The high and low temperature test chamber is used to simulate the working conditions of products in different temperature environments, and is widely used in industries such as electronics, electrical engineering, automotive, aviation, and materials. In order to ensure the accuracy and consistency of test results, it is necessary to not only rely on the …

With the continuous advancement of industrial technology, various industries have increasingly high requirements for product performance, especially in extreme environments. Whether in the fields of batteries, petrochemicals, aerospace, electronics, or other special environments involving high temperature, high humidity, low temperature, etc., products must be able to operate stably under various harsh conditions. In order to …

With the increasing degree of electrification in passenger transportation, the demand for lithium-ion batteries (LIBs) has significantly increased. However, they still face technical challenges, including improving energy density, shortening charging time, reducing production costs, and safety issues. Among them, thermal runaway is a key issue in battery safety research, especially for positive electrode material batteries …

In the context of rapid development of modern technology, constant temperature and humidity test chambers, as one of the important experimental equipment, are widely used in industries such as electronic products, components, and materials to test their adaptability under different temperature and humidity conditions.   The constant temperature and humidity test chamber simulates various climatic …

With the rapid development of the aviation industry, the power system of aircraft is becoming increasingly important, and the power lithium battery pack, as an important component of the aircraft power system, has many unique working characteristics, which are of great significance for improving the performance and safety of aircraft. Therefore, this article will introduce …

3 Testing Testing design: In the overcharge test, three batteries with different chemical properties (LFP, NMC, and NCA) were used for comparative behavior analysis. The reason for choosing these batteries is that LFP has a mild overcharge reaction, NMC electrode has stronger reactivity as a cathode material, and NCA oxide releases oxygen and causes thermal …

1 Introduction With the advancement of electrical and electronic engineering, modern life heavily relies on devices such as smartphones, tablets, electric bicycles, electric vehicles, power tools, and home energy storage systems. According to the IEC 61140 standard, these devices can be divided into two voltage levels: devices below 60V AC and 120V DC, and devices …

Lithium ion batteries widely used in many fields. However, in low-pressure environments, the safety of lithium-ion batteries will be challenged. The change in air pressure has a significant impact on the safety of batteries. We can analyze this issue through the following steps: 1 Lithium battery Structure and working principle The chemical reaction between the …

1 Cylindrical lithium-ion battery Lithium ion batteries come in various specifications and external dimensions, so measuring the thermal performance parameters of lithium batteries involves multiple testing methods and equipment. We first chose to conduct research on the thermal performance testing of cylindrical lithium-ion batteries, especially on the radial thermal conductivity testing technology for cylindrical lithium-ion …

In industrial production, drying equipment plays a crucial role by removing moisture from materials to achieve the purpose of preserving, processing, or improving product quality. As an important auxiliary equipment in the drying system, the performance and stability of the chiller directly affect the efficiency and effectiveness of the drying process.   So, what are …