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首页> 外文期刊>Bulletin of the American Physical Society >APS -2017 Fall Meeting of the APS New England Section- Event - Facilitating Li-Ion Battery Advancement With Hard X-ray Photoelectron Spectroscopy
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APS -2017 Fall Meeting of the APS New England Section- Event - Facilitating Li-Ion Battery Advancement With Hard X-ray Photoelectron Spectroscopy

机译：APS -2017年APS新英格兰分部秋季会议-活动-通过硬X射线光电子能谱促进锂离子电池的发展

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Portable electronic devices and the robust research effort to improve batteries supplying power to them have increased each other’s popularity for more than 30 years. This has furnished batteries that work acceptably well for handheld electronics, but are insufficient for more demanding applications like electric vehicles. Greater energy density and power output, as well as reduced charging time and cost, for instance, are desirable facets next-generation batteries ought to have in order to facilitate industrial conversion to hybrid and all-electric vehicles. Researchers across industry and academia are presently attempting to improve battery technology to meet these goals. Many attempts to improve battery technology, both successful and unsuccessful, may be characterized by analysis of a passivation layer that grows on battery electrodes during regular charge/discharge cycling. X-ray photoelectron spectroscopy (XPS) is a popular tool for this analysis but the higher energy version of this technique, HAXPES, can offer additional information, including depth-sensitive profiling of the chemical environment using synchrotron radiation. Some of the most pressing challenges to development of superior Li-ion rechargeable battery solutions for demanding applications are presented, as well as proposed solutions and lessons learned about them from HAXPES analysis performed at Brookhaven National Laboratory and at the Canadian Light Source.
机译：便携式电子设备以及为改善向其供电的电池而进行的强有力的研究努力，已经使彼此之间的普及增加了30多年。这样提供的电池对于手持式电子设备来说可以很好地工作，但是不足以应对电动汽车等要求更高的应用。例如，更高的能量密度和功率输出，以及减少的充电时间和成本，是下一代电池应具有的理想方面，以促进工业向混合动力和全电动汽车的转换。工业界和学术界的研究人员目前正在尝试改善电池技术以实现这些目标。改善电池技术的许多尝试（无论成功与否）都可以通过分析定期充电/放电过程中在电池电极上生长的钝化层来表征。循环。 X射线光电子能谱（XPS）是进行此分析的常用工具，但是该技术的高能版本HAXPES可以提供​​其他信息，包括使用同步加速器辐射对化学环境进行深度敏感的分析。介绍了针对要求苛刻的应用开发高级锂离子充电电池解决方案所面临的紧迫挑战，以及从布鲁克海文国家实验室和加拿大光源进行的HAXPES分析获得的建议解决方案和经验教训。

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