Gas Extraction Device

Abstract

The present invention provides a gas production extraction device, which includes: a first pipeline, one end of which communicates with the interior of the product; a joint, connected to the other end of the first pipeline; a second pipeline, which communicates with the first pipeline through the joint; third a pipe, communicated with the first pipe and the second pipe via a joint; a first valve, arranged on the second pipe; a second valve, arranged on the third pipe; a pressure pump, connected to the other end of the third pipe; The liquid is filled in the first pipe, the second pipe, the third pipe and the joint, and does not flow into the product. The gas production extraction device of the present invention can extract the gas produced in the process of product storage and use in real time, and extract the same product at different times, which simplifies the process of gas extraction, improves the efficiency and accuracy of product gas production analysis, and ensures Reliability of analysis results.

Description

Technical field [0001] The invention relates to the field of gas extraction, and in particular to a gas extraction device. Background technique [0002] Lithium-ion batteries have been widely used in notebook computers, cameras, mobile communication terminals and electric vehicles. With the development of science and technology, higher requirements have been put forward for lithium-ion batteries, especially for electric vehicles. Very demanding requirements such as high energy density and good safety performance have been put forward for lithium-ion batteries to meet their endurance and driving safety. . Although lithium iron phosphate has good safety performance, it cannot meet the energy density requirements of electric vehicles. Ternary materials have received widespread attention due to their high energy density and other advantages. [0003] Ternary materials are used as the cathode materials of power batteries, and a large amount of gas is easily generated inside the batter...

AI Technical Summary

Problems solved by technology

[0004] There are some obvious deficiencies in the existing method. Using this method to analyze the gas production of batteries at different times requires analyzing the gas composition of the same battery at different times, which requires a large number of batteries and storage resources; on the other hand, If the consistency of the cells is poor, the analysis results may deviate from the actual

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