Since lithium batteries were invented, they have been the focus of research in the battery industry because they are ideal batteries for new energy storage power sources. What are the cathode materials for lithium batteries? Mainly include LCo (Li-CO2), LMO (Li-MnO2), NCM (Li-NiCoMn), LFP (LiFePO4). Here are some of their respective characteristics: 1. Lithium battery cathode material: LCo (1) Advantages 1) Excellent electrochemical performance: The average capacity attenuation per cycle is <0.05%, and the first discharge specific capacity is >135mAh/g, The ratio of 3.6V initial discharge plateau>85%. 2) Excellent processing performance. 3) The tap density is large, which helps to increase the volumetric capacity of the battery. 4) The product has stable performance and good consistency. 5) The advantages of high working voltage, stable discharge, high specific energy and good cycle performance. 6) It is suitable for large-flow discharge and lithium ion insertion and extraction, and it is the first to be used in lithium ion batteries. (2) Disadvantages 1) The actual capacity of LiCo02 is about 140mA/g, which is only about 50% of the theoretical capacity (274mA/g). 2) In the process of repeated charging and discharging, the structure of the active material changes after repeated shrinkage and expansion due to repeated insertion and extraction of lithium ions, resulting in an increase in the internal resistance of LiCo02 and a decrease in capacity. 2. Lithium battery cathode material: LMO A layered structure of trivalent manganese oxide LiMnO2. The theoretical capacity of the cathode material is 286 mAh/g, and the actual capacity is about 200 mAh/g. Operating voltage range is 3~4.5V. The main advantages of the cathode material are: abundant manganese resources, low price, high safety, and relatively easy preparation. There are structural instability problems during charging and discharging and dissolution problems at higher operating temperatures. 3. Lithium battery cathode material: NCM NCM means that the cathode electrode material is composed of nickel, diamond and manganese in a certain proportion. Advantages: high specific capacity, long cycle life, good safety performance, low price Disadvantages: 1)The first charge and discharge efficiency of the material is low. 2)The mixing and discharging of cations in the lithium layer affects the first charge and discharge efficiency and cycle stability of the material. 3)The material has a low discharge voltage platform 4. Lithium battery cathode material: LFP Advantages: 1) Stability and safety; 2) The actual specific capacity can reach more than 140mAh.g-1 under low current charge and discharge, and the structure is not destroyed 3) Good cycle performance (under 100% DOD conditions, it can charge and discharge more than 2000 times); 4) Good overcharge resistance, which is conducive to battery combination use; 5) The source of raw materials is abundant and cheap; 6) Does not contain any heavy ...

1. Definition of cylindrical lithium battery Cylindrical lithium battery is a kind of lithium ion battery. Its shape is cylindrical, so it is called cylindrical lithium battery. Cylindrical lithium battery is divided into lithium cobalt oxide (LiCoO2), lithium manganate (LiMn2O4), Lithium nickel cobalt manganate (LiNiMnCoO2 or NMC), lithium nickel cobalt aluminate (LiNiCoAlO2 or NCA), lithium iron phosphate (LiFePO4) and lithium titanate (Li4Ti5O12). There are many types of cylindrical lithium batteries, the common ones are 14500, 14650, 18500, 18650, 21700, 26650, 32650, etc., which are widely used in various equipment. 2. Cylindrical lithium battery structure The structure of a typical cylindrical battery includes: shell, cap, positive electrode, negative electrode, separator, electrolyte, PTC element, gasket, safety valve, etc. Generally, the battery case is the negative electrode of the battery, the cap is the positive electrode of the battery, and the battery case is made of nickel-plated steel plate. 3. The advantages of cylindrical lithium batteries The production process is mature, the PACK cost is low, the battery product yield rate is high, and the heat dissipation performance is good. Cylindrical batteries have formed a series of internationally unified standard specifications and models with mature technology and suitable for continuous mass production. The specific surface area of the cylinder is large, and the heat dissipation effect is good. Cylindrical batteries are generally sealed batteries, and there are no maintenance problems during use. The battery shell has high pressure resistance, and there will be no phenomena such as square, flexible packaging battery swelling during use. 4.Cylindrical lithium battery cells, modules and battery packs 1. Cylindrical lithium battery： The battery cell is the smallest unit of a lithium battery pack and also an electric energy storage unit. It must have a higher energy density to store as much electric energy as possible to make the equipment work longer. In addition, the life of the lithium battery is also the most critical factor, any damage to a battery will cause damage to the entire battery pack.  2. Lithium battery module： When multiple cells are encapsulated by the same housing frame and communicate with the outside through a unified boundary, this constitutes a module.  3. Lithium battery pack When several modules are jointly controlled or managed by the BMS and thermal management system, this unified whole is called a lithium battery pack. Cylindrical lithium battery safety test items In order to ensure the safety of cylindrical lithium batteries, domestic and foreign institutions have formulated various safety testing standards for cylindrical lithium batteries. General testing standards generally divide safety testing items into the following four categories:  Electrical test: overcharge, overdischarge, external short circuit, forced discharge, etc.  Mechanical...

