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公开(公告)号：US10052727B2
公开(公告)日：2018-08-21
申请号：US14845866
申请日：2015-09-04
IPC分类号： B23P19/02
CPC分类号： B23P19/02
摘要： A press-fitting device includes: a workpiece holding portion; a one-side pressing unit configured to press either one of a press-fitting tool and a backup tool against a workpiece in a first direction while performing three dimensional position adjustment thereon; an other-side pressing unit configured to press the other one of the press-fitting tool and the backup tool which is not pressed by the one-side pressing unit, against the workpiece in a second direction opposite to the first direction, while performing three dimensional position adjustment thereon; and a press-fitting controlling portion configured to control stroke amounts of the tools in a press-fitting direction at the time of a press-fitting operation. The press-fitting controlling portion includes a stroke manipulating portion; a displacement data storing portion; and a stroke correction portion.
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公开(公告)号：US09728808B2
公开(公告)日：2017-08-08
申请号：US15010462
申请日：2016-01-29
IPC分类号： H01M10/0562 , H01M10/052
CPC分类号： H01M10/0562 , H01M10/052 , Y02T10/7011
摘要： The main object of the present invention is to provide an all solid state battery in which compatibility between battery performance and safety is intended. The present invention attains the object by providing an all solid state battery comprising a cathode layer containing a cathode active material, an anode layer containing an anode active material, and a solid electrolyte layer formed between the cathode layer and the anode layer, containing a first sulfide solid electrolyte material, characterized in that a ratio of ion resistance of the whole all solid state battery to ion resistance of the solid electrolyte layer is 3.8 or less, and the ion resistance of the solid electrolyte layer is 7.6 Ω·cm2 or more and 16 Ω·cm2 or less.
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公开(公告)号：US11901558B2
公开(公告)日：2024-02-13
申请号：US17566054
申请日：2021-12-30
发明人： Koichi Sugiura , Nariaki Miki , Kazuki Muraishi , Kengo Matsuo
CPC分类号： H01M4/62 , C01G33/00 , H01M4/366 , H01M10/0525 , H01M4/505 , H01M4/525 , H01M2004/028
摘要： A lithium niobate with high lithium ion conductivity. Disclosed is a method for producing a lithium niobate for use in a covering layer covering at least part of a surface of cathode active material particles, the method comprising: preparing a solution containing niobium ions and lithium ions, drying the solution to obtain a lithium niobate precursor, and heating the lithium niobate precursor at a temperature of from 250° C. to 300° C. for a heating time of more than 0 minute and 10 minutes or less.
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公开(公告)号：US20220123315A1
公开(公告)日：2022-04-21
申请号：US17566054
申请日：2021-12-30
发明人： Koichi Sugiura , Nariaki Miki , Kazuki Muraishi , Kengo Matsuo
IPC分类号： H01M4/62 , H01M4/36 , H01M10/0525 , C01G33/00
摘要： A lithium niobate with high lithium ion conductivity. Disclosed is a method for producing a lithium niobate for use in a covering layer covering at least part of a surface of cathode active material particles, the method comprising: preparing a solution containing niobium ions and lithium ions, drying the solution to obtain a lithium niobate precursor, and heating the lithium niobate precursor at a temperature of from 250° C. to 300° C. for a heating time of more than 0 minute and 10 minutes or less.
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公开(公告)号：US10038215B2
公开(公告)日：2018-07-31
申请号：US14910395
申请日：2014-09-03
发明人： Koichi Sugiura , Miwako Ohashi , Masako Nita
IPC分类号： H01M10/0562 , H01M10/052 , H01M10/0525
CPC分类号： H01M10/0562 , H01M10/052 , H01M10/0525 , H01M2300/0065 , H01M2300/0068
摘要： A main object of the present invention is to provide a method for producing sulfide solid electrolytes, by which sulfide solid electrolytes whose productivity, recovery rate, and ionic conductivity are improved can be produced. The method of the present invention includes the steps of: pulverizing a mixture that is obtained by mixing a sulfide solid electrolyte containing sulfides and a single type of halides or a raw material thereof, an ether compound, and a solvent to obtain a pulverized product; and carrying out heating treatment wherein the obtained pulverized product is heated to obtain a crystallized sulfide solid electrolyte, wherein formulas “0.44≤C/(A+B+C)≤0.70” and “0.10≤B/(A+B+C)≤0.36” are satisfied, where “A [g]” denotes a weight of the sulfide solid electrolyte or the raw material thereof, “B [g]” denotes a weight of the ether compound, and “C [g]” denotes a weight of the solvent.
