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公开(公告)号：US20200057113A1
公开(公告)日：2020-02-20
申请号：US16498868
申请日：2018-03-28
Applicant: GS Yuasa International Ltd.
Inventor： Nan UKUMORI
IPC: G01R31/392 , G01R31/3842 , H01M10/48
Abstract: A degradation estimating device includes: an acquiring unit that acquires time-series data of an SOC in an energy storage device; and an estimating unit that estimates degradation of the energy storage device based on a fluctuation magnitude of the SOC in the time-series data acquired by the acquiring unit. The degradation estimating method of an energy storage device acquires time-series data of an SOC in the energy storage device, and estimates the degradation of the energy storage device based on a fluctuation magnitude of the SOC in the acquired time-series data.
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112.发明授权公开(公告)号：US10557892B2
公开(公告)日：2020-02-11
申请号：US15534766
申请日：2015-12-08
Applicant: GS Yuasa International Ltd.
Inventor： Keita Suzuki , Yohei Tao
IPC: G01R31/387 , H01M10/48 , H02J7/00
Abstract: Provided is an energy storage device state estimation device (100) for estimating a state of an energy storage device (200) at a predetermined point of time. The energy storage device state estimation device (100) includes: a history acquisition part (110) configured to acquire a charge-discharge history of the energy storage device (200) up to the predetermined point of time; a deterioration value estimation part (130) configured to estimate a time dependent deterioration value and a working electricity dependent deterioration value of the energy storage device (200) at the predetermined point of time using information about time dependent deterioration and information about working electricity dependent deterioration corresponding to the charge-discharge history; and a state estimation part (140) configured to estimate a state of the energy storage device (200) at the predetermined point of time using the time dependent deterioration value and the working electricity dependent deterioration value.
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113.发明授权公开(公告)号：US10551443B2
公开(公告)日：2020-02-04
申请号：US14863283
申请日：2015-09-23
Applicant: GS Yuasa International Ltd.
Inventor： Takeyuki Shiraishi , Atsushi Fukushima
IPC: G01R31/36 , G01R31/392 , G01R31/389
Abstract: A battery deterioration determination device includes a temperature sensor that detects a temperature of a battery; and a determination unit that determines whether the battery has deteriorated or not, wherein the determination unit executes a different deterioration determination process between a first case where the temperature detected by the temperature sensor is less than a predetermined temperature and a second case where the temperature detected by the temperature sensor is equal to or higher than a predetermined temperature.
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公开(公告)号：US10541402B2
公开(公告)日：2020-01-21
申请号：US15901012
申请日：2018-02-21
Applicant: GS Yuasa International Ltd.
Inventor： Ryutaro Nishikawa , Masamitsu Tononishi , Osamu Ushijima , Shogo Tsuruta
Abstract: An energy storage apparatus includes an energy storage device including an electrode terminal, an outer housing containing the energy storage device, an outer electrode attached to an outside of the outer housing, an electrical device disposed inside the outer housing, a first electrical conductor connecting the outer electrode and the electrical device, and a second electrical conductor connecting the electrical device and the electrode terminal. In a plane along a surface of the energy storage device, the electrical device is disposed between the electrode terminal and the outer electrode.
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公开(公告)号：US10522837B2
公开(公告)日：2019-12-31
申请号：US15039334
申请日：2014-11-21
Applicant: GS Yuasa International Ltd.
Inventor： Ikumi Motoi
Abstract: A lead-acid battery includes a separator retaining an electrolyte solution, a positive electrode plate, a negative electrode plate, and a container. A negative electrode material contains bisphenols condensate, and a theoretical capacity ratio of the negative electrode material to a positive electrode material is 0.85 or more and 1.2 or less.
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Patent Agency Ranking
公开(公告)号：US10522798B2
公开(公告)日：2019-12-31
申请号：US14297507
申请日：2014-06-05
Applicant: GS Yuasa International Ltd.
Inventor： Masashi Oshiba , Hiroyasu Koyama , Yuta Mizukawa , Kazuya Fujisawa
IPC: H01M2/10 , H01M10/625 , H01M10/6563 , H01M10/613 , H01M2/02
Abstract: An energy storage apparatus including: a module unit including one or more energy storage devices and a module case that is a container that holds the one or more energy storage devices; and a first protrusion that protrudes from at least one of an energy storage device bottom surface and a first case surface of the module case so as to form a first space defined by the energy storage device bottom surface and the first case surface, the energy storage device bottom surface being a bottom surface of at least one of the one or more energy storage devices, the first case surface being opposed to the energy storage device bottom surface.
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公开(公告)号：US20190393453A1
公开(公告)日：2019-12-26
申请号：US16481171
申请日：2018-01-25
Applicant: Robert Bosch GmbH , GS Yuasa International Ltd.
Inventor： Yukio Enomoto , Kenji Kawate
Abstract: To provide an energy storage device where internal short circuiting of an electrode assembly can be prevented while ensuring easy assembling of the energy storage device. An energy storage device according to an aspect of the present invention includes: an electrode assembly which has an electrode assembly body formed by stacking a positive electrode plate, a separator and a negative electrode plate, and tabs extending from the positive electrode plate and the negative electrode plate; a case formed of a case body which accommodates the electrode assembly therein and a lid plate which closes the case body; an external terminal fixed to the lid plate and electrically connected to the tab; a spacer disposed between the electrode assembly body and the lid plate and having rigidity; and a porous cushion sheet disposed between the spacer and the electrode assembly body having cushioning property, wherein the cushion sheet is welded to the spacer.
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公开(公告)号：US10468646B2
公开(公告)日：2019-11-05
申请号：US15277816
申请日：2016-09-27
Applicant: GS Yuasa International Ltd.
Inventor： Ryutaro Nishikawa
IPC: H01M2/00 , H01M2/10 , H01G9/08 , H01G11/82 , H01M2/20 , H01M10/04 , H01M10/0525 , H01G11/78 , H01G9/00
Abstract: An energy storage apparatus includes an energy storage device and an outer case. The outer case includes a side wall portion disposed in an opposedly facing manner with a side surface of the energy storage device and a high rigidity member having higher rigidity than the side wall portion, the high rigidity member being disposed between the side wall portion and the energy storage device and mounted on the side wall portion.
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公开(公告)号：US10388916B2
公开(公告)日：2019-08-20
申请号：US15261668
申请日：2016-09-09
Applicant: GS Yuasa International Ltd.
Inventor： Masamitsu Tononishi
Abstract: An energy storage apparatus including: an energy storage device; an outer covering; electric equipment disposed in the outer covering; and a housing part which houses the electric equipment, wherein a drain passage, which is disposed in a region covered by the electric equipment and through which water is discharged to outside of the region, is formed on a lower wall surface below the electric equipment in the housing part.
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公开(公告)号：US10381845B2
公开(公告)日：2019-08-13
申请号：US15660644
申请日：2017-07-26
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi Nakamoto , Daisuke Konishi
Abstract: A power storage apparatus includes a plurality of power storage devices, a switch provided on a current-carrying path to the plurality of power storage devices, a voltage detecting unit that detects respective voltages of the power storage devices, and a control unit. The control unit switches a duty ratio of the switch so as to prevent or delay the voltages of the power storage devices from reaching an upper limit voltage during the charge.
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