公开(公告)号：US08048574B2

公开(公告)日：2011-11-01

申请号：US11546972

申请日：2006-10-13

申请人： Shigeru Inai ,  Chihiro Wake ,  Koichiro Miyata ,  Ryo Jinba

发明人： Shigeru Inai ,  Chihiro Wake ,  Koichiro Miyata ,  Ryo Jinba

IPC分类号： H01M8/04

CPC分类号： H01M8/04007 ,  H01M8/04231 ,  H01M8/0432 ,  H01M8/04343 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/04835

摘要： A fuel cell system includes a fuel cell, an operation controller, a checking unit, a scavenging unit, an instructing unit, a temperature sensor, a humidifier and a humidification controller. The operation controller selects one of a normal operation mode and a low-temperature operation mode. The checking unit determines whether the fuel cell has been started up in the low-temperature operation mode. The instructing unit provides an instruction for a shutoff of electricity generation. When the scavenging unit conducts scavenging based on the checking unit determining that the fuel cell has been started in the low-temperature operation mode in response to an instruction for a shutoff of electricity generation and an actual temperature of the fuel cell is higher than a predetermined temperature, the humidification controller controls an amount of humidification according to the actual temperature.

摘要翻译： 燃料电池系统包括燃料电池，操作控制器，检查单元，扫气单元，指示单元，温度传感器，加湿器和加湿控制器。 操作控制器选择正常操作模式和低温操作模式之一。 检查单元确定在低温运行模式下燃料电池是否已启动。 指导单位提供关闭发电的指示。 当清扫单元响应于关于发电关闭的指令，基于检查单元确定燃料电池已经在低温运行模式下启动的清除，并且燃料电池的实际温度高于预定的 加湿控制器根据实际温度控制加湿量。

公开(公告)号：US20070087238A1

公开(公告)日：2007-04-19

申请号：US11546972

申请日：2006-10-13

申请人： Shigeru Inai ,  Chihiro Wake ,  Koichiro Miyata ,  Ryo Jinba

发明人： Shigeru Inai ,  Chihiro Wake ,  Koichiro Miyata ,  Ryo Jinba

IPC分类号： H01M8/04

CPC分类号： H01M8/04007 ,  H01M8/04231 ,  H01M8/0432 ,  H01M8/04343 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/04835

摘要： A fuel cell system includes a fuel cell, an operation controller, a checking unit, a scavenging unit, an instructing unit, a temperature sensor, a humidifier and a humidification controller. The operation controller selects one of a normal operation mode and a low-temperature operation mode. The checking unit determines whether the fuel cell has been started up in the low-temperature operation mode. The instructing unit provides an instruction for a shutoff of electricity generation. When the scavenging unit conducts scavenging based on the checking unit determining that the fuel cell has been started in the low-temperature operation mode in response to an instruction for a shutoff of electricity generation and an actual temperature of the fuel cell is higher than a predetermined temperature, the humidification controller controls an amount of humidification according to the actual temperature.

摘要翻译： 燃料电池系统包括燃料电池，操作控制器，检查单元，扫气单元，指示单元，温度传感器，加湿器和加湿控制器。 操作控制器选择正常操作模式和低温操作模式之一。 检查单元确定在低温运行模式下燃料电池是否已启动。 指导单位提供关闭发电的指示。 当清扫单元响应于关于发电关闭的指令，基于检查单元确定燃料电池已经在低温运行模式下启动的清除，并且燃料电池的实际温度高于预定的 加湿控制器根据实际温度控制加湿量。

公开(公告)号：US07858251B2

公开(公告)日：2010-12-28

申请号：US11583104

申请日：2006-10-18

申请人： Chihiro Wake ,  Shigeru Inai ,  Koichiro Miyata

发明人： Chihiro Wake ,  Shigeru Inai ,  Koichiro Miyata

IPC分类号： H01M8/04

CPC分类号： H01M8/04179 ,  B60L11/1881 ,  H01M8/0258 ,  H01M8/0267 ,  H01M8/04007 ,  H01M8/04126 ,  H01M8/04223 ,  H01M8/04225 ,  H01M8/04302 ,  H01M8/241 ,  H01M8/2457 ,  H01M2008/1095 ,  Y02T90/34

摘要： After an ignition switch is turned off, in order to suppress operation of an air compressor and thereby reduce noise, liquid droplets residing in an oxygen-containing gas flow field as well as liquid droplets residing in a fuel gas flow field are removed during separate time periods, such that the flow rate in the oxygen-containing gas flow field and the flow rate in the fuel gas flow field do not become large at the same time. Then, an electrolyte membrane is dried using an oxygen-containing gas, in order to improve the performance upon starting a next operation.

