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Real‐time observation of the electrochemical mechanistic behavior at various scales offers new insightful information to improve the performance of lithium‐ion batteries (LIBs). As complementary to the X‐ray‐based techniques and electron microscopy‐based methodologies, neutron scattering provides additional and unique advantages in materials research, owing to the different interactions with atomic...
Current lithium‐ion battery technology is approaching the theoretical energy density limitation, which is challenged by the increasing requirements of ever‐growing energy storage market of electric vehicles, hybrid electric vehicles, and portable electronic devices. Although great progresses are made on tailoring the electrode materials from methodology to mechanism to meet the practical demands,...
Electrodes Design for Lithium Batteries
Sluggish mass transport and charge transfer dynamics are the main bottlenecks with increasing the mass loading multiple times to commercial level. Thus, in article number 2102233, Hongchao Liu, Mingzheng Ge, Yuxin Tang, and co‐workers review the state‐of‐the‐art developments on constructing commercialization‐driven high‐capacity electrodes with high mass loading,...
2D metal‐halide perovskites have attracted intense research interest due to superior long‐term stability under ambient environments. Compared to their 3D analog, the alternate arrangement of organic and inorganic layers leads to forming a multilayer quantum well (MQW), which endows 2D perovskites with anisotropic optoelectronic properties. In addition, the spacer layer functions as a hydrophobic barrier...
As one of the most efficient electrochemical energy storage devices, the energy density of lithium‐ion batteries (LIBs) has been extensively improved in the past several decades. However, with increased energy density, the safety risk of LIBs becomes higher too. The frequently occurred battery accidents worldwide remind us that safeness is a crucial requirement for LIBs, especially in environments...
Silicon anode with extremely high theoretical specific capacity (≈4200 mAh g−1), experiences huge volume changes during Li‐ion insertion and extraction, causing mechanical fracture of Si particles and the growth of a solid–electrolyte interface (SEI), which results in a rapid capacity fading of Si electrodes. Herein, a mechanically reinforced localized structure is designed for carbon‐coated Si nanoparticles...
In article number 2002094, Yuxin Tang, Yuekun Lai, Xiaodong Chen, and co‐workers report a mechanically reinforced localized structure with ultralong titania nanotubes to alleviate the mechanical strain and stabilize the solid–electrolyte interface layer for silicon‐based anode materials, delivering low electrode thickness swelling and excellent cycling performance.
Inspired by mussel‐adhesion phenomena in nature, polydopamine (PDA) coatings are a promising route to multifunctional platforms for decorating various materials. The typical self‐polymerization process of dopamine is time‐consuming and the coatings of PDA are not reusable. Herein, a reusable and time‐saving strategy for the electrochemical polymerization of dopamine (EPD) is reported. The PDA layer...
Condensate microdrop self‐propelling (CMDSP) is observed on superhydrophobic titanium‐based array architecture structure surfaces via a facile one‐step electrochemical anodization method. In article number 1600687, Y. K. Lai and co‐workers show how the microdroplets can realize the enhanced CMDSP ability, powered by excess surface energy released from the microdrops coalescence on the rationally designed...
The ability to release the adhered drops on superhydrophobic surfaces is very important for self‐cleaning, antifrosting/icing, microfluidic device, and heat transfer applications. In this paper, three types of in situ electrochemical anodizing TiO2 nanostructure films are rationally designed and fabricated on titanium substrates with special superwettability, viz., TiO2 nanotube arrays, irregular...
Bioinspired surfaces with superwettability have attracted great interest in both fundamental research and industry applications. Recent progress in superhydrophobic TiO2‐based surfaces with high contrast in solid/liquid adhesion is reviewed on page 2203 by Y. K. Lai, L. F. Chi and co‐workers. In addition, the significant applications related to super‐wetting/antiwetting surfaces with controllable...
Bioinspired surfaces with special wettability and adhesion have attracted great interest in both fundamental research and industry applications. Various kinds of special wetting surfaces have been constructed by adjusting the topographical structure and chemical composition. Here, recent progress of the artificial superhydrophobic surfaces with high contrast in solid/liquid adhesion has been reviewed,...
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