BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF

• US 20130071735A1
• Filed: 09/21/2011
• Published: 03/21/2013
• Est. Priority Date: 09/21/2011
• Status: Abandoned Application

• Current Assignee: Hollingsworth & Vose Company
• Original Assignee: Hollingsworth & Vose Company
• Inventors: Wertz, John, Campion, Christopher
• Application Number:
  US13/239,330
• Publication Number:
  US 20130071735A1
• Time in Patent Office: Days
• US Class Current: 429/204
• CPC Class Codes: H01M 10/08 Selection of materials as electrolytes
• CPC Class Codes: H01M 4/68 for use in lead-acid accumulators
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

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 lead acid battery electrode grid metal alloy comprising:

between about 0.01 weight percent and about 0.15 weight percent calcium;

between about 0.01 weight percent and about 1.6 weight percent tin;

an additional alloy component and amount selected from the group consisting of;

between about 0.007 weight percent and about 0.08 weight percent bismuth

between about 0.001 weight percent and about 0.013 weight percent nickel

between about 0.002 weight percent and about 0.026 weight percent antimony

between about 0.003 weight percent and about 0.036 weight percent cobalt

between about 0.002 weight percent and about 0.02 weight percent copper, and

between about 0.002 weight percent and about 0.02 weight percent titanium; and

balance lead.

2. The grid metal alloy of claim 1 wherein the additional alloy component and amount are selected from the group consisting of:

between about 0.02 weight percent and about 0.04 weight percent bismuth

between about 0.032 weight percent and about 0.063 weight percent nickel

between about 0.064 weight percent and about 0.013 weight percent antimony

between about 0.009 weight percent and about 0.018 weight percent cobalt

between about 0.005 weight percent and about 0.010 weight percent copper, and

between about 0.005 weight percent and about 0.010 weight percent titanium.

3. The grid metal alloy of claim 1 wherein the grid metal alloy comprises between about 0.085 weight percent and about 0.1 weight percent calcium.

4. The grid metal alloy of claim 1 wherein the grid metal alloy comprises between about 1.3 weight percent and about 1.6 weight percent tin.

5. The grid metal alloy of claim 1 wherein the grid metal alloy comprises between about 0.5 weight percent and about 0.6 weight percent tin.

6. The grid metal alloy of claim 1 wherein the grid metal alloy comprises between about 0.001 weight percent and about 0.01 weight percent silver.

7. A lead acid battery comprising the electrode grid metal alloy of claim 1 and an electrolyte.

8. The lead acid battery of claim 7 wherein the electrode grid metal alloy leaches metal ions into the electrolyte with a target metal ion concentration 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.

9. The lead acid battery of claim 7 wherein the electrode grid metal alloy leaches metal ions into the electrolyte with a target metal ion concentration 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.

10. The lead acid battery of claim 7 wherein the electrode grid metal alloy is in a positive electrode of the lead acid battery.

11. The lead acid battery of claim 7 wherein the electrode grid metal alloy is in a negative electrode of the lead acid battery.

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

13. The lead acid battery of claim 12 wherein the electrode grid metal alloy is in a positive electrode of the lead acid battery.

14. The lead acid battery of claim 12 wherein the electrode grid metal alloy is in a negative electrode of the lead acid battery.

15. The lead acid battery of claim 12 wherein the means for shifting the voltage leaches metal ions selected from the group consisting of bismuth ions, nickel ions, antimony ions, cobalt ions, copper ions, titanium ions and combinations thereof into the electrolyte.

16. The lead acid battery of claim 12 wherein the means for shifting the voltage leaches metal ions into the electrolyte with a target metal ion concentration 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.

17. The lead acid battery of claim 12 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.

18. The lead acid battery of claim 17 wherein the means for shifting the voltage leaches metal ions into the electrolyte with a target metal ion concentration 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 13.6 ppm of nickel ions, between about 6.8 ppm and about 13.6 ppm of tin ions, between about 13.8 ppm and about 27.6 ppm of antimony ions, between about 19.3 ppm and about 38.6 ppm of cobalt ions, between about 10.7 ppm and about 21.4 ppm of copper ions, and between about 10.7 ppm and about 21.4 ppm of titanium ions.

19. A lead acid battery that comprises a negative electrode, a positive electrode, a separator between the negative and positive electrodes, and an electrolyte in contact with the negative and positive electrodes, wherein an electrode comprises an electrode grid metal alloy that 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 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.

20. The battery of claim 19, wherein the electrode grid metal alloy 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 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.