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1. 发明公开

US20240356157A1 SEPARATORS WITH FIBROUS MAT, LEAD ACID BATTERIES USING THE SAME, AND METHODS AND SYSTEMS ASSOCIATED THEREWITH 审中-公开
公开(公告)号：US20240356157A1
公开(公告)日：2024-10-24
申请号：US18735229
申请日：2024-06-06
申请人： Daramic, LLC
发明人： Eric H. Miller , Ahila Krishnamoorthy , James P. Perry , J. Kevin Whear
IPC分类号： H01M50/44 , B01D69/10 , H01M10/12 , H01M50/414 , H01M50/417 , H01M50/42 , H01M50/437 , H01M50/451 , H01M50/454 , H01M50/489 , H01M50/491
CPC分类号： H01M50/44 , B01D69/1071 , H01M10/12 , H01M50/414 , H01M50/417 , H01M50/42 , H01M50/437 , H01M50/451 , H01M50/454 , B01D2325/028 , B01D2325/0281 , B01D2325/20 , B01D2325/26 , H01M50/489 , H01M50/491
摘要： In at least one embodiment, a separator is provided with a fibrous mat for retaining the active material on an electrode of a lead-acid battery. New or improved mats, separators, batteries, methods, and/or systems are also disclosed, shown, claimed, and/or provided. For example, in at least one possibly preferred embodiment, a composite separator is provided with a fibrous mat for retaining the active material on an electrode of a lead-acid battery. In at least one possibly particularly preferred embodiment, a PE membrane separator is provided with at least one fibrous mat for retaining the active material on an electrode of a lead-acid battery. In accordance with at least certain embodiments, aspects and/or objects, the present invention, application, or disclosure may provide solutions, new products, improved products, new methods, and/or improved methods, and/or may address issues, needs, and/or problems of PAM shedding, NAM shedding, electrode distortion, active material shedding, active material loss, and/or physical separation, electrode effectiveness, battery performance, battery life, and/or cycle life, and/or may provide new battery separators, new battery technology, and/or new battery methods and/or systems that address the challenges arising from current lead acid batteries or battery systems, especially new battery separators, new battery technology, and/or new battery methods and/or systems adapted to prevent or impede the shedding of active material from the electrodes, preferably or particularly in enhanced flooded lead acid batteries, PSoC batteries, ISS batteries, ESS batteries, and/or the like.

2. 发明授权

US12051783B2 Lead-acid battery separators, electrodes, batteries, and methods of manufacture and use thereof 有权
公开(公告)号：US12051783B2
公开(公告)日：2024-07-30
申请号：US17492714
申请日：2021-10-04
申请人： Daramic, LLC
发明人： J. Kevin Whear , James P. Perry , Jeffrey K. Chambers , Larry A Spickard , John R. Timmons
IPC分类号： H01M10/12 , H01M50/403 , H01M50/411 , H01M50/417 , H01M50/431 , H01M50/434 , H01M50/449 , H01M4/02
CPC分类号： H01M10/12 , H01M50/403 , H01M50/417 , H01M50/431 , H01M50/434 , H01M50/449 , H01M2004/027 , Y02T10/70
摘要： New or improved battery separators for lead-acid batteries that include a carbon or mineral additive applied to the separator. In possibly preferred embodiments, the battery separator may include engineered carbon materials applied to the battery separator to modify sulfate crystal formation while decreasing the detrimental consequences of excessive gas evolution into the negative electrode itself. In one embodiment, a method of enhancing the lead-acid energy storage performance of a lead-acid battery may include delivering carbon to the negative active material surface of the battery separator where the carbon may effectively enhance charge acceptance and improve life cycle performance of a lead-acid battery.

