Improved performance lead-acid battery separator, battery and vehicle having the separator, and related methods

JP2026102788APending Publication Date: 2026-06-23DARAMIC LLC

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
DARAMIC LLC
Filing Date
2026-03-17
Publication Date
2026-06-23

AI Technical Summary

Benefits of technology

【0010】 本明細書中で開示されるものは、特定の種類のセパレータを有する、新規で、改良又は最適化された強化浸水型鉛蓄電池である。驚くべきことに、セパレータの表面特性(及び任意に車両内の特定の電池プレート及びセパレータの方向付けも合わせて)を適切に選択することにより、成層化を低減させる及び/又は予防することができ、これに対応して電池性能の増加が確認でき、性能は、特定のVRLA·AGM又はVRLA·AGM電池の性能に近い、一致、又はより優れてさえいることが判明した。さらに、驚くべきことに、本明細書中に説明されている1以上の電池と共に本明細書中に説明されている1以上のセパレータを使用すること、及びそれらを動かして使用することにより、発明の電池及びセパレータのこのような動きが、何らかの機械的手段又は(酸混合用ポンプ等の)何らかの酸混合用の道具を必要とすることなく、酸混合又は循環の改善及び/又は成層化の低減又は同時に防止を促進することが判明した。様々な実施形態が以下、さらに詳細に説明される。

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Abstract

The present invention provides a battery separator for use in reinforced water-resistant lead-acid batteries, such as reinforced water-resistant start / stop batteries, which does not undergo stratification during use and / or exhibits a reduction or significant reduction in the level of stratification during use. [Solution] A battery separator is provided for enhancing acid mixing in a submersible lead-acid battery, comprising a porous back web and a plurality of segmented ribs extending from at least one surface of the back web, and at least one portion of the plurality of segmented ribs defined by an angular direction to enhance acid mixing, particularly during operation of the battery, with the separator positioned parallel to the start and stop movements of the battery.
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Claims

1. A battery separator for enhancing acid mixing in a submersible lead-acid battery, A porous back web and a plurality of segmented ribs extending from at least one surface of the back web, At least one portion of the plurality of segmented ribs defined by an angular direction to enhance acid mixing, particularly during operation of the battery, with the separator positioned parallel to the start and stop movements of the battery, A battery separator equipped with the following features.

2. The battery separator according to claim 1, wherein the angular direction is related to the vertical direction of the separator, and the angular direction is an angle selected from the group consisting of a range greater than zero degrees (0°) and less than 180 degrees (180°), and a range greater than 180 degrees (180°) and less than 360 degrees (360°).

3. moreover, One or more sets of ribs within the plurality of divided ribs, A first set of ribs in the one or more sets of ribs having a first angular direction, At least two sets of ribs in the one or more sets of ribs having a second angular direction The battery separator according to claim 1, comprising:

4. The battery separator according to claim 1, wherein the plurality of dividing ribs are arranged in a row-and-column arrangement.

5. The battery separator according to claim 4, wherein the rows are spaced apart by a variable row spacing.

6. The battery separator according to claim 4, wherein the rows are separated by a variable row spacing.

7. The aforementioned multiple segmented ribs are arranged in a row, The aforementioned arrangement of columns is arranged in multiple column divisions, The battery separator according to claim 1, wherein at least one of the plurality of column divisions has a different arrangement of the plurality of dividing ribs compared to at least one of the plurality of column divisions.

8. The aforementioned multiple segmented ribs are arranged in a row, The aforementioned row arrangement is arranged in multiple row sections, The battery separator according to claim 1, wherein at least one of the plurality of row divisions has a different arrangement of the plurality of dividing ribs compared to at least one of the plurality of row divisions.

9. The battery separator according to claim 1, wherein the separator is selected from the group consisting of polyolefin, rubber, polyvinyl chloride, phenolic resin, cellulose derivative, or a combination thereof.

10. The battery separator according to claim 1, wherein the separator comprises one selected from the group consisting of a filler, a surfactant, or a combination thereof.

11. moreover, The battery separator according to claim 1, comprising an absorbent glass mat.