8-channel high-precision battery test system designed to measure battery performance up to 5V in the range of 12mA to 12A. This system is the best tool to study the next generation of energy storage materials and rechargeable batteries. Designed according to international standards, the system for each channel has an independent constant current source and constant voltage source. Constant current source and constant voltage source can be programmed and controlled according to the scheme. In addition, each channel has an independent signal source to meet the dynamic requirements of internal resistance measurement. 1.The most popular is 8 channels 5V 6A battery cell tester，most commonly used in laboratories and factories, used to test the voltage, current and capacitance of the battery and charging and discharging. Applicable to a wide range of users, for various research institutions, universities, battery production enterprises, new energy vehicle manufacturers, battery use enterprises and so on. 2.Besides,  milliamp battery tester is also widely used for button battery detection, it supports some testings as follow: Coin cell charge/discharge, DCIR(Direct Current Internal Resistane), cycle life testing and rate testing. 3.8-channels testing machine need to match the median machine, a machine is used to connect the computer and test equipment in the middle of the equipment, makes the equipment can run out of the computer, if computer suddenly loses power in or take away, still can continue to test without causing disruption, during the test data will be stored in a machine, until the median machine again after connect with computer, automatically upload data to the computer. On the basis of guaranteed sampling, a median machine can drive 80 channels.which can connect 10 battery testers to a battery PC at the same time as long as “battery test system” software is installed. The main test functions include: *Perform battery performance testing (including: power, energy, overcharge, overdischarge, etc.) *Fully charge and discharge the battery to accurately measure the actual battery capacity data. *Carry out chemical composition capacity, cycle life (Cycle Life) test, DC internal resistance (DCIR) test, rate test (rate charge, rate discharge), pulse test, etc. *The master-slave control structure of the upper computer (PC) and the lower computer (tester) is adopted to ensure the reliability of the test *Support channel real-time status display: including charge/discharge status, current, *voltage, capacity, remaining capacity ratio, cycle number, etc. *Log query and analysis function to facilitate analysis of the reasons for data changes under abnormal conditions *Diversified work step setting schemes, a test process with up to 254 work steps, multiple recording conditions, protection conditions, and support for complex work step editing functions *Powerful data and curve processing, report functions *Support multiple modes of test curve compar...

