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1. 发明授权

US06613298B2 Trivalent and tetravalent mixed vanadium compound producing method and vanadium electrolyte producing method 有权
公开(公告)号：US06613298B2
公开(公告)日：2003-09-02
申请号：US09896105
申请日：2001-07-02
申请人： Yasuyuki Tanaka , Ken Horikawa , Muneo Mita , Nobuyuki Tokuda , Michiru Kubata
发明人： Yasuyuki Tanaka , Ken Horikawa , Muneo Mita , Nobuyuki Tokuda , Michiru Kubata
IPC分类号： C01G3100
CPC分类号： H01M8/188 , C01G31/00 , H01M4/9016 , Y02E60/528
摘要： The present invention provides method of producing a trivalent and tetravalent mixed vanadium compound having excellent solubility with sulfuric acid directly from a tetravalent or pentavalent vanadium compound by using a reducing agent,and a method of producing a vanadium electrolyte. For example, a vanadium compound mainly containing a pentavalent vanadium compound; sulfur and concentrated sulfuric acid in molar ratios with respect to (one mol of vanadium atom in the pentavalent vanadium compound) 0.35 to 0.4:1.2 to 1.9 are kneaded into paste form, and the paste-form mixture is calcined at a temperature of not less than 150° C. to less than 440° C. so that a trivalent and tetravalent mixed vanadium compound is obtained, and a redox flow battery-use vanadium electrolyte is obtained by dissolving the trivalent and tetravalent mixed vanadium compound in a sulfuric acid solution.

2. 发明授权

US06872376B2 Modified vanadium compound, producing method thereof, redox flow battery electrolyte composite and redox flow battery electrolyte producing method 有权
标题翻译：改性钒化合物，其制备方法，氧化还原液电池电解质复合材料和氧化还原液电池电解液的制备方法
公开(公告)号：US06872376B2
公开(公告)日：2005-03-29
申请号：US10000127
申请日：2001-12-04
申请人： Yasuyuki Tanaka , Muneo Mita , Ken Horikawa , Nobuyuki Tokuda , Masayuki Furuya , Michiru Kubata
发明人： Yasuyuki Tanaka , Muneo Mita , Ken Horikawa , Nobuyuki Tokuda , Masayuki Furuya , Michiru Kubata
IPC分类号： C01G31/00 , H01M8/18 , C01B17/96
CPC分类号： C01G31/00 , H01M8/188 , Y02E60/528
摘要： A modified vanadium compound characterized in that vanadium sulfate (III), or a mixed vanadium compound of vanadium sulfate (III) and vanadyl sulfate (IV) contains excessive sulfuric acid other than sulfate group composing the vanadium sulfate (III) or the vanadyl sulfate (IV), and when the modified vanadium compound is used, a redox flow battery electrolyte can be prepared easily.
摘要翻译：一种改性钒化合物，其特征在于硫酸钒（III）或硫酸钒（III）和硫酸氧钒（IV）的混合钒化合物含有除了构成硫酸钒（III）或硫酸氧钒的硫酸根以外的过量硫酸 IV），并且当使用改性的钒化合物时，可以容易地制备氧化还原液流电池电解质。

3. 发明授权

US07258947B2 Electrolyte for redox flow battery, and redox flow battery 有权
标题翻译：电解液用于氧化还原电池，氧化还原电池
公开(公告)号：US07258947B2
公开(公告)日：2007-08-21
申请号：US10479710
申请日：2002-04-30
申请人： Michiru Kubata , Hiroyuki Nakaishi , Nobuyuki Tokuda
发明人： Michiru Kubata , Hiroyuki Nakaishi , Nobuyuki Tokuda
IPC分类号： H01M6/00
CPC分类号： H01M8/188 , H01M2300/0008 , H01M2300/0011 , Y02E60/528 , Y02P70/56
摘要： The present invention provides electrolyte that can suppress reduction of battery efficiencies and capacities with increased cycles of charge/discharge of the battery, a method for producing the same, and a redox flow battery using the same electrolyte. The redox flow battery uses the electrolyte having a NH4 content of not more than 20 ppm and a relation of Si concentration (ppm)×electrolyte quantity (m3)/electrode area (m2) of less than 5 ppm·m3/m2. By limiting a quantity of contaminants in the electrolyte, a clogging of carbon electrodes to cause reduction of the battery performances with increased charge/discharge operations can be suppressed.
摘要翻译：本发明提供电解质，其可以通过增加电池的充电/放电循环，其制造方法和使用相同电解质的氧化还原液电池来抑制电池效率和容量的降低。氧化还原液流电池使用NH 4 S含量不大于20ppm的电解质和Si浓度（ppm）x电解质量（m 3+）的电极面积/电极面积（m 2）小于5ppm.m 3 / m 2。通过限制电解质中的污染物量，可以抑制碳电极的堵塞，从而在增加充电/放电操作时引起电池性能的降低。

