The safety of lithium-ion batteries is our priority, especially in the fields related to the safety of our lives and property, such as passenger cars. In order to ensure the safety of lithium-ion battery, people have designed a variety of safety tests to ensure the safety of lithium-ion battery in case of abuse. Therefore, from the perspective of battery structure design...
Battery product standards, especially safety standards, are not only an important basis for restricting quality, but also an important means to standardize market order and promote technological progress. This paper introduces, summarizes and analyzes the existing common standards, and briefly discusses the problems existing in these standard systems. Common power li...
You want to be sure that your new product can withstand rapid changes in temperature. Are you thinking about investing in a thermal shock test chamber? We understand how difficult it is for businesses like yours to justify investing thousands of dollars on equipment that might not even work as well as an older model. Our Thermal Shock Chamber meets and exceeds in...
How do you know if your products will survive the wear and tear of everyday use? If you’re a manufacturer, then this is something that’s important to you. You want to make sure that your product can withstand rough handling, extreme temperatures or harsh chemicals. The Temperature Aging Test Chamber by DGBELL provides an environment where accurate testing can be don...
Basic contents of protection Compared with other types of power batteries, electric vehicle power lithium-ion battery is more prone to unsafe conditions such as combustion and explosion due to its electrochemical characteristics, structural characteristics and application environment, such as no special attention in the test process. During the test, especially in the te...
3.Protection of hardware facilities The elements of personnel protection have been listed above. It is not difficult to prepare these equipment. The important thing is to use appropriate equipment on appropriate occasions. Laboratory management should standardize this effective document, remove the paralytic thought of test operators and maintain preventive awareness. Re...
Lithium-ion batteries are widely used in various fields such as mobile devices, energy storage and new energy vehicles with their advantages of high cycle life than energy, but compared with other types of batteries, their safety is the main problem that needs to be solved. Lithium-ion batteries produce safety problems mainly through heat generation, and finally the way ...
Drop Test National standard GB31241GB/T18287 requirements: fully charged lithium-ion battery square battery six sides of each side fell once, fell to the cement ground, a total of six drops with a height of 1 meter; The positive and negative poles of the circular battery each fell once and the cylinder surface fell four times to the top of the 1 meter plank. After the en...
1.3 Overcharge test The overcharge of single battery shall be stopped after 1 I1 (A) current constant current charging until the voltage reaches 15 times of the charging termination voltage specified in the enterprise’s technical conditions or the charging time reaches 1h. Observe for 1h. During this process, the battery shall not explode or catch fire. The overcharge of...
Since the mass production of lithium battery, it has rapidly led the trend in the field of battery with its excellent performance such as high energy ratio, long cycle life and high electrode voltage. It has an absolute advantage in mobile phone, computer and other industries, and has become one of the important research topics of new energy vehicles. In order to meet th...
With the continuous advancement of energy technology, the use of electric vehicles has become a viable solution to environmental problems. Compared with other types of batteries, lithium-ion batteries have the advantages of high energy density, long cycle life, easy use and maintenance, etc., and have become the first choice for power batteries for electric vehicles. How...
Lithium-ion batteries, and a whole sample consisting of non-user replaceable batteries/lithium-ion batteries and their electronics. For non-user-replaced batteries, they should be installed in electronic products as a whole sample for standard lithium-ion battery environmental safety tests; For non-user replacement lithium-ion batteries, they can be placed in electronic ...
With the development of industry and information technology, environmental test has increasingly become an important means for various scientific research institutes and factories to test product quality. As one of the most important supporting equipment for environmental test and research, temperature and humidity test chamber is used more and more. In the previous lite...
In coastal areas, the atmosphere is full of salt fog, which mainly comes from the sea water. These salt fog in the atmosphere have strong corrosive application to commodities and materials. In the process of transportation, if it passes through the sea or coastal areas, the transported goods are likely to be damaged due to the corrosion of salt fog. Therefore, under such...
Thermal shock test chamber is a kind of test products to provide extremely high temperature and very low temperature environment and in a short period of time for cold and hot shock environmental test equipment. Mainly used in electronics, communications, materials, instrumentation, scientific research and other fields of product safety and reliability test and product s...
Environmental test equipment mainly simulates a series of natural conditions such as high and low temperature, damp heat, low pressure, sand and dust, and has high requirements for simulation accuracy. With the development of the industry. More and more customers need to put forward explosion-proof requirements for equipment while realizing the above environmental simula...
Environmental factors have a great impact on product reliability, and most of the failure of products is caused by environmental factors1 In nearly 20 environmental factors, the influence of temperature accounts for about 40% of the total proportion of environmental factors. Therefore, it is essential to select the appropriate parameters according to the characteristics ...
What is a Temperature Chamber? Temperature chambers are controlled atmospheres capable of creating conditions an item will be exposed to when it is in use. This highly controlled technological equipment can generate the various types of dangers, applications, and conditions that the product might encounter. To determine the longevity of an item, Temperature chambers can ...
1 Introduction In modern industry, the processing process of many products needs to be completed in a specific temperature and humidity environment. The performance testing tests such as reliability, weather resistance and service life of many products also need to be carried out in a specific temperature and humidity environment. Taking the benchmark testing of LED lamp...