A very important process in the production of battery electrode is roll press. The precision of roll press machine is very important for the compaction density and safety of battery electrode. 1.Experimental heating roll press: It is considering the battery electrode under the proper temperature, lively base material physical properties and ductility increases, so that we can enhance the cohesive force between the and current collector and active materials, at the same time reduce the deformation resistance of the battery electrode, thus make better compression plate mass density, made the battery have higher quality and durability. This type of roll press machine adopts the industry leading heating system, PID temperature control system, heating quickly, temperature control precision is uniform, temperature can be reached automatically constant temperature. Heat roll press machine is widely used in the rolling of lithium ion cylindrical battery, pouch cell and polymer battery, coin cell, super capacitor, nickel metal hydride battery and other battery electrodes research and development, and is suitable for use in universities and scientific research institutions. 2.Electric vertical roller machine The electric rolling press machine is specially designed for experimental research and development of lithium battery, such as cylindrical cell, pouch cell, coin cell. The rolling thickness is adjustable, motor driven, and the operation is simple and convenient. The equipment is used in the rolling of metal lithium electrode pieces in the lithium-sulfur battery industry and the high-corrosion industry, with high rolling precision, and is an ideal choice for lithium batttery laboratory research and development and sample production. 3.Hydraulic roller press machine The hydraulic balance electric pair roll machine is aimed at high-precision rolling of positive and negative plates in the battery industry. The equipment has good horizontal and vertical rolling uniformity, and the appearance of the rolled product is high-quality. Hydraulic rolling press machine is provided by the hydraulic system to provide pressure for roll rolling. It is suitable for Where there is a higher requirement for the consistency of rolling force and rolling gap. Xiamen Acey provide 300mm width hydraulic roll press machine, rewinding and unwinding machine is available. 4.Manual Vertical Roll press machine It is mainly suitable for manual rolling of battery materials in the laboratory. It is especially suitable for thinning and increasing the density of lithium battery electrode of clean energy materials . This machine adopts gear transmission to realize the roll pressing, the rolling thickness can be adjusted, and it is easy to use. Xiamen Acey provides High precise Roll press machine for lithium battery R&D. The main specifications are dia 100*200mm, 150*200mm, 150*300mm, 150*500mm, 200*200mm, 200*300mm and so on, Customization is available.

The scale of the global lithium-ion battery industry is increasing year by year, with an average annual compound growth rate of 19%, and the industrial scale in 2019 is 45 billion US dollars. Global lithium-ion battery products are mainly used in consumer and electric vehicles. The global lithium-ion battery industry is mainly concentrated in China, Japan, and South Korea. In 2019, Japan’s lithium-ion battery production was 930 million, South Korea’s lithium-ion battery industry was US$14.6 billion, and China’s lithium-ion battery industry was 175 billion yuan. 1.The global lithium-ion battery industry has reached 45 billion U.S. dollars. From 2015 to 2019, the scale of the global lithium-ion battery industry is increasing year by year, with an average annual compound growth rate of 19%. In 2019, the global lithium-ion battery industry scale was 45 billion U.S. dollars, a year-on-year increase of 9%. 2. Global lithium-ion battery products are mainly used in consumer and electric vehicles In 2019, consumer lithium-ion batteries (including mobile phones, portable computers Q and other consumer electronic products) accounted for 40.0%, a decrease of 0.7 percentage points from 2018; lithium-ion batteries for electric vehicles accounted for 46.7%, only compared to 2018 Increased by 0.2 percentage points, and continue to maintain the advantage of consumer lithium-ion batteries; the ancient ratio of lithium-ion batteries for energy storage was 5.1%, the same as in 2018; the proportion of lithium-ion batteries for other uses (power tools, electric bicycles, etc.) It was 8.2%, an increase of 0.5% compared with 2018. 3. Country distribution of the global lithium-ion battery industry: China still maintains its leading position The global lithium-ion battery industry is mainly concentrated in China, Japan, and South Korea. Since 2015, driven by China’s vigorous development of new energy vehicles, the scale of China’s lithium-ion battery industry has begun to grow rapidly, and has surpassed South Korea and Japan in 2015. To the first place in the world. In 2019, the global power battery market demand growth is weak, the global lithium-ion battery market structure remains basically unchanged, China still maintains its leading position, South Korea is weak to catch up, and Japan tends to lag behind. 1) Japan's lithium-ion battery production fell to 930 million in 2019 In 2019, the production of lithium-ion batteries in Japan was 930 million, a sharp drop year-on-year; revenue was 404.3 billion yen, a year-on-year decrease of 6.5%. Among them, the output of power-type lithium-ion batteries is 570 million, the capacity is 2.51 billion Ah, and the revenue is 289.8 billion yen; the output of other types of lithium-ion batteries is 360 million, the capacity is 970 million Ah, and the revenue is 114.5 billion yen. 2) South Korea's lithium-ion battery industry reached US$14.6 billion in 2019 From 2015 to 2019, the scale of South Korea’s lithium-ion battery industry ha...

