Patents by Inventor Qiming GE
Qiming GE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250132353Abstract: Provided in the present disclosure is an all-vanadium redox flow battery system. A cathode electrolyte is stored in a cathode electrolyte storage tank of the system, a vanadium cathode active material being added in the cathode electrolyte, an anode electrolyte being stored in an anode electrolyte storage tank, a vanadium anode active material being added in the anode electrolyte, the cathode electrolyte storage tank including a flexible conductive material loaded with a Prussian blue analog, the proportion of oxygen-containing functional groups in the flexible conductive material being 30% to 50%, and a content of the Prussian blue analog in the cathode electrolyte storage tank being 4 g/L to 480 g/L. In the present disclosure, the Prussian blue analog is synthesized on a surface of the flexible conductive material by using an electrochemical deposition method, and synthesis efficiency is high.Type: ApplicationFiled: June 13, 2024Publication date: April 24, 2025Inventors: Zhiling Zhao, Changhui Song, Hedi Ma, Jia Liu, Huichao Liu, Qiming Ge
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Publication number: 20250087712Abstract: The present disclosure provides a bipolar plate and a current collector plate of a flow battery. The bipolar plate or the current collector plate includes a support layer, wherein the support layer includes a first surface in contact with an electrode and a second surface opposite thereto; the support layer is provided with holes passing through the first surface and the second surface; the holes are provided with a conductive filler therein; the first surface is provided with a first region and a second region, the first region surrounds all of the holes, and the second region is the remaining region of the first surface; the second surface is provided with a third region and a fourth region, the third region surrounds all of the holes, and the fourth region is the remaining region of the second surface; and the first region has a resistivity less than that of the second region.Type: ApplicationFiled: June 27, 2024Publication date: March 13, 2025Inventors: Zhen Wang, Zhiling Zhao, Hedi Ma, Huichao Liu, Qiming Ge
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Publication number: 20250087775Abstract: Disclosed are a flow battery degassing device, a degassing method, a system, and a storage medium. The flow battery includes a liquid tank. The flow battery degassing device includes a degassing tank, a degassing pump, a liquid outlet pipe, and a liquid inlet pipe. The liquid outlet pipe is configured to enable an electrolyte in the liquid tank to flow into the degassing tank. The liquid inlet pipe is configured to enable the electrolyte in the degassing tank to flow into the liquid tank. The degassing pump is provided on the liquid inlet pipe and configured to form a vacuum environment in the degassing tank.Type: ApplicationFiled: June 12, 2024Publication date: March 13, 2025Inventors: Shuai Dong, Qiming Ge, Huichao Liu, Yu Zhang, Dehao Wang, Zhiwei Duan, Yongkai Han
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Publication number: 20250046845Abstract: Provided are a flow battery cleaning apparatus, method, and system. A flow battery includes: a positive electrode liquid tank, a negative electrode liquid tank, and a stack unit, the positive electrode liquid tank and the stack unit forming a positive electrode circulation loop, and the negative electrode liquid tank and the stack unit forming a negative electrode circulation loop. The flow battery cleaning apparatus includes a detection apparatus, a first foreign matter removal apparatus, and a second foreign matter removal apparatus, and the detection apparatus includes a first detection apparatus. The first detection apparatus is configured to detect whether foreign matter is present in the stack unit, the first foreign matter removal apparatus is configured to adjust the pressure of the positive electrode circulation loop, and the second foreign matter removal apparatus is configured to adjust the pressure of the negative electrode circulation loop.Type: ApplicationFiled: June 27, 2024Publication date: February 6, 2025Inventors: Yongkai Han, Shuai Dong, Dehao Wang, Zhiwei Duan, Hedi Ma, Huichao Liu, Qiming Ge
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Publication number: 20250046835Abstract: Disclosed is an electrolyte storage tank, which comprises a tank body comprising an inner chamber, the tank body being provided with a liquid inlet and a liquid outlet which are in communication with the inner chamber, the tank body being formed of acid-resistant concrete by means of pouring, and the inner chamber of the tank body being configured to store an electrolyte.Type: ApplicationFiled: June 13, 2024Publication date: February 6, 2025Inventors: Shuai Dong, Qiming Ge, Huichao Liu, Yanling Zhao, Hedi Ma
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Publication number: 20250038233Abstract: Embodiments of the present disclosure disclose an insulating protective mechanism, a conveying apparatus, and a flow battery energy storage system, which relate to, but are not limited to, insulating protection technology. The insulating protective mechanism comprises a frame, an insulating protective cover, a transmission assembly, a sensing assembly, and a control unit. The insulating protective cover is arranged on the frame, and can enclose with the frame an installation space for installing a conveying mechanism. The control unit controls the transmission assembly to facilitate driving the insulating protective cover to open or close the installation space, so as to facilitate maintenance and replacement of the conveying mechanism in the installation space, and reset the insulating protective cover after the maintenance and replacement of the conveying mechanism.Type: ApplicationFiled: June 13, 2024Publication date: January 30, 2025Inventors: Yulong Shi, Zhiwei Duan, Hedi Ma, Shuai Dong, Yongkai Han, Dehao Wang, Huichao Liu, Qiming Ge
