What are the advantages and disadvantages of lithium batteries?
Energy is relatively high. It has high storage energy density, which has reached 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries…
Energy is relatively high. It has high storage energy density, which has reached 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries…
Lithium batteries were first used in pacemakers.…
Other five kinds of water-reducing agents: sulfamate high-efficient water reducer, fatty acids high-efficient water reducer, HSB aliphatic superplasticizer, powder polycarboxylate, casein will be introduced.…
GH4049 is a Ni-Co-Cr-based deposition hardening deformation superalloy, the application temperature is lower than 950℃.…
Natural flake graphite are widely used in advanced refractories and coatings in the metallurgical industry. Such as magnesia carbon bricks, crucibles, etc.…
Synthetic graphite is intriguing for investors because of its presence in lucrative industries with rising demand.…
In fact, in essence, nickel-based alloys are also a kind of stainless steel. They are just special stainless steels. The chemical composition is also different from ordinary stainless steel.…
Due to the global shortage of automotive chips, in the past year, the price of STL9369, the core chip of the body electronic stability system produced by STMicroelectronics, has skyrocketed from 20 yuan to 2,800 yuan (excluding tax), a year-on-year i…
The U.S. CPI rose 1.2% month-on-month as expected in March, the highest since October 2005; this made the indicator up 8.5% year-on-year, higher than the expected 8.4%, and the highest since December 1981 (nearly 40 years).…
Synthetic graphite plays a significant role in a few highly specialized industries. Here’s a look at what it is and why investors should know about it.…
There are many types of cement, such as low alkali cement, ordinary cement and so on. Do you know the difference between low alkali cement and ordinary cement?…
It is a white hydraulic cementing material made by grinding, called white silicate cement (referred to as white cement).…
Monel alloy is a kind of nickel-copper alloy.…
What is gallium-nitride? Gallium nitride (chemical formula GaN) is a combination of nitrogen and galium. This compound makes a semiconductor with an energy gap. This compound has been used since 1990 in LEDs. It is similar in structure to wurtzite, a…
What metal is more resistant to heat than tungsten? Among all metal elements, tungsten's melting point is the highest, at 3,422. (Boiling point: 5,930). The melting point of tungsten is higher than any other metal element. Tungsten is element nu…