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…
Mobile phone shell accessories placement classification and advantages
In the third quarter of 2022, due to the continued downturn in the global economy, consumers’ demand for replacement phones will be suppressed, and global smartphone shipments will decline year-on-year for three consecutive quarters, with a decline of 9%, which is the same as in the second quarter. Samsung maintained its top spot in global…
SMT mounting machine can achieve quality traceability in the production of 3C products
With the rapid development of the electronic market, the matching process, technology and manufacturing equipment have also greatly accelerated the pace of replacement. Smart electronic products have more and more functions, and the production process and requirements are also getting higher and higher. As we all know, electronic products are accompanied by our daily life….
The development history of mounting technology
Since the reform and opening up, China’s manufacturing industry has developed rapidly and rapidly promoted the process of industrialization. The development of China’s manufacturing industry is closely related to the process of industrialization and the process of economic globalization. China has given full play to its comparative advantages and actively participated in the division of…
Future development prospects of power batteries
1. The policy is favorable for the new energy vehicle industry and drives the development of the power battery industry At present, China has established a relatively complete policy support system for the new energy vehicle industry in terms of research and development, production, purchase, use, and infrastructure, which is conducive to the further development…
Mixing
The positive electrode slurry is composed of binder, conductive agent, positive electrode material, etc.; the negative electrode slurry is composed of binder, graphite carbon powder, etc. The preparation of positive and negative electrode slurries includes a series of processes such as mixing, dissolving, and dispersing between liquid and liquid, liquid and solid materials, and this…
Coating
The main purpose of coating is to evenly coat the slurry with good stability, good viscosity and good fluidity on the surface of copper foil or aluminum foil. Its significance to lithium batteries is mainly reflected in three aspects: consistency, cycle life, and safety. During the coating process, if the thickness of the positive and…
Calendering
The significance of rolling is to compact the electrode sheet and increase the energy density of the battery. After the electrode sheet is coated and dried in the previous process, the peel strength between the active material and the foil is very low, so it needs to be rolled to enhance the bonding strength between…
Slitting
The function of the slitting machine is to slit the rolled electrode sheet to the required width, which is the key process before winding. The low-end slitting machine has low mechanical precision and simple tension control, which cannot adapt to the slitting of ultra-thin film materials. With the improvement of users’ requirements for slitting efficiency…
Winding
Tension control is the core technology that affects the advanced degree of winding machine. During the entire winding process, in order to ensure the high consistency of the battery assembled from the cells, special attention should be paid to the tension control of the winding. The difference in tightness caused by tension fluctuations will cause…
Stacking
When the stacking machine is used in the production of pouch batteries, it can achieve higher performance and safety than cylindrical and prismatic batteries. The stacking machine stacks the positive electrode sheet, separator, and negative electrode sheet in order to form a small battery cell, and then stacks the small battery cells in parallel to…
Electrolyte Filling
Control the amount of liquid electrolyte and injection time, so that the liquid electrolyte is injected into the battery from the liquid injection port. The main purpose is to form ion channels, so as to ensure that the battery has enough lithium ions to migrate between the positive and negative electrodes during the charging and…
Formation
The composition, content and detection system are the most critical links in the back-end process. The composition and capacity of the lithium battery cell is to realize the initialization of the battery by charging and discharging, and activate the active material of the cell, which is a process of energy conversion. The composition and capacity…