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公开(公告)号：US10381171B2
公开(公告)日：2019-08-13
申请号：US15041861
申请日：2016-02-11
发明人： Hiromi Sato , Tomofumi Akiba , Shinji Ishii , Katsunori Yokoshima
摘要： An electric storage cell has an electric storage element and a covering body. The covering body houses the electric storage element and has a metal layer with a first principal face on the electric storage element side and a second principal face on the opposite side, an internal resin layer made of resin laminated onto the first principal face, and an external resin layer made of resin laminated onto the second principal face, with a groove part formed on the second principal face side of the metal layer. The above structures provides a highly reliable electric storage cell, covering film, and electric storage module capable of releasing the rising internal pressure safely in the event of abnormality.
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公开(公告)号：US10553369B2
公开(公告)日：2020-02-04
申请号：US15475078
申请日：2017-03-30
摘要： An electric storage cell has an electric storage element and a covering film package. The covering film package houses the electric storage element and includes: a metal layer having a first principle face on the electric storage element side and a second principle face on the opposite side of the first principle face, an internal resin layer laminated to the first principle face, and an external resin layer laminated to the second principle face, with a slit formed in the external resin layer; wherein the contact area further includes a non-seal area between the seal area and the electric storage element as viewed from above, wherein the seal area has a projecting area that penetrates into the non-seal area, and the slit is provided between the projecting area and the electric storage element as viewed from above.
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公开(公告)号：US10601009B2
公开(公告)日：2020-03-24
申请号：US15475063
申请日：2017-03-30
发明人： Takayuki Tsuchiya , Hiromi Sato , Shinji Ishii
IPC分类号： H01M2/12 , H01M2/02 , H01G11/74 , H01G11/82 , H01G11/78 , H01M4/587 , H01M10/0525 , H01G11/12
摘要： An electric storage cell has an electric storage element and a covering film package. The covering film package houses the electric storage element and includes: a metal layer having a first principle face on the electric storage element side and a second principle face on the opposite side of the first principle face, an internal resin layer made of synthetic resin and laminated to the first principle face, and an external resin layer made of synthetic resin and laminated to the second principle face, with a slit formed at least in the external resin layer.
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公开(公告)号：US10403871B2
公开(公告)日：2019-09-03
申请号：US15475067
申请日：2017-03-30
发明人： Takayuki Tsuchiya , Hiromi Sato , Shinji Ishii
IPC分类号： H01M2/12 , H01G11/14 , H01G11/58 , H01M2/10 , H01M10/0566 , H01M2/02 , H01G11/78 , H01G11/06 , H01M10/0525
摘要： An electric storage cell has an electric storage element and a covering film package. The covering film package houses the electric storage element and includes: a metal layer having a first principle face on the electric storage element side and a second principle face on the opposite side of the first principle face, an internal resin layer made of synthetic resin and laminated to the first principle face, and an external resin layer made of synthetic resin and laminated to the second principle face, with a slit formed at least in the external resin layer; wherein a stress mitigation part to mitigate any stress that tries to separate the internal resin layers that are contacting each other, and a stress concentration part where this stress concentrates, are provided between the slit and the electric storage element.
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