Aliphatic chain compounds include aliphatic compounds and chain compounds containing other elements or groups. Aliphatic hydrocarbons are hydrocarbons with the basic properties of aliphatic compounds. In aliphatic compounds, carbon atoms are arranged in straight chain, branched chain or cyclic, which are respectively called straight chain aliphatic hydrocarbons, branched chain aliphatic hydrocarbons and alicyclic hydrocarbons. Some cyclic hydrocarbons are different in nature from aromatic hydrocarbons, and are very similar to aliphatic hydrocarbons. Such cyclic hydrocarbons are called alicyclic hydrocarbons. In this way, aliphatic hydrocarbons become a general term for all hydrocarbons except aromatic hydrocarbons. Aliphatic hydrocarbons and their derivatives (including halogenated hydrocarbons) and alicyclic hydrocarbons and their derivatives are collectively referred to as aliphatic compounds.
Lithium-ion batteries (Li-ion batteries) are widely used in portable electronic devices, electric vehicles, and renewable energy storage systems due to their high energy density and long cycle life. These batteries are composed of several key materials such as cathode materials, anode materials, electrolyte, separator and current collector, which enable them to operate. Other minor components in Li-ion batteries include binders, additives, and fillers, which improve electrode stability, electrolyte performance, and battery safety. Ongoing research and development focus on improving the energy density, safety, and cost-effectiveness of Li-ion batteries through advancements in materials, including the exploration of new cathode and anode materials, solid-state electrolytes, high-voltage electrolyte additives, and advanced manufacturing techniques.
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