terminal 21 passes through an insulating collar 23. In a modification (Fig. 2, not shown) an electrode comprises several layers of mesh some of reactive material, e.g. Fe, Ni, Co and some of inert materials, e.g. Nb, Mo, W. In a further modification (Fig. 3, not shown) a beryllium oxide cylinder is positioned between the +ve electrode and the housing. |
