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1Particulate modification of lithium-ion battery anode materials and electrolytes显示文摘Lithium-ion batteries(LIBs)are considered a rechargeable and commercial energy storage device for electronic equipment such as smartphone and electric vehicles.Despite the prospective future of LIBs,unsatisfied electrochemical properties like reversible capacity,cycle ability and coulombic efficiency still hinder their development.High volume expansion rate,uncontrolled Li dendrite growth and unsatisfied solid electrolyte interphase also occur when LIBs are applied in long-time usage.Numerous modification methods such as exploring high-capacity anode/cathode materials,constructing artificial solid electrolyte interphase and improved conductive binders can be adopted to enhance the performances.Among them,particulate modification for LIBs anode and electrolytes is receiving tremendous attraction in the recent work.The method is composed of changing the morphology and particle size of the active materials,also introduce nano-size additives to the main structure.This review emphasizes on introducing and discussing the modification in following aspects:particulate modification on carbon group IVA element anodes,introduction of additives like transition metal oxide nanoparticles into anode and electrolyte materials,dissipate the influence of Li dendrite growth and ameliorate the performances of solid electrolyte interface.This review hopes to be denoted for the future development of LIBs with the comprehensive understanding on the particulate modification.Zhiwei Li Ning Fu Zhenglong Yang 2023Particuology2023,,12:0
2A review of solid-state lithium metal batteries through in-situ solidification显示文摘High-energy-density lithium metal batteries are the next-generation battery systems of choice,and replacing the flammable liquid electrolyte with a polymer solid-state electrolyte is a prominent conduct towards realizing the goal of high-safety and high-specific-energy devices.Unfortunately,the inherent intractable problems of poor solid-solid contacts between the electrode/electrolyte and the growth of Li dendrites hinder their practical applications.The in-situ solidification has demonstrated a variety of advantages in the application of polymer electrolytes and artificial interphase,including the design of integrated polymer electrolytes and asymmetric polymer electrolytes to enhance the compatibility of solid–solid contact and compatibility between various electrolytes,and the construction of artificial interphase between the Li anode and cathode to suppress the formation of Li dendrites and to enhance the high-voltage stability of polymer electrolytes.This review firstly elaborates the history of in-situ solidification for solid-state batteries,and then focuses on the synthetic methods of solidified electrolytes.Furthermore,the recent progress of in-situ solidification technology from both the design of polymer electrolytes and the construction of artificial interphase is summarized,and the importance of in-situ solidification technology in enhancing safety is emphasized.Finally,prospects,emerging challenges,and practical applications of in-situ solidification are envisioned.Pan Xu Zong-Yao Shuang Chen-Zi Zhao Xue Li Li-Zhen Fan Aibing Chen Haoting Chen Elena Kuzmina Elena Karaseva Vladimir Kolosnitsyn Xiaoyuan Zeng Peng Dong Yingjie Zhang Mingpei Wang Qiang Zhang 2024Science China Chemistry2024,67,1:0
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