초록 ▼

A solid state reaction method for the production of tetrabasic lead sulfate includes the steps of mixing a stoichiometric mixture of 3PbO.PbSO4.H2O and PbO and heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO at a temperature between 500 and 700째 C. for 3 to 8 hours. The method also incl

A solid state reaction method for the production of tetrabasic lead sulfate includes the steps of mixing a stoichiometric mixture of 3PbO.PbSO4.H2O and PbO and heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO at a temperature between 500 and 700째 C. for 3 to 8 hours. The method also includes the steps of deagglomerating and sieving resulting tetrabasic lead sulfate.

대표청구항 ▼

What is claimed is: 1. A solid state reaction method for the production of tetrabasic lead sulfate comprising the steps of: mixing a stoichiometric mixture of 3PbO.PbSO4.H2O and PbO; heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO at a temperature between 500 and 700째 C. for 3 to 8 hou

What is claimed is: 1. A solid state reaction method for the production of tetrabasic lead sulfate comprising the steps of: mixing a stoichiometric mixture of 3PbO.PbSO4.H2O and PbO; heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO at a temperature between 500 and 700째 C. for 3 to 8 hours; and deagglomerating and sieving resulting tetrabasic lead sulfate. 2. The solid state reaction method of claim 1 further comprising obtaining the mixture of 3PbO.PbSO4.H2O and PbO from the group consisting of active materials for pastes used for preparation of lead-acid battery plates, recycled lead-acid battery plates, and combinations thereof. 3. The solid state reaction method of claim 1 wherein the step of heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO is performed at a temperature of 600째 C. 4. The solid state reaction method of claim 3 wherein the step of heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO is performed for 4 hours. 5. The solid state reaction method of claim 1 wherein the tetrabasic lead sulfate has a particle size of less than 10 μm. 6. The solid state reaction method of claim 1 wherein the step of deagglomerating and sieving is a dispersion process. 7. The solid state reaction method of claim 6 wherein the dispersion process is carried out under dry conditions. 8. The solid state reaction method of claim 6 wherein the dispersion process is carried out in a liquid suspension. 9. A method of forming a battery plate comprising: mixing a stoichiometric mixture of 3PbO.PbSO4.H2O and PbO; heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO at a temperature between 500 and 700째 C. for 3 to 8 hours; and deagglomerating and sieving resulting tetrabasic lead sulfate; forming a paste using the tetrabasic lead sulfate; and providing the paste on a battery plate. 10. The method of claim 9 wherein the step of heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO is performed at a temperature of 600째 C. 11. The method of claim 10 wherein the step of heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO is performed for 4 hours. 12. The method of claim 9 wherein the tetrabasic lead sulfate has a particle size of less than 10 μm. 13. The method of claim 9 wherein the step of deagglomerating and sieving is a dispersion process. 14. The method of claim 13 wherein the dispersion process is carried out under dry conditions. 15. The method of claim 13 wherein the dispersion process is carried out in a liquid suspension. 16. A method of producing a lead-acid battery comprising: providing a battery comprising a plurality of battery plates, the battery plates prepared by a method comprising: mixing a stoichiometric mixture of 3PbO.PbSO4.H2O and PbO; heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO at a temperature between 500 and 700째 C. for 3 to 8 hours; deagglomerating and sieving resulting tetrabasic lead sulfate; forming a paste using the tetrabasic lead sulfate; and providing the paste on a battery plate. 17. The method of claim 16 wherein the step of heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO is performed at a temperature of 600째 C. 18. The method of claim 17 wherein the step of heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO is performed for 4 hours. 19. The method of claim 16 wherein the tetrabasic lead sulfate has a particle size of less than 10 μm. 20. The method of claim 16 wherein the step of deagglomerating and sieving is a dispersion process.