公开(公告)号：IN1167DEN2015A

公开(公告)日：2015-06-26

申请号：IN1167DEN2015

申请日：2015-02-12

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： SEKINE RYOJUN ,  DONG YONGRONG ,  KUBATA MICHIRU ,  KAKU HIROKAZU

IPC: H01M8/18 ,  H01M8/02

Abstract: Provided is a redox flow battery electrolyte capable of preventing precipitation from occurring during a battery reaction. In the redox flow battery electrolyte the total concentration of impurity element ions involved in the occurrence of precipitation during a battery reaction is 220 mass ppm or less. When the impurity element ions involved in the occurrence of precipitation contains metal element ions the total concentration of the metal element ions is 195 mass ppm or less. When the impurity element ions involved in the occurrence of precipitation contains nonmetal element ions the total concentration of the nonmetal element ions is 21 mass ppm or less.

公开(公告)号：AU2013392798A1

公开(公告)日：2015-03-05

申请号：AU2013392798

申请日：2013-08-07

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： DONG YONGRONG ,  SEKINE RYOJUN ,  KAKU HIROKAZU ,  KUBATA MICHIRU

IPC: H01M8/18 ,  H01M8/02

Abstract: Provided are: an electrolyte for redox flow batteries, capable of suppressing the generation of hydrogen during battery reactions; and a redox flow battery comprising this electrolyte. The electrolyte for redox flow batteries has a total platinum group element ion concentration of no more than 4.5 ppm by mass. Said platinum group element ion concentration fulfills at least one of the following conditions: the rhodium ion concentration is no more than 1 ppm by mass; the palladium ion concentration is no more than 1 ppm by mass; the iridium ion concentration is no more than 1 ppm by mass; and the platinum ion concentration is no more than 1 ppm by mass.

公开(公告)号：EP2876717A4

公开(公告)日：2015-08-05

申请号：EP13887472

申请日：2013-08-07

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： DONG YONGRONG ,  SEKINE RYOJUN ,  KAKU HIROKAZU ,  KUBATA MICHIRU

IPC: H01M8/18 ,  H01M8/02

CPC classification number: H01M8/188 ,  H01M8/20 ,  H01M2250/10 ,  H01M2300/0002 ,  Y02B90/14 ,  Y02E60/528

公开(公告)号：EP2876718A4

公开(公告)日：2015-08-05

申请号：EP13887535

申请日：2013-08-07

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： SEKINE RYOJUN ,  DONG YONGRONG ,  KUBATA MICHIRU ,  KAKU HIROKAZU

IPC: H01M8/18 ,  H01M8/02

CPC classification number: H01M8/188 ,  H01M8/20 ,  H01M2220/10 ,  H01M2250/10 ,  H01M2300/0002 ,  Y02B90/14 ,  Y02E60/528

Abstract: Provided is an electrolyte for a redox flow battery, the electrolyte allowing suppression of generation of precipitate during a battery reaction. In the electrolyte for a redox flow battery, the total concentration of impurity element ions contributing to generation of precipitate during a battery reaction is 220 mass ppm or less. In a case where the impurity element ions contributing to generation of precipitate include metal element ions, the total concentration of the metal element ions may be 195 mass ppm or less. In a case where the impurity element ions contributing to generation of precipitate include non-metal element ions, the total concentration of the non-metal element ions may be 21 mass ppm or less.

公开(公告)号：EP3032628A4

公开(公告)日：2017-01-04

申请号：EP14833636

申请日：2014-08-04

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： DONG YONGRONG ,  KAKU HIROKAZU ,  HANAFUSA KEI ,  SEKINE RYOJUN

IPC: H01M8/18 ,  H01M8/10

CPC classification number: H01M8/188 ,  H01M8/20 ,  H01M2300/0011 ,  Y02E60/528

Abstract: Provided is a redox flow battery that can suppress generation of a precipitation on a positive electrode. The redox flow battery performs charging and discharging by supplying a positive electrode electrolyte and a negative electrode electrolyte to a battery cell that includes a positive electrode, a negative electrode, and a separating membrane interposed between the two electrodes. The positive electrode electrolyte contains a manganese ion and an additional metal ion, the negative electrode electrolyte contains at least one metal ion selected from a titanium ion, a vanadium ion, a chromium ion, and a zinc ion, and the additional metal ion contained in the positive electrode electrolyte is at least one of an aluminum ion, a cadmium ion, an indium ion, a tin ion, an antimony ion, an iridium ion, a gold ion, a lead ion, a bismuth ion, and a magnesium ion.