Temperature Aging Chamber Aging Chamber has been designed to mimic environmental conditions to evaluate the durability and stability of products in stress conditions. Weber is a renowned producer and distributor of Aging Test Chambers in India and abroad. Weber provides scientific equipment at the most affordable prices and with a flexible design. International testing s...
Temperature Humidity Chamber simulates a variety of temperatures and humidity conditions to test various products and components. It can perform basic thermal cycling tests or accelerated stress testing. There are 6 models to choose from and test cabinets ranging in size from 80L up to 1000L. Customized sizes are also available. Imported temperature controllers regulate...
2.2 Different needle punching speeds The loading speeds are set to 1 mm/min, 5 mm/min, 10 mm/min, and 20 mm/min. It can be seen that the ultimate load increases with the increase of speed, and the maximum average ultimate load is 1.56 kN (20 mm/min). When the loading speed of the sample increases from 1mm/min to 20 mm/min, the average ultimate load increases by 14%. ...
The compression of power batteries by sharp objects is the main form of damage caused by car collisions, and it is also a very severe working condition. In severe cases, lithium-ion batteries can explode, causing damage to electric vehicles and even personal injury. In order to reveal the safety performance of lithium-ion batteries under nail penetration conditions, ...
With the rapid expansion of the electric vehicle market, problems related to electric vehicles are becoming increasingly prominent, and one of the most serious problems is the long charging time, so the demand for fast charging is becoming increasingly urgent. In addition, to meet the needs of some cold regions, the low-temperature performance of batteries is also of con...
Salt spray test is an environmental test that mainly uses the artificial simulated salt spray environmental conditions created by salt spray testing equipment to assess the corrosion resistance of products or metal materials. Compared with the natural environment, the salt concentration of chloride in its salt spray environment can be several times or tens of times highe...
The constant temperature and humidity test chamber is a highly precise testing equipment that can perform constant humidity and temperature performance testing on products under simulated natural environmental conditions to evaluate their performance, stability, and durability. 1 Composition of the system The equipment consists of five major systems, including contro...
Walk-in environmental chamber is a device used to test and determine the performance of electrical, electronic, and other products and materials in high, low, or constant temperature environments. This type of device is widely used in fields such as aviation, automobiles, home appliances, and scientific research, and can simulate various extreme environmental conditions ...
Due to limitations in materials, battery technology, and manufacturing processes, lithium-ion batteries have always faced significant fire risks during use. The safety of lithium-ion batteries under collision and compression has always been a focus of attention. In general, fires caused by external forces in lithium-ion batteries are fundamentally caused by internal ...
3 The impact of materials Generally speaking, the thermal stability of battery materials is an important factor in the safety of lithium-ion power batteries. This is mainly related to the thermal activity of battery materials. When the temperature of the battery rises, many exothermic reactions occur inside the battery. If the generated heat exceeds the heat loss, therma...
Lithium ion batteries are the latest and fastest commercialized high-performance batteries. Lithium ion batteries are currently widely used as new energy sources in various fields due to their unique advantages. Lithium ion batteries have the characteristics of high voltage, high specific energy, and good cycling performance, and are increasingly being used in the 3 C ma...
c) Short circuit test Lithium ion batteries are stored in an explosion-proof chamber at room temperature (20 ± 5) ℃. When the lithium-ion battery is short circuited externally, the external circuit resistance should be less than 5 mΩ. During the test, the lithium-ion battery should not explode or catch fire. Through experimentation. The battery did not explode or catch ...
As a development trend in the future automotive industry – electric vehicles. Its biggest safety hazard is the explosion, fire and combustion of the power battery. In fact, incidents of electric vehicle fires and combustion are not uncommon. The global incidents of electric vehicle fires also include Zotye spontaneous combustion, Volanda collision fires several days late...
Lithium batteries, especially lithium-ion batteries, have been widely used in various fields. Although lithium-ion batteries have developed rapidly and are widely used, if safety issues arise, the consequences will be very serious. Early lithium batteries used metallic lithium in the negative electrode, which was prone to lithium dendrites and even corrosion during charg...
The main reason for electric vehicle fires is due to battery fires, which are mainly caused by thermal runaway of the battery. The so-called thermal runaway refers to the heating of power batteries during operation. When the battery temperature is too high or the charging voltage is too high, a chain of chemical reactions will occur inside the battery, causing a sharp in...
1 Research background In order to effectively respond to the adverse changes in the environment and climate, reduce greenhouse gas emissions, and achieve the goals of carbon peak and carbon neutrality as soon as possible, the energy structure is rapidly transforming. The electrification of automobiles plays a crucial role in this energy revolution. Power batteries are th...
3.2 Volkswagen Standard PV 1210 PV 1210 is the cyclic salt spray corrosion standard for body and accessories of Volkswagen AG, and is the most widely used cyclic corrosion test standard. This standard is applicable to the corrosion detection of coated body, body sheet, structural components and other test samples. The test was divided into three stages: spraying salt...
