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编者按
| 李 泓 中国科学院物理研究所
| 施思齐 上海大学
| 禹习谦 中国科学院物理研究所
锂离子电池作为一种性能优越的新型可充放电池已经在移动通信、手提式计算机和电动汽车等诸多领域获得广泛应用。然而,锂离子电池也面临着其性能需要全面提升、应用领域需进一步拓宽的强劲需求。因此,亟需精确认识锂离子电池在不同时间-空间尺度上复杂的构型关系,全面理解电池在服役过程中的失效机制。尤其是近三十年的应用实践经验表明,实现锂离子电池的性能提升不仅取决于先进材料的发展,也依赖于电池设计、制造与管理水平的提升。
本次在CPB组织的“储能材料和器件的多尺度计算与先进表征”专题,研究内容可以大致划分为如下四个方面:(1) 采用高通量第一性原理计算并结合力学-电化学耦合方程的锂离子输运机理研究及材料筛选;(2)利用电子显微学、X射线和中子实验技术研究不同空间尺度下电池材料结构与电池性能之间的关联;(3)通过分析锂离子电池电极尺度断裂行为的理论、模拟和实验研究现状,探究电极尺度断裂对电池性能的影响机理及相关的科学问题;(4)以过程系统工程的建模、仿真与优化视角,全面综述基于模型的锂离子电池多尺度优化设计与管理方法,并展望未来发展方向。希望这个专题能够为加强国内外储能材料和器件多尺度计算与先进表征领域的学术交流,并推动高性能储能材料和器件的研发做出贡献。
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SPECIAL TOPIC — Topological 2D materials
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Virtual Special Topic — High temperature superconductivity
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官网:http://cpb.iphy.ac.cn https://iopscience.iop.org/journal/1674-1056
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