三大核心部件如何助力电池注液提高均一性？

Core Viewpoint - The article discusses the importance of liquid injection technology in lithium battery production, highlighting the critical components such as injection valves, vacuum injection valves, and back pressure needles that directly affect battery performance and safety. Group 1: Liquid Injection Technology - Liquid injection is a key process in lithium battery production, where the precise transmission of electrolyte is crucial for cell performance [1] - Injection valves are essential for high-precision metering and dynamic sealing, ensuring effective electrolyte transfer [3] - Vacuum injection valves play a critical role in eliminating internal bubbles and improving electrolyte wetting efficiency as energy density and process innovations increase [3] Group 2: Back Pressure Needles - Back pressure needles are vital for pressure regulation and stability in the injection system, directly impacting injection accuracy and cell consistency [4] - Guangzhou Feisheng Precision Equipment Co., Ltd. has accumulated extensive technical expertise in the design, manufacturing, and application of injection valves, vacuum injection valves, and back pressure needles since entering the lithium battery injection technology field in 2009 [4] Group 3: Product Development and Market Application - The company has developed a series of injection valve products tailored to the specific chemical properties of electrolytes and complex working conditions, optimizing valve core structures and sealing material selection to reduce residue risks and enhance stability [4][5] - The vacuum injection valve is designed to maintain stable sealing performance under high vacuum conditions, effectively preventing air ingress and electrolyte leakage, thus ensuring improved cell performance [5] - The back pressure needle features a modular design that adapts to various battery shapes, demonstrating good adaptability in both power and energy storage battery production [5] - The products have been widely adopted by leading domestic lithium battery manufacturers and have successfully entered international markets, including South Korea, Europe, and the United States [5]