Related references
Note: Only part of the references are listed.
Article
Chemistry, Multidisciplinary
Sanghyuk Gong et al.
Summary: An in situ method for synthesizing carbon-containing mesoporous SiOx nanoparticles wrapped in another carbon layers is developed to overcome the limitations of SiOx as anode material for lithium-ion batteries. The resulting mesoporous SiOx-based nanocomposite anodes exhibit superior cycling stability and rate capability, showing characteristic synergetic effects. The full cell employing the prelithiated anode demonstrates significantly higher Coulombic efficiency and discharge capacity compared to the full cell with a pristine anode.
Article
Chemistry, Physical
Hongbin Liu et al.
Summary: With the increasing applications of new energy and power systems, lithium-ion batteries are expected to play a more important role in the future. High specific energy batteries, especially those with silicon-based anodes, are considered as a solution to range anxiety in the electric vehicle industry. The industrial application of silicon-based anode lithium-ion batteries is expected to enter a golden period in the next few years, with a shift towards solid-state electrolytes. This article systematically surveys the challenges and solutions of silicon-based anodes and provides prospects and suggestions for industrialization and further research.
ENERGY STORAGE MATERIALS
(2023)
Article
Chemistry, Physical
Stephan Muessig et al.
Summary: Spray-drying and ALD can be combined to design the functionality of future materials freely, by assembling nanoparticles into supraparticles and modifying their properties with ALD. The method allows for customization of materials and adjustment of surface functionalities to enhance their properties.
Article
Nanoscience & Nanotechnology
Qing Sun et al.
Summary: SiOx-based anode materials are promising for high capacity and acceptable volume change, but suffer from low Coulombic efficiency. This work proposes a strategy of high-temperature initial charge and overcapacity prelithiation to improve the Coulombic efficiency and capacity retention of SiOx-based batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Jianqiang Guo et al.
Summary: This study investigates the fading of graphite anode at low temperature from the perspective of Li+ storage mechanism. It is found that the amorphous hard carbon (HC) electrode exhibits higher lithiation capacity than graphite and mesocarbon microbead (MCMB) electrodes at -20 degrees C, primarily due to the surface-induced capacitive storage mechanism. This work highlights the potential of utilizing surface-induced capacitive storage mechanism to improve low temperature electrochemical performance.
Article
Chemistry, Multidisciplinary
Xu Liu et al.
Summary: This study reports the fabrication of sulfide-rich solid electrolyte interface (SEI) layer on the SiO/C anode surface to improve the reversible Li-storage performance at low temperature. The new modification layer is composed of inorganic-organic hybrid components, and the results show a uniform distribution of different substances in different layers. Coupled with the cathode, the modified layer achieved a capacity retention of 73% at -20 degrees C, and it was found that this layer promotes desolvation of Li+ and inhibits dendrite growth.
Article
Chemistry, Multidisciplinary
Dong Jae Chung et al.
Summary: The topological optimization of prelithiated SiO materials was shown to effectively improve both the initial coulombic efficiency (ICE) and capacity retention. By using laser-assisted atom probe tomography and other techniques, two exothermic reactions related to microstructural evolution were identified as key factors in optimizing the domain size and topological arrangements of the Si active phase and Li2SiO3 buffer phase in prelithiated SiO materials. The optimized prelithiated SiO, heat-treated at 650 degrees C, demonstrated higher capacity retention and lower thickness changes after 300 cycles, along with high ICE and reversible capacity.
Article
Multidisciplinary Sciences
Rui Zhang et al.
Summary: By using a new compositionally complex doping strategy, researchers have successfully fabricated a high-Ni, zero-Co layered cathode with extremely high thermal and cycling stability. The cathode exhibits nearly zero volumetric change, greatly reducing lattice defects and local strain-induced cracks. This study is of great significance for addressing the safety and stability concerns of high-Ni, zero-Co cathode materials.