12. A separator, The separator is provided with one or more ribs, The separator is placed inside the battery and immersed in the acidic electrolyte placed inside the battery. The one or more ribs mentioned above act as separators that promote the mixing of the acidic electrolyte during changes in the battery's speed.

13. A lead-acid battery comprising a battery separator according to any one of claims 1 to 12.

14. Equipped with one or more separators or spacers, Each of the one or more separators or spacers comprises a plurality of individual ribs extending from the web or framework of the material, Each of the aforementioned individual ribs is defined by an angular direction related to the longitudinal direction of the one or more separators or spacers. One or more sets of ribs within the plurality of individual ribs, A first set of the one or more sets of ribs having the same rib angle direction, A lead-acid battery according to claim 13, comprising:

15. The lead-acid battery according to claim 13 or 14, wherein the lead-acid battery is a submersible lead-acid battery, a battery operating in a partially charged state, or is used in an application selected from the group consisting of an idling stop / start application, a power supply application, and a deep cycle application, or a combination thereof.

16. The lead-acid battery according to claim 13, wherein the lead-acid battery is used in a partially charged state.

17. The lead-acid battery is subject to movement and stopping motion as described in claim 13.

18. The lead-acid battery according to claim 17, wherein each of the one or more separators is generally arranged parallel to the direction of the movement and stopping motion.

19. moreover, A battery comprising an alternating sequence of positive and negative electrodes, The lead-acid battery according to claim 13, wherein the separator is arranged around the negative electrode.

20. The lead-acid battery according to claim 19, wherein the plurality of segmented ribs are adjacent to the positive electrode.

21. A method for reducing stratification in batteries, A step of providing a battery, the step of housing one or more positive electrodes and one or more negative electrodes in the battery, A step of providing one or more separators, wherein the separator is positioned between each of the one or more positive electrodes and the one or more negative electrodes, and each of the one or more separators comprises a plurality of ribs defined by an angular direction, The process of providing electrolytes, A step of providing movement to the aforementioned battery, A method for providing this.

22. moreover, The method according to claim 21, further comprising the step of setting the plurality of alternating positive and negative electrodes parallel to the direction of movement.

23. moreover, Claim 21 further comprises the step of surrounding each of the one or more separators around the negative electrode. The method.

24. The plurality of ribs are adjacent to the positive electrode, according to the method of claim 23.

25. moreover, A method for providing a vehicle capable of moving and stopping, The process of setting the battery in the vehicle such that the plurality of separators are parallel to the movement and stopping motion. The method according to claim 21, comprising:

26. The case and lid define the internal space at the top of the battery, The method according to claim 21, wherein one or more baffles are provided in the internal space to redirect at least one portion of the electrolyte induced by the movement toward the battery during the movement.

27. It is a lead-acid battery, The case and lid, A plurality of positive and negative electrodes, wherein straps are attached to each of the positive and negative electrodes, Acids, bases, and electrolytes Equipped with, The case and the lid are connected to each other, forming an internal volume within them. The plurality of positive and negative electrodes and the acid-base electrolyte are housed within at least the lower portion of the internal volume. One or more baffles are located within the upper portion of the internal volume of the lead-acid battery.

28. The lead-acid battery according to claim 27, wherein the baffle is disposed in at least one part of the lid.

29. The lead-acid battery according to claim 27, wherein the baffle is disposed in at least one part of the case.

30. The lead-acid battery according to claim 27, wherein the baffle extends from the strap.

31. The lead-acid battery according to claim 27, wherein the baffle is formed from a separate component that is distinguishable from the case and the lid.

32. The lead-acid battery according to claim 31, wherein the baffle is attached to the strap.

33. The lead-acid battery according to claim 27, wherein the baffle has a curved surface.

34. The lead-acid battery according to claim 27, wherein the baffle generally has a flat surface.

35. The lead-acid battery according to claim 27, wherein the baffle generally has a surface perpendicular to the longitudinal length of the electrode.

36. The battery separator according to claim 1, wherein the separator promotes or improves acid mixing compared to a conventional solid rib contour separator.

37. A submersible lead-acid battery comprising the separator of claim 36.

38. It is a start / stop vehicle, The improvement is a start / stop vehicle equipped with the battery of claim 37.

39. The vehicle according to claim 38, wherein the battery has a plate, the plate is positioned substantially parallel to the direction of movement of the vehicle.

