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Wang, Q. (author), Zhao, C. (author), Wang, Shuwei (author), Wang, Jianlin (author), Liu, M. (author), Ganapathy, S. (author), Bai, Xuedong (author), Li, Baohua (author), Wagemaker, M. (author)Improving the reversibility of lithium metal batteries is one of the challenges in current battery research. This requires better fundamental understanding of the evolution of the lithium deposition morphology, which is very complex due to the various parameters involved in different systems. Here, we clarify the fundamental origins of...journal article 2022
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Liang, Jianwen (author), van der Maas, E.L. (author), Luo, Jing (author), Li, Xiaona (author), Chen, Ning (author), Adair, Keegan R. (author), Li, Weihan (author), Li, Junjie (author), Hu, Yongfeng (author), Liu, Jue (author), Zhang, Li (author), Zhao, W. (author), Parnell, S.R. (author), Ganapathy, S. (author), Wagemaker, M. (author)Understanding the relationship between structure, ionic conductivity, and synthesis is the key to the development of superionic conductors. Here, a series of Li<sub>3-3</sub><sub>x</sub>M<sub>1+</sub><sub>x</sub>Cl<sub>6</sub> (−0.14 < x ≤ 0.5, M = Tb, Dy, Ho, Y, Er, Tm) solid electrolytes with orthorhombic and trigonal structures are...journal article 2022
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Liu, M. (author), Zhang, S. (author), van Eck, Ernst R.H. (author), Wang, C. (author), Ganapathy, S. (author), Wagemaker, M. (author)The development of commercial solid-state batteries has to date been hindered by the individual limitations of inorganic and organic solid electrolytes, motivating hybrid concepts. However, the room-temperature conductivity of hybrid solid electrolytes is still insufficient to support the required battery performance. A key challenge is to...journal article 2022
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Kjeldgaard, S. (author), Dugulan, A.I. (author), Mamakhel, Aref (author), Wagemaker, M. (author), Iversen, Bo Brummerstedt (author), Bentien, Anders (author)We report a comparison of different common synthetic strategies for preparation of Prussian blue analogues (PBA). PBA are promising as cathode material for a number of different battery types, including K-ion and Na-ion batteries with both aqueous and non-aqueous electrolytes. PBA exhibit a significant degree of structural variation. The...journal article 2021
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Wang, C. (author), Liu, M. (author), Thijs, M.A. (author), Ooms, F.G.B. (author), Ganapathy, S. (author), Wagemaker, M. (author)Li metal batteries are being intensively investigated as a means to achieve higher energy density when compared with standard Li-ion batteries. However, the formation of dendritic and mossy Li metal microstructures at the negative electrode during stripping/plating cycles causes electrolyte decomposition and the formation of electronically...journal article 2021
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Liu, M. (author), Wang, C. (author), Zhao, C. (author), van der Maas, E.L. (author), Lin, Kui (author), Arszelewska, Violetta (author), Li, Baohua (author), Ganapathy, S. (author), Wagemaker, M. (author)A key challenge for solid-state-batteries development is to design electrode-electrolyte interfaces that combine (electro)chemical and mechanical stability with facile Li-ion transport. However, while the solid-electrolyte/electrode interfacial area should be maximized to facilitate the transport of high electrical currents on the one hand,...journal article 2021
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Atkins, Duncan (author), Capria, Ennio (author), Edström, Kristina (author), Famprikis, T. (author), Grimaud, Alexis (author), Jacquet, Quentin (author), Johnson, S.M. (author), Matic, Aleksandar (author), Wagemaker, M. (author)Li-ion batteries are the essential energy-storage building blocks of modern society. However, producing ultra-high electrochemical performance in safe and sustainable batteries for example, e-mobility, and portable and stationary applications, demands overcoming major technological challenges. Materials engineering and new chemistries are key...journal article 2021
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Liu, M. (author), Ganapathy, S. (author), Wagemaker, M. (author)ConspectusDriven by the intrinsic safety and potential to achieve higher energy densities, solid-state Li-metal batteries are intensively researched. The ideal solid electrolyte should possess a high conductivity, should have electrochemical stability both toward the Li-metal anode and to high voltage cathodes, should suppress dendrites,...journal article 2021
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van der Jagt, R. (author), Vasileiadis, A. (author), Veldhuizen, H.V. (author), Ganapathy, S. (author), Habisreutinger, N.C.P. (author), van der Veen, M.A. (author), Wang, C. (author), Wagemaker, M. (author), van der Zwaag, S. (author), Nagai, A. (author)Covalent organic frameworks (COFs) are an emerging material family having several potential applications. Their porous framework and redox-active centers enable gas/ion adsorption, allowing them to function as safe, cheap, and tunable electrode materials in next-generation batteries, as well as CO2 adsorption materials for carbon-capture...journal article 2021
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Schwietert, T.K. (author), Vasileiadis, A. (author), Wagemaker, M. (author)Solid-state batteries have significant advantages over conventional liquid batteries, providing improved safety, design freedom, and potentially reaching higher power and energy densities. The major obstacle in the commercial realization of solid-state batteries is the high resistance at the interfaces. To overcome this bottleneck, it is...journal article 2021
