A semi-solid lithium ion battery liquid injection equipment

By designing a semi-solid lithium-ion battery electrolyte injection device, the problem of difficult injection of multi-component gel electrolyte was solved, achieving uniform mixing and efficient injection of electrolyte, thereby improving the production efficiency and electrochemical performance of lithium-ion batteries.

CN224384495UActive Publication Date: 2026-06-19TAIDING NEW ENERGY (ZHEJIANG) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIDING NEW ENERGY (ZHEJIANG) CO LTD
Filing Date
2025-07-07
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing liquid battery filling production lines have difficulty handling multi-component gel electrolytes, resulting in filling difficulties and poor wettability, which affects the cycle performance and electrochemical performance of lithium-ion batteries.

Method used

Design a semi-solid lithium-ion battery electrolyte filling device, including a stirring tank and multiple storage tanks to store different components of gel electrolyte. The mixing and filling are precisely controlled by pipes and filling nozzles. The device combines a stirrer and a vibration motor to ensure uniform mixing. The pipes with a special coating are used to improve the filling efficiency, and a cleaning system is used to prevent residue.

Benefits of technology

It achieves uniform mixing and efficient injection of gel electrolyte, ensuring the wettability of the electrolyte to the battery cell, improving production efficiency and compatibility with existing production lines, avoiding electrolyte reactions during storage, and ensuring battery performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the application provides a semi-solid lithium ion battery liquid injection equipment, which comprises a stirring tank, a stirrer is installed in the stirring tank for stirring, a feeding port of the stirring tank is communicated with a plurality of storage tanks through a first pipeline respectively, and a discharging port of the stirring tank is communicated with a plurality of liquid injection nozzles through a second pipeline respectively; different components of gel electrolyte are stored in different storage tanks respectively, and in production, different components of electrolyte can be added into the stirring tank in proportion, and then liquid injection is carried out after uniform mixing in the stirring tank, so that electrolyte reaction during storage can be avoided to cause liquid injection difficulty, electrolyte wettability to the inside of the battery is not affected, and the adaptability to the existing production line and the production efficiency are ensured.
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