What are the advantages of lithium batteries and lithium polymer batteries

Advantages of Lithium Batteries 1 Reliability and Availability Due to the different manufacturing methods of lithium batteries and lead-acid batteries, the failure rate of lithium batteries is much lower. Due to the longer service life and lower maintenance requirements, the use of lithium batteries for UPS power supplies rarely fails. Depending on the chemical composition used, the service life of lithium batteries can be as long as 15 years. Compared with lead-acid batteries, it can significantly save replacement costs, because lithium batteries do not have to be replaced every few years. In addition, lithium batteries generally have a longer cycle life than lead-acid batteries. For example, a lead-acid battery can usually supply 200 discharge cycles, which means that the capacity of the battery can be depleted to 50% of its rated value, and then it can be recharged to 100%, which can reach 200 cycles. But before replacing the battery, the lithium battery can supply 500-7000 discharge cycles (depending on the chemical substance used). In addition, lithium batteries have a low self-discharge rate, or self-discharge slowly when not in use, which makes them have a longer storage time. 2 Lighter weight Lithium batteries are about one third heavier than lead-acid batteries. This can save data center construction costs, because the floor is not reinforced to bear more weight. It also saves transportation costs because more lithium batteries can be transported at the same cost compared to lead-acid batteries. 3 The size of a smaller-volume lithium battery cabinet is usually half of that of a lead-acid battery cabinet. Reaching the same capacity can save 50% of the floor space. This allows organizations to re-plan and design data centers to increase the available space for IT systems. In addition, the construction cost of the new data center can be saved because the space for accommodating the lithium battery cabinet for UPS energy storage can be smaller. 4 Higher energy density Lithium batteries have higher energy density (Wh/kg, or watt-hours per kilogram) and power density (W/kg, or watts per kilogram). This is why lithium batteries can supply the same energy as lead-acid batteries with a smaller volume and lighter weight. 5 Working in a higher temperature environment Lithium batteries can work at a temperature of 86F (30C), which is nearly 10C higher than lead-acid batteries. This allows organizations to increase the room temperature in the data center, thereby saving power for cooling, reducing cooling costs, and saving total cost of ownership (TCO). In addition, lithium batteries are not very sensitive to temperature changes, and excessively high temperatures will obviously not shorten the battery life. 6 Reduce maintenance Lithium batteries are equipped with a built-in battery management system (BMS), which can provide monitoring and maintenance functions such as automatic status, fault monitoring, battery balancing, power optimization, and external communication. The battery management system (BMS) enables data center facility engineers to more easily monitor battery operating hours and health, reduce labor and maintenance costs, and significantly reduce the risk of battery pack failure. 7 Faster charging The lithium battery is fully charged in about two hours, while the lead-acid battery is fully charged in about 24 hours. Faster charging time means that lithium batteries can better deal with multiple power outages. (For example, if there are multiple power outages within 24 hours, the lithium battery can be charged faster, providing complete UPS backup power time for each outage.) 8 Environmental advantages The carbon footprint of lithium batteries is three times that of lead-acid batteries. One part, and more environmentally friendly. Advantages of lithium polymer battery: 1. Good safety performance. The structure of polymer lithium battery adopts aluminum-plastic soft packaging, which is different from the metal shell of liquid battery. Once a safety hazard occurs, liquid battery is easy to explode, and polymer battery is the most. It will only be mad. 2. The thickness is small and can be made thinner. Generally, liquid lithium batteries use the method of customizing the shell first, and then plugging the positive and negative electrodes. The thickness is below 3.6mm, and there is a technical bottleneck. Polymer batteries do not have this problem. It can be less than 1mm, which is in line with the current demand for mobile phones. 3. Lightweight polymer battery is 40% lighter than steel shell lithium battery of the same capacity and 20% lighter than aluminum shell battery. 4. Large-capacity polymer batteries have a capacity of 10-15% higher than steel-shell batteries of the same size and 5-10% higher than aluminum-shell batteries. They have become the first choice for color screen mobile phones and MMS mobile phones. Most mobile phones also use polymer batteries. 5. Small internal resistance. The internal resistance of polymer batteries is smaller than that of ordinary liquid batteries. At present, the internal resistance of domestic polymer batteries can even be less than 35m, which greatly reduces the self-consumption of the battery and prolongs the standby time of the mobile phone. In time, it can fully meet the international standards. This kind of polymer lithium battery that supports large discharge current is an ideal choice for remote control models, and it has become the most promising product to replace nickel-hydrogen batteries. 6. The shape of the polymer battery can be customized. The thickness of the battery cell can be added or reduced according to the needs of customers, and new battery cell models can be developed. The price is cheap and the mold opening cycle is short. Some can even be tailored to the shape of the mobile phone to make full use of The battery shell space improves the battery capacity. 7. Good discharge characteristics. Polymer batteries use colloidal electrolytes. Compared with liquid electrolytes, colloidal electrolytes have stable discharge characteristics and a higher discharge platform. 8. The design of the protection board is simple. Because the polymer material is used, the battery core does not catch fire or explode, and the battery itself has sufficient safety. Therefore, the protection circuit design of the polymer battery can be considered to omit the PTC and fuse to save the battery cost. Polymer lithium batteries have great advantages in terms of safety, volume, weight, capacity, and discharge performance. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: What are the differences between energy storage lithium batteries and power lithium batteries?