4. 发明授权

US07199550B2 Method of operating a secondary battery system having first and second tanks for reserving electrolytes 有权
标题翻译：具有用于保留电解质的第一和第二储罐的二次电池系统的操作方法
公开(公告)号：US07199550B2
公开(公告)日：2007-04-03
申请号：US10476586
申请日：2002-04-24
申请人： Yasumitsu Tsutsui , Nobuyuki Tokuda
发明人： Yasumitsu Tsutsui , Nobuyuki Tokuda
IPC分类号： H01M10/44
CPC分类号： H01M8/188 , H01M2/40 , H01M8/04186 , H01M8/04276 , Y02E60/528 , Y10T307/625
摘要： The invention provides a secondary battery system that allows a high overload operation regardless of discharging condition during a steady operation, and an operating method thereof. The secondary battery system comprises first tanks 31, 32 for reserving electrolytes required for a steady operation, and second tanks 33, 34 for reserving electrolytes required for an emergency operation. Valves 41–48 are opened and closed for allowing selective switching between the electrolytes in the first tanks 31, 32 and the electrolytes in the second tanks 33, 34 to circulate the selected electrolytes through a cell stack 100. The electrolytes reserved in the second tanks 33, 34 are electrolytes having a proportion of a quantity of active material produced in a charging reaction to a total quantity of active material of not less than 50%.
摘要翻译：本发明提供了一种二次电池系统，其在稳定运行期间允许高过载运行，而不管放电条件如何，及其操作方法。二次电池系统包括用于保持稳定操作所需的电解质的第一罐31,32和用于预留紧急操作所需的电解质的第二罐33,34。阀41-48打开和关闭，以允许第一罐31,32中的电解质和第二罐33,34中的电解质之间的选择性切换，以使所选择的电解质循环通过电池堆100。在第二罐33,34中保留的电解质是在充电反应中产生的活性物质的量与活性物质总量的比例不小于50％的电解质。

5. 发明授权

US06761945B1 Electrolyte tank and manufacturing method thereof 有权
标题翻译：电解槽及其制造方法
公开(公告)号：US06761945B1
公开(公告)日：2004-07-13
申请号：US09418315
申请日：1999-10-14
申请人： Toshihisa Adachi , Takefumi Itou , Toshihiko Takiguchi , Nobuyuki Tokuda
发明人： Toshihisa Adachi , Takefumi Itou , Toshihiko Takiguchi , Nobuyuki Tokuda
IPC分类号： B65G500
CPC分类号： H01M8/188 , H01M8/02 , H01M8/04186 , Y02E60/528 , Y02P70/56 , Y10T428/1362
摘要： An electrolyte tank which allows effective use of existing space of various shapes is provided. An electrolyte tank is formed by laminating one or more layers of coated fabric provided by coating a woven fabric of organic fiber with rubber or plastic and processing the laminated coated fabric to a bag-shape.
摘要翻译：提供一种可有效利用各种形状的现有空间的电解槽。通过将通过用有机纤维的织物涂布橡胶或塑料提供的一层或多层涂布织物层压并将层压的涂布织物加工成袋状形成电解槽。

6. 发明授权

US07704634B2 Method for designing redox flow battery system 有权
标题翻译：设计氧化还原液流电池系统的方法
公开(公告)号：US07704634B2
公开(公告)日：2010-04-27
申请号：US10511546
申请日：2003-04-21
申请人： Hiroshige Deguchi , Toshio Shigematsu , Nobuyuki Tokuda
发明人： Hiroshige Deguchi , Toshio Shigematsu , Nobuyuki Tokuda
IPC分类号： H01M8/20
CPC分类号： H01M8/188 , H01M8/0432 , H01M8/04328 , H01M8/04335 , H01M8/04388 , H01M8/04395 , H01M8/04626 , Y02E60/528
摘要： The present invention provides a method of designing a redox flow battery system that can prevent system efficiency loss caused by weak generation power or load power at the time of electric charge or discharge, without using any lead storage battery, and can also provide further improved system efficiency. In the present invention, generating equipment that varies irregularly in output of power generation is provided with the redox flow battery to smooth the output of power generation. An average value of output distribution of the battery with respect to the smoothed output of power generation and standard deviation are determined. Then, at least either of a specified output of the battery and a specified output of the converter for converting the battery output is determined based on the standard deviation.
摘要翻译：本发明提供一种设计氧化还原液流电池系统的方法，其可以在不使用任何铅蓄电池的情况下防止在充电或放电时由发电电力或负载功率引起的系统效率损失，并且还可以提供进一步改进的系统效率。在本发明中，发电量输出不规则变化的发电装置设置有氧化还原液电池，以平滑发电输出。确定电池相对于平滑的发电输出和标准偏差的输出分布的平均值。然后，基于标准偏差来确定电池的指定输出和用于转换电池输出的转换器的指定输出中的至少一个。

