The future development of lithium battery data center and application prospect

Source: 2020 - 04 - 02 10 hits, the future development of lithium battery data center and the application prospect of lithium batteries contain lithium battery and lithium ion battery, the general said the lithium battery is lithium ion battery, its characteristic is not contain lithium state, support the use of repeated charge and discharge. From SONY launched the no. From commercial lithium ion battery in 1991 to 2009 years for the mass use of lithium ion battery in communication base station, again to the explosive growth of electric cars in 2016, the global top 10 lithium ion battery power battery manufacturers sales nearly 90 GWH. Continuous improvement of lithium ion battery energy density and safety function ( Called the lithium battery) And capital continue to fall, the lithium battery in the communications category, category, power electric vehicle category, data center and other types of growing demand, lithium battery is becoming a new generation of dry - The flow of power. For decades, lead-acid battery has been dominant in the field of communications. Short cycle life of lead-acid battery, however, the area is large, the room's load demand is high, the production process of environmental pollution in the form of a brief, lead-acid battery has a shrinking trend in many countries, our country the Eiffel Tower made it clear that there is no lead-acid battery tender now. The lithium battery has high energy density, cover an area of an area small, long cycle life, etc, are lead-acid batteries do not have. With lead-acid battery market share fell rapidly, use lithium-ion batteries have been rapidly increasing in the world, in the meantime 5 g sites are almost by the use of lithium battery and lithium battery in some large data centers overseas ISP customer size are also starting to use. Can guess in the next 3 to 5 years, the market share of lithium-ion batteries will be close to or more than lead-acid batteries, the future dominant lithium battery market now is the sum of all the business category. 13 c: lithium cobalt oxide is charging voltage limit, continuous positive energy density; 2025 years later, all solid state electrolyte voltage can be further improved, gradually close to 4. 9 v theoretical limit. 2, power: high-end electric cars, 3 yuan ( Liquid) Forward content of Ni + charging voltage positive energy density, content of Ni ( 811). And voltage ( 4. 25v) Positive energy density is not obvious; Is expected in 2025, all solid electrolyte will be commercially available, and voltage can be further improved. Medium and low-end EV + bus, turn to the lithium iron phosphate; 3. Circulation storage: amount of data (lithium iron phosphate At present is 155 mah/g) Is close to theoretical limits ( 172 mah / g) Voltage has reached the limit in advance; Mainly to the circulation and security features development; Sodium ion battery is a potential future choice: cheap raw data, repeated use of lithium power industry chain; 4. Short-term standby power: lithium iron phosphate, which has the best security, life and value, and evolved the power density and safety; Estimate the battery + capacitor compound such as distance in the future. The basic parameters and working principle of lithium-ion battery 1 lithium battery concept of basic parameters of the battery capacity ( Ah) : battery under certain conditions, Discharge rate, temperature, stop, voltage, etc. ) The release of electricity, general with ampere hour as the unit. Charge and discharge ratio ( C) : than = / additional charge and discharge current charge and discharge capacity. 2, the working principle of lithium-ion batteries, lithium-ion battery generally USES lithium alloy metal oxide as the positive data, graphite as the cathode data, using nonaqueous electrolyte battery. Positive electrode data: there are a lot of positive electrode data available. Mainstream products for the lithium iron phosphate and three yuan, Nickel cobalt manganese nickel or cobalt, aluminum) 。 Anode data: use the graphite.