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Lithium distribution and transfer in high-power 18650-type Li-ion cells at multiple length scales
The distribution of lithium inside electrodes of a commercial Li-ion battery of 18650-type with LiFePO$_4$ cathode and graphite anode is investigated on different length scales using neutron diffraction, X-ray (synchrotron-based) diffraction and X-ray computed tomography. Evolution of 2D (in-plane) lithium distribution in lithiated graphite is monitored during charge/discharge using millimeter-sized spatial resolution. Micrometer-sized details of cell organization and lithiation of both the positive and negative electrodes are obtained from diffraction-based tomography applying synchrotron radiation. In-situ lithiation of the cathode over its thickness and development of the lithium concentration front during cell charge/discharge is traced by diffraction-based profiling with a micrometer-sized synchrotron beam in a single-layer electrochemical cell.
Lithium distribution and transfer in high-power 18650-type Li-ion cells at multiple length scales
The distribution of lithium inside electrodes of a commercial Li-ion battery of 18650-type with LiFePO$_4$ cathode and graphite anode is investigated on different length scales using neutron diffraction, X-ray (synchrotron-based) diffraction and X-ray computed tomography. Evolution of 2D (in-plane) lithium distribution in lithiated graphite is monitored during charge/discharge using millimeter-sized spatial resolution. Micrometer-sized details of cell organization and lithiation of both the positive and negative electrodes are obtained from diffraction-based tomography applying synchrotron radiation. In-situ lithiation of the cathode over its thickness and development of the lithium concentration front during cell charge/discharge is traced by diffraction-based profiling with a micrometer-sized synchrotron beam in a single-layer electrochemical cell.
Lithium distribution and transfer in high-power 18650-type Li-ion cells at multiple length scales
Petz, Dominik (author) / Mühlbauer, Martin J. (author) / Müller-Buschbaum, Peter (author) / Senyshyn, Anatoliy (author) / Baran, Volodymyr (author) / Schökel, Alexander (author) / Kochetov, Vladislav (author) / Hofmann, Michael (author) / Dyadkin, Vadim (author) / Staron, Peter (author)
2021-01-01
Energy storage materials 41, 546-553 (2021). doi:10.1016/j.ensm.2021.06.028
Article (Journal)
Electronic Resource
English
DDC:
624
Lithium distribution and transfer in high-power 18650-type Li-ion cells at multiple length scales
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