| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lead-acid battery auxiliary liquid capable of suppressing or removing sulfation. <P>SOLUTION: The lead-acid battery auxiliary liquid contains Ca(II), a phosphate group, and a sulfate group in a practically true solution state, and its pH is adjusted at 3.5-6.5 with sulfuric acid. The Ca(II) source is natural calcium mainly comprising calcium carbonate, such as an eggshell or a seashell, and manufactured by applying an electric current. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