Abstract translation: 提供能够抑制正极上的析出发生的氧化还原液流电池。 氧化还原液流电池通过将正极电解质和负极电解质供给到包含正电极，负极和插入在两个电极之间的分离膜的电池单元来进行充电和放电。 正极电解质含有锰离子和附加的金属离子，负极电解质含有选自钛离子，钒离子，铬离子和锌离子中的至少一种金属离子，并且含有的金属离子 正极电解质是铝离子，镉离子，铟离子，锡离子，锑离子，铱离子，金离子，铅离子，铋离子和镁离子中的至少一种。

公开(公告)号：EP3032629A4

公开(公告)日：2016-08-10

申请号：EP14833875

申请日：2014-08-04

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： KAKU HIROKAZU ,  DONG YONGRONG ,  HANAFUSA KEI ,  SEKINE RYOJUN

IPC: H01M8/18

CPC classification number: H01M8/08 ,  H01M8/188 ,  H01M8/20 ,  H01M2300/0005 ,  H01M2300/0011 ,  Y02E60/528

Abstract: Provided is a redox flow battery that allows suppression of generation of precipitate and also has a high energy density. The redox flow battery includes a battery cell including a positive electrode, a negative electrode, and a membrane interposed between the electrodes, the battery being configured to be charged and discharged while a positive electrode electrolyte and a negative electrode electrolyte are supplied to the battery cell, wherein the positive electrode electrolyte contains manganese ions, titanium ions, and reactive metal ions, the negative electrode electrolyte contains at least one species of metal ions selected from titanium ions, vanadium ions, chromium ions, and zinc ions, and the reactive metal ions are at least one selected from vanadium ions, chromium ions, iron ions, cobalt ions, copper ions, molybdenum ions, ruthenium ions, palladium ions, silver ions, tungsten ions, mercury ions, and cerium ions.

公开(公告)号：EP3176862A4

公开(公告)日：2017-06-07

申请号：EP15828274

申请日：2015-07-09

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： DONG YONGRONG ,  SEKINE RYOJUN ,  MORIUCHI KIYOAKI

IPC: H01M8/18 ,  H01M8/02

CPC classification number: H01M8/02 ,  H01M8/188 ,  H01M2300/0002 ,  Y02E60/528

Abstract: An electrolyte for a redox flow battery has a total concentration of arsenic ions and antimony ions of 15 mass ppm or less. In an example of the electrolyte for a redox flow battery, preferably, the concentration of the arsenic ions is 10 mass ppm or less. In another example of the electrolyte for a redox flow battery, preferably, the concentration of the antimony ions is 10 mass ppm or less.

Abstract translation: 用于氧化还原液流电池的电解质具有15质量ppm或更少的砷离子和锑离子的总浓度。 在用于氧化还原液流电池的电解质的实例中，优选地，砷离子的浓度为10质量ppm或更少。 在用于氧化还原液流电池的电解质的另一实例中，优选地，锑离子的浓度为10质量ppm或更少。

公开(公告)号：EP2876719A4

公开(公告)日：2015-08-05

申请号：EP13887572

申请日：2013-08-07

Applicant: SUMITOMO ELECTRIC INDUSTRIES

Inventor： DONG YONGRONG ,  SEKINE RYOJUN ,  KAKU HIROKAZU ,  KUBATA MICHIRU

IPC: H01M8/18 ,  H01M8/02

CPC classification number: H01M8/20 ,  H01M8/18 ,  H01M8/188 ,  Y02E60/528