40. An acid-mixing ribbed separator having a positive electrode surface rib contour that enhances acid mixing to provide at least one of an increase in acid mixing of at least 15% and a volume uniformity of at least 0.37 over 60 seconds.

41. An acid-mixing ribbed separator having a positive electrode surface rib contour that enhances acid mixing to provide at least one of a 20% increase in acid mixing and at least 0.38 in volume uniformity over 60 seconds.

42. An acid-mixing ribbed separator having a positive electrode surface rib contour that enhances acid mixing to provide at least one of a 25% increase in acid mixing and at least 0.40 volume uniformity in 60 seconds.

43. An acid-mixing ribbed separator having a positive electrode surface rib contour that enhances acid mixing to provide at least one of a 30% increase in acid mixing and a volume uniformity of at least 0.42 in 60 seconds.

44. The separator is a negative electrode plate envelope, as described in any one of claims 40 to 43, an acid-mixed ribbed separator.

45. An acid-mixing rib separator having a positive electrode surface rib contour that enhances acid mixing, such that it has at least one of an increase in acid mixing of at least 5% and an increase in volume uniformity of at least 0.01 compared to a standard solid rib separator over 60 seconds.

46. An acid-mixing rib separator having a positive electrode surface rib contour that enhances acid mixing, such that it has at least one of a 10% increase in acid mixing and an increase in volume uniformity of at least 0.02 over 60 seconds.

47. An acid-mixing rib separator having a positive electrode surface rib contour that enhances acid mixing, such that it has at least one of a 15% increase in acid mixing and an increase in volume uniformity of at least 0.03 over 60 seconds.

48. An acid-mixing rib separator having a positive electrode surface rib contour that enhances acid mixing, such that it has at least one of a 20% increase in acid mixing and an increase in volume uniformity of at least 0.035 over 60 seconds.

49. An acid-mixing rib separator having a positive electrode surface rib contour that enhances acid mixing, such that it has at least one of a 25% increase in acid mixing and an increase in volume uniformity of at least 0.04 over 60 seconds.

50. The acid-mixed ribbed separator according to any one of claims 45 to 49, wherein the separator is a negative electrode plate envelope.

51. A negative electrode plate having a positive electrode surface rib contour that enhances acid mixing, such that a 60-second mixing period results in at least one of an increase in acid mixing by at least 25% and at least 0.40 in volume uniformity. Acid-mixed rib separator for bellows.

52. An acid-mixing rib separator for a negative electrode plate envelope of a submersible lead-acid battery having a positive electrode surface rib contour that enhances acid mixing, such that a mixing time of 60 seconds results in at least one of an increase in acid mixing by at least 28% and a volume uniformity of at least 0.

41.

53. A battery comprising the separator according to any one of claims 40 to 52.

54. A vehicle comprising the battery described in claim 53.

55. The vehicle according to claim 54, wherein the battery is positioned together with the plate which is parallel to the length of the vehicle.

56. Improved lead-acid batteries such as submersible lead-acid batteries, improved systems including lead-acid batteries and / or battery separators, improved battery separators, improved vehicles including such systems, manufacture and / or use, or combinations thereof; improved submersible lead-acid batteries, improved battery separators for such batteries and / or methods for manufacturing, testing or using such improved submersible lead-acid batteries, or combinations thereof; methods, systems, batteries and / or battery separators for reducing stratification in submersible lead-acid batteries and extending battery life and performance; and combinations thereof as shown or described.

57. A separator that provides enhanced electrolyte mixing and / or acid circulation compared to conventional separators; a separator that results in reduced stratification, such as measured by the electrolyte concentrations at the top and bottom of the cell; after the cell has undergone 30, 60, 90 or more start / stop events or cycles, the concentration difference may be less than 50%, 45%, 40%, 35%, 30%, 25%, 20%, 15%, 10%, 5%, 2.5%, or 1%; after the cell has been stationary for 24, 48, 72 hours or more, the concentration difference may be less than 50%, 45%, 40%, 35%, 30%, 25%, 20%, 15%, 10%, 5%, 2.5%, or 1%; and combinations thereof as shown or described herein.