BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF

• US 20130071723A1
• 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, Rajaram, Mohan, Gargan, Rene, Krupnikov, Svetlana
• Application Number:
  US13/239,320
• Publication Number:
  US 20130071723A1
• Time in Patent Office: Days
• US Class Current: 429/163
• CPC Class Codes: H01M 10/06 Lead-acid accumulators semi-lead accumulators H01M10/20
• CPC Class Codes: H01M 10/4235 Safety or regulating additives or arrangements in electrodes, separators or electrolyte H01M10/4242 takes precedence
• CPC Class Codes: H01M 4/624 Electric conductive fillers
• CPC Class Codes: H01M 50/124 having a layered structure
• CPC Class Codes: H01M 50/431 Inorganic material
• CPC Class Codes: H01M 50/437 Glass
• CPC Class Codes: H01M 50/44 Fibrous material
• CPC Class Codes: H01M 50/454 comprising a non-fibrous layer and a fibrous layer superimposed on one another
• 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 comprising the following components:

a case, a negative electrode, a positive electrode, a separator, an electrolyte, and a coating of metal or metal oxide coating a surface of at least one battery component wherein the surface is a surface that contacts the electrolyte within the battery.

2. The lead acid battery of claim 1, wherein the coating is a metal coating.

3. The lead acid battery of claim 1, wherein the coating is a metal oxide coating.

4. The lead acid battery of claim 1, wherein the metal or metal oxide are selected from the group consisting of bismuth, nickel, tin, antimony, cobalt, copper, titanium, bismuth oxide, nickel oxide, tin oxide, antimony oxide, cobalt oxide, copper oxide, titanium oxide and combinations thereof.

5. The lead acid battery of claim 1, wherein the metal or metal oxide are present in an amount sufficient to provide a target metal ion concentration in the electrolyte 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.

6. The lead acid battery of claim 1, wherein the metal or metal oxide are present in an amount sufficient to provide a target metal ion concentration in the electrolyte 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.

7. The lead acid battery of claim 1, wherein the battery component is selected from the group consisting of a separator, a case, a positive electrode, a negative electrode and combinations thereof.

8. The lead acid battery of claim 3, wherein the metal oxide is bismuth oxide and the thickness of the coating is between about 0.004 microns and about 0.5 microns thick.

9. The lead acid battery of claim 8, wherein the coating comprises between about 20.9 mg and about 251 mg of bismuth oxide.

10. The lead acid battery of claim 3, wherein the metal oxide is nickel oxide and the thickness of the coating is between about 0.001 microns and about 0.14 microns thick.

11. The lead acid battery of claim 10, wherein the coating comprises between about 4.6 mg and about 54.4 mg of nickel oxide.

12. The lead acid battery of claim 3, wherein the metal oxide is tin oxide and the thickness of the coating is between about 0.001 microns and about 0.11 microns thick.

13. The lead acid battery of claim 12, wherein the coating comprises between about 3.8 mg and about 44.9 mg of tin oxide.

14. The lead acid battery of claim 3, wherein the metal oxide is antimony oxide and the thickness of the coating is between about 0.002 microns and about 0.26 microns thick.

15. The lead acid battery of claim 14, wherein the coating comprises between about 7.2 mg and about 85.6 mg of antimony oxide.

16. The lead acid battery of claim 3, wherein the metal oxide is cobalt oxide and the thickness of the coating is between about 0.003 microns and about 0.34 microns thick.

17. The lead acid battery of claim 16, wherein the coating comprises between about 10.6 mg and about 127.3 mg of cobalt oxide.

18. The lead acid battery of claim 3, wherein the metal oxide is copper oxide and the thickness of the coating is between about 0.002 microns and about 0.19 microns thick.

19. The lead acid battery of claim 18, wherein the coating comprises between about 5.9 mg and about 69.5 mg of copper oxide.

20. The lead acid battery of claim 3, wherein the metal oxide is titanium oxide and the thickness of the coating is between about 0.003 microns and about 0.37 microns thick.

