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Gao, Ziyao (author), Zhao, C. (author), Zhou, Kai (author), Wu, Junru (author), Tian, Yao (author), Deng, Xianming (author), Zhang, Lihan (author), Lin, Kui (author), Wagemaker, M. (author)Nickel-rich layered oxide cathodes promise ultrahigh energy density but is plagued by the mechanical failure of the secondary particle upon (de)lithiation. Existing approaches for alleviating the structural degradation could retard pulverization, yet fail to tune the stress distribution and root out the formation of cracks. Herein, we report...journal article 2024
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Wang, Q. (author), Zhou, Dong (author), Zhao, C. (author), Wang, Jianlin (author), Guo, Hao (author), Wang, Liguang (author), Yao, Zhenpeng (author), Lu, Jun (author), Wagemaker, M. (author)Sodium-ion batteries have not only garnered substantial attention for grid-scale energy storage owing to the higher abundance of sodium compared with lithium, but also present the possibility of fast charging because of the inherently higher sodium-ion mobility. However, it remains a phenomenal challenge to achieve a combination of these...journal article 2024
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Wang, Q. (author), Zhou, Yunan (author), Wang, Xuelong (author), Guo, Hao (author), Gong, Shuiping (author), Yao, Zhenpeng (author), Ganapathy, S. (author), Zhao, C. (author), Wagemaker, M. (author)All-solid-state lithium batteries have attracted widespread attention for next-generation energy storage, potentially providing enhanced safety and cycling stability. The performance of such batteries relies on solid electrolyte materials; hence many structures/phases are being investigated with increasing compositional complexity. Among the...journal article 2024
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Wang, Q. (author), Yao, Zhenpeng (author), Wang, Jianlin (author), Guo, Hao (author), Li, Chao (author), Zhou, Dong (author), Bai, Xuedong (author), Li, Hong (author), Li, Baohua (author), Wagemaker, M. (author), Zhao, C. (author)Ordered layered structures serve as essential components in lithium (Li)-ion cathodes<sup>1–3</sup>. However, on charging, the inherently delicate Li-deficient frameworks become vulnerable to lattice strain and structural and/or chemo-mechanical degradation, resulting in rapid capacity deterioration and thus short battery life<sup>2,4</sup>....journal article 2024
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Wang, C. (author), Liu, M. (author), Bannenberg, L.J. (author), Zhao, C. (author), Thijs, M.A. (author), Boshuizen, B. (author), Ganapathy, S. (author), Wagemaker, M. (author)Lithium metal with its high theoretical capacity and low negative potential is considered one of the most important candidates to raise the energy density of all-solid-state batteries. However, lithium filament growth and its induced solid electrolyte decomposition pose severe challenges to realize a long cycle life. Here, dendrite growth in...journal article 2024
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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)The original version of this article contained errors in Figure 3a and Figure 3f. In Figure 3a, the activation energies (Ea) were calculated using a log scale instead of a logarithm ln scale. In Figure 3f, the y-axis interval was not properly selected. The correct y-axis interval in Figure 3f and the numerical values of the activation energy...journal article 2023
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Wang, Zaifa (author), Wang, Zhenyu (author), Xue, Dingchuan (author), Zhao, Jun (author), Zhang, Xuedong (author), Geng, Lin (author), Li, Yanshuai (author), Du, Congcong (author), Wagemaker, M. (author)The rock-salt phase (RSP) formed on the surface of Ni-rich layered cathodes in liquid-electrolyte lithium-ion batteries is conceived to be electrochemically "dead". Here we show massive RSP forms in the interior of LiNi<sub>x</sub>Mn<sub>y</sub>Co<sub>(1−x-y)</sub>O<sub>2</sub> (NMC) crystals in sulfide based all solid state batteries (ASSBs)...journal article 2023
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Wang, Q. (author), Zhao, C. (author), Wang, Jianlin (author), Yao, Zhenpeng (author), Wang, Shuwei (author), Kumar, Sai Govind Hari (author), Ganapathy, S. (author), Eustace, S.J. (author), Wagemaker, M. (author)High-entropy alloys/compounds have large configurational entropy by introducing multiple components, showing improved functional properties that exceed those of conventional materials. However, how increasing entropy impacts the thermodynamic/kinetic properties in liquids that are ambiguous. Here we show this strategy in liquid electrolytes...journal article 2023
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Wang, Q. (author), Zhao, C. (author), Yao, Zhenpeng (author), Wang, Jianlin (author), Wu, Fangting (author), Kumar, Sai Govind Hari (author), Ganapathy, S. (author), Eustace, S.J. (author), Wagemaker, M. (author)Developing liquid electrolytes with higher kinetics and enhanced interphase stability is one of the key challenges for lithium batteries. However, the poor solubility of lithium salts in solvents sets constraints that compromises the electrolyte properties. Here, it is shown that introducing multiple salts to form a high-entropy solution,...journal article 2023
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van der Maas, E.L. (author), Zhao, W. (author), Cheng, Z. (author), Famprikis, T. (author), Thijs, M.A. (author), Parnell, S.R. (author), Ganapathy, S. (author), Wagemaker, M. (author)Li<sub>3</sub>YX<sub>6</sub>(X = Cl, Br) materials are Li-ion conductors that can be used as solid electrolytes in all solid-state batteries. Solid electrolytes ideally have high ionic conductivity and (electro)chemical compatibility with the electrodes. It was proven that introducing Br to Li<sub>3</sub>YCl<sub>6</sub>increases ionic...journal article 2022
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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), 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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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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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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Zhao, Chenglong (author), Liu, Lilu (author), Lu, Yaxiang (author), Wagemaker, M. (author), Chen, Liquan (author), Hu, Yong Sheng (author)Replacing the commonly used nonaqueous liquid electrolytes in rechargeable sodium batteries with polymer solid electrolytes is expected to provide new opportunities to develop safer batteries with higher energy densities. However, this poses challenges related to the interface between the Na-metal anode and polymer electrolytes. Driven by...journal article 2019