CN116660787A - Proton exchange membrane detection method and device, electronic equipment and medium - Google Patents

Proton exchange membrane detection method and device, electronic equipment and medium Download PDF

Info

Publication number
CN116660787A
CN116660787A CN202310683101.2A CN202310683101A CN116660787A CN 116660787 A CN116660787 A CN 116660787A CN 202310683101 A CN202310683101 A CN 202310683101A CN 116660787 A CN116660787 A CN 116660787A
Authority
CN
China
Prior art keywords
detection
exchange membrane
proton exchange
detection electrode
leakage current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310683101.2A
Other languages
Chinese (zh)
Inventor
刘珍斌
方威
杨锦夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yunliang New Energy Technology Co ltd
Original Assignee
Shanghai Yunliang New Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Yunliang New Energy Technology Co ltd filed Critical Shanghai Yunliang New Energy Technology Co ltd
Priority to CN202310683101.2A priority Critical patent/CN116660787A/en
Publication of CN116660787A publication Critical patent/CN116660787A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52Testing for short-circuits, leakage current or ground faults
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The present disclosure relates to the field of proton exchange membrane detection, and in particular, to a method, an apparatus, an electronic device, and a medium for detecting a proton exchange membrane, where the method includes: applying external pressure to enable the detection electrode to be in contact with the proton exchange membrane to be detected; applying a detection voltage to the detection electrode based on an external power supply to obtain a leakage current value; and determining a detection result based on the leakage current value and a preset leakage current threshold value. The method improves the accuracy of proton exchange membrane detection, simplifies the detection process, reduces the detection cost, and the detection device of the proton exchange membrane has high temperature resistance and long service life.