21. The lead acid battery of claim 20, wherein the coating comprises between about 7.8 mg and about 92.7 mg of titanium oxide.

22. The lead acid battery of claim 1, wherein the coating is in the form of nanowires.

23. The lead acid battery of claim 1, wherein the coating is in the form of a continuous coating.

24-45. -45. (canceled)

46. A lead acid battery separator comprising:

glass fibers,

non-glass additive fibers; and

metal or metal oxide particles;

wherein the metal or metal oxide particles are electrostatically bound to the non-glass additive fibers.

47-77. -77. (canceled)

78. 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 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.

79. The lead acid battery of claim 78 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.

80. The lead acid battery of claim 78 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.

81. The lead acid battery of claim 78 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.

82. The lead acid battery of claim 81 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.

83. The lead acid battery of claim 78 wherein the means for shifting the voltage comprises a coating of a metal or metal oxide on the surface of a battery component wherein the surface is in contact with the battery electrolyte.

84. The lead acid battery of claim 83 wherein the coating is a metal coating.

85. The lead acid battery of claim 83 wherein the coating is a metal oxide coating.

86. The lead acid battery of claim 83 wherein the metal or metal oxide are selected from the group consisting of particles of bismuth, nickel, tin, antimony, cobalt, copper, titanium, bismuth oxide, nickel oxide, tin oxide, antimony oxide, cobalt oxide, copper oxide, titanium oxide and combinations thereof.

87. The lead acid battery of claim 83 wherein the component is selected from the group consisting of a separator, a case, a positive electrode, a negative electrode and combinations thereof.

88. The lead acid battery of claim 87 wherein the component has a coating of composition and thickness selected from the group consisting of the following:

bismuth oxide with a thickness between about 0.004 microns and about 0.48 microns,

nickel oxide with a thickness is between about 0.001 microns and about 0.14 microns,

tin oxide with a coating thickness is between about 0.001 microns and about 0.11 microns

antimony oxide with a coating thickness is between about 0.002 microns and about 0.26 microns

cobalt oxide with a coating thickness is between about 0.003 microns and about 0.34 microns

copper oxide with a coating thickness is between about 0.002 microns and about 0.19 microns,

titanium oxide with a coating thickness is between about 0.003 microns and about 0.37 microns;

and combinations thereof.

95. The lead acid battery of claim 78 wherein the means for shifting the voltage comprises metal or metal oxide particles that are electrostatically bound to non-glass additive fibers of a battery separator.

96. The lead acid battery of claim 95 wherein the non-glass additive fibers are selected from the group consisting of cellulose fibers, synthetic fibers and combinations thereof.

97. The lead acid battery of claim 95 wherein the non-glass additive fibers are negatively charged.

98. The lead acid battery of claim 95 wherein the metal or metal oxide particles are selected from the group consisting of particles of bismuth, nickel, tin, antimony, cobalt, copper, titanium, bismuth oxide, nickel oxide, tin oxide, antimony oxide, cobalt oxide, copper oxide, titanium oxide and combinations thereof.

99. The lead acid battery of claim 95 wherein the metal oxide particles and their respective quantities are selected from the group consisting of the following:

bismuth oxide particles that are present in an amount that is between about 0.02 weight percent and about 0.27 weight percent of the battery separator,

nickel oxide particles that are present in an amount that is between about 0.005 weight percent and about 0.06 weight percent of the battery separator,

tin oxide particles that are present in an amount that is between about 0.004 weight percent and about 0.05 weight percent of the battery separator,

antimony oxide particles that are present in an amount that is between about 0.008 weight percent and about 0.09 weight percent of the battery separator,

cobalt oxide particles that are present in an amount that is between about 0.01 weight percent and about 0.13 weight percent of the battery separator,

copper oxide particles that are present in an amount that is between 0.006 weight percent and about 0.08 weight percent of the battery separator,

titanium oxide particles that are present in an amount that is between about 0.009 weight percent and about 0.10 weight percent of the battery separator.

89-94. -94. (canceled)

100-105. -105. (canceled)

106. 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 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.

107. The battery of claim 106, 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.