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Basic technology of plasma enhanced chemical vapor deposition (PECVD)

by admin on 21-04-07

1. Main processes of plasma enhanced chemical vapor deposition Plasma enhanced chemical vapor deposition (PECVD) is a new technology for the growth of thin films by chemical reaction of gaseous substances with the help of glow discharge plasma. Because PECVD technology is prepared by gas d...

What is the principle of hydrogen fuel cell vehicle?

by admin on 21-04-02

Fuel cell is a kind of power generation device, which converts chemical energy in fuel into electric energy by redox reaction of oxygen or other oxidants. The most common fuel is hydrogen, which can be understood as the reverse reaction of water electrolysis to hydrogen and oxygen. Unlike rocket...

Why hydrogen energy attracts attention？

by admin on 21-03-30

In recent years, countries around the world are promoting the development of hydrogen energy industry at an unprecedented speed. According to the report jointly released by the international Hydrogen Energy Commission and McKinsey, more than 30 countries and regions have released the roadmap for ...

Properties and uses of graphite

by admin on 21-03-26

Product Description: graphite Graphite powder is soft, black gray, greasy and can pollute paper. The hardness is 1-2, and increases to 3-5 with the increase of impurities along the vertical direction. The specific gravity is 1.9-2.3. Under the condition of oxygen isolation, its melting point is a...

Do you actually know the electric water pump?

by admin on 21-03-23

First knowledge of electric water pump The water pump is an important part of the automobile engine system. In the cylinder body of the automobile engine, there are several water channels for cooling water circulation, which are connected with the radiator (commonly known as water tank) in...

Graphite electrode price rises recently

by admin on 21-03-18

The rising price of raw materials is the main driver of the recent price rise of graphite electrode products. the background of the national “carbon neutralization” target and the stricter environmental protection policy, the company expects the price of raw materials such as petroleu...

Three minutes to learn about silicon carbide (SIC)

by admin on 21-03-16

Introduction of Silicon Carbide Silicon carbide (SIC) has a density of 3.2g/cm3. Natural silicon carbide is very rare and is mainly synthesized by artificial method. According to the different classification of crystal structure, silicon carbide can be divided into two categories: α SiC and β SiC...

China-US working group to tackle tech and trade restrictions in semiconductor industry

by admin on 21-03-11

Today, China-US Semiconductor Industry Association announced the establishment of “China-US semiconductor industry technology and trade restriction working group” After several rounds of discussions and consultations, the semiconductor industry associations of China and the United Sta...

Global Graphite Electrode Market

by admin on 21-03-09

In 2019, the market value is US $6564.2 million, which is expected to reach US $11356.4 million by 2027; from 2020 to 2027, the compound annual growth rate is expected to be 9.9%. Graphite electrode is an important part of EAF steelmaking. After a five-year period of serious decline, the d...

Introduction of Graphite electrode

by admin on 21-03-04

Graphite electrode is mainly used in EAF steelmaking. Electric furnace steelmaking is to use graphite electrode to introduce current into the furnace. The strong current generates arc discharge through gas at the lower end of the electrode, and the heat generated by the arc is used for smelting. ...