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公开(公告)号：EP3389117B1
公开(公告)日：2020-07-15
申请号：EP18176562.9
申请日：2010-10-18
申请人： Daramic, LLC
发明人： WHEAR, J. Kevin , MILLER, Eric H.
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2.发明公开
公开(公告)号：EP3360177A1
公开(公告)日：2018-08-15
申请号：EP16854435.1
申请日：2016-10-07
申请人： Daramic LLC
发明人： MILLER, Eric H. , GOLOVIN, M. Neal , KRISHNAMOORTHY, Ahila , HOWARD, Matthew , PERRY, James P. , WHEAR, J. Kevin
CPC分类号： H01M10/12 , H01M2/1646 , H01M2/166 , H01M2/18 , H01M10/08 , H01M2220/20 , Y02E60/126
摘要： Improved battery separators are disclosed herein for use in flooded lead- acid batteries, and in particular enhanced flooded lead-acid batteries. The improved separators disclosed herein provide for enhanced electrolyte mixing and substantially reduced acid stratification. The improved flooded lead-acid batteries may be advantageously employed in applications in which the battery remains in a partial state of charge, for instance in start/ stop vehicle systems. Also, improved lead-acid batteries, such as flooded lead-acid batteries, improved systems that include a lead-acid battery and a battery separator, improved battery separators, improved vehicles including such systems, and/ or methods of manufacture and/ or use may be provided.
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公开(公告)号：EP4460859A1
公开(公告)日：2024-11-13
申请号：EP23756769.8
申请日：2023-02-07
申请人： Daramic, LLC
发明人： WHEAR, Kevin J. , MILLER, Eric H. , GOODBY, Andrew , ROBERTS, Margaret , ALEXANDER, Daniel R. , VERDERAME, Anna
IPC分类号： H01M8/1041 , H01M8/1067 , H01M8/106 , H01M8/1062 , H01M8/1065 , H01M8/1086 , H01M8/18
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公开(公告)号：EP4052320A1
公开(公告)日：2022-09-07
申请号：EP20880607.5
申请日：2020-10-27
申请人： Daramic, LLC
发明人： MILLER, Eric H.
IPC分类号： H01M10/06
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公开(公告)号：EP4133137A1
公开(公告)日：2023-02-15
申请号：EP21808297.2
申请日：2021-05-14
申请人： Daramic, LLC
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公开(公告)号：EP3466670A1
公开(公告)日：2019-04-10
申请号：EP18201395.3
申请日：2005-11-22
申请人： Daramic, LLC
摘要： A process for producing a microporous membrane, comprising the steps: providing a polyolefin comprising an ultrahigh molecular weight polyethylene, a low density polyethylene, a high density polyethylene, a polypropylene, or any combination thereof; providing a particulate filler; providing a processing plasticizer; mixing the polyolefin, filler and processing plasticizer together to form a mixture having a weight ratio of filler to polyolefin of 1:9 to 15:1 by weight; extruding the mixture to form a sheet; processing the sheet where processing is selected from the group consisting of: calendering, casting and blowing; extracting all or part of the processing plasticizer from the sheet to produce a matrix comprising the polyolefin and the particulate filler, the filler being distributed throughout the matrix, to produce a microporous matrix sheet; stretching the microporous matrix sheet in at least one stretching direction to produce a stretched microporous matrix sheet; calendering the stretched microporous matrix sheet to produce a microporous membrane.
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公开(公告)号：EP3440725A2
公开(公告)日：2019-02-13
申请号：EP17779925.1
申请日：2017-04-07
申请人： Daramic LLC
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公开(公告)号：EP3389117A1
公开(公告)日：2018-10-17
申请号：EP18176562.9
申请日：2010-10-18
申请人： Daramic, LLC
发明人： WHEAR, J. Kevin , MILLER, Eric H.
摘要： A separator for a lead acid battery is a porous membrane having a porous backweb with a first surface and a second surface. A plurality of longitudinally extending ribs is disposed upon said first surface and a plurality of transversely extending ribs being disposed upon said second surface. Said transversely extending ribs have a wavy rib pattern.
A lead acid battery comprises a housing containing a positive electrode spaced apart from a negative electrode with said lead acid battery separator disposed between said positive electrode and said negative electrode and an electrolyte in ionic communication between said positive electrode and said negative electrode. Said first surface is adjacent to said positive electrode and said second surface is adjacent to said negative electrode.
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