Description

Proton exchange membrane detection method and device, electronic equipment and medium
Technical Field
The present disclosure relates to the field of proton exchange membrane detection, and in particular, to a method, an apparatus, an electronic device, and a medium for detecting a proton exchange membrane.
Background
Fuel cells are a type of power generation system that converts chemical energy of a fuel into electrical energy by chemical reaction with oxygen or other oxidants, typically hydrogen is the most common fuel, but hydrocarbons such as natural gas and alcohols like methanol can sometimes be used as fuel.
The proton exchange membrane is one of main parts of the fuel cell engine, and the existing proton exchange membrane has complex performance detection process, high detection cost and higher technical requirements for detection personnel. During testing, the detection period is long and the detection time is slow.
Disclosure of Invention
Object of the application
In view of the above problems, the present disclosure provides the following technical solutions for improving accuracy of proton exchange membrane detection, simplifying a detection process, and reducing detection cost.
(II) technical scheme
In a first aspect of an embodiment of the present disclosure, a method for detecting a proton exchange membrane is provided, including: applying external pressure to enable the detection electrode to be in contact with the proton exchange membrane to be detected; applying a detection voltage to the detection electrode based on an external power supply to obtain a leakage current value; and determining a detection result based on the leakage current value and a preset leakage current threshold value.
In some possible embodiments, the external pressure is 0.5kpa to 3.0kpa.
In some possible embodiments, the external pressure is 1.0 kPa.
In some possible embodiments, the detection voltage is 3v to 10v.
In some possible embodiments, the detection voltage is 5V.
In some possible embodiments, applying a detection voltage to the detection electrode based on an external power supply to obtain a leakage current value includes:
and controlling the external power supply to apply voltage, so that the voltage rises from zero to the detection voltage, and keeping the detection voltage for detection for 0.5-3 minutes, and controlling the external power supply to stop applying voltage after the detection is finished.
In some possible embodiments, the calculation formula of the preset leakage current threshold is:
I=U/R
wherein I is a preset leakage current threshold value, U is a detection voltage, R is an internal resistance, R=ASR/A, wherein ASR is DOE standard membrane electrode surface resistance, and A is an effective detection area of the proton exchange membrane.
In a second aspect of the embodiments of the present disclosure, there is provided a detection apparatus for a proton exchange membrane, including: the device comprises a first detection electrode, a second detection electrode and an external power supply, wherein the first detection electrode and the second detection electrode are oppositely arranged, the first detection electrode and the second detection electrode are respectively positioned at two sides of a proton exchange membrane to be detected, and the first detection electrode and the second detection electrode are respectively connected with the external power supply.
In a third aspect of the disclosed embodiments, an electronic device is provided, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the above method when executing the computer program.
In a fourth aspect of the disclosed embodiments, a computer-readable storage medium is provided, which stores a computer program which, when executed by a processor, implements the steps of the above-described method.
(III) beneficial effects
Compared with the prior art, the embodiment of the disclosure has the beneficial effects that:
the detection device of the proton exchange membrane has the advantages of improving the accuracy of the detection of the proton exchange membrane, simplifying the detection process, reducing the detection cost, along with high temperature resistance and long service life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are required for the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a flow chart of some embodiments of a method of detecting a proton exchange membrane according to the present disclosure;
FIG. 2 is a schematic structural diagram of some embodiments of a proton exchange membrane detection apparatus according to the present disclosure;
fig. 3 is a schematic structural diagram of an electronic device suitable for use in implementing some embodiments of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.
The names of messages or information interacted between the various devices in the embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.
The method for detecting a proton exchange membrane of the present disclosure is described in detail below with reference to fig. 1, and as shown in fig. 1, the method includes:
in step S101, an external pressure is applied to contact the detecting electrode with the proton exchange membrane to be detected.
In some embodiments, a proton exchange membrane detection device is used for detection, and an external pressure is applied to an insulating material of the proton exchange membrane detection device to enable a detection electrode fixedly connected with the insulating material to be fully contacted with a proton exchange membrane to be detected, wherein the applied external pressure is 0.5 kPa-3.0 kPa, and preferably, the applied external pressure is 1.0 kPa;
the detection voltage is 3V to 10V, preferably 5V.
Step S102, applying detection voltage to the detection electrode based on an external power supply to obtain a leakage current value.
In some embodiments, the detecting electrode includes a first detecting electrode and a second detecting electrode, where the first detecting electrode and the second detecting electrode are respectively disposed at two ends of the proton exchange membrane to be detected and are respectively connected to a power source, and a detecting voltage is applied to the first detecting electrode and the second detecting electrode by an external power source to obtain a leakage current value, where the applying voltage is specifically: and controlling the external power supply to apply voltage, so that the voltage rises from zero to the detection voltage, and keeping the detection voltage for detection for 0.5-3 minutes, and after the detection is finished, controlling the external power supply to stop applying the voltage, and gradually reducing the voltage to 0V, wherein the detection time is preferably 1 minute.
Step S103, determining a detection result based on the leakage current value and a preset leakage current threshold value.
In some embodiments, after the detected actual leakage current value is obtained, comparing the actual detected leakage current value with a preset leakage current threshold, when the actual detected leakage current value is greater than or equal to the preset leakage current threshold, confirming that a leakage point exists in the proton exchange membrane, otherwise, not storing the leakage point. Here, the preset leakage current threshold is determined based on the DOE standard membrane electrode surface resistance, and the calculation formula is as follows:
I=U/R
wherein I is a preset leakage current threshold value, U is a detection voltage, R is an internal resistance, R=ASR/A, wherein ASR is DOE standard membrane electrode surface resistance, A is an effective detection area of the proton exchange membrane, wherein the effective detection area of the proton exchange membrane is the contact area of the proton exchange membrane and the detection electrode, and the area of the proton exchange membrane to be detected is generally larger than the area of the detection electrode, and the area of the detection electrode is the effective detection area of the proton exchange membrane.
Any combination of the above optional solutions may be adopted to form an optional embodiment of the present application, which is not described herein.
The following are device embodiments of the present disclosure that may be used to perform method embodiments of the present disclosure. For details not disclosed in the embodiments of the apparatus of the present disclosure, please refer to the embodiments of the method of the present disclosure.
Fig. 2 is a schematic structural diagram of some embodiments of a proton exchange membrane detection device of the present disclosure. As shown in fig. 2, the proton exchange membrane detection device includes: the first detection electrode 201 and the second detection electrode 202 are disposed opposite to each other, the first detection electrode 201 and the second detection electrode 202 are respectively positioned at two sides of the proton exchange membrane to be detected, and the first detection electrode 201 and the second detection electrode 202 are respectively connected with the external power supply 203.
In some optional implementations of some embodiments, the device further includes a first insulating material 204 and a second insulating material 205, where the first insulating material 204 is disposed on a side of the first detection electrode 201 away from the proton exchange membrane to be detected and is fixedly connected to the first detection electrode 201; the second insulating material 205 is disposed on a side of the second detecting electrode 202 away from the proton exchange membrane to be detected, and is fixedly connected to the second detecting electrode 202.
During detection, external pressure is applied to one side of the first insulating material 204 and one side of the second insulating material 205, which are far away from the detection electrode, respectively, and the insulating material drives the detection electrode to move, so that the detection electrode is fully contacted with the proton exchange membrane to be detected, and then detection voltage is applied through an external power supply 203 for detection.
Referring now to fig. 3, a schematic diagram of an electronic device 300 suitable for use in implementing some embodiments of the present disclosure is shown. The server illustrated in fig. 3 is merely an example, and should not be construed as limiting the functionality and scope of use of embodiments of the present disclosure in any way.
As shown in fig. 3, the electronic device 300 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 301 that may perform various suitable actions and processes in accordance with a program stored in a Read Only Memory (ROM) 302 or a program loaded from a storage means 308 into a Random Access Memory (RAM) 303. In the RAM 303, various programs and data required for the operation of the electronic apparatus 300 are also stored. The processing device 301, the ROM 302, and the RAM 303 are connected to each other via a bus 304. An input/output (I/O) interface 305 is also connected to bus 304.
In general, the following devices may be connected to the I/O interface 305: input devices 306 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 307 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 308 including, for example, magnetic tape, hard disk, etc.; and communication means 309. The communication means 309 may allow the electronic device 300 to communicate with other devices wirelessly or by wire to exchange data. While fig. 3 shows an electronic device 300 having various means, it is to be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead. Each block shown in fig. 3 may represent one device or a plurality of devices as needed.
In particular, according to some embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, some embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flow chart. In such embodiments, the computer program may be downloaded and installed from a network via communications device 309, or from storage device 308, or from ROM 302. The above-described functions defined in the methods of some embodiments of the present disclosure are performed when the computer program is executed by the processing means 301.
It should be noted that, in some embodiments of the present disclosure, the computer readable medium may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In some embodiments of the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In some embodiments of the present disclosure, however, the computer-readable signal medium may comprise a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
In some implementations, clients, servers may communicate using a network protocol such as HTTP (HyperText Transfer Protocol ), and may be interconnected with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the internet (e.g., the internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed networks.
The computer readable medium may be embodied in the apparatus; or may exist alone without being incorporated into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: applying external pressure to enable the detection electrode to be in contact with the proton exchange membrane to be detected; applying a detection voltage to the detection electrode based on an external power supply to obtain a leakage current value; and determining a detection result based on the leakage current value and a preset leakage current threshold value.
Computer program code for carrying out operations for some embodiments of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in some embodiments of the present disclosure may be implemented by means of software, or may be implemented by means of hardware. The described units may also be provided in a processor.
The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), and the like.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the application in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the application. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims (10)

