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An electrolyte intermittent circulation metal/air battery system

An air battery and circulating system technology, applied in the direction of electrolyte flow treatment, fuel cell additives, fuel cell type half cells and primary cell type half cells, etc., to improve the utilization rate, simplify the battery maintenance process, and avoid self-corrosion Effect

Active Publication Date: 2015-11-11
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Aiming at the shortcomings of the existing metal / air battery electrolyte management methods, the present invention proposes an electrolyte intermittent circulation metal / air battery system and its operation control method

Method used

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  • An electrolyte intermittent circulation metal/air battery system
  • An electrolyte intermittent circulation metal/air battery system
  • An electrolyte intermittent circulation metal/air battery system

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Embodiment Construction

[0033] Such as figure 1As shown, an electrolyte intermittent circulation metal / air battery system includes a magnesium / air battery pack (1) composed of four magnesium / air single cells in series; a rectangular parallelepiped electrolyte storage box (2) for storing The concentration of 10% NaCl solution is intermittently supplied to the magnesium / air battery pack; the electrolyte circulation system (3) is used to provide transmission channels for the intermittent circulation of the electrolyte; the product discharge system (4) is used to regularly discharge Mg ( Oh) 2 and other product residues;

[0034] The electrolyte circulation system (3) includes the main electrolyte filling pipeline (5), the peristaltic pump (7) placed on the main electrolyte filling pipeline (5) (for electrolyte filling), the electrolyte filling branch pipe Road (6), electrolyte circulation sub-pipeline (8), electrolyte circulation main pipeline (9); among them, one end of the electrolyte filling main p...

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Abstract

The invention relates to an electrolyte intermittent circulating type metal / air battery system. The electrolyte intermittent circulating type metal / air battery system comprises a metal / air battery pack (1), an electrolyte storage box (2), an electrolyte circulatory system (3), a product discharging system (4) and a secondary battery connected to the metal / air battery pack in parallel. An operating control method of the electrolyte intermittent circulating type metal / air battery system comprises the following steps: externally discharging by the metal / air battery pack, charging and discharging the secondary battery, discharging a product and replacing electrolyte. Compared with the prior art, the electrolyte intermittent circulating type metal / air battery system has the advantages that the independent filling of the electrolyte and the independent discharging of the product can be realized, and the maintenance process of the battery is simplified; the electrolyte intermittently circulates, a circulating pump does not continuously work, and the energy consumption of the pump and the noise in the working process of the battery are reduced; heat generated in the working process of the battery can be discharged from the battery along with the electrolyte, and the heat emission is realized in a static process; when the battery stops working, the electrolyte and a metal positive pole are partitioned and stored, and the self corrosion of the metal positive pole in the storage process is avoided, and the utilization rate of the metal positive pole is increased.

Description

technical field [0001] The invention relates to a metal / air battery system, in particular to a metal / air battery system for intermittent circulation of electrolytes such as magnesium, aluminum and zinc. Background technique [0002] A metal / air battery is an electrochemical reaction device that uses metal (such as magnesium, aluminum, zinc, etc.) as the anode fuel, oxygen in the air as the oxidant, and lye or neutral brine as the electrolyte solution. my country's magnesium, aluminum, zinc and other metals are rich in reserves and low in price. Therefore, metal / air batteries have broad application prospects in many fields of mobile power sources such as communication power sources, field emergency power sources, lighting power sources, and reserve power sources. Metal / air batteries have the characteristics of high energy density, no pollution of reactants and products, and quiet operation. Taking magnesium / air battery as an example, its theoretical energy density is as high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M12/06
CPCH01M8/04276H01M12/08Y02E60/10Y02E60/50
Inventor 孙公权王二东陈利康秦兵
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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