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公开(公告)号：US10763478B2
公开(公告)日：2020-09-01
申请号：US16241344
申请日：2019-01-07
发明人： Kunihiko Hayashi
IPC分类号： H01M2/12 , H01M10/0525 , H01M10/0587 , H01M2/16 , H01M4/131 , H01M4/133 , H01M4/62 , H01M10/0566 , H01M4/02
摘要： The present invention provides a nonaqueous electrolyte secondary battery having high safety to reliably prevent the progress of successive heat generation when battery temperature rises caused by abnormalities such as internal short-circuits. The nonaqueous electrolyte secondary battery disclosed herein is provided with an electrode body 20 in which a sheet-shaped positive electrode 50 and a sheet-shaped negative electrode 60 oppose each other across separators 70. In the nonaqueous electrolyte secondary battery disclosed herein, the peel strength of a boundary A between each separator 70 and a positive electrode mix layer 54 is greater than the peel strength of a boundary B between the positive electrode mix layer 54 and a positive electrode collector 52. As a result, the progress of successive heat generation derived from an increase in reaction heat can be prevented by causing the positive electrode mix layer 54 to peel off the positive electrode collector 52 accompanying thermal deformation of the separators 70 when battery temperature rises for instance due to an internal short-circuit.
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公开(公告)号：US20190277184A1
公开(公告)日：2019-09-12
申请号：US16239583
申请日：2019-01-04
发明人： Yoichi OGURA , Kunihiko Hayashi , Yuji Miyoshi , Masatoshi Yano , Yu Ofune
IPC分类号： F01P7/16 , B60K11/02 , H01M10/625 , H01M10/613 , B60W20/00
摘要： A temperature control apparatus of a vehicle of the invention flows a cooling medium in an engine circulation circuit and a battery circulation circuit and an activation of an engine heat exchanging system so as not to perform an engine heat exchanging when an engine temperature is lower than an engine warming end temperature and a battery temperature is lower than a predetermined battery temperature lower than a battery warming end temperature, and flows the cooling medium in the engine circulation circuit and the battery circulation circuit and the activation of the engine heat exchanging system so as to perform the engine heat exchanging when the engine temperature is lower than the engine warming end temperature, and the battery temperature is equal to or higher than the predetermined battery temperature.
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公开(公告)号：US10808599B2
公开(公告)日：2020-10-20
申请号：US16239583
申请日：2019-01-04
发明人： Yoichi Ogura , Kunihiko Hayashi , Yuji Miyoshi , Masatoshi Yano , Yu Ofune
IPC分类号： F01P7/16 , B60K11/02 , H01M10/625 , H01M10/613 , B60W20/00
摘要： A temperature control apparatus of a vehicle of the invention flows a cooling medium in an engine circulation circuit and a battery circulation circuit and an activation of an engine heat exchanging system so as not to perform an engine heat exchanging when an engine temperature is lower than an engine warming end temperature and a battery temperature is lower than a predetermined battery temperature lower than a battery warming end temperature, and flows the cooling medium in the engine circulation circuit and the battery circulation circuit and the activation of the engine heat exchanging system so as to perform the engine heat exchanging when the engine temperature is lower than the engine warming end temperature, and the battery temperature is equal to or higher than the predetermined battery temperature.
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公开(公告)号：US11358436B2
公开(公告)日：2022-06-14
申请号：US16816265
申请日：2020-03-12
发明人： Hidefumi Aikawa , Manabu Orihashi , Yoshio Hasegawa , Takashi Ogawa , Yuji Miyoshi , Kunihiko Hayashi
摘要： A vehicle-mounted temperature controller includes a low temperature circuit and a refrigeration circuit. The low temperature circuit has a heat generating equipment heat exchanger exchanging heat with heat generating equipment, a radiator, a first heat exchanger, and a three-way valve. The refrigeration circuit has a second heat exchanger discharging heat from the refrigerant to a high temperature circuit to make the refrigerant condense, and the first heat exchanger making the refrigerant absorb heat from the cooling water to make the refrigerant evaporate. The low temperature circuit includes a first partial circuit through which the cooling water flows through the radiator and the first heat exchanger, and a second partial circuit through which the cooling water flows through the heat generating equipment heat exchanger without passing through the radiator and the first heat exchanger. The cooling water circulates simultaneously and separately at these first partial circuit and second partial circuit.
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公开(公告)号：US10906387B2
公开(公告)日：2021-02-02
申请号：US16384935
申请日：2019-04-16
发明人： Takuya Hirai , Yuji Miyoshi , Tomohiro Shinagawa , Masatoshi Yano , Hiroyuki Sugihara , Ryo Michikawauchi , Kunihiko Hayashi , Yoichi Ogura , Hidefumi Aikawa , Yu Ofune
摘要： A cooling apparatus of a vehicle driving system of the invention connects an engine water circulation passage to a hybrid system water circulation passage and flows cooling water in the engine water circulation passage and the hybrid system water circulation passage to cool a first hybrid system component by the cooling water cooled by an engine radiator and cool a second hybrid system component by the cooling water cooled by a hybrid system radiator when an engine cooling process is not requested, a first hybrid system cooling process is requested, a second hybrid system cooling process is requested, and a connection condition is satisfied. The connection condition is satisfied when the engine cooling process is not requested, and the cooling water flowing into the hybrid system water circulation passage from the engine water circulation passage, can cool the first hybrid system component.
