Symmetrical double-cathode structure battery and preparation method and discharging method thereof

Abstract

The invention discloses a symmetrical double-cathode structure battery and a preparation method and a discharge method thereof, and the symmetrical double-cathode structure battery comprises a battery upper cathode plate, a battery lower cathode plate, a battery left anode plate, a battery right anode plate, a first current lead-out rod, a first battery connecting piece, a first segmented battery and a second segmented battery, the battery upper cathode plate is buckled on the battery lower cathode plate, and a battery left anode plate, a first sectional battery, a first battery connecting piece, a second sectional battery and a battery right anode plate are clamped between the battery upper cathode plate and the battery lower cathode plate; a first current lead-out rod penetrates through one ends of the battery left anode plate, the first battery connecting piece and the battery right anode plate, a first upper groove is formed in the battery upper cathode plate to avoid the first battery connecting piece, and a first lower groove is formed in the battery lower cathode plate to avoid the first battery connecting piece. According to the symmetrical double-cathode structure battery provided by the invention, the problem of concentration polarization caused by current collecting area difference in cathode and anode discharge reaction can be solved.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a battery with a symmetrical double-cathode structure, a preparation method and a discharge method thereof. Background technique [0002] Batteries in the prior art, such as rectangular parallelepiped batteries, do not consider the issue of the current collecting area of ​​the cathode and anode, but determine the length, width and height of the battery based on the total current collecting area. Then, electrons are derived from the two wide and high surfaces. Electrons are imported from the two long and wide surfaces, and the area of ​​the long and wide surfaces is obviously much larger than the area of ​​the wide and high surfaces, which results in the ability of the output electrons in the circuit to be lower than the ability of the input electrons, and the difference between the input and output in the case of the same cathode and anode reaction area is directly Affect the e...

AI Technical Summary

Problems solved by technology

[0002] Batteries in the prior art, such as rectangular parallelepiped batteries, do not consider the issue of the current collecting area of ​​the cathode and anode, but determine the length, width and height of the battery based on the total current collecting area. Then, electrons are derived from the two wide and high surfaces. Electrons are imported from the two long and wide surfaces, and the area of ​​the long and wide surfaces is obviously much larger than the area of ​​the wide and high surfaces, which results in the ability of the output electrons in the circuit to be lower than the ability of the input electrons, and the difference between the input and output in the case of the same cathode and anode reaction area is directly Affect the electrochemical reaction rate, resulting in the occurrence of battery concentration polarization

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