COMPOSITIONS AND DELIVERY SYSTEMS WITH LEACHABLE METAL IONS

• US 20120070728A1
• Filed: 09/21/2011
• Published: 03/22/2012
• Est. Priority Date: 09/21/2010
• Status: Abandoned Application

• Current Assignee: Hollingsworth & Vose Company
• Original Assignee: Hollingsworth & Vose Company
• Inventors: Wertz, John, Vulfson, Yuri, Clement, Nicolas, Keisler, Randall, Campion, Christopher
• Application Number:
  US13/239,298
• Publication Number:
  US 20120070728A1
• Time in Patent Office: Days
• US Class Current: 429/188
• CPC Class Codes: C08K 7/14 Glass
• CPC Class Codes: C08L 51/04 grafted on to rubbers
• CPC Class Codes: C08L 7/00 Compositions of natural rubber
• CPC Class Codes: C08L 9/00 Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
• CPC Class Codes: H01M 10/06 Lead-acid accumulators semi-lead accumulators H01M10/20
• CPC Class Codes: H01M 10/08 Selection of materials as electrolytes
• CPC Class Codes: H01M 2300/0011 Sulfuric acid-based
• CPC Class Codes: H01M 4/14 Electrodes for lead-acid accumulators
• CPC Class Codes: H01M 4/628 Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
• CPC Class Codes: H01M 50/414 Synthetic resins, e.g. thermoplastics or thermosetting resins
• CPC Class Codes: H01M 50/429 Natural polymers
• CPC Class Codes: H01M 50/437 Glass
• CPC Class Codes: H01M 50/44 Fibrous material
• CPC Class Codes: H01M 50/446 Composite material consisting of a mixture of organic and inorganic materials
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y10T 428/298 Physical dimension

Abstract

The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte.

Claims

1. A composition comprising glass particles within a polymeric material, wherein the glass particles comprise between about 50 weight percent and about 75 weight percent silica, between about 1 weight percent and about 5 weight percent aluminum oxide, less than about 25 weight percent sodium oxide and a bismuth compound and wherein the composition leaches bismuth ions to a concentration between about 14.3 ppm and about 172 ppm when placed in 0.5 to 1.5 liters of a sulfuric acid solution with a specific gravity of 1.26 at 20°

C.

2. The composition of claim 1, wherein the composition leaches bismuth ions to a concentration between about 42.9 ppm and about 85.8 ppm when placed in 0.5 to 1.5 liters of a sulfuric acid solution with a specific gravity of 1.26 at 20°

C.

3. The composition of claim 1, wherein the bismuth compound is bismuth oxide, bismuth sulfate, or a combination thereof.

5. The composition of claim 1, wherein the glass particles have an average diameter between about 0.6 and about 13 microns.

7. The composition of claim 5, wherein the glass particles comprise bismuth oxide and the average bismuth oxide concentration across the glass particles is between about 0.052 weight % and about 1.412 weight %, between about 0.052 weight % and about 4.188 weight %, between about 0.052 weight % and about 43.61 weight %, between about 0.156 weight % and about 4.188 weight % or between about 0.156 weight % and about 43.61 weight %.

10. The composition of claim 1, wherein the composition is in the form of a fiber.

11. The composition of claim 10, wherein the fibers have an average diameter between about 1 μ

m and about 8 μ

m.

12. The composition of claim 10, wherein the fibers have an average diameter between about 0.5 μ

m and about 1.5 μ

m.

13. The composition of claim 10, wherein the fibers have an average diameter between about 0.04 μ

m and about 1 μ

m.

14. The composition of claim 10, wherein the fibers are one or more of meltblown fibers or electrospun fibers.

15. The composition of claim 1, wherein the polymeric material is selected from the group consisting of polyethylene, natural rubber, polybutadiene, polypropylene, polyester, polymethyl-methacrylate, polyvinyl chloride, acrylonitrile butadiene styrene, polyvinylidene fluoride, polytetrafluoroethylene, Polyvinylidene chloride, Polyphenylene sulfide polystyrene, polyethersulfone, polyetherimide, polycarbonate, plastisol, polyvinyl chloride, acrylonitrile butadiene styrene, polyvinylidene fluoride, polytetrafluoroethylene, Polyvinylidene chloride, Polyphenylene sulfide polystyrene, polyethersulfone, polyetherimide, polycarbonate, plastisol and nylon.

19. The composition of claim 1, wherein the bismuth compound is bismuth oxide, bismuth sulfate, or a combination thereof.

21. The composition of claim 1, wherein the particles have an average diameter between about 0.6 and about 13 microns.

4. (canceled)

6. (canceled)

8. (canceled)

9. (canceled)

16. (canceled)

17. A composition comprising particles of a bismuth compound within a polymeric material, wherein the composition leaches bismuth ions to a concentration between about 14.3 ppm and about 172 ppm when placed in 0.5 to 1.5 liters of a sulfuric acid solution with a specific gravity of 1.26 at 20°

C.

18. The composition of claim 17, wherein the composition leaches bismuth ions to a concentration between about 42.9 ppm and about 85.8 ppm when placed in 0.5 to 1.5 liters of a sulfuric acid solution with a specific gravity of 1.26 at 20°

C.

20. (canceled)

22-294. -294. (canceled)

295. A lead-acid battery that comprises a negative electrode, a positive electrode, a polymeric separator between the negative and positive electrodes, and an electrolyte in contact with the negative and positive electrodes, wherein the lead-acid battery comprises a means for shifting the voltage at which hydrogen is produced at the negative electrode by between about 10 mV and about 120 mV.

