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Solar street lighting system structure with lithium batteries
by：ALLTOP
2021-02-01
Now lithium-ion batteries in the solar street light system for lithium battery of light weight, large capacity, long life, high cost performance is more and more widely used, solar street light, solar lawn lamp, solar garden light and other solar power generation system used in lithium batteries
at present, lithium batteries because of its light weight, large capacity, long life, high cost performance, etc. More and more widely used in solar street light system. Lithium battery is becoming more and more often used for solar power generation system, such as solar street light, solar lawn, solar garden light, etc. The author according to own working practice and related theory, the lithium battery in the solar street light, solar garden light, solar lawn work principle, structure and advantages and disadvantages were briefly reviewed. , only supplies the reference. The main structure and composition of lithium ion battery solar street lamps system of lithium ion battery is made up of anode and cathode, electrolyte, the diaphragm and the shell. There are generally two kinds of shapes: cylindrical and square. The internal structure of spiral wound, the battery is strong permeability of very fine polyethylene film isolation material in the anode formed between the positive and negative - — The anode including by cobalt acid lithium ( Nickel or cobalt acid lithium, manganese acid lithium, lithium iron phosphate, etc. ) Composition of the fluid. ) And the aluminum foil. When discharge, lithium ion, lithium become isolated from the battery anode and reach the lithium ion battery cathode. Negative - Negative consists of a collection of fluid, set fluid composed of graphitized carbon materials and copper foil, embedded materials for lithium compounds, its potential as close as possible to the lithium potential, such as all kinds of carbon materials, including natural graphite, synthetic graphite, carbon fiber, carbon mesophase particles, etc. And metal oxide. Electrolyte, Mixed solvent composed of alkyl carbonate system, such as the six ethylene carbonate, propylene carbonate and low viscosity diethyl carbonate. The diaphragm - — Use the polyene such as polyethylene, polypropylene microporous membrane or their composite membrane, especially polypropylene/p signal lamp E/polypropylene three layers of the diaphragm is not only low melting point, and has high penetration resistance, have the effect of thermal insurance. The shell made of steel or aluminum, cover components have explosion-proof and power function. In addition, install a relief valve and PTC element ( Part is cylindrical) To protect the battery in the abnormal state and output short circuit from being damaged. Single section of lithium battery voltage is 3. 7V( Lithium iron phosphate anode voltage of 3. 2V) , battery capacity cannot be infinite. Therefore, in order to meet the requirements of different occasions, are generally single section lithium battery series parallel processing. Solar street light, solar garden light, solar lawn strings outdoor lighting system application is much more parallel system.
at present, lithium batteries because of its light weight, large capacity, long life, high cost performance, etc. More and more widely used in solar street light system. Lithium battery is becoming more and more often used for solar power generation system, such as solar street light, solar lawn, solar garden light, etc. The author according to own working practice and related theory, the lithium battery in the solar street light, solar garden light, solar lawn work principle, structure and advantages and disadvantages were briefly reviewed. , only supplies the reference. The main structure and composition of lithium ion battery solar street lamps system of lithium ion battery is made up of anode and cathode, electrolyte, the diaphragm and the shell. There are generally two kinds of shapes: cylindrical and square. The internal structure of spiral wound, the battery is strong permeability of very fine polyethylene film isolation material in the anode formed between the positive and negative - — The anode including by cobalt acid lithium ( Nickel or cobalt acid lithium, manganese acid lithium, lithium iron phosphate, etc. ) Composition of the fluid. ) And the aluminum foil. When discharge, lithium ion, lithium become isolated from the battery anode and reach the lithium ion battery cathode. Negative - Negative consists of a collection of fluid, set fluid composed of graphitized carbon materials and copper foil, embedded materials for lithium compounds, its potential as close as possible to the lithium potential, such as all kinds of carbon materials, including natural graphite, synthetic graphite, carbon fiber, carbon mesophase particles, etc. And metal oxide. Electrolyte, Mixed solvent composed of alkyl carbonate system, such as the six ethylene carbonate, propylene carbonate and low viscosity diethyl carbonate. The diaphragm - — Use the polyene such as polyethylene, polypropylene microporous membrane or their composite membrane, especially polypropylene/p signal lamp E/polypropylene three layers of the diaphragm is not only low melting point, and has high penetration resistance, have the effect of thermal insurance. The shell made of steel or aluminum, cover components have explosion-proof and power function. In addition, install a relief valve and PTC element ( Part is cylindrical) To protect the battery in the abnormal state and output short circuit from being damaged. Single section of lithium battery voltage is 3. 7V( Lithium iron phosphate anode voltage of 3. 2V) , battery capacity cannot be infinite. Therefore, in order to meet the requirements of different occasions, are generally single section lithium battery series parallel processing. Solar street light, solar garden light, solar lawn strings outdoor lighting system application is much more parallel system.
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