Searched for: subject%3A%22batteries%22
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Wagemaker, M. (author)
doctoral thesis 2003
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Borghols, W.J.H. (author), Wagemaker, M. (author), Lafont, U. (author), Kelder, E.M. (author), Mulder, F.M. (author)
journal article 2009
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Ganapathy, S. (author), Basak, S. (author), Lefering, A. (author), Rogers, E. (author), Zandbergen, H.W. (author), Wagemaker, M. (author)
Chemisorbed water and solvent molecules and their reactivity with components from the electrolyte in high-surface nano-structured electrodes remains a contributing factor toward capacity diminishment on cycling in lithium ion batteries due to the limit in maximum annealing temperature. Here, we report a marked improvement in the capacity...
journal article 2014
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Cunha, Daniel M. (author), Hendriks, Theodoor A. (author), Vasileiadis, A. (author), Vos, Chris M. (author), Verhallen, T.W. (author), Singh, Deepak P. (author), Wagemaker, M. (author), Huijben, Mark (author)
Despite the lower gravimetric capacity, Li <sub>4</sub> Ti <sub>5</sub> O <sub>12</sub> is an important alternative to graphite anodes, owing to its excellent high temperature stability, high rate capability, and negligible volume change. Although surfaces with lithium compositions exceeding Li <sub>7</sub> Ti <sub>5</sub> O <sub>12</sub>...
journal article 2019
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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
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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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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, 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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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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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 &lt; 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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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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Ganapathy, S. (author), Vasileiadis, A. (author), Heringa, J.R. (author), Wagemaker, M. (author)
Phase transitions play a crucial role in Li-ion battery electrodes being decisive for both the power density and cycle life. The kinetic properties of phase transitions are relatively unexplored and the nature of the phase transition in defective spinel Li<sub>4+</sub> <sub>x</sub>Ti<sub>5</sub>O<sub>12</sub> introduces a controversy as the...
journal article 2017
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Liu, Zhao (author), Verhallen, T.W. (author), Singh, D.P. (author), Wang, Hongqian (author), Wagemaker, M. (author), Barnett, Scott (author)
One of the main goals in lithium ion battery electrode design is to increase the power density. This requires insight in the relation between the complex heterogeneous microstructure existing of active material, conductive additive and electrolyte providing the required electronic and Li-ion transport. FIB-SEM is used to determine the three...
journal article 2016
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Vasileiadis, A. (author), Li, Yuqi (author), Lu, Yaxiang (author), Hu, Yong Sheng (author), Wagemaker, M. (author)
There are several questions and controversies regarding the Na storage mechanism in hard carbon. This springs from the difficulty of probing the vast diversity of possible configurational environments for Na storage, including surface and defect sites, edges, pores, and intercalation morphologies. In the effort to explain the observed voltage...
journal article 2023
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Tang, Linkai (author), He, Yan Bing (author), Wang, Chao (author), Wang, Shuan (author), Wagemaker, M. (author), Li, Baohua (author), Yang, Quan Hong (author), Kang, Feiyu (author)
Nanosized Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub> (LTO) materials enabling high rate performance suffer from a large specific surface area and low tap density lowering the cycle life and practical energy density. Microsized LTO materials have high density which generally compromises their rate capability. Aiming at combining the favorable...
journal article 2017
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Qian, Kun (author), Tang, Linkai (author), Wagemaker, M. (author), He, Yan Bing (author), Liu, Dongqing (author), Li, Hai (author), Shi, Ruiying (author), Li, Baohua (author), Kang, Feiyu (author)
Through a facile sodium sulfide (Na<sub>2</sub>S)-assisted hydrothermal treatment, clean and nondefective surfaces are constructed on micrometer-sized Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub> particles. The remarkable improvement of surface quality shows a higher first cycle Coulombic efficiency (≈95%), a significantly enhanced cycling...
journal article 2017
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Yu, C. (author), Ganapathy, S. (author), van Eck, Ernst R H (author), Wang, H.. (author), Basak, S. (author), Li, Z. (author), Wagemaker, M. (author)
Solid-state batteries potentially offer increased lithium-ion battery energy density and safety as required for large-scale production of electrical vehicles. One of the key challenges toward high-performance solid-state batteries is the large impedance posed by the electrode-electrolyte interface. However, direct assessment of the lithium...
journal article 2017
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Verhallen, T.W. (author), Lv, Shasha (author), Wagemaker, M. (author)
Neutron Depth Profiling (NDP) allows determination of the spatial distribution of specific isotopes, via neutron capture reactions. In a capture reaction charged particles with fixed kinetic energy are formed, where their energy loss through the material of interest can be used to provide the depth of the original isotope. As lithium-6 has a...
journal article 2018
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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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