Slot type current collecting structure, measurement system and measurement method thereof
A measurement system and current collection technology, applied in secondary battery testing, electrode carrier/current collector, secondary battery repair/maintenance, etc., can solve the problems of high cost, complicated processing, unsuitable for promotion, etc., and achieve low cost, Easy to operate and strong implementability
Active Publication Date: 2019-05-24
XI AN JIAOTONG UNIV
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Problems solved by technology
This method still cannot guarantee that the contact conditions between each graphite current collector plate and the conductive copper sheet are exactly the same during the measurement process, and the accuracy of the measurement results cannot be guaranteed, and the method is complicated to process and high in cost, so it is not suitable for promotion
Therefore, neither of the above two methods can effectively measure the current density distribution inside the flow battery with flow channels.
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[0042] Specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and is not limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
[0043] It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "comprises" mentioned throughout the spe...
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Abstract
The invention discloses a slot type current collecting structure and a measuring system and a measuring method thereof. The slot type current collecting structure comprises a current collecting frame(1), a plurality of knife-shaped graphite current collectors (2) and an insulated sealing gasket (3), wherein a liquid inlet (4) for introducing electrolyte is formed in one side of the current collecting frame (1), the opposite side is provided with a liquid outlet (5) for discharging electrolyte; a first surface (6) of the current collecting frame (1) is engraved with a runner groove (7) and a through groove (8) which are adjacent; one end of the runner groove (7) is communicated with the liquid inlet (4), and the other end of the runner groove (7) is communicated with the liquid outlet (5);knife body parts (9) of the plurality of knife-shaped graphite current collectors (2) are overlapped, and knife handle parts (10) of the plurality of knife-shaped graphite current collectors (2) arearranged oppositely; and the knife body part (9) of each knife-shaped graphite current collector (2) is inserted into the through groove (8) from a second surface (11) of the current collecting frame(1) relative to the first surface (6) and is protruded from the first surface (6) so as to form a runner ridge part, and the knife handle part (10) of each knife-shaped graphite current collector (2)is arranged in a groove (12) of the insulated sealing gasket (3).
Description
technical field [0001] The invention relates to the technical field of liquid flow batteries, in particular to a slot-type current collection structure for measuring the current density distribution of a flow battery with flow channels, a measurement system and a measurement method thereof. Background technique [0002] The uniformity of the current density distribution inside the electrode is one of the key operating parameters to evaluate the performance of the battery. The unevenness of the current density distribution inside the electrode will not only reduce the performance of the battery, but also cause serious adverse effects on its cost, life and even safety. . The uneven distribution of current density inside the electrode in time and space is mainly affected by comprehensive factors such as battery structure, materials, and operating parameters. There are complex and mutually coupled material conversion and transport processes inside the flow battery. Obtaining re...
Claims
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IPC IPC(8): H01M4/70H01M10/42H01M10/48H01M8/18
CPCH01M4/70H01M8/18H01M10/4285H01M10/48Y02E60/10Y02E60/50Y02P70/50
Inventor 屈治国王琼张剑飞
Owner XI AN JIAOTONG UNIV