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aboutus VMCELL is a world-recognized developer and manufacturer of smart batteries (Lithium Primary Batterie...
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  • 2018 - 08 - 29
    1.Description of battery and its compositionA battery is a chemical power supply, which is a device that converts chemical energy directly into low-voltage direct current energy through chemical reaction. To achieve the energy conversion, the battery must have two conditions: the oxidation and reduction reaction must be separated in two areas; The electrons have to go through an external circuit. Therefore, the battery should include the following basic components:Positive electrode - provides capacity, mainly consisting of active material and conductive skeleton.Negative pole -- ibid.Electrolyte - ion transport.Diaphragm - prevents the formation of electronic conduction pathways between positive and negative poles.Enclosure -- protection.2.Basic operation principleConditions that constitute an applicable secondary battery:    A electrode reaction must be reversible; B can only use one electrolyte solution; When c battery discharges, the product is insoluble in solution. ...
  • 2018 - 08 - 29
    Classification:By electrolyte property: acid battery, alkaline battery, neutral battery,Organic electrolyte solution battery, solid electrolyte battery;According to battery characteristics: high capacity battery, sealed battery, maintenance free battery, explosion-proof battery, etc.According to the nature of work and storage: original battery, battery, storage (activation) battery, fuel cell;The concept of power battery: the energy output from the battery is used for the vehicle (automobile, electric bicycle, etc.) to draw and drive the battery.Development history of power battery:    1859         Plante lead-acid battery     1901         Cadmium nickel battery       1943         Zinc silver battery      60S           Fuel cell    80S         &...
  • 2018 - 08 - 29
    Lithium ion batteries appeared in the 90 s Areas of application: mobile phones, laptops, cameras, electric vehicle. Advantages: high open circuit voltage (monomer battery voltage up to 3.6 ~ 3.8 V), specific energy, long cycle life and pollution-free, no memory effect, small self-discharge. Faults: a charge and discharge protection, cost is very high, can't use large current discharge (organic electrolyte). The main types: liquid lithium ion battery and lithium ion battery. Why is li-ion battery protection more critical?The cathode of a lithium-ion battery is mainly carbon or graphite, which can store and release lithium ions. Once overcharging occurs, the lithium ions become lithium and the metal is deposited on the surface of carbon or graphite. Because lithium is so active, any impact or other cause can cause it to burn; The lithium ion battery electrolyte for flammable organic matter. Therefore, once the overcharge voltage occurs due to wrong charging, when the ...
  • 2018 - 09 - 15
    After the first overseas factory in Ningde era settled in Thuringia, Germany, Chinese electric car giant BYD also considered producing power batteries in Europe. It is reported that Chinese battery manufacturer Tianjin Lishen also plans to open a sales office in Germany, which will become the company's first sales office in Europe, and contact with Volkswagen and Daimler. Coincidentally, South Korea's SK Innovation, Japan's GS Yuasa and other power battery companies have sought to set up factories in Europe, they will join the ranks of Asian competitors LG Chem, Samsung SDI, set off a "green revolution" in Europe, but this also allows the EU The committee is worried that the local power battery industry is too dependent on these Asian companies.Asian manufacturers have entered the European marketA few days ago, the Polish government said that the largest electric vehicle battery factory in Europe opened by LG Chemical in South Korea is about to be completed. The plant will em...
  • 2018 - 09 - 15
    Lithium-ion "Davos"-Battery Network September 14 (Shaw Ho Beijing reported) on the 14th, Qingdao Haixinda Stainless Steel Container Co., Ltd. confirmed to attend ABEC 2018 | The 6th China (Qingdao) Lithium New Energy Industry International Summit Forum . It is reported that this forum is hosted by Lithium Power "Davos" Organizing Committee and Zhongguancun New Battery Technology Innovation Alliance. Exclusively co-organized: Qingdao Zhongke Hualian New Materials Co., Ltd., Qingdao Lanke Tu Film Material Co., Ltd., Qingdao Huashi Jie Environmental Protection Technology Co., Ltd., dinner support: Dazu Laser Technology Industry Group Co., Ltd., the forum was awarded by the Institute of Process Engineering of the Chinese Academy of Sciences, the China Nonferrous Metals Industry Association Lithium Branch, China Plastics Processing Industry Association, Peking University, Tsinghua University, Central South University, Manchester University, Nanyang Technological Universi...
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