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Kjeldgaard, Solveig (author), Wagemaker, M. (author), Iversen, Bo Brummerstedt (author), Bentien, Anders (author)In this work, we investigate factors affecting the capacity retention of aqueous copper hexacyanoferrate/Zn batteries. We compare the performance of four different copper hexacyanoferrate (CuHCF) samples as cathode in CuHCF/Zn cells with Na2SO4 and ZnSO4 based electrolytes at different pH. In Na2SO4 electrolyte, the capacity retention is...journal article 2021
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Zhao, Chenglong (author), Yao, Zhenpeng (author), Wang, Qidi (author), Li, Haifeng (author), Wang, Jianlin (author), Liu, M. (author), Ganapathy, S. (author), Lu, Yaxiang (author), Wagemaker, M. (author)Layered Na-based oxides with the general composition of NaxTMO2 (TM: transition metal) have attracted significant attention for their high compositional diversity that provides tunable electrochemical performance for electrodes in sodium-ion batteries. The various compositions bring forward complex structural chemistry that is decisive for...journal article 2020
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Liu, M. (author), Wang, C. (author), Cheng, Z. (author), Ganapathy, S. (author), Haverkate, Lucas A. (author), Unnikrishnan, Sandeep (author), Wagemaker, M. (author)Solid-state lithium-metal batteries are considered to be promising candidates for next-generation high-energy density storage devices to power electrical vehicles. Critical challenges for solid-state lithium-metal batteries include the large morphological changes associated with the plating and stripping of lithium metal and decomposition of...journal article 2020
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Basak, S. (author), Migunov, Vadim (author), Lee, Q. (author), Ganapathy, S. (author), Vijay, Ashwin (author), Ooms, F.G.B. (author), Wagemaker, M. (author), Kelder, E.M. (author), Arszelewska, Violetta (author)With operando transmission electron microscopy visualizing the solid-solid electrode-electrolyte interface of silicon active particles and lithium oxide solid electrolyte as a model system, we show that (de)lithiation (battery cycling) does not require all particles to be in direct contact with electrolytes across length scales of a few...journal article 2020
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Cheng, Zhu (author), Liu, M. (author), Ganapathy, S. (author), Li, Z. (author), Zhang, Xiaoyu (author), He, Ping (author), Zhou, Haoshen (author), Wagemaker, M. (author), Li, Chau (author)The influence of space-charge layers on the ionic charge transport over cathode-solid electrolyte interfaces in all-solid-state batteries remains unclear because of the difficulty to unravel it from other contributions to the ion transport over the interfaces. Here, we reveal the effect of the space-charge layers by systematically tuning the...journal article 2020
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Ganapathy, S. (author), Wagemaker, M. (author)Li4Ti5O12 is a commonly used negative electrode material, but the origin of its fast rate capability has puzzled scientists for decades. Now, a facile Li-ion transport route featuring metastable intermediates is revealed to rationalize the fast-charging kinetics.journal article 2020
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Quan, Ting (author), Xu, Yaolin (author), Tovar, Michael (author), Goubard-Bretesché, Nicolas (author), Li, Z. (author), Kochovski, Zdravko (author), Kirmse, Holm (author), Skrodczky, Kai (author), Wagemaker, M. (author)The use of “water-in-salt” electrolyte (WISE) (i. e., a highly concentrated aqueous solution) in rechargeable batteries has received increasing attention due to the significantly expanded electrochemical window compared to the limited voltage of conventional aqueous electrolytes. It enables the use of more positive/negative electrode material...journal article 2020
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Wang, Qidi (author), Yao, Zhenpeng (author), Zhao, Chenglong (author), Verhallen, T.W. (author), Tabor, Daniel P. (author), Liu, M. (author), Ooms, F.G.B. (author), Kang, Feiyu (author), Wagemaker, M. (author)Metallic lithium is a promising anode to increase the energy density of rechargeable lithium batteries. Despite extensive efforts, detrimental reactivity of lithium metal with electrolytes and uncontrolled dendrite growth remain challenging interconnected issues hindering highly reversible Li-metal batteries. Herein, we report a rationally...journal article 2020
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Zhao, Chenglong (author), Wang, Qidi (author), Yao, Zhenpeng (author), Wang, Jianlin (author), Sánchez-Lengeling, Benjamín (author), Ding, Feixiang (author), Qi, Xingguo (author), Lu, Yaxiang (author), Wagemaker, M. (author)Sodium-ion batteries have captured widespread attention for grid-scale energy storage owing to the natural abundance of sodium. The performance of such batteries is limited by available electrode materials, especially for sodium-ion layered oxides, motivating the exploration of high compositional diversity. How the composition determines the...journal article 2020
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Basak, Shibabrata (author), Baaij, Siemen (author), Ganapathy, S. (author), George, Chandramohan (author), Tempel, Hermann (author), Kungl, Hans (author), Kelder, E.M. (author), Zandbergen, H.W. (author), Wagemaker, M. (author), Eichel, Rüdiger A. (author)High-fidelity and facile ex situ transmission electron microscopy (TEM) characterization of lithium−oxygen (Li−O<sub>2</sub>) batteries is still limited by challenges in preserving the native environment of Li−O<sub>2</sub> discharge products. The extreme reactivity and moisture sensitivity of the discharge products means that they are...journal article 2020