1. A method for detecting a proton exchange membrane, comprising:
applying external pressure to enable the detection electrode to be in contact with the proton exchange membrane to be detected;
applying a detection voltage to the detection electrode based on an external power supply to obtain a leakage current value;
and determining a detection result based on the leakage current value and a preset leakage current threshold value.
2. The method for detecting a proton exchange membrane according to claim 1, wherein the external pressure is 0.5kpa to 3.0kpa.
3. The method for detecting a proton exchange membrane according to claim 1, wherein the external pressure is 1.0 kPa.
4. The method for detecting a proton exchange membrane according to claim 1, wherein the detection voltage is 3v to 10v.
5. The method for detecting a proton exchange membrane according to claim 1, wherein the detection voltage is 5V.
6. The method for detecting a proton exchange membrane according to claim 1, wherein applying a detection voltage to the detection electrode based on an external power source to obtain a leakage current value comprises:
and controlling the external power supply to apply voltage, so that the voltage rises from zero to the detection voltage, and keeping the detection voltage for detection for 0.5-3 minutes, and controlling the external power supply to stop applying voltage after the detection is finished.
7. The method for detecting a proton exchange membrane according to claim 1, wherein the calculation formula of the preset leakage current threshold value is:
wherein I is a preset leakage current threshold value, U is a detection voltage, R is an internal resistance, R=ASR/A, wherein ASR is DOE standard membrane electrode surface resistance, and A is an effective detection area of the proton exchange membrane.
8. A proton exchange membrane detection device, comprising: the device comprises a first detection electrode, a second detection electrode and an external power supply, wherein the first detection electrode and the second detection electrode are oppositely arranged, the first detection electrode and the second detection electrode are respectively positioned at two sides of a proton exchange membrane to be detected, and the first detection electrode and the second detection electrode are respectively connected with the external power supply.
9. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any of claims 1 to 7 when the computer program is executed.
10. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 7.
CN202310683101.2A 2023-06-09 2023-06-09 Proton exchange membrane detection method and device, electronic equipment and medium Pending CN116660787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310683101.2A CN116660787A (en) 2023-06-09 2023-06-09 Proton exchange membrane detection method and device, electronic equipment and medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310683101.2A CN116660787A (en) 2023-06-09 2023-06-09 Proton exchange membrane detection method and device, electronic equipment and medium