7. 发明授权

US07670719B2 Cell stack for redox flow battery, and redox flow battery 有权
标题翻译：电池堆用于氧化还原电池，氧化还原电池
公开(公告)号：US07670719B2
公开(公告)日：2010-03-02
申请号：US11979670
申请日：2007-11-07
申请人： Hiroyuki Nakaishi , Takashi Kanno , Seiji Ogino , Takefumi Ito , Toshio Shigematsu , Nobuyuki Tokuda
发明人： Hiroyuki Nakaishi , Takashi Kanno , Seiji Ogino , Takefumi Ito , Toshio Shigematsu , Nobuyuki Tokuda
IPC分类号： H01M8/02
CPC分类号： H01M8/0278 , H01M8/0273 , H01M8/0289 , H01M8/188 , Y02E60/528
摘要： This invention provides a cell frame for a redox flow battery that prevents leakage of electrolyte out of the cell frame and also provides a good workability in assembling the redox flow battery. Also, this invention provides a redox flow battery using the cell frame. In the cell frame 30 for the redox flow battery 30 comprising a bipolar plate 21 and a frame 31 fitted around a periphery of the bipolar plate 21, the frame 31 has, on each side thereof, an inner seal and an outer seal to press-contact with a membrane and also seal electrolyte. The frame 31 has, on each side thereof, an inner seal groove 34 and an outer seal groove 35 for placing therein the inner seal and the outer seal, respectively, to prevent the electrolyte from leaking out, and O-rings are placed in the respective seal grooves.
摘要翻译：本发明提供了一种用于氧化还原液流电池的电池框架，其防止电解液从电池框架中泄漏出来并且还提供了组装氧化还原液流电池的良好可操作性。此外，本发明提供了使用电池框架的氧化还原液流电池。在用于包括双极板21的氧化还原液流电池30的电池框架30和围绕双极板21的周边装配的框架31之间，框架31的每一侧均具有内密封件和外部密封件，与膜接触并密封电解液。框架31的每侧均具有用于分别在其中放置内密封件和外密封件的内密封槽34和外密封槽35，以防止电解液泄漏，并且O形环被放置在各自的密封槽。

8. 发明申请

US20050181273A1 Method for designing redox flow battery system 有权
标题翻译：设计氧化还原液流电池系统的方法
公开(公告)号：US20050181273A1
公开(公告)日：2005-08-18
申请号：US10511546
申请日：2003-04-21
申请人： Hiroshige Deguchi , Toshio Shigamatsu , Nobuyuki Tokuda
发明人： Hiroshige Deguchi , Toshio Shigamatsu , Nobuyuki Tokuda
IPC分类号： H01M8/04 , H01M8/18 , H01M8/20
CPC分类号： H01M8/188 , H01M8/0432 , H01M8/04328 , H01M8/04335 , H01M8/04388 , H01M8/04395 , H01M8/04626 , Y02E60/528
摘要： The present invention provides a method of designing a redox flow battery system that can prevent system efficiency loss caused by weak generation power or load power at the time of electric charge or discharge, without using any lead storage battery, and can also provide further improved system efficiency. In the present invention, generating equipment that varies irregularly in output of power generation is provided with the redox flow battery to smooth the output of power generation. An average value of output distribution of the battery with respect to the smoothed output of power generation and standard deviation are determined. Then, at least either of a specified output of the battery and a specified output of the converter for converting the battery output is determined based on the standard deviation.
摘要翻译：本发明提供一种设计氧化还原液流电池系统的方法，其可以在不使用任何铅蓄电池的情况下防止在充电或放电时由弱发电电力或负载功率引起的系统效率损失，并且还可以提供进一步改进的系统效率。在本发明中，发电量输出不规则变化的发电装置设置有氧化还原液电池，以平滑发电输出。确定电池相对于平滑的发电输出和标准偏差的输出分布的平均值。然后，基于标准偏差来确定电池的指定输出和用于转换电池输出的转换器的指定输出中的至少一个。

