| 摘要 |
PURPOSE:To enable capacity to be greatly increased throughout all of initial, middle, and latter periods in life tests, by performing a discharge by very small current after composing a cell, and then performing initial charge. CONSTITUTION:In order to enlarge a degree of porosity inside a positive electrode plate, a group of electrode plates are put into a battery jar, then discharging them at once by very small current (e.g. 0.001-0.01CA) after solution is poured, and thereafter initial charge is performed on them. Namely, discharge performed by very small current will produce lead sulfate having large particle diameter throughout front and inner layers of the positive electrode plate, which is growing. Performing initial charge and changing the lead sulfate into active material make it possible to manufacture a lead storage battery having a larger degree of porosity all over the electrode plates. |
