everexceed ni cd batteries

Explore and analyze the thermal power of Li- ion cells and battery packs (part-4)

Jul , 11 2022

Continuing from last week’s article, this week we are going to discuss other parameters. 3. Influence of charge and discharge rate The charge and discharge rate characterizes the charge and discharge current of the lithium- ion battery. Therefore, the charge and discharge rate must have a very significant impact on the heat generation power of the lithium-ion battery. , the final temperature and t...

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Air Transport Requirements for Lithium Ion Batteries

Jul , 11 2022

Speaking of UN38.3, I believe it will be familiar to those engaged in the lithium battery industry. UN38.3 refers to Section 38.3 of the United Nations Manual of Tests and Criteria for the Transport of Dangerous Goods specially formulated by the United Nations for the transportation of dangerous goods, referred to as UN38.3. , high and low temperature cycle, vibration test, impact test, 55 ℃ exter...

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Effect of input capacitors between UPS and Generator

Jul , 18 2022

Input capacitors used for filtering purpose cause pure apparent power to flow between the supply and the UPS. Such power is referred to as leading or capacitive power. Gensets can manage limited amount of pure leading power, as it interferes with the excitation circuit in the AC generator, leading to voltage oscillations and genset’s shutdown. Safe operating area charts show the allowed gensets’ l...

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Issues related to Battery for the datacenter application

Jul , 22 2022

The entire corporate world changed their culture in a very short time, to a predominantly work-from-home model due to Covid-19, many data center and IT professionals have been scrambling to manage this sudden shift in their network demands. The IT sectors are losing many jobs rapidly; the monthly loss is huge in the industry’s history. The news was a harsh reminder that no industry will be spared ...

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What is a Micro Data center?

Aug , 01 2022

When people think about the data center, they always think that in a very large building. There are a lot of cabinets neatly arranged, cabinets filled with servers, and servers are shining positive light. It looks cool. A data center is a dedicated space within a building, or a group of buildings used to house computer systems and associated components, such as teleco...

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Why use modular UPS and what are the advantages of modular UPS?

Aug , 01 2022

In recent years, with the rapid development of big data, cloud computing and other technologies, the traditional data center system is also changing rapidly. As a key component of the data center power supply and distribution system, the UPS industry is also changing. Modular UPS technology is becoming more and more mature, and more and more users have or are considering using modular UPS to build...

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Safety of Lithium-Ion batteries

Aug , 08 2022

Lithium-Ion refers to a family of Lithium-based battery technology. This family includes several sub-families or technologies, such as: ·LCO: Lithium Cobalt Oxide ·NCA: Nickel Cobalt Aluminium ·NMC: Nickel Manganese Cobalt ·LiFePO4 or LFP: Lithium Iron Phosphate ·LTO: Lithium Titanate Oxide, etc… Often, we can hear that a product is equipped with “Lithium-Ion” batteries; this does not really have ...

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Battery charging technology over view- Ferro resonant chargers

Aug , 15 2022

Battery charging is a complex electrochemical process, in which the discharged electric energy must be replenished from the electric network. The quality of the charging process is critical to the health and longevity of batteries. As a result, battery chargers play a key role in the life andperformance of today’s industrial batteries. A battery charger is an electrical/electronic device that conv...

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Battery charging technology over view- comparison among charger technology

Aug , 22 2022

Battery charging is a complex electrochemical process, in which the discharged electric energy must be replenished from the electric network. The quality of the charging process is critical to the health and longevity of batteries. As a result, battery chargers play a key role in the life and performance of today’s industrial batteries. A battery charger is an electrical/electronic device that con...

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Fourier Analysis of input current of Single phase controlled bridge rectifier

Aug , 29 2022

While the use of uncontrolled rectifier circuits remains prominent, for some applications, more control and efficiency is necessary. This can be accomplished through the use of a controlled rectifier circuit in which thyristors connected in a full-bridge configuration adjust the average voltage. Each thyristor has a gate that controls when it turns on. With control circuitry these devices can be o...

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SEI film formation mechanism

Sep , 05 2022

During the formation of the SEI film, various reduction reactions are carried out by the electrolyte solvent, lithium salt, additives, and trace air impurities. This series of reactions is not only affected by the inherent properties of substances such as reduction potential, reduction activation energy, and exchange current density, but also by other factors such as temperature, electrolyte salt ...

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Influence of SEI film on the performance of Li-ion battery

Sep , 05 2022

After extensive research, it has been found that the properties of SEI films greatly affect the performance of Li-ion batteries. During the formation process, the amount of the SEI film formed represents the amount of lithium in the consumed lithium-ion battery, which directly determines the capacity of the lithium- ion battery. Therefore, in the process of forming the SEI film, the less lithium i...

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