Clark, George
Ion:There are two kinds of ions. The one is the cation which is formed when an atom leaves electrons from its last shell. The second is the anion which is formed when an atom accepts electrons. The formation of ions takes place so that the atom becomes stable....
... EQUAL PARTS OF SULFUR & BLEACH POWDER PRODUCED AN EXPLOSION WHEN HEATED IN CLOSED VESSEL. ... MIXTURE OF CHLORATES & SULFUR WILL EXPLODE.SULFUR-PLUS-CHLORATE EXPLOSION IS REMARKABLY SPONTANEOUS IN PRESENCE OF COPPER ION OR COPPER, EG, IN THE FORM OF BRONZE SCREEN, EVEN AT ROOM TEMP....
However, the development of SSLSBs has been historically plagued by the insulating nature of sulfur4,5 and the poor interfacial contacts induced by its large volume change during cycling6,7, impeding charge transfer among different solid components. Here we report an S9.3I molecular crystal with ...
the negative pole metal lithium dissolves in the electrolyte, and thelithium ionmoves to the sulfur positive pole and reacts with sulfur to formpolysulfideion (Li2Sx). During charge, the polysulfide ion decomposes, and the lithium ion returns to the negative pole. The whole chemical reaction ...
5e). The initial discharge–charge profiles were rather smooth as the result of kinetic promotion of the mixed-Se promoter (Fig. S12). The high-energy-density pouch cell maintained 20 cycles to reach an actual energy density of 287 Wh kg−1, during which the Coulombic efficiency fluctuated...
RCT is an indicator of how facile electron exchange kinetics are at the interface. CPELIQUID quantizes diffusion of lithium ions in electrolyte near electrode surface. This diffusion impedance originates from the concentration gradient of lithium ions existing between the diffuse layer of charge and ...
The injection of sulfate-containing seawater into an oil reservoir, for maintaining the reservoir pressure, can promote the growth of sulfate reducing bact
leading to poor diffusion gradients compared with electric field force. When the charge state deepens, the concentration of long-chain polysulfides increases significantly. At the end of charge process, the diffusion force is stronger than the electric field force, which results in long-chain polysulf...
When ions of lithium carrying charge reach the sulfur side, a chemical reaction occurs between the lithium and sulfur, resulting in the formation of lithium-containing sulfur compounds, called polysulfides, that are then carried to the lithium side during charging. Over time, this causes a mossy ...