China AC Solution,Competitive Price AC Solution

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...

more

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 ...

more

Effect of electrolyte on SEI film

Sep , 05 2022

The electrolyte is the main source of the reduction reaction reactants for the formation of the SEI film , and both the electrolyte solvent and the lithium salt will affect the composition of the SEI film. When the main components of the electrolyte are basically fixed, the performance of the SEI membrane can only be improved by other means. The researchers found that the formation of the SEI film...

more

Overview of the lithium battery formation process

Sep , 05 2022

Lithium- ion battery formation process includes constant current, constant voltage and intelligent charging. The polarization phenomenon of constant current charging is serious, and its initial current is low, the current at the end of charging is high, the charging time is long, the energy waste is serious, and the battery life will be reduced. During constant voltage charging, the current is rel...

more

Advantages and disadvantages of lithium iron phosphate battery and ternary lithium battery

Sep , 05 2022

1. Energy density: The energy density of ternary lithium is about 1.7 times that of lithium iron phosphate, so the volume and weight of ternary lithium batteries will be smaller than those of lithium iron phosphate batteries, and the car load will be smaller. 2. Safety performance: lithium iron phosphate battery will perform better in acupuncture test, and in high temperature environment, the stab...

more

Effect of formation current density on battery performance

Sep , 13 2022

When graphite is used as the negative electrode active material, there are two types of reactions for the formation of SEI films: two-electron reactions, that is, two electrons participate in the reaction at the same time, and it is easier to generate inorganic lithium salt components; single-electron reactions, that is, only need A reaction that can take place when one electron participates, it i...

more

Key Factors in Choosing the Right UPS

Sep , 26 2022

You rely on your UPS system for backup if your power goes out, right? But does your UPS have your back? That is, will it provide a bridge of power long enough for what you need? At the very least you will want to save your data and perform a safe shutdown. Your UPS backup battery will only provide power for a set amount of time, known as runtime. In this article, we will provide a step-by-step app...

more

What is open circuit voltage and what is the capacity of a battery?

Oct , 17 2022

What is the nominal voltage? The nominal voltage of the battery refers to the voltage displayed during normal operation. The nominal voltage of the secondary nickel-cadmium nickel-hydrogen battery is 1.2V; the nominal voltage of the secondary lithium battery is 3.6V. What is open circuit voltage? The open circuit voltage refers to the potential difference between the positive and negative electrod...

more

How to do the battery identification of lithium technology?

Oct , 17 2022

How to do the battery identification of lithium technology? According to the IEC61960 standard, the identification of secondary lithium batteries is as follows: 01) The battery identification consists of 3 letters followed by 5 numbers (cylindrical) or 6 (square) numbers. 02) The first letter: Indicates the negative electrode material of the battery. I—represents lithium ions with built-in batteri...

more

What are the possible reasons for the zero voltage or low voltage of the single cell and battery pack?

Oct , 24 2022

What are the possible reasons for the zero voltage or low voltage of the single cell? 01) External short circuit or overcharge or reverse charge of the battery (forced overdischarge); 02) The battery is continuously overcharged by high rate and high current, resulting in the expansion of the battery pole core, the direct contact of the positive and negative poles, and the short circuit; 03) Intern...

more

What is round trip efficiency and response time for Energy storage solution?

Oct , 31 2022

Round-Trip Efficiency Round-trip efficiency takes into consideration energy losses from power conversions and parasitic loads (e.g., electronics, heating and cooling, and pumping) associated with operating the energy storage system. This metric is a key determinant of the cost-effectiveness of energy storage technologies. Among energy storage options, compressed-air energy storage (CAES) has the l...

more

Advantages of combining solar and energy storage

Nov , 08 2022

Grid stability, battery safety and blackout prevention Solar-storage solutions can act as sunshine insurance, allowing stored power to be dispensed when power demand is high (and accompanied by higher prices) and solar generation is low. Aided by these smart technologies, unified solar and storage can also help prevent blackouts, an issue seen from Australia to California, Lebanon to South Africa....

more

what are you looking for?

blog

blog