Jin LIANG , Ze QIN , Zhong QUAN , Jing HAO , Xian-ying QIN , Bao-hua LI , Fei-yu KANG
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A review of strategies to produce a fast-charging graphite anode in lithium-ion batteries
Lithium-ion batteries (LIBs) are an electrochemical energy storage technology that has been widely used for portable electrical devices, electric vehicles, and grid storage, etc. To satisfy the demand for user convenience especially for electric vehicles, the development of a fast-charging technology for LIBs has become a critical focus. In commercial LIBs, the slow kinetics of Li+ intercalation into the graphite anode from the electrolyte solution is known as the main restriction for fast-charging. We summarize the recent advances in obtaining fast-charging graphite-based anodes, mainly involving modifications of the electrolyte solution and graphite anode. Specifically, strategies for increasing the ionic conductivity and regulating the Li+ solvation/desolvation state in the electrolyte solution, as well as optimizing the fabrication and the intrinsic activity of graphite-based anodes are discussed in detail. This review considers practical ways to obtain fast Li+ intercalation kinetics into a graphite anode from the electrolyte as well as analysing progress in the commercialization of fast-charging LIBs.
期刊介绍:
New Carbon Materials is a scholarly journal that publishes original research papers focusing on the physics, chemistry, and technology of organic substances that serve as precursors for creating carbonaceous solids with aromatic or tetrahedral bonding. The scope of materials covered by the journal extends from diamond and graphite to a variety of forms including chars, semicokes, mesophase substances, carbons, carbon fibers, carbynes, fullerenes, and carbon nanotubes. The journal's objective is to showcase the latest research findings and advancements in the areas of formation, structure, properties, behaviors, and technological applications of carbon materials. Additionally, the journal includes papers on the secondary production of new carbon and composite materials, such as carbon-carbon composites, derived from the aforementioned carbons. Research papers on organic substances will be considered for publication only if they have a direct relevance to the resulting carbon materials.