Maintenance-free lead-acid storage battery with excellent deep cycle life and production method
A lead-acid battery, production method technology, applied in lead-acid battery, lead-acid battery construction, battery electrodes and other directions, can solve the problems of reducing the utilization rate of active materials, increasing the thickness of the negative grid, increasing the number of plates, etc. The effect of improving low temperature discharge performance, improving electrical conductivity, and increasing deep cycle life
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Embodiment 1
[0047] 1. Positive lead paste
[0048] The positive lead paste is composed of the following: short fiber 0.08%, antimony trioxide additive 0.1%, 4BS seed 0.6%, pure water 10%, 1.38g / cm 3 The sulfuric acid solution is 9%, and the rest is lead powder.
[0049] The preparation of described positive lead paste comprises the following steps:
[0050] (1) Mechanically premix antimony trioxide and 4BS seeds for 3 minutes and mix well;
[0051] (2) Put the auxiliary materials mixed in step (1) together with the short fibers into the lead powder, and dry stir for 6 minutes;
[0052] (3) Quickly add pure water and wet stir for 5 minutes;
[0053] (4) Slowly add the sulfuric acid solution to the mixture in step (3), the acid addition time is controlled at 12 minutes, the temperature during the process does not exceed 65°C, and after the acid addition is completed, stir for 10 minutes.
[0054] (5) After the paste is combined, fill it on the lead-calcium alloy grid, and then enter it to...
Embodiment 2
[0074] 1. Positive lead paste
[0075] The positive lead paste is composed of the following: short fiber 0.1%, antimony trioxide additive 0.15%, 4BS seed 1%, pure water 13%, 1.38g / cm 3 10% sulfuric acid solution, the rest is lead powder.
[0076] The preparation of described positive lead paste comprises the following steps:
[0077] (1) Mechanically premix antimony trioxide and 4BS seeds for 5 minutes and mix well;
[0078] (2) Put the auxiliary materials mixed in step (1) together with the short fibers into the lead powder, and dry stir for 6 minutes;
[0079] (3) Quickly add pure water and wet stir for 6 minutes;
[0080] (4) Slowly add the sulfuric acid solution to the mixture in step (3). The acid addition time is controlled at 12 minutes, and the temperature during the process does not exceed 65°C. After the acid addition is completed, stir for 13 minutes.
[0081] (5) After the paste is combined, fill it on the lead-calcium alloy grid, and then enter it to cure and ...
Embodiment 3
[0101] 1. Positive lead paste
[0102] The positive lead paste is composed of the following: short fiber 0.12%, antimony trioxide additive 0.08%, 4BS seed 1.2%, pure water 11%, 1.38g / cm 3 10% sulfuric acid solution, the rest is lead powder.
[0103] The preparation of described positive lead paste comprises the following steps:
[0104] (1) Mechanically premix antimony trioxide and 4BS seeds for 3 minutes and mix well;
[0105] (2) Put the auxiliary materials mixed in step (1) together with the short fibers into the lead powder, and dry stir for 5 minutes;
[0106] (3) Quickly add pure water and wet stir for 5 minutes;
[0107] (4) Slowly add the sulfuric acid solution to the mixture in step (3). The acid addition time is controlled at 14 minutes, and the temperature during the process does not exceed 65°C. After the acid addition is completed, stir for 15 minutes.
[0108] (5) After the paste is combined, fill it on the lead-calcium alloy grid, and then enter the curing a...
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