Battery Preheating Technology 1. What is Battery Thermal Management? Batteries can’t handle excessive heat or extreme cold. Their optimal operating temperature range is between 15-40°C. However, vehicles operate in a wide range of conditions, from -20°C to 55°C, which creates a temperature challenge. How is this issue typically addressed? The solution is to equip the battery … Read more

The Impact of Moisture in the Lithium Battery Manufacturing Process Introduction In the manufacturing process of lithium-ion batteries, there are three crucial factors that must be strictly controlled: dust, metal particles, and moisture. Failure to control dust and metal particles properly can directly lead to safety incidents such as internal short circuits, fires, and combustion … Read more

Overview of PVDF Binder in Lithium Batteries Polyvinylidene fluoride (PVDF) is a semi-crystalline fluorinated polymer that is soluble in polar organic solvents and possesses high viscosity and adhesive properties. The electrode binder materials for lithium batteries prepared with PVDF exhibit excellent chemical stability, temperature stability, and a strong affinity for the electrolyte. Consequently, it has … Read more

Lithium-ion Battery Testing Process Testing process for lithium-ion batteries play a crucial role in evaluating battery performance and reliability. Whether used in portable electronic devices or electric vehicles, the performance of lithium-ion batteries must undergo comprehensive testing under various conditions. Here, we will introduce a series of steps for testing lithium-ion batteries to ensure their outstanding … Read more

Quality Management of Lithium Battery Cathode Materials The performance of lithium-ion batteries is closely related to the quality of the cathode materials. The article discusses several failure modes of cathode materials that significantly impact the performance of lithium-ion batteries, such as the presence of metal impurities, excessive moisture, and poor batch consistency. It elucidates the serious harm … Read more

Positive Electrode Materials: High Nickelization Currently, there are three major trends in ternary positive electrode materials: single crystallization, high voltageization, and high nickelization. The development of single crystallization is primarily aimed at improving the battery’s cycle life, while high voltageization and high nickelization are focused on enhancing energy density. In the direction of single crystallization, notable … Read more