A new type of valve-air lead-acid battery for electric vehicles
A technology of lead-acid batteries and electric vehicles, applied in the field of electrochemistry, to achieve the effects of improving the service life of deep cycles, uniform grid distribution, and reducing tissue defects
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Embodiment 1
[0021] Example 1 A novel valve-regulated lead-acid battery for electric vehicles
[0022] The negative grid in the battery uses a quaternary alloy, which is supplemented by Ca 0.075%, Sn 1.1%, Al 0.027%, and Pb; the positive grid uses a quaternary alloy, which is supplemented by Ca 0.07%, Sn 0.6%, Al 0.029%, and Pb; Ca, Sn, Al and Pb quaternary alloys are melted-continuously cast strips-continuously rolled-continuously rolled and trimmed-continuously punched and expanded into nets to produce expanded mesh grids for negative plates; Ca, Sn, Al and Pb quaternary alloys are melted—continuously cast strips—continuous rolling—continuous rolling and trimming—continuous punching to produce punched grids for positive plates;
[0023] The battery positive plate lead paste is made by mixing the following ingredients: the apparent specific gravity is 1.4g / cm 3 995kg of 1# electrolytic lead powder, 71500ml of sulfuric acid with a density of 1.4±0.005g / mL, 130000ml of pure water, 0.73kg o...
Embodiment 2
[0027] Example 2 A new valve-regulated lead-acid battery for electric vehicles
[0028] The negative grid in the battery uses a quaternary alloy, supplemented by Ca 0.08%, Sn 1.0%, Al 0.031%, and Pb; the positive grid uses a quaternary alloy, supplemented by Ca 0.06%, Sn 0.7%, Al 0.02%, and Pb; Ca, Sn, Al and Pb quaternary alloys are melted—continuously cast strips——continuously rolled——continuously rolled and trimmed——continuously punched and expanded into a net to produce the expanded mesh grid for the negative plate; Ca, Sn, Al and Pb quaternary alloys are melted - continuous casting of strips - continuous rolling - continuous rolling shearing - continuous punching to produce a punching grid for positive plates;
[0029] The battery positive plate lead paste is made by mixing the following ingredients: the apparent specific gravity is 1.35g / cm 3 990kg of 1# electrolytic lead powder, 72000ml of sulfuric acid with a density of 1.4±0.005g / mL, 128000ml of pure water, 0.71kg of...
Embodiment 3
[0033] Example 3 A new valve-regulated lead-acid battery for electric vehicles
[0034]The negative grid in the battery uses a quaternary alloy, supplemented by Ca 0.09%, Sn 1.2%, Al 0.025%, and Pb; the positive grid uses a quaternary alloy, supplemented by Ca 0.08%, Sn 0.5%, Al 0.019%, and Pb; Ca, Sn, Al and Pb quaternary alloys are melted-continuously cast strips-continuously rolled-continuously rolled and trimmed-continuously punched and expanded into nets to produce expanded mesh grids for negative plates; Ca, Sn, Al and Pb quaternary alloys are melted—continuously cast strips—continuous rolling—continuous rolling and trimming—continuous punching to produce punched grids for positive plates;
[0035] The battery positive plate lead paste is made by mixing the following ingredients: the apparent specific gravity is 1.43g / cm 3 1000kg of 1# electrolytic lead powder, 72000ml of sulfuric acid with a density of 1.4±0.005g / mL, 130000ml of pure water, 0.74kg of short fibers with ...
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