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Publication number: 20250035504Abstract: Disclosed in the present utility model is a device for testing gas tightness of a bipolar plate. The device includes a fixing assembly and a liquid placing plate. The fixing assembly includes a base plate and a cover plate. The base plate and the cover plate are arranged opposite to each other, and a test space capable of accommodating a bipolar plate is formed between the base plate and the cover plate. The base plate or the cover plate is provided with a gas inlet for gas to enter the test space. The liquid placing plate is arranged in the test space and arranged to be stacked on the plate surface of the bipolar plate facing away from the gas inlet. The liquid placing plate is provided with a plurality of liquid placing recesses capable of containing liquid. The liquid placing recesses pass through opposite plate surfaces of the liquid placing plate.Type: ApplicationFiled: June 14, 2024Publication date: January 30, 2025Inventors: Dehao Wang, Shuai Dong, Zhiwei Duan, Yongkai Han, Hedi Ma, Huichao Liu, Qiming Ge
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Publication number: 20250023062Abstract: The present disclosure provides a bipolar plate for a flow battery and a flow battery. The flow battery comprises a first carbon felt, a second carbon felt, and a bipolar plate, and the bipolar plate is located between the first carbon felt and the second carbon felt. Surfaces of the bipolar plate in contact with the first carbon felt and the second carbon felt are provided with grooves, and the grooves are filled with an adhesive. Fibers extending out of the grooves are provided in the grooves. The technical solution provided in the present invention forms fiber layers on the flocked surfaces of the bipolar plate. The fiber layers serve as contact surfaces with the carbon felts, and can significantly increase the friction therebetween. After 5,000 cycles of charge and discharge in a stack, the carbon felts did not slip or shift. The fiber layers can further reduce the contact resistance between the carbon felts and the bipolar plate by 30% or more, and improve the energy efficiency of the stack by 3% to 5%.Type: ApplicationFiled: June 14, 2024Publication date: January 16, 2025Inventors: Zhen Wang, Hedi Ma, Huichao Liu, Qiming Ge
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Publication number: 20250004058Abstract: The present application provides a flow battery testing device, including a housing and a testing body. The testing body includes a testing stack and a plurality of liquid path assemblies. The testing stack is provided with a plurality of liquid flow paths. An outer surface of the housing is provided with a bearing surface, and the testing stack is provided on the bearing surface. The plurality of liquid path assemblies are provided in the housing, and correspondingly cyclically communicate with the plurality of liquid flow paths one to one. By using a miniaturized flow battery testing device to replace an actual flow battery for relevant testing, it is possible to achieve test results equivalent to those of the actual flow battery, thus effectively reducing testing difficulty.Type: ApplicationFiled: June 14, 2024Publication date: January 2, 2025Inventors: Hao Yang, Zhiling Zhao, Xingsheng Zhou, Huichao Liu, Qiming Ge
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Publication number: 20240413369Abstract: Disclosed is a method for recovering the battery capacity of a vanadium redox flow battery, comprising: S100: determining the overall valence of vanadium ions in electrolyte reservoirs of the battery after the discharge capacity of the battery attenuates, and charging the battery; S200: adding a reducing agent to a positive electrolyte reservoir of the battery; S300: allowing self-circulation in the positive electrolyte reservoir of the battery, so as to complete a chemical reduction reaction; S400: determining the overall valence of the vanadium ions in the electrolyte reservoirs of the battery again, and determining the residue of the reducing agent; and/or S500: replenishing the reducing agent in the positive electrolyte reservoir of the battery, and repeating steps S300 to S400 until the mean value of the overall valence of the vanadium ions in the electrolyte reservoirs of the battery returns to 3.5.Type: ApplicationFiled: May 30, 2024Publication date: December 12, 2024Inventors: Zhiling Zhao, Huichao Liu, Qiming Ge
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Publication number: 20230257854Abstract: The present application relates to the technical field of non-ferrous metal reduction, and specifically to a method and device for accurately controlling a reduction valence state of high-purity vanadium pentoxide. An example method includes: introducing a reducing gas into the vanadium pentoxide to carry out a reduction reaction under a heating condition to obtain a mixture; weighing the mixture during the reduction reaction, and stopping the reaction when the weight of the mixture reaches a specified value; and introducing a cooling gas into the mixture for cooling to obtain calcine. An example device includes: a conveying member; a casing arranged on the conveying member; a partition member on the casing and dividing the inside of the casing into a reduction zone and a protection cooling zone; a material storage member on the conveying member for placing materials; and a weighing member on the conveying member.Type: ApplicationFiled: January 19, 2023Publication date: August 17, 2023Inventors: Mianyan HUANG, Qiming GE, Shuang XU
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Publication number: 20230231170Abstract: The application relates to battery materials, and particularly discloses a method for preparing vanadium electrolyte for an all-vanadium redox flow battery. An example method includes: heating high-purity vanadium pentoxide, and reducing the high-purity vanadium pentoxide by using a reducing gas to obtain a low-valence vanadium oxide; mixing low-valence vanadium oxide with an activating agent, and heating and activating to obtain vanadium-containing paste electrolyte; and adding water to dissolve the vanadium-containing paste electrolyte to obtain the vanadium electrolyte with the average valence of vanadium between positive three and positive four.Type: ApplicationFiled: January 19, 2023Publication date: July 20, 2023Inventors: Mianyan HUANG, Qiming GE, Jia LIU