A kind of lead-acid storage battery cathode lead paste containing calcium lead acid
A lead-acid battery, positive lead paste technology, applied in battery electrodes, circuits, electrical components and other directions, can solve the problems of battery cycle life impact, carbon decomposition, impact damage, etc., to improve battery discharge capacity and cycle life, The effect of improving the efficiency of chemical formation
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Embodiment 1
[0021] A lead-acid battery positive lead paste containing calcium lead acid, the mass percent of each component is:
[0022] Shimadzu type lead powder or Barton type lead powder 71%,
[0023] Sulfuric acid 4%,
[0024] water 18%,
[0025] Short fiber 2%,
[0026] CaPbO 3 5%.
[0027] The concentration of the sulfuric acid is 43wt%.
[0028] The short fiber is a mixture of polyacrylonitrile fiber, polypyrrole fiber and polythiophene fiber, and the length of the short fiber is 2-4mm.
[0029] The CaPbO 3 The synthesis method is as follows: CaO with a purity of 99.99% and PbO with a purity of 99.99% 2 Mix evenly at a molar ratio of 1:1, put into a six-faced high-pressure reactor device, and react for 1 hour at 1000°C and 6.5Gpa.
Embodiment 2
[0031] A lead-acid battery positive electrode paste containing calcium lead acid, the mass percent of each component is:
[0032] Shimadzu type lead powder or Barton type lead powder 89%,
[0033] Sulfuric acid 4%,
[0034] water 5%,
[0035] Short fiber 0.05%,
[0036] CaPbO 3 1.95%.
[0037] The concentration of the sulfuric acid is 45wt%.
[0038] The short fiber is a mixture of polyvinyl chloride fiber and acrylic fiber, and the length of the short fiber is 2-4mm.
[0039] The CaPbO 3 The synthetic method of is as follows: the purity is 99.99% CaO and the purity is 99.99% PbO 2 Mix evenly at a molar ratio of 1:1, put it into a six-faced high-pressure reactor device, and react for 1 hour at 1200°C and 5Gpa.
Embodiment 3
[0041] A lead-acid battery positive electrode paste containing calcium lead acid, the mass percent of each component is:
[0042] Shimadzu-style lead powder 80%,
[0043] Sulfuric acid 9%,
[0044] Water 7.22%,
[0045] Short fiber 1.03%,
[0046] CaPbO 3 2.75%.
[0047] The concentration of the sulfuric acid is 44wt%.
[0048] The short fiber is polypropylene fiber, polyvinyl chloride fiber, acrylic fiber, and the length of the short fiber is 2-4mm.
[0049] The CaPbO 3The synthesis method is as follows: CaO with a purity of 99.99% and PbO with a purity of 99.99% 2 Mix evenly at a molar ratio of 1:1, put into a six-faced high-pressure reactor device, and react for 1 hour at 1100°C and 11.25Gpa.
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