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Feb , 15 2020
How to choose coin cell crimping machine for your laboratory from China? More and more universities and science research institute have project of study lithium ion battery, for coin cell battery lab research, coin cell crimper machine is necessary equipment, as we know, more and more people purchase equipment from China, today, we want to introduce some kinds of coin cell crimping machine to you,...
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Mar , 06 2020
Who knows the models of Celgard Battery Separator can be used for lithium battery? About battery separator: These films have numerous nano-scale voids. Although they are insulating materials and cannot conduct electrons, the voids allow lithium ions to pass through. When used in lab coin cell research, it is cut into a circle with a diameter equal to the internal diameter of the positive case of t...
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Mar , 19 2020
25µm Microporous Trilayer Membrane (PP/PE/PP) Celgard 2325 Separator for Lithium ion Battery Celgard 2325 is PE Ion exchange membrane for lithium battery Separator with 25 micron thickness, this seperator is a PP/PE/PP three layers (polypropylene-polyethyerlene-polypropylene) membrane. Primary Application:Secondary Lithium Batteries Product Features: 1. 25 µm microporous trilayer membrane (PP/PE/P...
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Apr , 01 2020
Why the manual coin cell crimper is most popular in lab? Coin cell crimping machine is a necessary tool for lab button battery assembly. There are many types in the market, such as hydraulic coin cell crimper, pneumatic coin cell crimper, electric coin cell crimping machine, pressure controlled coin cell lab crimper machine etc. But why the manual type is most popular? Here are some reasons for yo...
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Apr , 10 2020
Can Carbon Nanotube Be Used for Lithium ion Battery Material? Carbon nanotube is a one-dimensional quantum material with a special structure. It is mainly composed of hexagonal carbon atoms to form several layers to dozens of coaxial round tubes, maintaining a fixed distance between the layers, about 0.34 nanometers, the diameter is generally 2-20 nanometers. As a typical one-dimensional nanostruc...
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May , 09 2020
What is the thickness of aluminum foil and copper foil for lithium battery? With the rapid development of lithium batteries in recent years, current collectors for lithium batteries have also developed rapidly. The positive electrode aluminum foil has been reduced from 16um to 14um, then reduced to 12um in previous years, and now many battery manufacturers have already mass-produced 10um aluminum ...
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May , 10 2020
What are the requirements for surface roughness of copper and aluminum foils for lithium batteries? For the lithium ion battery current collector, in addition to its thickness and weight having an influence on the battery, the surface performance of the current collector has a greater influence on the production and performance of the battery. Especially for the negative electrode current collecto...
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Feb , 16 2022
In the structure of lithium batteries, the separator is one of the key inner layer components. The performance of the lithium battery separator(celgard 2400,celgard 2325,celgard 2500)determines the interface structure and internal resistance of the battery, which directly affects the capacity, cycle and safety performance of the battery. The separator with excellent performance plays an important ...
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Apr , 26 2022
As a new generation of green high-energy rechargeable batteries, lithium-ion batteries have the characteristics of high voltage, high energy density, good cycle performance, small self-discharge, and no memory effect. The main way to improve the specific energy of lithium-ion batteries is to use higher-capacity positive and anode battery materials, thinner separator paper, thinner copper foil and ...
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Jun , 28 2022
The lithium-ion battery slurry coating process is a process in which a non-Newtonian fluid contacts, flows, and solidifies a solid substrate.Different from the contact between the solid state, the lithium battery slurry is sprayed from the coating head and coated on the copper foil and aluminum foil, and there will be dynamic changes in the liquid state, including adhesion, wetting, leveling, rebo...
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Jul , 07 2022
The principle of ultrasonic metal welding is a special method of using the mechanical vibration energy of ultrasonic frequency to connect the same metal or dissimilar metal. When the metal is ultrasonically welded, it neither transmits current to the workpiece nor applies a high temperature heat source to the workpiece, but under static pressure, the frame vibration energy is converted into fricti...
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Aug , 18 2022
The sodium-ion battery mainly includes five parts: cathode electrode material, anode electrode material, battery electrolyte, battery current collector and battery separator. Cathode electrode material Cathode and anode materials affect key performance indicators such as energy density, power density, cycle life, and safety of Na-ion batteries, and are critical to battery performance. The mainstre...
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