| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve life performance of a lead storage cell including minium. <P>SOLUTION: For the lead storage cell using a mixture of lead powder and minium as a cathode active substance raw material, the minium is particles with an average particle size of 15 μm or less and with a particle size distribution of 50% or more of particles with a particle size of 12 μm or less is used. <P>COPYRIGHT: (C)2009,JPO&INPIT |
