Lead paste of lead acid storage battery with long service cycle

[0012] Embodiment 1: a kind of lead-acid storage battery lead paste of high service life, comprises negative electrode lead paste and positive electrode lead paste, and described negative electrode lead paste comprises the raw material of following parts by weight: lead powder 100 parts, sulfuric acid 11 parts, deionized water 11 parts, 3 parts of sodium lignosulfonate, 0.6 parts of lignin fiber, 0.6 part of gallic acid, 2 parts of fumed silica, 4 parts of colloidal graphite powder, 2 parts of barium sulfate, 0.4 part of oak powder;

[0013] The positive lead paste comprises the following raw materials in parts by weight: 100 parts of lead powder, 10-12 parts of sulfuric acid, 10-12 parts of deionized water, 4-8 parts of red lead powder, 1-3 parts of carboxymethyl cellulose, 0.1~1 part of lignin fiber, 0.4~0.8 part of magnesium sulfate, 1~3 part of fumed silica.

[0014] Embodiment 2: a lead-acid battery lead paste with a high service life, comprising negative electrode lead paste and positive electrode lead paste, is characterized in that: the negative electrode lead paste comprises the following raw materials in parts by weight: 100 parts of lead powder, 10 ~ 12 parts, 10~12 parts of deionized water, 2~5 parts of sodium lignosulfonate, 0.1~1 part of lignin fiber, 0.4~0.8 parts of gallic acid, 1~3 parts of fumed silica, 1~3 parts of colloidal graphite powder 6 parts, 1~4 parts of barium sulfate, 0.2~0.6 parts of oak powder;

[0015] The positive lead paste comprises the following raw materials in parts by weight: 100 parts of lead powder, 10-12 parts of sulfuric acid, 10-12 parts of deionized water, 4-8 parts of red lead powder, 1-3 parts of carboxymethyl cellulose, 0.1~1 part of lignin fiber, 0.4~0.8 part of magnesium sulfate, 1~3 part of fumed silica.

[0016] Further, the sulfuric acid described in the above Examples 1-2 is a sulfuric