Similar to lead-based and nickel-based batteries, lithium ions use a positive electrode (cathode), a negative electrode (anode), and an electrolyte as a conductor. The positive wire is a metal oxide, and the negative electrode is composed of porous g…
The German import price index rose 4.3 percent month-on-month and 32.7 percent year-on-year in August 2022 due to energy shortages, the largest year-on-year increase since March 1974, data from the German Federal Statistical Office showed on October…
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…
The main characteristics of PVA fiber are high strength, high modulus, low elongation, abrasion resistance, acid and alkali resistance, good weather resistance. It is good affinity and bonding with cement, gypsum and other substrates. It is non-toxic…