Publications (1)

Publication Number Publication Date
CN116660787A true CN116660787A (en) 2023-08-29

Family

ID=87713535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310683101.2A Pending CN116660787A (en) 2023-06-09 2023-06-09 Proton exchange membrane detection method and device, electronic equipment and medium

Country Status (1)

Country Link
CN (1) CN116660787A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1695071A (en) * 2002-09-06 2005-11-09 通用汽车公司 Method for detecting electrical defects in membrane electrode assemblies
CN101131410A (en) * 2007-10-12 2008-02-27 新源动力股份有限公司 Film electrode short detecting device for fuel batter with proton exchange film and detecting method thereof
JP2016081596A (en) * 2014-10-10 2016-05-16 トヨタ自動車株式会社 Inspection method of electrolyte membrane for fuel battery
JP2017040633A (en) * 2015-08-21 2017-02-23 日産自動車株式会社 Short circuit inspection apparatus and short circuit inspection method
US20180292464A1 (en) * 2017-04-06 2018-10-11 Toyota Jidosha Kabushiki Kaisha Inspection apparatus and inspection method for membrane electrode assembly
CN110729516A (en) * 2019-11-12 2020-01-24 昆山聚创新能源科技有限公司 Micro-short circuit test method of lithium ion battery
CN111077422A (en) * 2019-12-31 2020-04-28 河北金力新能源科技股份有限公司 Lithium ion battery diaphragm breakdown strength testing device and testing method thereof
CN210427706U (en) * 2019-06-18 2020-04-28 江苏厚生新能源科技有限公司 Testing device for detecting breakdown voltage of diaphragm
KR20200059483A (en) * 2018-11-21 2020-05-29 주식회사 엘지화학 Pressure short testing device for detecting a low voltage battery cell
CN111357145A (en) * 2018-08-09 2020-06-30 株式会社Lg化学 Method and apparatus for detecting battery separator damage
CN216082988U (en) * 2021-09-16 2022-03-18 重庆新聚成能源科技有限公司 Breakdown voltage detection device for lithium ion battery diaphragm production
KR20220118250A (en) * 2021-02-18 2022-08-25 주식회사 엘지에너지솔루션 Device and method for detecting damage to monocell type separator

