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How to Use Lithium-ion Batteries to Improve Ups Performance?

Feb. 08, 2020

China Energy Storage Network News: Because lithium-ion batteries have higher power density and lighter weight than lead-acid batteries, UPS power supplies for data center operators can now switch to this smaller, lighter UPS Lithium-ion Battery System. Overall, the cost of downtime for a typical data center is estimated at $ 9,000 per minute, so it is important to do all the research when investing in a reliable backup system because it plays an important role in reducing the number of downtime. A well-designed UPS (uninterruptible power supply) is used in conjunction with an advanced battery system to ensure that even if a power problem occurs, its operation can be continued without downtime.


The UPS power supply system uses the battery to provide uninterrupted power in the event of a power outage until it switches to a standby diesel generator to start or safely shut down the equipment. UPS power can also act as a power conditioner by absorbing or injecting power to overcome short-term spikes and voltage drops in utility power. These are usually caused by voltage transients when other large grid-connected load equipment is turned on and off.


Recently, data centers have shifted from relying on valve-regulated lead-acid batteries to lithium-ion batteries. In the next five years, lithium-ion batteries are expected to occupy at least 10% of the market.


There are many reasons for this. One of them is the higher power density and higher energy density of lithium-ion batteries, which can provide more power while reducing floor space and weight. Compared with lead-acid batteries, lithium-ion batteries can be three times smaller and six times lighter. In addition, it has a higher cycle life than other battery technologies, which means it has a longer life. In addition, lithium-ion batteries work more reliably at higher temperatures and require less cooling, which reduces battery footprint.

 Lithium-Ion Battery System

Lithium-Ion Battery System

Although there are several types of lithium-ion batteries, Lithium Iron Phosphate Battery is suitable for industrial and mission-critical applications that focus on safety, power density and operating life. Lithium-ion batteries have the advantages of high availability, low maintenance requirements, and fast discharge. This minimizes the risk of unexpected data center outages. However, the Lithium-Ion Battery System can be equipped with an intelligent monitoring system, so workers can check their state of charge (SOC) and health (SOH) at any time. So you can make an informed judgment when you need to replace the battery, and don't waste too much time replacing the battery. It can also prevent the loss of critical backup power by eliminating failures.


Therefore, by adopting a lithium-ion battery system, the power of air-conditioning equipment can be reduced, electricity costs can be reduced, and energy consumption can be reduced during the life of the battery, thereby reducing operating costs.


In addition, because lithium-ion batteries have higher power density and are lighter than lead-acid battery cells, data center operators can now switch to smaller and lighter lithium-ion batteries, minimizing the space they occupy. For enterprises and co-located data centers, this can save significant infrastructure space and allow more servers to be deployed.


Lithium-ion batteries are now widely used in everyday life, from mobile phones and computers to megawatt-level energy storage in grid stabilization and solar applications. They are everywhere. Applications in data centers require less space, smarter equipment, longer uptime, and optimization of the entire ecosystem, including air conditioning in the computer room. . With the increasing use of lithium-ion batteries and the continuous improvement and growth of key requirements, lithium-ion batteries can meet the needs of today and tomorrow's data centers.

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