摘要翻译： 在关闭点火开关之后，为了抑制空气压缩机的运转并且由此降低噪音，在分离时间内去除驻留在含氧气体流场中的液滴以及驻留在燃料气体流场中的液滴 使得含氧气体流场中的流量和燃料气体流场中的流量同时不变大。 然后，使用含氧气体干燥电解质膜，以提高开始下一次操作时的性能。

公开(公告)号：US20070092771A1

公开(公告)日：2007-04-26

申请号：US11583104

申请日：2006-10-18

申请人： Chihiro Wake ,  Shigeru Inai ,  Koichiro Miyata

发明人： Chihiro Wake ,  Shigeru Inai ,  Koichiro Miyata

IPC分类号： H01M8/04

CPC分类号： H01M8/04179 ,  B60L11/1881 ,  H01M8/0258 ,  H01M8/0267 ,  H01M8/04007 ,  H01M8/04126 ,  H01M8/04223 ,  H01M8/04225 ,  H01M8/04302 ,  H01M8/241 ,  H01M8/2457 ,  H01M2008/1095 ,  Y02T90/34

摘要： After an ignition switch is turned off, in order to suppress operation of an air compressor and thereby reduce noise, liquid droplets residing in an oxygen-containing gas flow field as well as liquid droplets residing in a fuel gas flow field are removed during separate time periods, such that the flow rate in the oxygen-containing gas flow field and the flow rate in the fuel gas flow field do not become large at the same time. Then, an electrolyte membrane is dried using an oxygen-containing gas, in order to improve the performance upon starting a next operation.

摘要翻译： 在关闭点火开关之后，为了抑制空气压缩机的运转并且由此降低噪音，在分离时间内去除驻留在含氧气体流场中的液滴以及驻留在燃料气体流场中的液滴 使得含氧气体流场中的流量和燃料气体流场中的流量同时不变大。 然后，使用含氧气体干燥电解质膜，以提高开始下一次操作时的性能。

公开(公告)号：US09331347B2

公开(公告)日：2016-05-03

申请号：US13449467

申请日：2012-04-18

申请人： Yuji Matsumoto ,  Kenichiro Ueda ,  Chihiro Wake ,  Go Kikuchi ,  Koichiro Miyata

发明人： Yuji Matsumoto ,  Kenichiro Ueda ,  Chihiro Wake ,  Go Kikuchi ,  Koichiro Miyata

IPC分类号： H01M8/04 ,  H01M8/24

CPC分类号： H01M8/04 ,  H01M8/04201 ,  H01M8/04303 ,  H01M8/0438 ,  H01M8/04492 ,  H01M8/04552 ,  H01M8/04679 ,  H01M8/04753 ,  H01M8/04776 ,  H01M8/0491 ,  H01M8/24 ,  H01M16/006 ,  H01M2250/20 ,  Y02E60/50 ,  Y02T90/32

摘要： A fuel cell system that can quickly transition to idling stop and can suppress degradation of the electrolyte membrane and decline in cell voltage during idling stop, without requiring a discharge resistor to be provided, and a control method thereof are provided. A fuel cell system (1) includes a fuel cell (10) configured by layering a plurality of fuel cell cells that generate power by reactant gas being supplied thereto, and a supply device 20 that supplies reactant gas to the fuel cell (10), in which idling stop control is initiated to supply air of a lower flow rate than during idling power generation to the fuel cell (10), while producing lower current than during idling power generation from the fuel cell (10), in a case of a predetermined condition being established during idling power generation.

摘要翻译： 能够快速地转变为空转停止的燃料电池系统及其控制方法，能够抑制电池膜的劣化和怠速停止时的电池电压的下降，而不需要设置放电电阻。 燃料电池系统（1）包括燃料电池（10），该燃料电池（10）通过层叠由供给反应气体而产生电力的多个燃料电池单元和将反应气体供给到燃料电池（10）的供给装置20， 其中启动空转停止控制​​，以向空燃料电池（10）提供比在空转发电期间更低流量的空气，同时产生比在来自燃料电池（10）的空转发电期间更低的电流，在 在空转发电期间建立了预定条件。

