news
Thermal runaway in lithium batteries is indeed an inevitable phenomenon, primarily due to the highly reactive chemical nature of lithium metal, which demands extremely high environmental standards for its processing, storage, and use. I. Causes of Lithium Battery Thermal Runaway 1. Internal Short Circuit: When a short circuit occurs between the positive and negative electrodes…
Prismatic aluminum shell batteries are lithium-ion batteries that use an aluminum alloy casing, composed of components such as the cell (positive and negative electrodes, separator), electrolyte, casing, and top cap. They have the following characteristics: Structural Composition: Includes a top cap, aluminum casing, and jelly roll (rolled electrode assembly), which are sealed into an integrated…
The fear of cold temperatures by lithium batteries is primarily related to their internal chemical reactions and physical properties. 1. **Slowing of Chemical Reaction Rates** During the charging and discharging processes of lithium batteries, the migration of lithium ions between the cathode and anode, as well as the chemical reactions of the electrode active materials,…
1. **Cathode (Positive Electrode):** The cathode is typically made by applying lithium-containing compounds onto a metal aluminum foil. Common active materials include lithium manganate, lithium cobaltate, ternary materials (such as lithium nickel manganese cobalt oxide), and lithium iron phosphate. The primary function of the cathode material is to store and release lithium ions. 2. **Anode…
System Background 1. **Quality Management System**: – The 2015 version of ISO9001 “Quality Management Systems Requirements” was officially released on September 23, 2015. – The Chinese national standard GB/T19001-2016 was officially released on December 30, 2016. – After its release, GB/T19001-2016 will replace GB/T19001-2008 as the basis for quality management system certification. The transition period…
Sodium-ion batteries are a type of secondary battery that primarily relies on the movement of sodium ions between the positive and negative electrodes to complete the charging and discharging process. These batteries are similar to lithium-ion batteries in terms of their working principle. However, since sodium and lithium are elements of the same main group,…
All-solid-state batteries are a type of battery technology characterized by the use of solid electrolytes instead of traditional liquid electrolytes. In these batteries, every component is in a solid state, including the cathode, anode, and solid electrolyte. The main advantages of all-solid-state batteries include: ★ High Safety: As they do not use flammable organic solvents,…
Lithium-ion batteries are secondary rechargeable batteries that primarily operate through the movement of lithium ions (Li+) between the positive and negative electrodes. During the charging and discharging process, Li+ ions shuttle between the two electrodes by intercalating and de-intercalating: when charging, Li+ ions de-intercalate from the positive electrode, pass through the electrolyte, and intercalate into…
Introduction to Metallic Lithium Lithium is a metallic element, positioned at the forefront of metals in the periodic table. Its chemical symbol is Li, and it is a silver-white, extremely soft, and highly reactive metal. It is the lightest metal among all metals, and in lithium batteries, it is typically used in the form of…
The application scenarios of energy storage batteries are very wide, covering many fields from power systems to transportation, from industrial production to residents’ lives. The following is a detailed summary of the main application scenarios of energy storage batteries:
