- Part 34

Hydrogen energy and graphite bipolar plate

by admin on 22-01-10

At present, many countries around all aspects of the new hydrogen research is in full swing, technical difficulties in stepping up to overcome. With the continuous expansion of the scale of hydrogen energy production and storage and transportation infrastructure, the cost of hydrogen energy also ...

Relationship between graphite and semiconducto

by admin on 22-01-07

It is very inaccurate to say that graphite is a semiconductor. in some frontier research fields, carbon materials such as carbon nanotubes, carbon molecular sieve films and diamond-like carbon films (most of which have some important semiconductor properties under certain conditions) belon...

Properties of graphite bearings

by admin on 21-12-30

Properties of graphite bearings 1. Good chemical stability Graphite is a chemically stable material, and its chemical stability is not inferior to that of precious metals. Its solubility in molten silver is only 0.001% – 0.002%. Graphite is insoluble in organic or inorganic solvents. It do...

Graphite paper classification

by admin on 21-12-27

Graphite paper classification Graphite paper passes through a series of addition processes such as high carbon phosphorus sheet graphite, chemical treatment, high temperature expansion rolling and roasting. It has high temperature resistance, heat conduction, flexibility, resilience and excellen...

How to use graphite rotor correctly

by admin on 21-12-23

How to use graphite rotor correctly 1. Preheating before use: the graphite rotor shall be preheated at about 100mm above the liquid level for 5min ~ 10min before immersion in aluminum liquid to avoid the impact of Quench on raw materials; The rotor must be filled with gas before immersion in liq...

Application and characteristics of graphite sagger crucible

by admin on 21-12-20

Application and characteristics of graphite sagger crucible Crucible can be used for intensity heating of a large number of crystals. Crucible can be divided into graphite crucible and quartz crucible. Graphite crucible has good thermal conductivity and high temperature resistance; In high tempe...

Reason for graphite rod electrolysis

by admin on 21-12-13

Reason for graphite rod electrolysis Conditions for forming electrolytic cell: DC power supply. (1) DC power supply. (2) Two electrodes. Two electrodes connected to the positive pole of the power supply. Among them, the positive electrode connected with the positive pole of the power supply...

Meaning and principle of graphite boat

by admin on 21-12-02

Meaning and principle of graphite boat Meaning of graphite boat: The graphite boat dish is a groove mold, which comprises a plurality of W-shaped two-way inclined grooves with opposite two groove surfaces and bottom support protrusions, a bottom surface, an upper end face, an inner surface,...

Advantages of graphite accessories and electric heating elements for vacuum furnace

by admin on 21-11-29

Advantages of graphite accessories and electric heating elements for vacuum furnace With the improvement of the level of vacuum valve heat treatment furnace, vacuum heat treatment has unique advantages, and vacuum heat treatment has been loved by people in the industry by virtue of a series...