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| 1 | From Liquid to Solid‑State Lithium Metal Batteries:Fundamental Issues and Recent Developments显示文摘The widespread adoption of lithium-ion batteries has been driven by the proliferation of portable electronic devices and electric vehicles,which have increasingly stringent energy density requirements.Lithium metal batteries(LMBs),with their ultralow reduction potential and high theoretical capacity,are widely regarded as the most promising technical pathway for achieving high energy density batteries.In this review,we provide a comprehensive overview of fundamental issues related to high reactivity and migrated interfaces in LMBs.Furthermore,we propose improved strategies involving interface engineering,3D current collector design,electrolyte optimization,separator modification,application of alloyed anodes,and external field regulation to address these challenges.The utilization of solid-state electrolytes can significantly enhance the safety of LMBs and represents the only viable approach for advancing them.This review also encompasses the variation in fundamental issues and design strategies for the transition from liquid to solid electrolytes.Particularly noteworthy is that the introduction of SSEs will exacerbate differences in electrochemical and mechanical properties at the interface,leading to increased interface inhomogeneity—a critical factor contributing to failure in all-solidstate lithium metal batteries.Based on recent research works,this perspective highlights the current status of research on developing high-performance LMBs. | Zhao Zhang Wei‑Qiang Han | 2024 | Nano-Micro Letters2024，16，2： | 0 |
| 2 | 基于机理模型的锂电池最佳放电策略研究显示文摘锂离子电池作为一种清洁高效的储能装置,广泛应用于新能源汽车、微电网等储能领域,但由于复杂的降解机制,电池本身的循环寿命受到影响。为了在未指定的最佳负载电流的基础上优化放电容量和循环寿命,采用锂离子电池机理模型,并通过电池荷电状态和循环数对低放电电流相关的退化机制进行了研究,确定了一般锂离子电池的最佳放电电流及变化规律。研究结果显示,当电池为新电池时,最佳放电电流应保持在放电循环开始时的1 C水平,当电池荷电状态SOC达到阳极中副反应速率显著降低的点时,应降低放电电流。研究结果对于储能电站或新能源汽车的锂电池模组放电过程的优化运行和设计具有指导意义。 | 吴新华 刘林萍 季青锋 杜倩昀 李祖鑫 张锋 | 2023 | 湖南电力2023，43，6： | 0 |
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