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公开(公告)号：US10938062B2
公开(公告)日：2021-03-02
申请号：US16220980
申请日：2018-12-14
发明人： Koichi Sugiura , Shigenori Hama , Miwako Ohashi
IPC分类号： H01M10/00 , H01M10/0562 , C03C4/14 , C03C3/32 , H01M10/052 , H01M10/0585
摘要： A method for preparing a sulfide solid electrolyte material exhibiting Li ion conductivity. The sulfide solid electrolyte material contains an organic compound having a molecular weight within a range of 30 to 300, and the organic compound is present in an amount of 0.8 wt % or less. The method includes: (i) performing mechanical milling to a mixture of a raw material composition and the organic compound to convert the raw material composition to an amorphous state, thereby synthesizing a sulfide glass; and (ii) drying the sulfide glass such that at least some of the organic compound remains in the sulfide solid electrolyte material.
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公开(公告)号：US10074854B2
公开(公告)日：2018-09-11
申请号：US15094496
申请日：2016-04-08
IPC分类号： H01M4/133 , H01M4/36 , H01M4/587 , H01M4/62 , H01M10/0525 , H01M10/0562
CPC分类号： H01M4/366 , H01M4/133 , H01M4/587 , H01M4/62 , H01M10/0525 , H01M10/0562
摘要： A main object of the present invention is to provide an anode active material capable of enhancing improvement of heat resistance in an all solid secondary battery. The present invention solves the problem by providing an anode active material comprising an active material particle having carbon as a main component, and a coating layer containing LixPOy (2≤x≤4, 3≤y≤5) and formed on a surface of the active material particle.
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公开(公告)号：US10103376B2
公开(公告)日：2018-10-16
申请号：US15298838
申请日：2016-10-20
发明人： Koichi Sugiura
IPC分类号： H01M2/34 , H01M2/26 , H01M10/0585 , H01M10/052 , H01M10/0562
摘要： A stacked all-solid-state battery includes: a stacked body including stacked power generation elements each having a cathode current collector layer and so on; and an antecedent short circuit layer arranged outside the stacked body. In the battery, at least one of the cathode current collector layer and the anode current collector layer includes a fuse portion that fuses by overcurrent, the antecedent short circuit layer includes a first metal layer, a second metal layer and an aluminum layer provided between the first and second metal layers and including an oxide film on its surface; the elements have a parallel connection to each other, and the first and second metal layers are respectively and electrically connected with the cathode and anode current collector layers.
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公开(公告)号：US10003203B2
公开(公告)日：2018-06-19
申请号：US15339429
申请日：2016-10-31
IPC分类号： H02J7/00 , H01M10/0585 , H01M10/42 , H01M10/46 , H01M10/48 , H01M10/052 , H01M10/0562 , H02J7/04
CPC分类号： H02J7/0026 , H01M10/052 , H01M10/0562 , H01M10/0585 , H01M10/4235 , H01M10/425 , H01M10/46 , H01M10/48 , H01M2010/4271 , H01M2200/20 , H01M2220/20 , H01M2300/0068 , H02J7/048 , H02J2007/0037 , Y02T10/7011
摘要： An all-solid-state secondary battery system comprising: a sealed battery having formed by housing, in an outer package, a stacked battery; a jig adapted to constrain the sealed battery in the stacking direction; one or more contact pressure sensors provided at least either between an outermost layer surface of the stacked battery and the outer package or in the inside of the stacked battery; one or more gas pressure sensors provided in a space inside the outer package; and a control device adapted to stop charging by judging as an overcharge state only when the change in contact pressure sensed by at least one of the contact pressure sensors is equal to or more than a threshold value, and the change in gas pressure sensed by at least one of the gas pressure sensors is equal to or more than the threshold value.
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