Overcoming the Probing-Depth Dilemma in Spectroscopic Analyses of Batteries with Muon-Induced X-ray Emission (MIXE)

Datasets used in the publication "Overcoming the Probing-Depth Dilemma in Spectroscopic Analyses of Batteries with Muon-Induced X-ray Emission (MIXE)".

fig_2: MIXE spectra of (a) an empty laminated Al pouch, (b) a Li metal foil in a laminated Al pouch, (c) a NMC622 electrode in a laminated Al pouch

fig_3: MIXE spectrum of a NMC811 electrode in a laminated Al pouch, measured at 23.8 MeV/c

fig_4b: Muon stopping profile simulated using PHITS for the cell geometry depicted in Figure 4a of the main manuscript

fig_4c: Depth-resolved MIXE spectra of a NMC811||graphite Li-ion battery. Raw data at the 11 momenta measured, and table with the integrated peak areas for selected (K-L) lines.

Update in version 2: raw datasets now have one energy column for each momentum. The datasets are of different lengths for each momentum and there was and error in copying the data in version 1. 

fig_4c: Table with calculated elemental ratios of the different transition metals (Ni, Mn and Co), at the momenta corresponding to implantation in the NMC811 electrode

fig_s2: MIXE spectrum of a NMC622 electrode in a laminated Al pouch, measured at 23.0 MeV/c

fig_s3: MIXE spectrum of a NMC111 electrode in a laminated Al pouch, measured at 22.8 MeV/c

fig_s4_s5_simulations: Raw data of the muon implantation simulations for the NMC811/graphite cell 

Update in version 2: added fig_s4_s5_simulations file

fig_s6: Labelled MIXE spectra (all peaks identified) of a NMC811 electrode in a laminated Al pouch, measured at 24.0, 26.0 and 28.0 MeV/c

本数据集来自论文《利用μ子诱导X射线发射（Muon-Induced X-ray Emission, MIXE）攻克电池光谱分析中的探测深度困境》。

图2：(a) 空白层压铝软包的MIXE谱图；(b) 封装于层压铝软包中的金属锂箔的MIXE谱图；(c) 封装于层压铝软包中的NMC622电极的MIXE谱图

图3：封装于层压铝软包中的NMC811电极的MIXE谱图，测试时μ子动量为23.8 MeV/c

图4b：基于正文中图4a所示电池几何结构，利用PHITS模拟得到的μ子阻止分布

图4c：NMC811||石墨锂离子电池的深度分辨MIXE谱图，包含11个测量动量下的原始数据，以及选定（K-L）特征线的积分峰面积统计表。
版本2更新说明：原始数据集现已为每个动量单独设置一列能量数据；不同动量对应的数据集长度存在差异，且版本1中存在数据复制错误。

图4c：针对NMC811电极植入层对应的动量区间，不同过渡金属（镍Ni、锰Mn、钴Co）的元素占比计算统计表

补充图S2：封装于层压铝软包中的NMC622电极的MIXE谱图，测试时μ子动量为23.0 MeV/c

补充图S3：封装于层压铝软包中的NMC111电极的MIXE谱图，测试时μ子动量为22.8 MeV/c

补充数据集fig_s4_s5_simulations：NMC811/石墨电池的μ子植入模拟原始数据
版本2更新说明：新增fig_s4_s5_simulations数据文件

补充图S6：封装于层压铝软包中的NMC811电极的标注型MIXE谱图（已完成全部峰位识别），测试时μ子动量分别为24.0、26.0和28.0 MeV/c