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1.发明公开公开(公告)号：US20230207904A1
公开(公告)日：2023-06-29
申请号：US17975648
申请日：2022-10-28
IPC分类号： H01M10/44 , H01M10/0525 , H02J7/00
CPC分类号： H01M10/44 , H01M10/0525 , H02J7/0048
摘要： A recovery processing method of a lithium ion battery of an embodiment is a processing method of recovering performance of the lithium ion battery. The recovery processing method of the lithium ion battery includes a process of holding an SOC of the lithium ion battery at a fixed value that is within a range of 10% to 70%. The SOC in the process is preferably set to equal to or smaller than a value in which a gradient of an SOC-voltage curve has a minimum value.
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公开(公告)号：US20180375125A1
公开(公告)日：2018-12-27
申请号：US16012890
申请日：2018-06-20
发明人： Hodaka Tsuge , Takashi Kato , Tadaaki Yamada , Koichiro Sato
IPC分类号： H01M8/04225 , H01M8/1007 , H01M8/04029 , H01M8/04701
摘要： A method of activating a fuel cell includes an energizing step. In the energizing step, a hydrogen gas as an anode gas is supplied to an anode, and an inert gas as a cathode gas is supplied to a cathode to produce a potential difference between the anode and the cathode. In this state, current is applied between the anode and the cathode.
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公开(公告)号：US20240144733A1
公开(公告)日：2024-05-02
申请号：US18458557
申请日：2023-08-30
发明人： Hodaka Tsuge , Hiroshi Ishikawa
摘要： A residual life determination system includes: a first estimated residual life recognition unit configured to recognize a first estimated residual life of the target component according to a cumulative fatigue degree of the target component based on the load measurement information; a second estimated residual life recognition unit configured to recognize a second estimated residual life of the target component according to a degradation degree of the physical property value of the target component based on the physical property value measurement information; and a residual life determination unit configured to determine the residual life of the target component based on the first estimated residual life in a first period before the second estimated residual life becomes longer than the first estimated residual life.
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公开(公告)号：US20190103618A1
公开(公告)日：2019-04-04
申请号：US16140755
申请日：2018-09-25
发明人： Hodaka Tsuge , Takashi Kato , Tadaaki Yamada , Ayumi Mizuno , You Shimomura
IPC分类号： H01M8/04537 , H01M8/1004 , H01M8/04858 , H01M4/92
CPC分类号： H01M8/04619 , H01M4/926 , H01M8/04679 , H01M8/0488 , H01M8/0491 , H01M8/1004 , H01M2008/1095
摘要： In a method of inspecting output of a fuel cell, a reduction step is performed, and thereafter, a measurement step is performed. In the reduction step, reduction treatment is applied to electrode catalyst contained in an anode and a cathode. After the reduction treatment is applied to the electrode catalyst of the anode and the cathode, in the measurement step, measurement current which is smaller than rated current of the fuel cell, is applied to the anode and the cathode to inspect the output of the fuel cell.
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公开(公告)号：US20190103620A1
公开(公告)日：2019-04-04
申请号：US16140771
申请日：2018-09-25
发明人： Hodaka Tsuge , Takashi Kato , Tadaaki Yamada , Ayumi Mizuno , You Shimomura
IPC分类号： H01M8/04537 , H01M4/04 , H01M4/92 , H01M8/1004 , H01M8/04858
摘要： In a method of inspecting an output of a fuel cell, an oxidation step is performed, and thereafter, a measurement step is performed. In the oxidation step, oxidation treatment is applied to an electrode catalyst contained in an anode and a cathode. After the oxidation treatment is applied to the electrode catalyst of the anode and the cathode, in the measurement step, a measurement current which is smaller than a rated current of the fuel cell is applied to the anode and the cathode to measure the output of the fuel cell.
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公开(公告)号：US20190103619A1
公开(公告)日：2019-04-04
申请号：US16140765
申请日：2018-09-25
发明人： Hodaka Tsuge , Koichiro Sato , Tadaaki Yamada
IPC分类号： H01M8/04537 , H01M8/04858 , H01M8/1004 , H01M4/92
CPC分类号： H01M8/04619 , H01M4/926 , H01M8/04753 , H01M8/0488 , H01M8/0491 , H01M8/1004
摘要： In an electric potential difference forming step of a method of inspecting output of a fuel cell, a hydrogen gas as an anode gas is supplied to an anode, and an inert gas as a cathode gas is supplied to the cathode to generate an electric potential difference between the anode and the cathode. In a maintaining step, measurement current which is smaller than rated current of the fuel cell is applied to the anode and the cathode, and the voltage between the anode and the cathode is maintained at less than the reduction potential of the electrode catalyst. In a measurement step, in the state where the measurement current is applied to the anode and the cathode, and voltage between the anode and the cathode is maintained, the cathode gas is changed to a mixed gas, and then, output of the fuel cell is measured.
