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In daily life and outdoor activities, a flashlight is almost an indispensable piece of equipment. Whether for camping, hiking, home emergencies, or nighttime adventures, a fully functional flashlight can greatly enhance the user experience. In this issue, the irayenergy editor will tear down a product known as the “Little Wildman Multi-Function Flashlight” to see what…
With the global energy transition and low-carbon transformation accelerating, competition in electrochemical energy technologies has become a focal point. Lithium-ion batteries, backed by a mature industrial chain, are already widely used in consumer electronics and electric vehicles. Fuel cells, on the other hand, are highly regarded for their advantages in energy density and fast refueling….
Introduction How can high-temperature performance be improved? To make it easier for readers to follow and understand, the editor from Iray Energy will break this question down into several perspectives. 1. Control of Water Content Although moisture is only a minor impurity in lithium-ion batteries, it has a significant negative impact on high-temperature performance. The…
Introduction In the previous article on standards, the editor from Iray Energy shared the testing conditions for lithium-ion batteries under high temperature, and pointed out that the main performance degradations after high-temperature storage include capacity fade, thickness swelling, and increased internal resistance. This naturally brings up the following question: What exactly happens inside a lithium-ion…
Introduction When it comes to the performance of lithium-ion batteries, high temperature is definitely one of the unavoidable topics. The reasons are simple: lithium-ion batteries generate heat during charging and discharging; they are often stored or even used in high-temperature environments; and our planet is continuously getting warmer… In the field of lithium-ion batteries, what…
In the field of lithium battery research, many beginners often get confused about the naming of “anode” and “cathode”: Why, when studying anode materials, is lithium metal used as the cathode in experiments? Since the tested anode material gains electrons during testing, why is it still called the “anode”? What is the difference between researching…
In the research, manufacturing, and failure analysis of lithium batteries, the term “lithium plating” frequently appears. Simply put, lithium plating occurs when lithium ions, which should normally intercalate into the anode active material, are abnormally reduced to metallic lithium and deposited on the anode surface or the separator. As the deposited lithium accumulates, it can…
In routine storage and practical applications, lithium-ion batteries often face a variety of environmental and external challenges. Room-temperature storage, high-temperature storage, and shell stress testing are the key verification procedures to address these challenges. The room-temperature storage test focuses on the battery’s ability to maintain performance under normal storage conditions and concerns the reliability of…
In the R&D, mass production, and pre-delivery stages of lithium-ion batteries, environmental performance testing is a critical link connecting laboratory validation with real-world use and transportation scenarios. Through conditions such as high-altitude (low-pressure) simulation, high-temperature and high-humidity storage, and temperature cycling, cells and batteries are systematically evaluated for sealing integrity, capacity retention, and safety thresholds…
Mechanical performance testing is used to simulate the effects of external forces on lithium-ion cells/batteries during handling and transportation, including drops and impacts in transit. It is also used to verify the battery’s overall structural strength, the resistance of tabs and separator to mechanical damage from external forces, and the trigger boundaries for thermal runaway….
+8615017914702
+8615017914702
allen@irayenergy.com
