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 test with high …
2.1.2 Overcharge / overdischarge test In order to evaluate the function of overcharge / overdischarge protection system, it may occur when the battery charging or discharging exceeds the limits recommended by the manufacturer, such as charger failure. Almost all standards and regulations stipulate this test item The important safety hazards during overcharge are electrolyte decomposition, …
Power lithium-ion batteries must pass a series of safety tests before they can be used in electric vehicles. These safety tests are to understand and identify the potential weakness and vulnerability of the battery under abnormal conditions, and determine the performance of the battery under severe conditions. Due to the limitation of space, the author …
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 lithium ion battery standards …
Lithium ion battery, and the whole sample composed of non user replaceable battery / lithium ion battery and its electronic products. For non user replaceable batteries, they shall be installed in electronic products as an overall sample for environmental safety test of lithium-ion batteries in the standard; For non user replaceable lithium-ion batteries, they can …
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 …
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 …
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 …
Temperature and humidity control is critical in the testing of products. However, it can be tricky to control both at once. This article will show you how to use a temperature cycling test chamber with an integrated humidifier and dehumidifier so that you can keep your environment stable while still getting accurate readings on your …
Poor air circulation can result in inaccurate temperature & humidity testing, which is why it’s important to have the right equipment. Air flow is one of the most critical components for a good test chamber. If you don’t have enough air circulating around your samples, they could be subjected to hot or cold spots that …