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| 1 | 石墨烯基材料在高性能锂金属电池中的研究进展显示文摘由于相对较低的能量密度,商用锂离子电池(LIB)难以满足便携式电子和电动汽车对储能设备能量密度日益增长的需求。锂(Li)金属具有高理论比容量(3860 mAh g^(-1))和低的密度(0.59 g cm^(-3)),被认为是下一代高能密度锂电池最具前途的负极之一,如Li-S和Li-O_(2)电池。然而,由于固态电解质界面层的不稳定,导致锂枝晶生长不可控和库伦效率低等问题,限制了锂金属电池的实际应用。石墨烯基材料(GBMs)具有高比表面积、可调节的孔结构和表面化学特性,已被证明可以显著解决上述问题。本文综述了利用石墨烯基材料来保护锂金属负极的各种策略,并详细讨论了在锂金属保护中具有不同功能和作用的石墨烯基纳米材料的合理设计。文中还讨论了石墨烯基纳米材料用于锂金属负极中未来发展面临的挑战和可能的解决方案。 | 王信 黄润青 牛树章 徐磊 张启程 Abbas Amini 程春 | 2021 | 新型炭材料2021，36，4： | 7 |
| 2 | Large-Scale Synthesis of the Stable Co-Free Layered Oxide Cathode by the Synergetic Contribution of Multielement Chemical Substitution for Practical Sodium-Ion Battery显示文摘The O3-type layered oxide cathodes for sodium-ion batteries(SIBs)are considered as one of the most promising systems to fully meet the requirement for future practical application.However,fatal issues in several respects such as poor air stability,irreversible complex multiphase evolution,inferior cycling lifespan,and poor industrial feasibility are restricting their commercialization development.Here,a stable Co-free O3-type NaNi_(0.4)Cu_(0.05)Mg_(0.05)Mn_(0.4)Ti_(0.1O2) cathode material with large-scale production could solve these problems for practical SIBs.Owing to the synergetic contribution of the multielement chemical substitution strategy,this novel cathode not only shows excellent air stability and thermal stability as well as a simple phase-transition process but also delivers outstanding battery performance in half-cell and full-cell systems.Meanwhile,various advanced characterization techniques are utilized to accurately decipher the crystalline formation process,atomic arrangement,structural evolution,and inherent effect mechanisms.Surprisingly,apart from restraining the unfavorable multiphase transformation and enhancing air stability,the accurate multielement chemical substitution engineering also shows a pinning effect to alleviate the lattice strains for the high structural reversibility and enlarges the interlayer spacing reasonably to enhance Na^(+)diffusion,resulting in excellent comprehensive performance.Overall,this study explores the fundamental scientific understandings of multielement chemical substitution strategy and opens up a new field for increasing the practicality to commercialization. | Yao Xiao Tao Wang Yan-Fang Zhu Hai-Yan Hu Shuang-Jie Tan Shi Li Peng-Fei Wang Wei Zhang Yu-Bin Niu En-Hui Wang Yu-Jie Guo Xinan Yang Lin Liu Yu-Mei Liu Hongliang Li Xiao-Dong Guo Ya-Xia Yin Yu-Guo Guo | 2020 | Research2020，，1： | 3 |
| 3 | 碳基支架在构建稳定复合锂金属阳极方面的研究进展显示文摘因为锂金属电池(LMBs)具有高能量密度、高理论比容量和低氧化电位等优点,被认为是后锂离子电池(LIBs)中理想的能量存储装置之一。然而,锂金属阳极(LMA)面临着多种障碍,包括低库仑效率(CE)、大体积膨胀、锂枝晶的形成、低安全和低稳定性及短寿命,这些问题阻碍了LMBs的实际应用。由于低密度、高机械强度、稳定的化学性质和大比表面积等优势,碳基材料受到了广泛关注。建立复合碳基LMA是各种策略中的一种有效选择,因为其具有缓解体积膨胀、降低局部电流密度以及提供均匀Li+沉积的活性成核位点的能力。本文综述了复合碳基LMA的最新研究进展,包括碳基复合材料、元素金属及其化合物与碳基材料的复合物,以及它们与阳极界面稳定性和结构的关系。最后,本文总结并提出了关于将碳基材料作为LMA支架的观点和见解。 | 陈粤 赵鲁康 周俊龙 边煜华 高宣雯 陈红 刘朝孟 骆文彬 | 2023 | 新型炭材料(中英文)2023，38，4： | 0 |
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