Fuel Cells Solutions

A good combination can not only improve cell utilization, but also control monomer consistency, which is the basis of achieving good discharge capacity and cycle stability. However, the dispersion degree of ac impedance of single battery capacity will be intensified, which will weaken the cycling performance and available capacity of battery. But how do you achieve good grouping of battery? Quanti...

Lithium ion battery is a kind of energy storage device, currently the commonly used lithium ion battery according to the cathode material can be divided into iron phosphate lithium battery, ternary battery and manganese acid lithium battery. Take the lithium iron phosphate battery as an example: when discharging, the iron phosphate in the positive electrode and the lithium ion transferred from the...

As the core product of replacing the fuel - powered vehicle, new energy vehicle has been accepted by more and more users. Similarly, as one of the components of new energy vehicles, power battery has a more and more promising market. As a high-tech enterprise in the field of lithium-ion battery and supercapacitor, TOB has always been committed to the development of the fuel cells, TOB New Energy c...

The most widely used battery is still lithium battery, but lithium battery also has some problems that need to be improved. One of the key problems is that the lithium battery cathode produces excess oxygen, which reacts with the electrolyte and causes a thin film to form on the surface of the battery cathode, reducing energy transfer and thus the overall performance of the battery. To solve this ...

Hi-pot test voltage of 200 ~ 500V is required before the battery cell is put into the battery stainless steel case(Test for high voltage short circuit) and vacuuming processing(Control dust further before loading the battery cells). We can provide the most professional lithium battery cells short circuit tester. Moisture, burr and dust are the three control points of lithium battery manufacturing,...

After the battery cells of the cylindrical battery passes through the rolling groove by battery grooving machine, the next step is very important: drying the battery cells. Battery cell in the production process will bring a certain amount of water, if not timely removal of water, control it within the standard value range, which will seriously affect the battery performance and safety performance...

Vacuum drying is to place the materials to be dried in a closed space, and use vacuum equipment to lower the air pressure in the closed space to an atmospheric pressure, while continuously heating the materials, so that the water molecules in the materials gradually diffuse to the surface of the materials due to the effect of pressure difference and concentration difference, and after the material...

The current production efficiency and yield of large cylindrical batteries are still relatively low, and there are still the following process difficulties in achieving high-efficiency mass production: 1) Full-tab forming: The difficulty lies in controlling the flattening accuracy and strength to avoid damage to the current collector or the generation of debris, dust, etc. 2) Collector plate and p...

1. Process Principles Stacking Process: Anode and cathode sheets are cut to specified dimensions, then laminated with separators to form unit cells. These unit cells are stacked in parallel to create battery modules. Winding Process: Pre-cut anode sheets, separators, and cathode sheets are wound in a defined sequence around a fixed mandrel, compressed into cylindrical, elliptical, or prismatic sha...

Low cell capacity is an intuitive judgment based on comparing the post-formation discharge capacity with the design value. If the measured capacity falls below the design specification, the first step is to verify whether the formation process parameters are correctly set (e.g., discharge current, charge duration, cutoff voltage, and formation temperature). ① If the formation steps are confirmed c...