Article
Chemistry, Multidisciplinary
Bharathi Konkena et al.
Summary: In this study, the growth of α-Fe2O3 nano-flowers at an electrified liquid-liquid interface is demonstrated. The flowers are converted into quasi-2D platelets using sonication, which can be combined with carbon nanotubes to form porous, conductive composites for lithium-ion battery electrodes. By using an extended activation process, the morphology of these composites can be significantly changed, resulting in anodes with very good cycling stability and low-rate capacities exceeding 2000 mAh g(-1), competitive with the best anode materials in literature.
Article
Chemistry, Physical
Xin Wan et al.
Summary: The study developed a self-healing binder with a multilevel buffered structure to address structural damage and performance degradation issues caused by volume deformation in silicon anodes. By utilizing a coexistence strategy of dynamic supramolecular interactions and rigid covalent bonds, the binder successfully achieved dynamic reconstruction of the electrode structure, leading to improved cycling stability and capacity retention in silicon electrodes.
ACS ENERGY LETTERS
(2022)
Article
Energy & Fuels
Jing Li et al.
Summary: In this study, potassium ions were introduced to promote the crystalline transition in silicon monoxide, leading to improved cycling stability and initial Coulombic efficiency. Additionally, increasing the heating temperature was found to enhance the performance of the silicon monoxide anode.
Editorial Material
Energy & Fuels
Yi Cui
Article
Electrochemistry
Hiroyuki Fujimoto et al.
Summary: Since the commercialization of rechargeable Li ion batteries in the early 1990s, the performance of these devices has continually improved. The present work examined the reaction mechanisms at graphite negative electrodes based on operando synchrotron X-ray diffraction analyses during charge/discharge, showing a series of superlattices formed depending on the amount of Li intercalated into the graphite.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Multidisciplinary Sciences
Junhyuk Moon et al.
Summary: The study reveals the degradation mechanisms in silicon-graphite anodes, and demonstrates improved cycling performance and reduced Li+ accumulation by adjusting active material properties and designing electrodes. The authors have successfully tailored a prismatic cell with enhanced volumetric energy density and cycle stability by addressing these issues.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Darren H. S. Tan et al.
Summary: The research successfully achieved stable operation of silicon anodes by using the interface passivating properties of sulfide solid electrolytes. Analysis showed that this approach eliminates continuous interfacial growth and irreversible lithium losses. The promising performance of microsilicon full cells can be attributed to the ideal interface properties between microsilicon and sulfide electrolytes and the unique chemomechanical behavior of the lithium-silicon alloy.
Review
Electrochemistry
Aoming Huang et al.
Summary: Silicon shows promise as an anode material for lithium-ion batteries, but challenges like volume variation and low conductivity still need to be addressed. Designing micro-nano structures and composites of heterogeneous materials are effective strategies. Electrospinning technology can help construct unique structures to solve issues with Si-based anodes.
Review
Chemistry, Multidisciplinary
Sujong Chae et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Electrochemistry
Jianguang Guo et al.
ELECTROCHIMICA ACTA
(2020)
Article
Chemistry, Physical
Xuewei Zhao et al.
Article
Chemistry, Physical
Ge Li et al.
Article
Chemistry, Physical
Yang-kyu Park et al.
ACS APPLIED ENERGY MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Keitaro Kitada et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2019)
Article
Chemistry, Physical
Koffi P. C. Yao et al.
ADVANCED ENERGY MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Seoung-Bum Son et al.
Article
Chemistry, Multidisciplinary
Seung Jong Lee et al.
Article
Chemistry, Multidisciplinary
Liurong Shi et al.
Article
Energy & Fuels
Ying Lu et al.
Article
Electrochemistry
Wei-Ren Liu et al.
JOURNAL OF APPLIED ELECTROCHEMISTRY
(2009)
Review
Polymer Science
M. S. A. Rahaman et al.
POLYMER DEGRADATION AND STABILITY
(2007)
