As many researchers believe, graphene floating on the water does not repel water, but attracts it. Graphene is made of the same material as graphite-for example, found in pencils-which is why graphene has long been thought to be as waterproof as gra…
A novel carbonaceous material with two-dimensional structure of single-layer graphene powder. Graphene powder has excellent electrical, thermal and mechanical properties.…
Few layer graphene is a new two-dimensional carbon material with atomic thickness. It can be used as lithium battery anode material.…
Graphene oxide is an oxide formed by the oxidation of graphite by strong acid. It adopts the oxidation reaction of potassium permanganate in concentrated sulfuric acid and graphite powder to obtain a tan edge derivative carboxylic acid base and pheno…
The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Touri…
How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains". The problem of childbirth is related to the people's livelihood. Whether a country can prosper or n…
The African Development Bank will finance $25 billion by 2025 to support Africa's fight against climate change, the bank's president said at the bank's annual meeting in Accra, Ghana. He noted that climate change has had many negative impacts on the…
The European Union is seeking to boost energy cooperation with African countries to help wean them off dependence on Russian gas imports.Bloomberg said, recently, according to a draft EU file, African countries, especially in western Africa Nigeria,…
The secretary general of the Organization of Petroleum Exporting Countries (OPEC) said recently that US economic sanctions against Venezuela have affected global energy supplies. He told Venezuelan media that the ECONOMIC sanctions imposed by the Uni…
Due to the properties of the chemical bonds between carbon atoms, graphene is very tough: it can be bent to large angles without breaking and withstand high pressures.…
Graphene — a two-dimensional carbon film just one atom thick — is an excellent material.…
A lead-acid battery (VRLA) is a battery whose electrodes are mainly made of lead and oxides, and the electrolyte is a sulfuric acid solution.…