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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：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：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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公开(公告)号：US20220384852A1
公开(公告)日：2022-12-01
申请号：US17771709
申请日：2020-09-29
IPC分类号： H01M10/0585 , H01M50/105
摘要： Provided are a laminated battery capable of suppressing a level drop of an electrolyte caused by expansion of a negative electrode active material during discharge, and a manufacturing method for the laminated battery.
An enclosure member of the laminated battery is constituted by affixing a first resin film and a second resin film to each other, and a separator is arranged inside the enclosure member between a positive electrode (for example, a first electrode) and a negative electrode (for example, a second electrode). A peripheral edge portion of the separator is fixed to a peripheral edge portion of the enclosure member (the first resin film or the second resin film).-
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：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：US20220416332A1
公开(公告)日：2022-12-29
申请号：US17771252
申请日：2020-09-16
IPC分类号： H01M50/102 , H01M50/463 , H01M12/06
摘要： Provided is a laminate battery in which a short circuit between a negative electrode active material and a positive electrode due to expansion of the negative electrode active material during discharging is prevented.
A laminate battery includes a battery case that serves as an outer case. The laminate battery includes an inner case within a battery case 11, and the inner case is formed of a positive electrode storage case and a separator. An inside of the inner case serves as a positive electrode storage portion that stores a positive electrode. An outside of the inner case serves as a negative electrode storage portion that stores a negative electrode. The negative electrode uses a particulate negative electrode active material (e.g., zinc or zinc oxide).-
公开(公告)号：US20220247016A1
公开(公告)日：2022-08-04
申请号：US17612146
申请日：2020-05-12
发明人： SHUNSUKE SATA , HIROTAKA MIZUHATA , TOMO KITAGAWA , TOYOKA AIMOTO
IPC分类号： H01M12/06 , H01M12/08 , H01M50/191 , H01M50/197
摘要： Provided is a metal-air cell whose electrolytic solution is kept from leaking from an outer pouch housing an electrode. Hence, the metal-air cell excels in reliability and safety. The metal-air cell includes a negative electrode and a positive electrode each including a lead. The lead includes a sealing member provided to an outer face of the lead. The outer pouch includes a fusing portion in which the sealing member and the lead are held and fused together. The fusing portion seals the outer pouch. The sealing member includes an adhesive layer covering the lead inside the outer pouch.
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公开(公告)号：US20210313660A1
公开(公告)日：2021-10-07
申请号：US17272211
申请日：2019-07-16
IPC分类号： H01M50/536 , H01M12/08 , H01M50/572
摘要： A metal-air battery module includes a unit assembly having a plurality of battery units coupled using first couplers. Each battery unit has a metal-air battery cell held by a sheet. In the unit assembly, two of the metal-air battery cells adjacent to each other are arranged in such a manner that a negative-electrode terminal and an air-electrode terminal face each other, and the facing terminals are connected together to form a pair of connected terminals. In the pair of connected terminals, the negative-electrode terminal and the air-electrode terminal are connected through welding or other methods.
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公开(公告)号：US20200006829A1
公开(公告)日：2020-01-02
申请号：US16490272
申请日：2018-03-13
摘要： A method for producing an air electrode includes a kneading step of kneading an oxygen reduction catalyst, a conductive auxiliary agent, and a water-repellent resin (binder) in a water solvent; and a rolling step of rolling with a roller the kneaded product produced in the kneading step. The rolling step includes rolling the kneaded product with the roller several times in many directions (at least two or more different rolling directions). In the formed air electrode, the water-repellent resin is fiberized in the air electrode, and the fibers thereof are oriented in many directions to form a netlike shape.
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