The new material developed by Humin Electric Power Equipment Co., Ltd. was named "High Performance Lithium Iron Phosphate Power Battery Positive Electrode Material". It is analyzed and tested by foreign authoritative testing organizations, and trials and feedback are provided by domestic lithium battery manufacturers. This material has excellent performance and is suitable for the needs of electric vehicle power batteries.
According to report, at present, there are many lithium battery manufacturers in Ningbo, but the research and development of lithium iron phosphate cathode materials for lithium battery is rare. Because of the lack of high quality lithium iron phosphate cathode materials, many companies can only The huge market gap in automotive battery power is stunned.
Zhang Jiangang, an expert from the Ningbo Institute of Materials Science and Technology of the Chinese Academy of Sciences, told reporters that cathode materials are the main obstacles to the application of lithium-ion power batteries. First, the original lithium cobalt oxide cathode materials are not safe, and the second is expensive. The lithium iron phosphate is cheap, safe, and suitable for high-power lithium-ion power battery requirements. At present, it has become the focus of research and development of lithium ion battery cathode materials at home and abroad. In order to develop this new material, Humin Electric Power Equipment Co., Ltd. spent a total of two years in cooperation with Ningbo Institute of Materials, Chinese Academy of Sciences.
According to the reporter's understanding, this project has already started construction and is expected to be officially put into production in May next year. The total investment for the first phase of development is 100 million yuan. It plans to build a production line with an annual output of 500 tons, and the second phase will build a production line with an annual output of 1,000 tons.
What is 2.4g wireless module?
2.4g line module operating frequency in the range of 24400-2484mhz, can communicate through the scanning protocol, air rate up to 1Mbps, output power up to +4dBm, the module has the advantages of low power consumption, cost-effective. Movingcomm's current 2.4g antenna modules are: IOT04, IOT05, IOT09, IOT18, IOT60, etc. Users can choose a variety of modules with a transmission distance of 50-500 meters according to cost considerations.
Second, the role of 2.4g wireless module
Function 1, for the formation of a star topology wireless communication network, and must be a multi-point star topology, some extraordinary places need wireless communication. On the one hand, the transmitting and receiving module is cheap, and the cost of forming the star topology is relatively low. On the other hand, the transmitting and receiving module can adopt the modular design, which is small in size, easy to use and easy to integrate. For the wireless network with low communication speed and close distance, the transmitting and receiving module is very practical.
Function 2, for wireless multi-channel (parallel) control. Such as complex remote-controlled robots, some places require multi-channel (parallel) control. One method is to use the receiving module to directly connect to the decoder, and then connect to the relays and other electronic components to drive the subsequent controlled object; the other method is to use the receiving module to connect to the single chip microcomputer, and after the data is disposed of, the single chip microcomputer is connected to the relays and other electronic components to drive the subsequent controlled object. Usually a pair of transmitting and receiving modules can achieve up to six parallel wireless control, if the required number of channels is greater than six, you can use multiple pairs of transmitting and receiving modules, and work at the same time to meet the actual needs.
Function 3, used for general serial port, RS232 antenna data transmission, there are usually many control instruments and equipment using serial port, and communication with these devices must meet the requirements of serial port. In some extraordinary places, when the industrial control site must use the antenna transmission mode, it is natural to choose the transmitting and receiving modules mentioned in this article, but it must be explained here that to use this communication mode, the corresponding software must be prepared at the transmitting end and the receiving end respectively to achieve the conversion of file formats, in order to achieve the purpose of wireless communication, if the communication system is full-duplex. It can be achieved by using two pairs of transmitting and receiving modules, working simultaneously.
Third, 2.4g wireless module application field
2.4G wireless module is widely used in wireless health sports products, wireless mouse and keyboard, product information push, wireless remote sensing, wireless ranging system, alarm security system, smart home, toy control, tire pressure monitoring and other fields. With the 2.4G wireless module, all the whole house wireless smart home can be linked together, you can control all the smart home devices through the link of the network, and then you can control the switch of all the whole house wireless home, adjust the brightness of the lamp, adjust the rise and fall of the curtain, etc., through the continuous innovation of technology, The whole house wireless smart home can be controlled by a small white robot voice, can be controlled by a smart scene panel, can be controlled by sensors and so on.
Four, 2.4g wireless module how to choose antenna
In general, the 2.4g wireless module requires an impedance of 50 ohms, a red wire used with 2.4g, a 2.4g folded rod antenna, a 2.4g gold-plated straight head rod antenna, a 2.4g gold-plated elbow rod antenna, and a 2.4g small suction cup antenna. These antennas are special antennas designed for 2.4g wireless communication system, antenna standing wave ratio performance is good, small size, clever structure, easy installation, stable performance, with good anti-vibration and aging ability.
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