3. 发明授权

US11996582B2 Separators for VRLA batteries and methods relating thereto 有权
公开(公告)号：US11996582B2
公开(公告)日：2024-05-28
申请号：US17013685
申请日：2020-09-07
申请人： Daramic, LLC
发明人： Eric H Miller , Robert W. Saffel
IPC分类号： H01M50/44 , H01M10/12 , H01M50/417 , H01M50/434 , H01M50/437 , H01M50/446 , H01M50/454 , H01M50/463 , H01M50/489 , H01M50/491
CPC分类号： H01M50/44 , H01M10/121 , H01M50/434 , H01M50/437 , H01M50/446 , H01M50/454 , H01M50/417 , H01M50/463 , H01M50/489 , H01M50/491
摘要： Improved battery separators, batteries, and systems, as well as methods relating thereto are disclosed herein for use in various lead acid batteries such as valve-regulated lead acid (VRLA) batteries that include one or more AGM layers. The improved battery separators described herein may provide a battery system with an advantage of a significantly decreased acid filling time and a significantly increased acid filling speed. Various improved batteries, methods and systems are described herein using such improved battery separators that increase acid filling speed and decrease acid filling time for a VRLA battery.

4. 发明授权

US11942655B2 Battery separators with cross ribs and related methods 有权
公开(公告)号：US11942655B2
公开(公告)日：2024-03-26
申请号：US17089428
申请日：2020-11-04
申请人： Daramic, LLC
发明人： Eric H. Miller , J. Kevin Whear
IPC分类号： H01M50/44 , H01M50/417 , H01M50/449 , H01M50/463 , H01M10/06 , H01M50/466 , H01M50/489 , H01M50/491
CPC分类号： H01M50/44 , H01M50/417 , H01M50/449 , H01M50/463 , H01M10/06 , H01M50/466 , H01M50/489 , H01M50/491 , Y10T29/49108
摘要： A separator for a lead acid battery is a porous membrane having a positive electrode face and a negative electrode face. A plurality of longitudinally extending ribs, a plurality of protrusions or a nonwoven material may be disposed upon the positive electrode face. A plurality of transversely extending ribs are disposed upon the negative electrode face. The transverse ribs disposed upon the negative electrode face are preferably juxtaposed to a negative electrode of the lead acid battery, when the separator is placed within that battery.

5. 发明公开

US20240059896A1 BATTERIES, SEPARATORS, COMPONENTS, AND COMPOSITIONS WITH HEAVY METAL REMOVAL CAPABILITY AND RELATED METHODS 审中-公开
公开(公告)号：US20240059896A1
公开(公告)日：2024-02-22
申请号：US18385832
申请日：2023-10-31
申请人： Daramic, LLC
发明人： Jeffrey K. Chambers , Tejas R. Shah
IPC分类号： C08L89/00 , H01M10/10 , H01M50/446
CPC分类号： C08L89/00 , H01M10/10 , H01M50/446
摘要： In accordance with at least certain embodiments of the present invention, a novel concept of utilizing PIMS minerals as a filler component within a microporous lead-acid battery separator is provided. In accordance with more particular embodiments or examples, the PIMS mineral (preferably fish meal, a bio-mineral) is provided as at least a partial substitution for the silica filler component in a silica filled lead acid battery separator (preferably a polyethylene/silica separator formulation). In accordance with at least selected embodiments, the present invention is directed to new or improved batteries, separators, components, and/or compositions having heavy metal removal capabilities and/or methods of manufacture and/or methods of use thereof.

6. 发明授权

US11705582B2 Separators for flat plate batteries, improved batteries, and related methods 有权
公开(公告)号：US11705582B2
公开(公告)日：2023-07-18
申请号：US16886805
申请日：2020-05-29
申请人： Daramic, LLC
发明人： Surendra Kumar Mittal , Naveen Prabhu Shanmugam , J. Kevin Whear , Eric H. Miller
IPC分类号： H01M10/12 , H01M50/446 , H01M50/466
CPC分类号： H01M10/12 , H01M50/446 , H01M50/466
摘要： An exemplary hybrid battery separator is provided with a porous sheet with a folded bottom edge and joined lateral edges that form a pocket. The folded bottom edge may have one or more openings or slits. The hybrid separators of the present disclosure are particularly useful for flat-plate cycling batteries. The separators of the present disclosure may effectively enhance the battery re-chargeability and the backup time. In addition, the separators of the present disclosure may contribute to the reduction of water loss in the battery, lowering the maintenance needs in service. It is expected that batteries having the separators of the present disclosure may be useful in various applications, such as in inverters, golf carts, as well as solar and traction applications.