298. The battery of claim 295, wherein the means for shifting the voltage leaches metal ions selected from the group consisting of bismuth ions, nickel ions, tin ions, antimony ions, cobalt ions, copper ions, titanium ions and combinations thereof into the electrolyte.

299. The battery of claim 298, wherein the means for shifting the voltage leaches bismuth ions into the electrolyte with a target concentration of between about 14.3 ppm and about 172 ppm, leaches nickel ions into the electrolyte with a target concentration of between about 2.3 ppm and about 27.2 ppm, leaches tin ions into the electrolyte with a target concentration of between about 2.3 ppm and about 27.2 ppm, leaches antimony ions into the electrolyte with a target concentration of between about 4.6 ppm and about 55.1 ppm, leaches cobalt ions into the electrolyte with a target concentration of between about 6.4 ppm and about 77.1 ppm, leaches copper ions into the electrolyte with a target concentration of between about 3.6 ppm and about 42.9 ppm, or leaches titanium ions into the electrolyte with a target concentration of between about 3.6 ppm and about 42.9 ppm.

300. The battery of claim 295, wherein the lead-acid battery comprises a means for shifting the voltage at which hydrogen is produced at the negative electrode by between about 30 mV and about 60 mV.

301. The battery of claim 300, wherein the means for shifting the voltage leaches bismuth ions into the electrolyte with a target concentration of between about 42.9 ppm and about 85.8 ppm, leaches nickel ions into the electrolyte with a target concentration of between about 6.8 ppm and about 13.6 ppm, leaches tin ions into the electrolyte with a target concentration of between about 6.8 ppm and about 13.6 ppm, leaches antimony ions into the electrolyte with a target concentration of between about 13.8 ppm and about 27.6 ppm, leaches cobalt ions into the electrolyte with a target concentration of between about 19.3 ppm and about 38.6 ppm, leaches copper ions into the electrolyte with a target concentration of between about 10.7 ppm and about 21.4 ppm, or leaches titanium ions into the electrolyte with a target concentration of between about 10.7 ppm and about 21.4 ppm.

302. The battery of claim 295, wherein the means for shifting the voltage comprises a polymeric material that comprises a plurality of glass particles that comprise metal ions selected from the group consisting of bismuth ions, nickel ions, tin ions, antimony ions, cobalt ions, copper ions, titanium ions and combinations thereof.

303. The battery of claim 302, wherein the glass particles comprise between about 50 weight percent and about 75 weight percent silica, between about 1 weight percent and about 5 weight percent aluminum oxide and less than about 25 weight percent sodium oxide.

304. The battery of claim 302, wherein the glass particles have an average diameter between about 0.6 microns and about 13 microns.

305. The battery of claim 304, wherein the availability of the glass particles within the polymeric material is between about 40% and about 90%.

306. The battery of claim 305, wherein the glass composition comprises

between about 0.052 weight percent and about 43.61 weight percent bismuth oxide,

between about 0.011 weight percent and about 9.68 weight percent nickel oxide,

between about 0.27 weight percent and about 22.553 weight percent tin oxide,

between about 0.027 weight percent and about 21.862 weight percent antimony oxide,

between about 0.028 weight percent and about 22.725 weight percent cobalt oxide,

between about 0.013 weight percent and about 10.97 weight percent copper oxide, or

between about 0.033 weight percent and about 27.793 weight percent titanium oxide.

307. The battery of claim 302, wherein the lead-acid battery comprises a means for shifting the voltage at which hydrogen is produced at the negative electrode by between about 30 mV and about 60 mV.

308. The battery of claim 307, wherein the glass composition comprises

between about 0.157 weight percent and about 21.813 weight percent bismuth oxide,

between about 0.034 weight percent and about 4.83 weight percent nickel oxide,

between about 0.081 weight percent and about 11.278 weight percent tin oxide,

between about 0.079 weight percent and about 10.945 weight percent antimony oxide,

between about 0.082 weight percent and about 11.363 weight percent cobalt oxide,

between about 0.082 weight percent and about 5.478 weight percent copper oxide, or

between 0.100 weight percent and about 13.875 weight percent titanium oxide.

309. The battery of claim 302, wherein the glass composition is comprised within the separator.

296. A lead-acid battery that comprises a negative electrode, a positive electrode, a polymeric separator between the negative and positive electrodes, and an electrolyte in contact with the negative and positive electrodes, wherein the lead-acid battery comprises a means for providing metal ions into the electrolyte with a target concentration in the electrolyte that is selected from the group consisting of:

between about 14.3 ppm and about 172 ppm of bismuth ions,

between about 2.3 ppm and about 27.2 ppm of nickel ions,

between about 2.3 ppm and about 27.2 ppm of tin ions,

between about 4.6 ppm and about 55.1 ppm of antimony ions,

between about 6.4 ppm and about 77.1 ppm of cobalt ions,

between about 3.6 ppm and about 42.9 ppm of copper ions, and

between about 3.6 ppm and about 42.9 ppm of titanium ions.

297. A lead-acid battery that comprises a negative electrode, a positive electrode, a polymeric separator between the negative and positive electrodes, and an electrolyte in contact with the negative and positive electrodes, wherein the lead-acid battery comprises a means for providing metal ions into the electrolyte with a target concentration in the electrolyte that is selected from the group consisting of:

between about 42.9 ppm and about 85.8 ppm of bismuth ions,

between about 6.8 ppm and about 18.2 ppm of nickel ions,

between about 6.8 ppm and about 18.2 ppm of tin ions,

between about 13.8 ppm and about 36.7 ppm of antimony ions,

between about 19.3 ppm and about 51.4 ppm of cobalt ions,

between about 10.7 ppm and about 28.5 ppm of copper ions, and

between about 10.7 ppm and about 28.5 ppm of titanium ions.