This article discusses electrolytes used in lithium batteries.
Electrolyte is the carrier of ions in a battery and is generally composed of lithium salts and organic solvents.
The electrolyte plays a role in conducting ions between the positive and negative electrodes of a lithium battery, which is the guarantee for the high voltage and high specific energy of lithium-ion batteries.
Electrolytes are generally prepared from high-purity organic solvents, lithium electrolytes, and necessary additives under certain conditions and in certain proportions.
The main electrolytes used in lithium batteries include lithium perchlorate and lithium hexafluorophosphate.
Batteries made from lithium perchlorate perform poorly at low temperatures and pose an explosion hazard, leading to their ban in Japan and the United States. In contrast, batteries made from fluorinated lithium salts offer superior performance, pose no explosion hazard, and have wide applicability. Batteries made from lithium hexafluorophosphate, in particular, offer the aforementioned advantages, and their disposal is relatively simple and environmentally friendly, making them a promising choice for the market.