7. 发明公开

US20230155247A1 METHOD OF MAKING A MICROPOROUS MATERIAL 审中-公开
公开(公告)号：US20230155247A1
公开(公告)日：2023-05-18
申请号：US18099919
申请日：2023-01-21
申请人： Daramic, LLC
发明人： Eric H. Miller , Joseph G. Yaritz , Mark T. Demeuse , J. Kevin Whear
IPC分类号： H01M50/446 , B29C48/00 , B29C48/08 , B01D67/00 , B01D71/26 , C08J5/18 , C08L23/06 , H01M50/403 , H01M50/434 , H01M50/489 , H01M50/494 , H01M50/491 , H01M50/463 , H01M50/431 , B29C67/20 , B29B7/90 , B29C70/58 , C08K3/36 , H01M8/1051 , H01M10/0525 , H01M10/06
CPC分类号： H01M50/446 , B29C48/0011 , B29C48/08 , B29C48/0018 , B29C48/022 , B01D67/0027 , B01D67/003 , B01D71/26 , C08J5/18 , C08L23/06 , H01M50/403 , H01M50/434 , H01M50/489 , H01M50/494 , H01M50/491 , H01M50/463 , H01M50/431 , B29C67/202 , B29B7/90 , B29C70/58 , C08K3/36 , H01M8/1051 , H01M10/0525 , H01M10/06 , Y10T428/249986 , Y10T428/249978 , Y10T428/249979 , H01M8/0289
摘要： A method for producing a microporous material comprising the steps of: providing an ultrahigh molecular weight polyethylene (UHMWPE); providing a filler; providing a processing plasticizer; adding the filler to the UHMWPE in a mixture being in the range of from about 1:9 to about 15:1 filler to UHMWPE by weight; adding the processing plasticizer to the mixture; extruding the mixture to form a sheet from the mixture; calendering the sheet; extracting the processing plasticizer from the sheet to produce a matrix comprising UHMWPE and the filler distributed throughout the matrix; stretching the microporous material in at least one direction to a stretch ratio of at least about 1.5 to produce a stretched microporous matrix; and subsequently calendering the stretched microporous matrix to produce a microporous material which exhibits improved physical and dimensional stability properties over the stretched microporous matrix.

8. 发明申请

US20220238957A1 SEPARATORS, LEAD ACID BATTERIES, AND METHODS AND SYSTEMS ASSOCIATED THEREWITH 有权
公开(公告)号：US20220238957A1
公开(公告)日：2022-07-28
申请号：US17723466
申请日：2022-04-19
申请人： DARAMIC, LLC
发明人： J. Kevin Whear , Mohammed Naiha
IPC分类号： H01M50/446 , H01M50/44 , H01M50/463 , H01M10/06
摘要： A separator is provided with a novel construction and/or a combination of improved properties. Batteries, methods, and systems associated therewith are also provided. In certain embodiments, novel or improved separators, battery separators, enhanced flooded battery separators, batteries, cells, and/or methods of manufacture and/or use of such separators, battery separators, enhanced flooded battery separators, cells, and/or batteries are provided. In addition, there is disclosed herein methods, systems, and battery separators having a reduced ER, improved puncture strength, improved separator CMD stiffness, improved oxidation resistance, reduced separator thickness, reduced basis weight, and any combination thereof. In accordance with at least certain embodiments, separators are provided in battery applications for flat-plate batteries, tubular batteries, vehicle SLI, and HEV ISS applications, deep cycle applications, golf car or golf cart, and e-rickshaw batteries, batteries operating in a partial state of charge (“PSOC”), inverter batteries; and storage batteries for renewable energy sources, and any combination thereof.

