The invention belongs to the field of batteries, and particularly relates to an optimized thin-type and an
electrode-tube-type seal power lead-acid storage battery. The optimized thin-type and the
electrode-tube-type seal power lead-acid storage battery comprises a positive
electrode plate and a negative electrode plate, wherein the positive electrode plate is made of a
rare earth alloy, the negative electrode plate is prepared from the following raw materials: lead
powder,
barium sulfate,
humic acid, complex
tannin extract,
carbon black,
ion exchange water and
vitriol. The invention also provides a preparation method of the optimized thin-type and an electrode-tube-type seal power lead-acid storage battery. The preparation method comprises the following steps: melting the
rare earth element into the lead so as to prepare a positive plate grid, enabling a sheath and a dacron calandria to sleeve the grid, then filling the
powder, smashing an upper back cover, soaking, solidifying and
drying, so as to prepare the positive electrode plate; and after preparing the positive electrode plate and the negative electrode plate, assembling and forming the positive electrode plate and the negative electrode plate into a finished battery. The
rare earth alloy is adopted by the positive electrode plate, so that the
mechanical strength of the grid and the
corrosion resistance of the grid are improved, the service life of the battery is prolonged, the complex formula of the negative electrode plate is used for improving the battery active
substance use ratio and the
battery capacity, and the low-temperature
discharge performance of the battery is enhanced.