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公开(公告)号：US20230344039A1
公开(公告)日：2023-10-26
申请号：US18014426
申请日：2021-06-24
IPC分类号： H01M12/08
CPC分类号： H01M12/08
摘要： As a method of manufacturing a metal-air battery, a first step is included of stacking an exterior body (e.g., first resin film 11), a water-repellent film (14), and a positive electrode (e.g., air electrode 15) in the stated order. The first step includes: a fusing step of fusing the exterior body and the water-repellent film (14); and a compression step of compressing the water-repellent film (14) and the positive electrode. The fusing step fuses the exterior body and the water-repellent film (14). After the first step, a portion of the exterior body is removed from inside the fusing portion (141) formed in the fusing step, to form an opening (e.g., air inlet 111) in the exterior body.
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公开(公告)号：US20220294053A1
公开(公告)日：2022-09-15
申请号：US17672170
申请日：2022-02-15
摘要： A metal-air battery includes a metal negative electrode, an air electrode, and a spacer interposed between the metal negative electrode and the air electrode 5. The spacer is composed of grip-shaped frameworks extended in a three-dimensional direction, and an electrolytic solution for filling a space between the frameworks.
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公开(公告)号：US20210098843A1
公开(公告)日：2021-04-01
申请号：US17044703
申请日：2019-04-11
IPC分类号： H01M12/06 , H01M12/08 , H01M50/121 , H01M50/183 , H01M50/543 , H01M4/62 , H01M50/533
摘要： A metal-air battery comprises a casing including a first surface having breathability and second surface different from the first surface; and a positive electrode housed in the casing, a negative electrode housed in the casing, a positive-electrode terminal electrically connected to the positive electrode and exposed from the casing, a negative-electrode terminal electrically connected to the negative electrode and exposed from the casing, and an adhesive layer containing an adhesive and provided on a portion of the second surface.
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公开(公告)号：US20200243937A1
公开(公告)日：2020-07-30
申请号：US16636748
申请日：2018-07-31
发明人： MASAKI KAGA , HIROTAKA MIZUHATA , SHINOBU TAKENAKA
摘要： A metal-air cell comprises a negative electrode, a negative electrode case housing the negative electrode, sealed while a lead of the negative electrode extends from the negative electrode case, including a separator that forms at least part of the negative electrode case, an air electrode facing the negative electrode across the separator, and a cell case housing the negative electrode case and the air electrode and sealed while the lead of the negative electrode expands from the cell case and a lead of the air electrode expands from the cell case.
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公开(公告)号：US20190356031A1
公开(公告)日：2019-11-21
申请号：US16479362
申请日：2018-01-31
摘要： A metal-air battery includes a metal negative electrode (12), an oxygen-generating electrode placed on a surface of the metal negative electrode, and an air electrode placed on another surface of the metal negative electrode. The metal negative electrode includes at least a negative electrode active material layer facing the oxygen-generating electrode. A first separator placed in contact with the negative electrode active material layer is placed between the negative electrode active material layer and the oxygen-generating electrode.
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公开(公告)号：US20210376334A1
公开(公告)日：2021-12-02
申请号：US17245655
申请日：2021-04-30
发明人： HIROYUKI HIRAKAWA , HIROYUKI YAMAJI , MAI TAKASAKI , FUMITOSHI SUGINO , HIROTAKA MIZUHATA , SHINOBU TAKENAKA
摘要： A metal-air battery 1 includes an air electrode and a negative electrode. The negative electrode includes a collector carrying an active material thereon. The collector is formed by bending a plate with through holes in a wavy way, and a bending height of the collector in a thickness direction of the negative electrode is larger than a thickness of the plate.
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公开(公告)号：US20210159561A1
公开(公告)日：2021-05-27
申请号：US17099538
申请日：2020-11-16
发明人： MAI TAKASAKI , KEIGO MITAMURA , HIROYUKI YAMAJI , FUMITOSHI SUGINO , HIROTAKA MIZUHATA , AKIHITO YOSHIDA
摘要： An air electrode includes a current collector, a catalyst layer, and a water repellent membrane provided in this order. The catalyst layer has a first face in contact with either one of the current collector and the water repellent membrane, a second face in contact with either other of the current collector or the water repellent membrane, and a plurality of through holes, through which the first face and the second face communicate with each other. The through holes each have a constriction with an inner diameter smaller than either of an opening diameter in the first face and an opening diameter in the second face.
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公开(公告)号：US20210043942A1
公开(公告)日：2021-02-11
申请号：US16965892
申请日：2019-01-23
摘要： In a metal negative electrode, a current collector includes a through-hole or a recess provided to extend from a front surface of a planar plate toward a back surface of the planar plate. A distance from a midpoint of a joining boundary to a point on a surface of the current collector is designated as a region dividing distance, the point defining a distance less than a maximum distance between the midpoint and a side or a surface of the current collector. In the current collector, a first region is a region defined by distances from the midpoint, the distances being a distance equal to the region dividing distance and distances greater than the region dividing distance, and, in the current collector, a second region is a region defined by distances from the midpoint that are less than the region dividing distance. A volume reduction ratio of the first region is greater than a volume reduction ratio of the second region, the volume reduction ratio of the first region being a ratio with respect to a volume of the first region determined assuming that the through-hole or the recess is not present, the volume reduction ratio of the second region being a ratio with respect to a volume of the second region determined assuming that the through-hole or the recess is not present.
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公开(公告)号：US20200266423A1
公开(公告)日：2020-08-20
申请号：US16652962
申请日：2018-09-26
摘要： In a battery casing a metal negative electrode that contains metal serving as a negative electrode active material and an air electrode are arranged so as to face each other in a state where at least a part of the metal negative electrode and the air electrode is immersed in an electrolytic solution inside a casing. The metal negative electrode is housed in a negative electrode housing in the casing. A separator separating the metal negative electrode and the air electrode is arranged at a side surface of the negative electrode housing. An opening through which inside of the negative electrode housing and outside of the negative electrode housing communicate with each other is provided on an upper surface of the negative electrode housing.
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公开(公告)号：US20230080100A1
公开(公告)日：2023-03-16
申请号：US17801205
申请日：2020-10-20
摘要： A metal-air battery from which leakage of an electrolytic solution is reduced is provided. The metal-air battery includes: a positive electrode including: a current collector; and a catalyst layer formed on the current collector and capable of reducing oxygen; a negative electrode disposed to face the positive electrode; an exterior body housing a stacked portion including the positive electrode and the negative electrode, and having an opening formed to open to the positive electrode; an electrolyte disposed inside the exterior body; and a water-repellent film covering the opening, including a joint portion joined to the exterior body, and transparent to oxygen. The catalyst layer includes a portion positioned between the joint portion and the current collector.
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