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公开(公告)号：US20190006687A1
公开(公告)日：2019-01-03
申请号：US16016699
申请日：2018-06-25
发明人： Hodaka Tsuge , Ayumi Mizuno , Takashi Kato , Tadaaki Yamada , Koichiro Sato , Yo Shimomura
IPC分类号： H01M8/04225 , H01M8/04119 , H01M8/04029 , H01M8/04701 , H01M8/04828 , H01M8/04858 , H01M8/04302
摘要： In a method of activating a fuel cell, after a voltage application step is performed, a humidifying step is performed. In the voltage application step, a hydrogen gas is supplied to an anode, and an inert gas is supplied to a cathode. In the meanwhile, cyclic voltage which is increased and decreased within a predetermined range is applied to the fuel cell. In the humidifying step, in a state where application of the voltage is stopped, a humidified gas containing water vapor is supplied to at least one of the anode and the cathode.
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公开(公告)号：US09343768B2
公开(公告)日：2016-05-17
申请号：US13726832
申请日：2012-12-26
发明人： Takashi Kato , Hodaka Tsuge , Tadaaki Yamada
CPC分类号： H01M8/10 , H01M8/04223 , H01M8/04302 , H01M8/04574 , H01M8/04873 , H01M8/2457 , H01M2008/1095 , Y02E60/50
摘要： In a solid polymer electrolyte fuel cell, a potential is swept to obtain a cyclic voltammogram. The activation treatment is completed when any of conditions (a) to (c) is satisfied. (a): the peak number between 0.1 and 0.3 V increases from one to two, and inequalities of I1/I3≧1.2 and I2/I3≧1.2 are satisfied where I1, I2 and I3 are current values of the two peaks, and the minimum current value between the two peaks, respectively; (b): an oxidation peak within a range of 0.4 to 0.7 V decreases, and a charge amount corresponding to the peak decreases to 20 mC or less; and (c): the ratio I5/I4 increases from less than 1 to 1 where I4 and I5 are current values of a reduction peak within a range of 0.6 to 0.7 V and a reduction peak within a range of 0.7 to 0.8 V, respectively.
摘要翻译： 在固体聚合物电解质燃料电池中，扫描电位以获得循环伏安图。 当条件（a）至（c）满足时，完成活化处理。 （a）：0.1和0.3V之间的峰值从1增加到2，并且I1 /I3≥1.2和I2 /I3≥1.2的不等式被满足，其中I1，I2和I3是两个峰的电流值， 两个峰值之间的最小电流值分别为 （b）：在0.4〜0.7V的范围内的氧化峰降低，与峰值对应的电荷量降低至20mC以下; 和（c）：I5 / I4从小于1增加到1，其中I4和I5分别是在0.6至0.7V的范围内的还原峰的电流值和在0.7至0.8V的范围内的还原峰 。
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公开(公告)号：US20210293751A1
公开(公告)日：2021-09-23
申请号：US17200956
申请日：2021-03-15
IPC分类号： G01N27/48 , H01M8/04492 , G01N33/18
摘要： A voltage applying unit of a water detecting device applies, to a pair of electrodes, a voltage changing within an application range that includes a first voltage which is smaller than an electrolysis voltage of water and a second voltage which is larger than the electrolysis voltage of the water. A judging unit judges presence or absence of the water based on change in electric current measured by a current measuring unit when the voltage changing within the application range is applied to the pair of electrodes.
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公开(公告)号：US10770739B2
公开(公告)日：2020-09-08
申请号：US16140771
申请日：2018-09-25
发明人： Hodaka Tsuge , Takashi Kato , Tadaaki Yamada , Ayumi Mizuno , You Shimomura
IPC分类号： H01M8/04 , H01M8/04537 , H01M4/04 , H01M8/04858 , H01M8/1004 , H01M4/92 , H01M8/04746
摘要： In a method of inspecting an output of a fuel cell, an oxidation step is performed, and thereafter, a measurement step is performed. In the oxidation step, oxidation treatment is applied to an electrode catalyst contained in an anode and a cathode. After the oxidation treatment is applied to the electrode catalyst of the anode and the cathode, in the measurement step, a measurement current which is smaller than a rated current of the fuel cell is applied to the anode and the cathode to measure the output of the fuel cell.
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