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The Function Of Battery Testers
Dec 16 , 2019
Battery Research
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The electronic gadgets available now have become a part of day to day life. In fact, it has been so for many years now. These gadgets have made all tasks much easier and also less time consuming, and thus the work is done much faster. One such useful product used today is the electrician test equipment. The electrical test equipments can be be classified in to different categories depending on the...read more
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Understanding of winding machineDec 16 , 2019According to the operation mode, can be divided into:manual winding machine,semi automatic winding machine,automatic winding machine.Lithium battery winding machineand the capacitor winding machine, buyers usually according to classification of origin, mainly divided into: domestic winding machine, winding machine, South Korea Japan winding machine. Battery manufacturers generally small scale will...read more
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Electric Lab Roll Press MachineDec 16 , 2019We have some large factories that we more or less have seen roller press. But surely everyone for roller press is not so understanding. Here I am for everyone detail our company’s flagship product roll press. Roller press and a series of broken classifier as a pre-grinding system with open cement mill roll grinding system consisting, in particular the process of using the system as a new and effic...read more
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Introduction to The Graphene MaterialsDec 16 , 2019Graphene Oxide is a two-dimensional planar nanomaterial composed of carbon atoms with a hexagonal honeycomb lattice，the c-c bond length is 0.141nm, the theoretical density is about 0.77mg/m2, and the thickness is only about the diameter of a carbon atom. Carbon atoms participate in hybridization in the way of sp2, and electrons can smoothly conduct between layers, so graphene conducts electricity ...read more
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The Electrode Coating Machine is the key equipment for the production of lithium battery electrode. Because it directly affects the subsequent rolling operation, and even affects the performance of the entire battery. At present, the mainly lithium battery electrode coating process is: scraper type, roll to roll transfer coating type and a slit extrusion type. General speaking, laboratory equipmen...read more
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Lithium Battery Cathode MaterialsDec 16 , 2019The main components of lithium ion battery include cathode, anode, electrolyte, membrane, etc. The storage and release of lithium ion energy is realized in the form of REDOX reaction of electrode materials, and the cathode active material is the most critical core material of lithium ion battery. Professor GOODENOUGH, the father of lithium battery, has made a great contribution to the research of ...read more
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High-capacity Lithium-air BatteryDec 16 , 2019The lithium-air battery is a new type of high-capacity lithium-ion battery developed by the Japan Industrial Technology Research Institute and the Japan Society for the Promotion of Science (JSPS). The battery uses lithium metal as the negative electrode, oxygen in the air as the positive electrode, and the electrodes are separated by a solid electrolyte; the negative electrode uses an organic ele...read more
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High-voltage Resistant ElectrolyteDec 16 , 2019Although high-voltage lithium battery materials are getting more and more attention, these high-voltage anode materials are still unable to achieve good results in practical production and application. The biggest limiting factor is that the electrochemical stability window of the carbonate-based electrolyte is low. When the battery voltage reaches about 4．5（vs．Li/Li＋）, the electrolyte begins to p...read more
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High Temperature Resistant Battery SeparatorDec 16 , 2019The battery separator plays a major role in lithium ion battery conduction lithium ions and isolation between the positive and negative electrode electronic contact. It is an important component to support the battery to complete the electrochemical process of charge and discharge. In the use of lithium batteries, when the battery overcharge or at higher temperatures, the separator need to have en...read more
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High voltage and high capacity lithium-rich materialDec 16 , 2019The lithium-rich manganese-based (xLi[Li1/3-Mn2/3]O2; (1–x) LiMO2, M is a transition metal 0≤x≤1, and the structure is similar to LiCoO2) has a high discharge specific capacity. It is about twice the actual capacity of the cathode material currently used, and is therefore widely studied for lithium battery materials. In addition, since the material contains a large amount of Mn element, it is more...read more
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Lithium ion batteries have the advantages of large capacity, high specific energy, good cycle life and no memory effect. Lithium-ion batteries are developing rapidly, and their capacity, as the most critical performance indicator, has attracted researchers' attention. Correspondingly, lithium battery PACK is continuously developing towards large capacity, fast charging, long life and high safety, ...read more
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Good Combination Can Improve Battery Cells UtilizationFeb 11 , 2020A 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...read more
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The appropriate battery charging system has an important influence on the discharge capacity of the battery. If the charging depth is shallow, the discharge capacity will be correspondingly reduced. If overcharged, the battery will affect the chemical active substances, causing irreversible damage. Reduce battery capacity and life. Therefore, it is necessary to select the appropriate charging rate...read more
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How Lithium-ion Batteries and Fuel Cells WorkMar 18 , 2020Lithium 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...read more
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Electrode Preparation is a key part in the whole battery manufacturing process, the quality of electrode directly affects the next step. The battery slurry preparation is a non - Newtonian high viscosity fluid which is formed by mixing the active materials, binders, solvents and other powders evenly. This slurry requires a certain viscosity, good fluidity and a sufficiently small particle size. So...read more
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When preparing the electrode of lithium ion battery, aluminum foil is used as the cathode current collector foil, while copper foil is used as the anode current collector foil. If a single smooth foil is used, it is recommended to apply the foil on the rough side to increase the bonding force between the current collector foil and the materials. There is no special requirement for the thickness of...read more
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Battery Electrode Drying ProcessApr 17 , 2020The lithium battery electrode is a coating composed of particles. During the preparation of the electrode, a uniform wet slurry is applied to the metal current collector foil, and then the solvent in the dehumidification coating is removed by drying. Battery binder or dispersant as well as conductive agent such as carbon black are often added to the battery electrode slurry. Although the solid con...read more
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After electrode coating, electrode through drying process in oven and the coated electrode becomes loose. If used directly, the cathode material and anode material is easy to fall off and damage after being soaked by electrolyte. The electrode can be pressed by the battery electrode roller machine. The stability, firmness and electrochemical properties of the pressed electrode were improved, and t...read more
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Lithium Chip Metal lithium chip used in the laboratory can provide a far greater source of lithium, Lithium chip shall have less impurities and the size shall be larger than that of the electrode to be measured, and the purity of lithium chip shall not be less than 99.9%. General requirements for lithium chip in the preparation of coin cell: diameter 15 ~ 15.8mm (the corresponding electrode size i...read more
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If the surface of the prepared battery electrode is flat, there is no significant particulate matter. In addition, there is no obvious material drop in the baking, room temperature cooling and transfer process, so it can be preliminarily judged that the preparation of pole sheet is qualified. Further comparison can be made on the quality, thickness of the battery electrode, and the dropping of the...read more
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