9. 发明授权

US07061205B2 Method for operating redox flow battery system 有权
标题翻译：操作氧化还原液电池系统的方法
公开(公告)号：US07061205B2
公开(公告)日：2006-06-13
申请号：US10512273
申请日：2003-04-21
申请人： Toshio Shigematsu , Takahiro Kumamoto , Hiroshige Deguchi , Nobuyuki Tokuda
发明人： Toshio Shigematsu , Takahiro Kumamoto , Hiroshige Deguchi , Nobuyuki Tokuda
IPC分类号： H01M10/44
CPC分类号： H01M8/04753 , H01M8/04992 , H01M8/188 , H01M8/20 , H01M2250/407 , Y02E10/723 , Y02E60/528 , Y02E60/563 , Y02P80/158
摘要： An operating method of a redox flow battery system that can provide a stabilized output to a system from a redox flow battery system annexed to a wind power generator, to produce an improved battery efficiency. The redox flow battery system comprises the wind power generator 10, a redox flow battery 30 annexed to the wind power generator, and an AC/DC converter 40 connected to the redox flow battery. In the operating method, an output of the wind power generator within a certain period of time in the past is subjected to a first averaging process; a present output value of the wind power generator is subtracted from the resulting value of the first averaging process, from which an input/output command value to the AC/DC converter 40 is determined; the input/output command value is subjected to a variation computing process to find variation without any consideration of a sign of the input/output command value; the resulting value obtained by the variation computing process is further subjected to a second averaging process, and an output command value for a pump P to circulate electrolytic solution of the redox flow battery is determined based on the result of the second averaging process.
摘要翻译：一种氧化还原液流电池系统的操作方法，其可以从附于风力发电机的氧化还原液流电池系统向系统提供稳定的输出，以产生改善的电池效率。氧化还原液流电池系统包括风力发电机10，附接到风力发电机的氧化还原液流电池30以及连接到氧化还原液流电池的AC / DC转换器40。在操作方法中，过去一定时间段内的风力发电机的输出经受第一平均处理; 从第一平均处理的结果值中减去风力发电机的当前输出值，确定对AC / DC转换器40的输入/输出指令值; 在不考虑输入/输出命令值的符号的情况下，对输入/输出命令值进行变化计算处理以找到变化; 通过变化计算处理获得的结果值进一步进行第二平均处理，并且基于第二平均处理的结果来确定用于循环氧化还原液流电池的电解溶液的泵P的输出命令值。

10. 发明申请

US20050164075A1 Method for operating redox flow battery and redox flow battery cell stack 审中-公开
标题翻译：操作氧化还原液流电池和氧化还原电池电池组的方法
公开(公告)号：US20050164075A1
公开(公告)日：2005-07-28
申请号：US10512155
申请日：2003-04-21
申请人： Takahiro Kumamoto , Nobuyuki Tokuda
发明人： Takahiro Kumamoto , Nobuyuki Tokuda
IPC分类号： H01M8/04 , H01M8/18 , H01M8/20 , H01M8/24 , H01M10/44
CPC分类号： H01M8/2455 , H01M8/04186 , H01M8/188 , H01M8/20 , H01M8/249 , H01M2250/40 , Y02E60/528 , Y02E60/56
摘要： The invention provides an operating method of a redox flow battery capable of grasping a charging state of the battery more reliably to stabilize an output capacity of the battery. The method is for operating the redox flow battery comprising a cell stack 1 comprising a plurality of cells. A selected cell(s) in the cell stack 1, to and from which positive electrode electrolyte and negative electrode electrolyte are supplied and discharged and which is/are not normally connected to a DC/AC converter 225, is/are in the form of an auxiliary cell 2 used for measuring a charging rate of the electrolyte. Also, a stop of charge of a main cell 3 and a stop of discharge of the main cell 3 are controlled with reference to a circuit voltage obtained from the auxiliary cell 2. Since the auxiliary cell 2 is integrally incorporated in the cell stack 1, the charging state of the battery can be grasped reliably without stopping the charge/discharge operation of the main cell 3. Also, since the stop of charge of the main cell 3 and the stop of discharge of the same are controlled with reference to the measured circuit voltage, the output capacity can be stabilized.
摘要翻译：本发明提供一种氧化还原液流电池的操作方法，其能够更可靠地掌握电池的充电状态，以稳定电池的输出容量。该方法用于操作包含多个单元的单元堆叠1的氧化还原液流电池。正电极电解质和负电极电解质被供给和放电的电池堆1中的选定电池，其通常不连接到DC / AC转换器225的形式为用于测量电解质的充电速率的辅助电池2。此外，参照从辅助电池2获得的电路电压来控制主电池3的充电停止和主电池3的放电停止。由于辅助电池2一体地结合在电池组1中，所以可以可靠地掌握电池的充电状态而不停止主电池3的充放电操作。此外，由于主电池3的充电停止和其放电停止的参考电路电压被控制，所以输出容量可以稳定。

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