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公开(公告)号：US11605831B2
公开(公告)日：2023-03-14
申请号：US16897544
申请日：2020-06-10
发明人： Kunihiko Hayashi
IPC分类号： H01M10/0525 , H01M10/0566 , H01M10/0587 , H01M4/62 , H01M10/0585 , H01M4/02
摘要： Provided is a non-aqueous electrolyte secondary battery that can be produced while mixing at an interface between a positive electrode active material layer and a heat resistant layer is restricted even if a positive electrode slurry and a heat resistant layer slurry are simultaneously applied. The non-aqueous electrolyte secondary battery disclosed here includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector, a positive electrode active material layer formed on the positive electrode current collector, and a heat resistant layer which is formed on the positive electrode current collector and is adjacent to the positive electrode active material layer. The positive electrode active material layer contains a positive electrode active material. The positive electrode active material is porous particles in which primary particles are aggregated. The positive electrode active material has a dibutyl phthalate oil absorption of 26.5 mL/100 g or more and 45.0 mL/100 g or less. The heat resistant layer contains an inorganic filler. A ratio of a tap density of the positive electrode active material to a tap density of the inorganic filler is 1.32 or more and 2.44 or less.
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公开(公告)号：US11456489B2
公开(公告)日：2022-09-27
申请号：US17240208
申请日：2021-04-26
发明人： Kunihiko Hayashi
IPC分类号： H01M50/414 , H01M50/411 , H01M50/449 , H01M10/0587 , H01M10/0525 , H01M10/04 , H01M50/40
摘要： The present invention provides a technology that allows supplying stably a nonaqueous electrolyte secondary battery having a high capacity retention rate and being excellent in resistance to deterioration. The nonaqueous electrolyte secondary battery disclosed herein is provided with a wound electrode body resulting from winding a stack 10 having a stacking of a positive electrode 50 and a negative electrode 60 across separators 70. The positive electrode 50 has a foil-shaped positive electrode collector 52 and a positive electrode mix layer 54. Each separator 70 has a resin substrate layer 72 and a heat resistance layer 74. In the nonaqueous electrolyte secondary battery disclosed herein, the peel strength of a boundary between the resin substrate layer and the heat resistance layer is 16 N/m or more and 155 N/m or less, and the density of the positive electrode mix layer is 2.3 g/cc or more and 2.6 g/cc or less. In this the nonaqueous electrolyte secondary battery, sufficient flexibility of the stack 10 as a whole can be secured even when using high-peel strength separators 70 in order to increase resistance to deterioration. Drops in production efficiency can be suitably suppressed as a result.
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公开(公告)号：US11223068B2
公开(公告)日：2022-01-11
申请号：US16590658
申请日：2019-10-02
发明人： Kunihiko Hayashi , Shun Okuda
IPC分类号： H01M10/0587 , H01M10/0583 , H01M4/04 , H01M4/70 , H01M4/62 , H01M50/538
摘要： Provided is a manufacturing method of a compacted strip-shaped electrode plate including: an undried layer forming step of forming, on a current collector foil, a strip-shaped undried active material layer by rolling out a particle aggregate; a drying step of drying the undried active material layer to form an active material layer; and a pressing step of pressing the active material layer by rollers to compact the active material layer. The particle aggregate is a mixed particle aggregate in which first wet particles manufactured with the content ratio of conductive particles to the total solid content set to W1 and second wet particles manufactured with the content ratio of conductive particles to the total solid content set to W2, W2 being higher than W1, are mixed together.
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公开(公告)号：US11148655B2
公开(公告)日：2021-10-19
申请号：US16283825
申请日：2019-02-25
发明人： Yoichi Ogura , Kunihiko Hayashi , Yuji Miyoshi , Masatoshi Yano , Yu Ofune
IPC分类号： B60W20/20 , B60W20/00 , B60K6/40 , B60L58/26 , B60L58/27 , B60K6/28 , B60K6/26 , B60K6/24 , F01P3/20 , B60K11/02
摘要： A temperature control apparatus of a vehicle according to the invention stops activating a heat pump and supplies heat exchanging liquid from an engine passage to a battery passage when a warming of the battery is requested and a temperature of the heat exchanging liquid flowing out of the engine passage is equal to or lower than a permitted upper limit temperature. On the other hand, the apparatus activates the heat pump to cool the heat exchanging liquid and supplies the cooled heat exchanging liquid from the engine passage to the battery passage when the warming of the battery is requested and the temperature of the heat exchanging liquid flowing out of the engine passage is higher than the permitted upper limit temperature.
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10.发明申请公开(公告)号：US20190190017A1
公开(公告)日：2019-06-20
申请号：US16214521
申请日：2018-12-10
发明人： Kunihiko Hayashi
IPC分类号： H01M4/36 , H01M10/0525 , H01M4/62
CPC分类号： H01M4/366 , H01M4/625 , H01M10/0525
摘要： Active material particles, a conductive material, a binder, and a solvent are mixed to prepare composite particles. The composite particles are mixed with metal short fibers to make the metal short fibers adhere to surfaces of the composite particles. After the adhesion of the metal short fibers, the composite particles are brought together and compacted to produce an electrode for electric storage devices. Each of the composite particles contains at least the active material particles, the conductive material, and the binder. The total content of the metal short fibers in the electrode for electric storage devices is not lower than 15 mass % and not higher than 35 mass %.
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