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1695071A (en) * 2002-09-06 2005-11-09 通用汽车公司 Method for detecting electrical defects in membrane electrode assemblies
CN101131410A (en) * 2007-10-12 2008-02-27 新源动力股份有限公司 Film electrode short detecting device for fuel batter with proton exchange film and detecting method thereof
JP2016081596A (en) * 2014-10-10 2016-05-16 トヨタ自動車株式会社 Inspection method of electrolyte membrane for fuel battery
JP2017040633A (en) * 2015-08-21 2017-02-23 日産自動車株式会社 Short circuit inspection apparatus and short circuit inspection method
US20180292464A1 (en) * 2017-04-06 2018-10-11 Toyota Jidosha Kabushiki Kaisha Inspection apparatus and inspection method for membrane electrode assembly
CN111357145A (en) * 2018-08-09 2020-06-30 株式会社Lg化学 Method and apparatus for detecting battery separator damage
KR20200059483A (en) * 2018-11-21 2020-05-29 주식회사 엘지화학 Pressure short testing device for detecting a low voltage battery cell
CN210427706U (en) * 2019-06-18 2020-04-28 江苏厚生新能源科技有限公司 Testing device for detecting breakdown voltage of diaphragm
CN110729516A (en) * 2019-11-12 2020-01-24 昆山聚创新能源科技有限公司 Micro-short circuit test method of lithium ion battery
CN111077422A (en) * 2019-12-31 2020-04-28 河北金力新能源科技股份有限公司 Lithium ion battery diaphragm breakdown strength testing device and testing method thereof
KR20220118250A (en) * 2021-02-18 2022-08-25 주식회사 엘지에너지솔루션 Device and method for detecting damage to monocell type separator
CN216082988U (en) * 2021-09-16 2022-03-18 重庆新聚成能源科技有限公司 Breakdown voltage detection device for lithium ion battery diaphragm production

Similar Documents

Publication Publication Date Title
CN111475298B (en) Task processing method, device, equipment and storage medium
CN113034059B (en) Abnormal power information positioning method and device, electronic equipment and computer medium
CN113379335B (en) Electric power material sampling method and device, electronic equipment and computer readable medium
CN113488050B (en) Voice wakeup method and device, storage medium and electronic equipment
CN112560390A (en) Method, device and equipment for automatically generating ignore bin in cross coverage point
CN116512980B (en) Power distribution method, device, equipment and medium based on internal resistance of power battery
CN117236805A (en) Power equipment control method, device, electronic equipment and computer readable medium
CN116660787A (en) Proton exchange membrane detection method and device, electronic equipment and medium
CN114697206B (en) Method, device, equipment and computer readable medium for managing nodes of Internet of things
CN115827415B (en) System process performance test method, device, equipment and computer medium
CN117649096B (en) Paper box production task execution method and device, electronic equipment and computer medium
CN112329218B (en) Chip steady-state temperature calculation method and device and electronic equipment
CN111562913B (en) Method, device and equipment for pre-creating view component and computer readable medium
CN113030732B (en) Motor monitoring and early warning method and device, electronic equipment and computer readable medium
CN117131366B (en) Transformer maintenance equipment control method and device, electronic equipment and readable medium
CN115374320B (en) Text matching method and device, electronic equipment and computer medium
CN112270170B (en) Implicit expression statement analysis method and device, medium and electronic equipment
CN112488535B (en) Energy network security measurement method, system and data platform
CN111681660B (en) Speech recognition method, apparatus, electronic device, and computer-readable medium
CN117572270A (en) Method and system for detecting internal pressure of battery
CN117525495A (en) Fuel cell low-temperature start modeling method, device, electronic equipment and storage medium
CN116166704A (en) System for improving accuracy of push model of electric power customer relation library
CN116719619A (en) Power terminal request processing method, device, electronic equipment and computer medium
CN116627900A (en) Data archiving method, device, electronic equipment, medium and program product
CN117592785A (en) Risk processing method, device, equipment and medium for power grid line

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination