| 摘要 |
<p>An electric cell (10) comprising a ceramic porous plate (12) which has previously been soaked in sulphuric acid such that a substantial volume of the pores contain sulphuric acid. Spaces are provided on either side of the plate (12) by a casing (14). The spaces are respectively filled, one with powdered lead-oxide (16), and the other with lead powder (18). Strips of lead (20, 22) extend from adjacent the base of the casing (14) through respectively the lead oxide (16) and the lead powder (18) and through an upper removable cap (24) of the casing (14) to provide terminals (26, 28).</p> |
