The common problems in the use and maintenance of lithium batteries
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase o…
The closure of airspace during the Conflict between Russia and Ukraine has had a serious impact on the aviation industry, according to an analysis by the International Air Transport Association (IATA) released on Tuesday. Flights had to be diverted o…
Calcium hydride is an inorganic compound with a chemical formula of CaH2. It is a white crystalline powder, insoluble in carbon disulfide and slightly soluble in concentrated acid. It is mainly used as a reducing agent, desiccant, chemical analysis r…