9. 发明申请

US20220158305A1 IMPROVED Z WRAP SEPARATORS, CELLS, SYSTEMS, BATTERIES, AND RELATED EQUIPMENT AND METHODS 有权
公开(公告)号：US20220158305A1
公开(公告)日：2022-05-19
申请号：US17423110
申请日：2020-01-16
申请人： Daramic, LLC
发明人： Baiju Parasuraman , Ahila Krishnamoorthy , Naveen Prabhu Shanmugam , Sankara Valli T. Nayagam , Marimuthu Elangovan , Santanu Chatterjee
IPC分类号： H01M50/466 , H01M50/417 , H01M10/12
摘要： New, improved or optimized battery separators, Z wrap separators, Z wrap serrated rib separators, Z wrap serrated rib separators for tubular batteries, components, cells, modules, systems, batteries, tubular batteries, industrial batteries, inverter batteries, batteries for heavy or light industrial applications, forklift batteries, float charged batteries, inverters, accumulators, methods, profiles, additives, compositions, composites, mixes, coatings, and/or related methods of Z wrapping separators, Z wrapping separators on electrodes of tubular batteries, water retention, water loss prevention, improved charge acceptance, production, use, and/or related Z wrapping equipment, and/or combinations thereof. More particularly, the present invention is directed to one or more improved battery separators having various improvements that may result in automated separator Z wrapping, automated Z wrapped cell module production, automated tubular battery production, decreased water loss for a battery in which such a separator is incorporated, enhanced charge acceptance, or combinations thereof. Additionally, the present invention relates to one or more improved battery separators having various improvements with regard to shape, and/or physical profile, and/or chemical(s), additives, mixes, coatings, and/or the like used to make such battery separators (such as oil(s), and/or chemical additive(s) or agents used to coat, finish or improve such battery separators (such as surfactant(s))). Furthermore, the present invention relates to one or more one or more improved separator configurations, Z wrap cell modules, Z wrap tubular electrodes or z wrap gauntlet covered tubular electrodes, and/or battery electrode and separator assembly configurations providing for automation, better acid mixing and/or reduced acid stratification over prior sleeves, pockets, or envelope separator configurations, improved battery electrode and separator assembly configurations and/or manufacturing methods and/or manufacturing equipment. The improved Z wrap battery separators of the instant invention are particularly useful in or with tubular batteries, industrial batteries, such as inverter batteries, batteries for heavy or light industry, and/or the like.

10. 发明授权

US11316231B2 Battery separators with improved conductance, improved batteries, systems, and related methods 有权
公开(公告)号：US11316231B2
公开(公告)日：2022-04-26
申请号：US16328043
申请日：2017-09-01
申请人： Daramic, LLC
发明人： Eric H. Miller , Nicholas R. Shelton , William L. Walter
IPC分类号： H01M2/18 , H01M50/403 , H01M10/06 , H01M50/411 , H01M50/446 , H01M50/449 , H01M50/463 , H01M10/12
摘要： In accordance with at least selected embodiments, the present disclosure or invention is directed to improved battery separators, high conductance separators, improved lead-acid batteries, such as flooded lead-acid batteries, high conductance batteries, improved systems, and/or, improved vehicles including such batteries, and/or methods of manufacture or use of such separators or batteries, and/or combinations thereof. In accordance with at least certain embodiments, the present disclosure or invention is directed to improved lead acid batteries incorporating the improved separators and which exhibit increased conductance. Particular, non-limiting examples may include lead acid battery separators having structure or features designed to improve conductance, lower ER, lower water loss, and the like.

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