Mortar early strength agent is an important mortar additive, which has an important influence on the performance of mortar. it can improve construction efficiency and save construction cost.…
U.S. natural gas futures rose about 5 percent to a near nine-week high as global energy prices surged on concerns over a pricing plan for energy exports, keeping U.S. LNG export demand near record highs. U.S. natural gas prices have risen despite for…
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
Lithium batteries use organic solvents, unlike the zinc chloride and potassium hydroxide aqueous electrolytes of the current manganese batteries and alkaline dry batteries.…
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
Lithium-ion batteries have become hotspots in energy research due to their higher energy density, long service life, and smaller volume compared with lead-acid, nickel-cadmium, nickel-metal hydride, and other batteries, and no memory effect.…
Graphite has good conductivity, high crystallinity, and a well-layered structure. It is very suitable for repeated intercalation and deintercalation of lithium ions.…
Lithium-ion battery refers to a secondary battery system in which two different lithium intercalation compounds that can reversibly intercalate and deintercalation lithium ions are used as the battery's positive electrode and negative electrode, resp…
Lithium-ion batteries are divided into liquid lithium-ion batteries and polymer lithium-ion batteries. The electrolyte of lithium-ion batteries is fluid, so they are more unstable than lithium-polymer batteries, and they may explode if they are beat…
The actual negative electrode materials used in lithium-ion batteries are basically carbon materials, such as artificial graphite, natural graphite, mesocarbon microspheres, petroleum coke, carbon fiber, pyrolysis resin carbon, etc.…
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.…