公开(公告)号：US09099700B2

公开(公告)日：2015-08-04

申请号：US12565691

申请日：2009-09-23

申请人： Koichiro Miyata ,  Chihiro Wake

发明人： Koichiro Miyata ,  Chihiro Wake

IPC分类号： H01M8/04 ,  H01M8/10

CPC分类号： H01M8/0432 ,  B60L1/02 ,  B60L3/0053 ,  B60L11/1885 ,  B60L11/1892 ,  B60L11/1894 ,  B60L11/1898 ,  B60L2240/36 ,  B60L2240/662 ,  B60L2260/44 ,  B60L2260/56 ,  B60L2270/142 ,  B60L2270/145 ,  H01M8/04253 ,  H01M8/04723 ,  H01M2008/1095 ,  Y02E60/50 ,  Y02T10/7291 ,  Y02T90/16 ,  Y02T90/34

摘要： A fuel cell system includes a fuel cell stack, a warming up status detector, a warming up completion threshold setter, an informing device, an estimator, and a threshold changer. The warming up status detector is configured to detect a warming up status of the fuel cell stack. The informing device is configured to inform of completion of warming up when a value corresponding to a warming up status detected by the warming up status detector is equal to or higher than a threshold value set by the warming up completion threshold setter. The estimator is configured to estimate whether generated water is frozen in the fuel cell stack. The threshold changer is configured to change the threshold value set by the warming up completion threshold setter in accordance with a freezing state of the generated water in the fuel cell stack estimated by the estimator.

摘要翻译： 燃料电池系统包括燃料电池堆，预热状态检测器，预热完成阈值设定器，通知装置，估计器和阈值变换器。 预热状态检测器被配置为检测燃料电池堆的预热状态。 通知装置被配置为当与由预热状态检测器检测到的预热状态相对应的值等于或高于由预热完成阈值设定器设置的阈值时，通知完成预热。 估计器被配置为估计在燃料电池堆中产生的水是否被冷冻。 阈值变换器被配置为根据由估计器估计的燃料电池堆中产生的水的冻结状态来改变由预热完成阈值设定器设定的阈值。

公开(公告)号：US08435686B2

公开(公告)日：2013-05-07

申请号：US12128496

申请日：2008-05-28

申请人： Koichiro Miyata ,  Chihiro Wake ,  Jumpei Ogawa

发明人： Koichiro Miyata ,  Chihiro Wake ,  Jumpei Ogawa

IPC分类号： H01M8/04

CPC分类号： H01M8/0432 ,  H01M8/0488 ,  H01M8/0491 ,  H01M2250/20 ,  Y02T90/32

摘要： A fuel cell system is provided that can suppress the degradation of the MEA and simultaneously assure the merchantability. The fuel cell system 1 includes: a fuel cell 10 that generates electric power by reacting hydrogen gas and oxidant gas; a temperature sensor 103 that detects the temperature of the fuel cell 10; a voltage lower limit calculation portion 31 that sets the voltage threshold to limit the output of the fuel cell 10 based on the temperature detected of the fuel cell 10; a current upper limit calculation portion 32 and the current limiting portion 33 that limits the output of the fuel cell in a case where the voltage generated by the fuel cell 10 is lower than the voltage threshold.

摘要翻译： 提供了能够抑制MEA的劣化并同时确保适销性的燃料电池系统。 燃料电池系统1包括：燃料电池10，其通过使氢气与氧化剂气体反应产生电力; 检测燃料电池10的温度的温度传感器103; 电压下限计算部31，其根据检测到的燃料电池10的温度设定电压阈值以限制燃料电池10的输出; 在燃料电池10产生的电压低于电压阈值的情况下限制燃料电池的输出的电流上限计算部32和限流部33。

公开(公告)号：US07867661B2

公开(公告)日：2011-01-11

申请号：US11492429

申请日：2006-07-25

申请人： Jumpei Ogawa ,  Chihiro Wake ,  Koichiro Miyata

发明人： Jumpei Ogawa ,  Chihiro Wake ,  Koichiro Miyata

IPC分类号： H01M8/04 ,  H01M8/12

CPC分类号： H01M8/04462 ,  H01M8/04007 ,  H01M8/04223 ,  H01M8/04302 ,  H01M8/04328 ,  H01M8/04335 ,  H01M8/04343 ,  H01M8/0435 ,  H01M8/04395 ,  H01M8/04567 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/04783 ,  H01M8/241 ,  H01M8/2457 ,  H01M2008/1095

