Measurement of muonic X-ray intensities and Coulomb capture ratios in chlorides

Daniel, H.; Bergmann, Ralf B.; Fottner, G.; Hartmann, F. J.; Wilhelm, Wilbert E.

doi:10.1007/bf01419853

Cited by 14 publications

(5 citation statements)

References 23 publications

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“…The experiments were performed under the same conditions as described in [4] for chlorides. The experiments were performed under the same conditions as described in [4] for chlorides.…”

Section: Experiments and Resultsmentioning

confidence: 99%

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Muonic coulomb capture ratios in fluorides and sulfides

et al. 1982

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“…The experiments were performed under the same conditions as described in [4] for chlorides. The experiments were performed under the same conditions as described in [4] for chlorides.…”

Section: Experiments and Resultsmentioning

confidence: 99%

“…Series of muonic Coulomb capture ratios have been measured by several groups for oxides [1][2][3], chlorides [4] and several halides [5]. These experiments gave clear evidence that the capture ratios vary periodically with the atomic number Z of the cation.…”

Section: Introductionmentioning

confidence: 99%

Muonic coulomb capture ratios in fluorides and sulfides

et al. 1982

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“…However, as it is difficult to calculate A (Li, X ) only from the compound’s composition, A (Li, X ), is determined experimentally from the ratio of the K α line intensity between Li and X , namely . Despite previous muonic X-ray studies on binary compounds, , there is no available data for C 6 Li. Therefore, we estimated A (Li, C) from our results.…”

Section: Discussionmentioning

confidence: 99%

“…Thus, we obtain A (Li, C) = 0.12 ± 0.03 per C atom for C 6 Li, which is comparable to the values for the other Li binary compounds. That is, A (Li, F) = 0.10 ± 0.08 for LiF, and A (Li, Cl) = 0.19 ± 0.08 for LiCl . For in C 6 Li, the intensity from Li in C 6 Li is approximately 2% of that in Li metal because all incident negative muons are captured by Li in Li metal.…”

Section: Discussionmentioning

confidence: 99%

Nondestructive High-Sensitivity Detections of Metallic Lithium Deposited on a Battery Anode Using Muonic X-rays

et al. 2020

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Metallic Li deposited on the anode is known to induce short circuiting and degradation of the charge capacity of Li-ion batteries. However, no reliable technique is currently available to observe such Li metal without removing the case of the battery. An elemental analysis using muonic X-rays is proposed here because of its unique properties of nondestructive measurement, high sensitivity to light elements, and depth resolution. We demonstrated that this technique can be applied to detection of Li deposited on the surface of an anode containing Li ions, using a fully charged anode with Li deposited due to overcharge in an Al-laminated plastic pouch. The basis for the detection method is the difference in the atomic Coulomb capture ratio of the negative muons between the Li metal and ions. We have found, as a result, that the intensity of the muonic X-rays from metallic Li was approximately 50 times higher than that from Li ions. Consequently, the Li metal on the anode was clearly distinguishable from the intercalated Li ions in the anode. Furthermore, measurements of two overcharged anodes with 1.3 and 2.7 mg of metallic Li deposition, respectively, indicated that this technique is suitable for quantitative analysis. Distribution analysis is also possible, as shown by a preliminary observation on an overcharged anode from the back side. Therefore, this technique offers a new approach to the analysis of Li deposited on the anode of a Li-ion pouch battery.

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“…Li amount A None 0 (mg/cm 2 ) B 16% 0.18 (mg/cm 2 ) C 32% 0.44 (mg/cm 2 ) D 32% 0.44 (mg/cm 2 ) [13] A(Li, Cl)=0.19 0.08 [14] C6Li…”

Section: Sample LI Depositionmentioning

confidence: 99%