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Instruments / Technical Area	Publication Details	Published
I13-2-Diamond Manchester Imaging	Clarifying the electro-chemo-mechanical coupling in Li10SnP2S12 based all-solid-state batteries Fu Sun , Chao Wang , Markus Osenberg , Kang Dong , Shu Zhang , Chao Yang , Yantao Wang , Andre Hilger , Jianjun Zhang , Shanmu Dong , Henning Markötter , Ingo Manke , Guanglei Cui Advanced Energy Materials DOI: 10.1002/aenm.202103714 Diamond Proposal Number(s): [18936] Show Abstract ▼ Abstract: A fundamental clarification of the electro-chemo-mechanical coupling at the solid–solid electrode\|electrolyte interface in all-solid-state batteries (ASSBs) is of crucial significance but has proven challenging. Herein, (synchrotron) X-ray tomography, electrochemical impedance spectroscopy (EIS), time-of-flight secondary-ion mass spectrometry (TOF-SIMS), and finite element analysis (FEA) modeling are jointly used to decouple the electro-chemo-mechanical coupling in Li10SnP2S12-based ASSBs. Non-destructive (synchrotron) X-ray tomography results visually disclose unexpected mechanical deformation of the solid electrolyte and electrode as well as an unanticipated evolving behavior of the (electro)chemically generated interphase. The EIS and TOF-SIMS probing results provide additional information that links the interphase/electrode properties to the overall battery performance. The modeling results complete the picture by providing the detailed distribution of the mechanical stress/strain and the potential/ionic flux within the electrolyte. Collectively, these results suggest that 1) the interfacial volume changes induced by the (electro)chemical reactions can trigger the mechanical deformation of the solid electrode and electrolyte; 2) the overall electrochemical process can accelerate the interfacial chemical reactions; 3) the reconfigured interfaces in turn influence the electric potential distribution as well as charge transportation within the SE. These fundamental discoveries that remain unreported until now significantly improve the understanding of the complicated electro-chemo-mechanical couplings in ASSBs.	Feb 2022
I13-2-Diamond Manchester Imaging	Synchrotron x‐ray tomography for rechargeable battery research: Fundamentals, setups and applications Fengcheng Tang , Zhibin Wu , Chao Yang , Markus Osenberg , Andre Hilger , Kang Dong , Henning Markötter , Ingo Manke , Fu Sun , Libao Chen , Guanglei Cui Small Methods 34 DOI: 10.1002/smtd.202100557 Show Abstract ▼ Abstract: Understanding the complicated interplay of the continuously evolving electrode materials in their inherent 3D states during the battery operating condition is of great importance for advancing rechargeable battery research. In this regard, the synchrotron X-ray tomography technique, which enables non-destructive, multi-scale, and 3D imaging of a variety of electrode components before/during/after battery operation, becomes an essential tool to deepen this understanding. The past few years have witnessed an increasingly growing interest in applying this technique in battery research. Hence, it is time to not only summarize the already obtained battery-related knowledge by using this technique, but also to present a fundamental elucidation of this technique to boost future studies in battery research. To this end, this review firstly introduces the fundamental principles and experimental setups of the synchrotron X-ray tomography technique. After that, a user guide to its application in battery research and examples of its applications in research of various types of batteries are presented. The current review ends with a discussion of the future opportunities of this technique for next-generation rechargeable batteries research. It is expected that this review can enhance the reader's understanding of the synchrotron X-ray tomography technique and stimulate new ideas and opportunities in battery research.	Aug 2021
I13-2-Diamond Manchester Imaging	Morphological reversibility of modified Li-based anodes for next-generation batteries Fu Sun , Dong Zhou , Xin He , Markus Osenberg , Kang Dong , Libao Chen , Shilin Mei , Andre Hilger , Henning Markötter , Yan Lu , Shanmu Dong , Shashidhara Marathe , Christoph Rau , Xu Hou , Jie Li , Marian Cristian Stan , Martin Winter , Robert Dominko , Ingo Manke Acs Energy Letters DOI: 10.1021/acsenergylett.9b02424 Diamond Proposal Number(s): [18936] Show Abstract ▼ Abstract: Although a great variety of strategies to suppress Li dendrite have been proposed for lithium metal batteries (LMBs), a deeper understanding of the factors playing a crucial role during extended electrochemical cycling is often lacking. Herein, the morphological reversibility of the Li-based anode for next-generation batteries under three prevalent strategies, i.e., the use of Li–Al alloys, polymer coating, and anodic aluminum oxide (AAO) membrane attachment, has been sophisticatedly investigated by nondestructive visualization. The characterizations clearly capture the unprecedented morphological evolution of the Li-based anode during the electrochemical cycling. Furthermore, the results unambiguously indicate the formation of the “dead” electrochemically generated porous structures regardless of >99% cycling efficiency shown in Li symmetric cells in all three cell configurations. The results presented here shed light on further understanding of the morphological evolution of the Li anode under different scenarios, and it also enlightens us on new research activities that may assist in propelling the commercialization of LMBs.	Dec 2019

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