Xiamen Acey New Energy ACEY-AS11S Cylindered battery sorter (11 channels) is a kind of automation equipment which through AC method to test the internal resistance, but also can test the voltage, and then according to the user set the automatic sorting battery to different channels . In the working state of the machine，The upper and lower limits of internal resistance and voltage are set by the man-machine interface of the device，The actual value of the internal resistance and voltage of the battery to be measured is compared with the parameters of the set value to determine whether it is qualified or not. According to the result, the battery of different grades is transferred to different channels, so as to realize the automatic sorting of battery products. 11 channels cell sorter can be used for different batteries（18650,26650,32650,21700 etc）, mainly through the exchange of different sorter molds to achieve five minutes of rapid change of type, different types of cylindrical batteries can quickly switch to general sorting. ACEY-AS11S just 220V power supply can work, high efficient.

1.Intermittent experimental coating machine The intermittent experimental coater is a three-roll transfer coating equipment, which can be used for continuous and intermittent coating, and is convenient to apply to various substrate surface coating processes. Especially used in the lithium-ion battery industry, the equipment is designed to be convenient for researchers to use, and to meet the requirements of coating accuracy and consistency, which is no different from production. The drying effect is excellent. It is a lithium-ion battery, super capacitor, nickel battery and others. Ideal for secondary battery development and small trials. 2. Vacuum Film Coating Machine Automatic film coating machine is widely used in various coating research, such as ceramic film, crystal film, battery material film, special nano film. Adjust with a micrometer to achieve the thickness of the film to be coated. The coating machine is equipped with a precise adjustable film device, and the moving push rod pushes it to move at a constant speed to achieve the uniformity of the slurry coating on the substrate. This equipment is particularly suitable for making battery substrates, which can ensure the substrate The density of the positive/negative electrode material in each part of the sheet is uniform. 3.Automatic film drying coating machine Automatic film drying coating machine are widely used in the research of various high-temperature coating films, such as ceramic films, crystalline films, battery material films, and special nano-films; they can adapt to the development of science and technology for film formation under high temperature conditions in the future. 4.Heating flat film coating machine It is widely used in the research of various high temperature coating films, such as ceramic films, crystal films, battery material films, and special nano films; it can adapt to the development of science and technology for film formation under high temperature conditions in the future. Automatic film coating machine . 5.Automatic Film coating machine with Dryer This product is a 800mm long cast coating machine, including a vacuum suction cup and an oil-free vacuum pump, and a scraper can produce long thick films. With a unique automatic propulsion device,this coating machine can produce smooth coatings on any material within a width of 150mm and a length of 800mm. It is an ideal tool for low-cost research and development of 18650 battery electrode materials. 6.Three-roll transfer coating equipment The coating machine is a three-roll transfer coating equipment, which is convenient to apply to various substrate surface coating processes. Especially used in the lithium-ion battery industry, the equipment is designed to be convenient for researchers to use, and to meet the requirements of coating accuracy and consistency, which is no different from production. The drying system effect is excellent. It is a lithium-ion battery, super capacitor, nickel battery and others. Id...

1) Power battery market: Domestic sales of new energy vehicles are expected to reach 7 million by 2025, and overseas sales are expected to exceed 6 million. In 2020, the domestic demand for power batteries is about 85 GWh. In 2020, overseas power battery demand is about 90 GWh. The space of the power battery industry continues to expand, and the demand for power batteries in 2020 is expected to grow by about 50%. 2) Non-power battery market: Mobile phone battery demand is the core of the changes in 3C consumer electronics battery demand. In 2020, the demand for consumer lithium batteries will reach 65GWh, returning to steady growth. The energy storage market is currently in its infancy. The replacement of lead-acid batteries for tower communication base stations is the biggest demand point. In 2020, it is expected to replace 600,000-700,000 towers, the space is huge. 3) There is no need to worry about the general direction of lithium batteries. Whether it is new energy vehicles, 5G mobile phones, base station backup points, and energy storage batteries, they are all deterministically and steadily increasing. With the advancement of mobile Internet and Internet of other things, from wired to wireless, Lithium batteries are currently the best power solutions. Acey New Energy can provide one stop solutions for lithium battery making machines, any need please contact us! Email:allen@aceymachinery.com tel:+86 18950009155 whatsapp/wechat: +86 18950009155