Sodium battery VS lithium battery, can it be replaced?
Since last year, listed companies have continued to enter projects related to sodium batteries, and the industrialization process of sodium-ion batteries has also achieved certain…
The global market share of South Korean power batteries dropped to 23.5% in the period from January to July
According to a report by Yonhap News Agency, market research firm SNE Research released the latest data on September 5th, which shows that the global market share of South Korean power batteries declined by 1.7 percentage points year-on-year to 23.5% in the period from January to July 2023. According to data from the mentioned institution,…
Two solid-state batteries released
Recently, two companies have released new solid-state batteries, let’s take a look. 一. Ganfeng LiEnergy Public Account releases super semi-solid-state “Xinfeng” battery According to a September 5th announcement from Ganfeng LiEnergy’s official WeChat account, they have released the “XinFeng” super semi-solid-state battery. It is reported that this battery utilizes flexible solid electrolyte membranes and a…
A comprehensive discussion on battery testing machine
The development history of lithium battery testing can be traced back to the history of lithium batteries themselves. Lithium batteries are important energy storage and release devices, so rigorous testing and monitoring are necessary to ensure their performance, safety, and reliability. Here is the main development history of lithium battery testing: Early 1970s: The early…
Analysis of various concepts and principles of power batteries
1.Voltage (V) Open Circuit Voltage: The voltage of a battery when it is not connected to any external circuit or load. The open circuit voltage is somewhat related to the remaining energy of the battery and is often used for battery level indication. Operating Voltage: The potential difference between the positive and negative terminals of…
Pouch Battery Pack Machine
As we known, there are 3 types of lithium battery cell assembly: pouch cell/prismatic cell/cylindrical cell. Each of these battery assembly processes is different. This essay will talk about pouch cell, which is different from cylindrical and prismatic cells, here are some main features: Soft packing: Pouch battery cell assembly uses a soft material(aluminum-plastic film)…
Plummet! Lithium battery materials “Three Assassins” have fallen drastically
（The following article comes from Qidian Lithium Battery.） In the past two years, the “Three Assassins” of lithium battery materials that Ningde era has been snatching up have continued to decline and have lost their former glory. In 2021, driven by the strong logic of increasing demand for new energy vehicles, the prosperity of the…
Lithium Battery Top 10 Key Equipment – pulp-making machine
from LIDIANBIJI 01 Introduction to pulping process 1.1 The Importance of the Pulp-making Process The performance limit of lithium-ion batteries is determined by the chemical system used, including the active materials for the cathode and anode, as well as the electrolyte. However, the actual performance depends crucially on the microstructure of the electrode, which is…
Lithium Battery Top 10 Key Equipment – Winding Machine
Winding refers to a production process where electrode sheets, separators, and termination tapes with matching dimensions, which have been slit into strips, are rolled into jelly roll by controlling factors such as speed, tension, size, and deviation of the electrode sheets. 01. Overview of Winding Equipment Classification Classification of Mainstream Winding Machines Lithium battery winding machines are used to…
Lithium Battery Top 10 Key Equipment – Coating machine
Coating technology is a process based on the study of fluid properties, which involves applying one or multiple layers of liquid onto a substrate. The substrate is typically a flexible film or paper. The liquid coating is then dried or cured using methods such as oven drying to form a layer with special functionality, such…
Lithium Battery Top Ten Key Equipment Number Seven:Prismatic Cell Assembly Line
prismatic batteries refer to batteries with aluminum casings. They use laser sealing technology, and the fully sealed aluminum casing technology is already highly mature. It has low requirements for material technology indicators such as gas generation and expansion, making it an early popularized form of power battery in China. Compared to the other two forms of…
Lithium Battery Top 10 Key Equipment – calendering Machine
01 Functions, principles and influencing factors of rolling quality of calendering machine Functions of calendering machine Calendering is a process in which the coated and partially dried lithium battery electrode sheets are compacted. Calendering of electrode sheets increases the energy density of lithium batteries and ensures that the electrode materials are firmly attached to the current collector, preventing…
Lithium Battery Top 10 Key Equipment— Drying equipment
Water content has a significant impact on battery performance and must be strictly controlled during the manufacturing process. The presence of water in batteries can cause degradation of the electrolyte, or react with the electrolyte to produce harmful gases, leading to increased pressure and deformation within the battery. Excessive water content in batteries can also…