摘要： A fuel cell system and a method for scavenging it are provided. The fuel cell system includes a fuel cell, a fuel gas passage, an oxidant gas passage, a communicating passage, a communicating valve, a monitoring device, a valve controller, a scavenging device and a computing device. The monitoring device monitors a state transition of the fuel cell after a termination of power generation. The valve controller opens the communicating valve when a signal indicative of the state transition meets a predetermined criterion. The scavenging device includes a first scavenging device for the oxidant gas passage, and a second scavenging device for the fuel gas passage. The computing device computes an amount of the oxidant gas required for scavenging according to a system shut off time. The scavenging device conducts scavenging with the amount of the oxidant gas obtained by the computing device.

摘要翻译： 提供了一种燃料电池系统及其清除方法。 燃料电池系统包括燃料电池，燃料气体通道，氧化剂气体通道，连通通道，连通阀，监测装置，阀控制器，扫气装置和计算装置。 监测装置在发电结束后监视燃料电池的状态转变。 当指示状态转换的信号满足预定标准时，阀控制器打开连通阀。 清扫装置包括用于氧化剂气体通道的第一清除装置和用于燃料气体通道的第二扫气装置。 计算装置根据系统关闭时间计算清扫所需的氧化剂气体量。 清除装置用计算装置获得的氧化剂气体的量进行清除。

公开(公告)号：US20060199052A1

公开(公告)日：2006-09-07

申请号：US11365917

申请日：2006-03-02

申请人： Koichiro Miyata ,  Kenichiro Ueda ,  Chihiro Wake ,  Junji Uehara

发明人： Koichiro Miyata ,  Kenichiro Ueda ,  Chihiro Wake ,  Junji Uehara

IPC分类号： H01M8/04

CPC分类号： H01M8/04955 ,  H01M8/04231 ,  H01M8/0432 ,  H01M8/04365 ,  H01M8/04686 ,  H01M8/04753

摘要： There is provided a fuel cell for generating a electric power by a reaction of a reaction gas, a reaction gas flow path through which the reaction gas passes, purge section for purging the reaction gas flow path with a purging gas, a purge judging section for judging as to whether or not a purging operation by the purge section is required, and a failure detecting section for detecting a failure of a judgment support device. When the failure of the judgment support device is detected by the failure detecting section, there action gas flow path is purged by the purge section when stopping the power generation of the fuel cell.

摘要翻译： 提供了一种燃料电池，用于通过反应气体，反应气体通过的反应气体流动路径，用于清除反应气体流路的净化部分与净化气体的反应产生电力，净化判断部分，用于 判断是否需要净化部的清扫动作，以及用于检测判断支援装置的故障的故障检测部。 当故障检测部分检测到判断支持装置的故障时，当停止燃料电池的发电时，由吹扫部分清除动作气体流动路径。

公开(公告)号：US20060141310A1

公开(公告)日：2006-06-29

申请号：US11313113

申请日：2005-12-20

申请人： Koichiro Miyata ,  Kenichiro Ueda ,  Chihiro Wake ,  Jumpei Ogawa

发明人： Koichiro Miyata ,  Kenichiro Ueda ,  Chihiro Wake ,  Jumpei Ogawa

IPC分类号： H01M8/04

CPC分类号： H01M8/04007 ,  H01M8/04231 ,  H01M8/04253

摘要： A fuel cell system wherein even if the fuel cell is exposed to a cold environment, stabilization of power generation is possible. The fuel cell system comprises: a fuel cell in which electric power is generated by a reaction of reaction gases; purging means for purging at least one of reaction gas flow paths through which reaction gases flow; thermal detecting means for detecting a temperature of the fuel cell; low-temperature determining means, which determines that the temperature of the fuel cell is low every time it is below a predetermined temperature; and purging control means for purging the fuel cell when the low-temperature determining means determines, after an input of a power generation stop signal, that the temperature of the fuel cell is low.

摘要翻译： 一种燃料电池系统，其中即使燃料电池暴露于寒冷的环境中，发电的稳定也是可能的。 燃料电池系统包括：通过反应气体的反应产生电力的燃料电池; 吹扫装置，用于吹扫反应气体流过的反应气体流动路径中的至少一个; 用于检测燃料电池的温度的热检测装置; 低温判定单元，每当低于预定温度时，确定燃料电池的温度低; 以及当低温确定装置在输入发电停止信号之后确定燃料电池的温度低时，清除燃料电池的吹扫控制装置。