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| 1 | Oxide cathodes for sodium-ion batteries:Designs,challenges,and perspectives显示文摘Sodium-ion batteries(SIBs),which are an alternative to lithium-ion batteries(LIBs),have attracted increasing attention due to their low cost of Na resources and similar Na storage mechanism to LIBs.Compared with anode materials and electrolytes,the development of cathode materials lags behind.Therefore,the key to improving the specific energy and promoting the application of SIBs is to develop high-performance sodium intercalation cathode materials.Transition-metal oxides are one of the most promising cathode materials for SIBs owing to their excellent energy density,high specific discharge capacity,and environmentally friendly nature.In the present work,the latest progress in the research of transition-metal oxides is summarized.Moreover,the existing challenges are discussed,and a series of strategies are proposed to overcome these drawbacks.This review aims at providing guidance for the development of metal oxides in the next stage. | Tao Chen Baixue Ouyang Xiaowen Fan Weili Zhou Weifang Liu Kaiyu Liu | 2022 | Carbon Energy2022，4，2： | 3 |
| 2 | 磁性金属元素在钠离子电池中的应用显示文摘钠离子电池由于其资源丰富、价格低廉等因素常被用作锂离子电池的替代品。但由于钠的原子半径相对较大、动力学性能相对迟缓等问题,限制了钠离子电池的商业化发展进程。本文基于目前最新的研究,系统总结了普鲁士蓝类、层状过渡金属氧化物类、聚阴离子类中的磁性金属元素在钠离子电池正极材料中的应用,通过掺杂磁性元素来提高电化学性能及循环稳定性。普鲁士蓝类在实际应用中普遍存在容量利用率低、效率低、倍率差和循环不稳定等缺点,然而通过磁性金属元素的掺杂降低Na^(+)通过SEI膜的扩散电阻,加速离子扩散过程,增加活性位点。层状过渡金属氧化物类、聚阴离子类正极材料利用磁性金属元素,增强了钠离子电池的电化学性能。对比锂离子电池负极材料,通过设计含有磁性元素的新型钠离子电池负极材料实现快速储钠,在碳基材料中负载磁性金属元素,加速Na^(+)扩散。本文对最新的进展情况进行分析并综述。 | 赵玉文 杨欢 郭俊朋 张毅 孙琦 张志佳 | 2023 | 储能科学与技术2023，12，5： | 1 |
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