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Efficient storage mechanisms and heterogeneous structures for …
Heterogeneous structure of battery graphene (adapted and modified from [55], [56], [60], [61]), (a) graphene nanostructures, (b) heterogeneous structure of …
Li+ Transport Mechanism at the Heterogeneous Cathode/Solid Electrolyte Interface in an All-Solid-State Battery via the First-Principles Structure ...
High interfacial resistance between a cathode and solid electrolyte (SE) has been a long-standing problem for all-solid-state batteries (ASSBs). Though thermodynamic approaches suggested possible phase transformations at the interfaces, direct analyses of the ionic and electronic states at the solid/solid interfaces are still …
Electrochemical reactions coupled multiphysics modeling for lithium ion battery with non-heterogeneous micro-scale electrodes structures
Request PDF | Electrochemical reactions coupled multiphysics modeling for lithium ion battery with non-heterogeneous micro-scale electrodes structures | During high-rate discharging process of ...
REVIEW Recent advances in porous carbons for electrochemical …
Porous carbons with diverse structures, abundant surface-active sites, and controllable pore sizes have been used in a large number of researches of Li-O2 battery cathode materials. For example, graphene with a 2 …
Phase reconfiguration of heterogeneous CoFeS/CoNiS nanoparticles for superior battery …
In-situ dynamic reconstruction strategy is developed to construct a heterogeneous FeS@NiS hybrid by cationic Co doping via surface-structure engineering, where the CoFeS@CoNiS is quickly reconstructed to Ni(Co)Fe 2 O 4 and further reconstituted to Ni/Co/FeOOH during the charging/discharging process, which could supply abundant …
Metal sulfide heterojunction with tunable interfacial electronic …
The CuCo2S4/CoS1.097-based Li-O2 batteries exhibited a high specific capacity of 26,727.8 mAh g−1 and an outstanding durability of over 267 cycles at 100 mA …
Core–shell nano/microstructures for heterogeneous tandem catalysis
Tandem catalysis, featuring the transformation of reactants into target products through two or more steps of catalytic reactions in one single reactor, has become a growing research field, due to its advantages of economic benefit and environmental protection. Heterogeneous tandem catalysts have an advantag
Constructing Heterogeneous Structure in Metal–Organic …
Lithium–sulfur batteries (LSBs) are still severely blocked by the shuttle of polysulfides (LiPSs), resulting in low sulfur utilization and decreased lifetime. The optimal design of hosts with tailored porous structures and catalytic sites is expected to address this issue. Herein, a Bi/Bi2O3 heterostructure within the metal–organic framework (MOF) …
Physics based modelling of porous lithium ion battery …
Applying this correlation to heterogeneous structures (e.g. battery electrodes) is invalid [16] and more complex approaches are required to sufficiently characterise the transport properties of the material and its resulting tortuosity factor [15].
Heterogeneous Reaction Activities and Statistical Characteristics of Particle Cracking in Battery …
The chemomechanical breakdown of electrodes can interrupt the stable operation of batteries. Particle cracking can take place in nearly all electrode materials. In addition to the microstructural evolution of the active electrode, particle cracking can cause complex reactions with the electrolyte and instigate a rapid performance degradation. …
Scalable synthesis of a dual-confined SiO/one-dimensional carbon/amorphous carbon anode based on heterogeneous carbon structure evolution ...
The modification of dual carbon-confined structures formed by one-dimensional carbon (1D-C) and amorphous carbon (a-C) exhibits great potential for improving the cycling stability of SiO anodes. To prepare the ideal dual confined structure through a continuous in situ deposition process, we have revealed the evolution law of the heterogeneous carbon …
High-power Mg batteries enabled by heterogeneous enolization redox chemistry and weakly coordinating electrolytes | Nature …
Magnesium batteries have long been pursued as potentially low-cost, high-energy and safe alternatives to Li-ion batteries. However, Mg2+ interacts strongly with electrolyte solutions and cathode ...
Three-dimensional reconstruction and computational analysis of a structural battery …
Three-dimensional reconstructions 3D models of the SBE are reconstructed as illustrated in Fig. 1a.High-resolution micrographs of the SBE were first obtained from FIB-SEM as illustrated in Fig. 1b
Towards understanding the structure–property relationships of heterogeneous-structured materials …
The formation of heterogeneous grain structures is associated with the low stacking fault energy of the alloy. During plastic deformation, many corner twins evolved into nanosized grains at triple junctions of the ultrafine grains [26], which made the grain structure more heterogeneous.
Heterogeneous Lithium-Ion Battery
The modeling approach for heterogeneous models differs from typical battery models, such as the Newman model. In homogeneous models, averaged properties such as volume fractions, specific surface area, and effective transport properties are used to describe the porous structure.
Two-Dimensional Material-Based Heterostructures for …
Recently, 2D-based heterostructures have been investigated as functional separators in rechargeable ion batteries, such as LIBs and Li-S batteries, in which functional separators are required to …
Extended Electrochemical Window of Solid …
A heterogeneous multilayered structure that expands the electrochemical window of solid electrolytes is designed. The oxidation-resistant poly(acrylonitrile) (PAN) and reduction-tolerant polyethylene...
A dielectric electrolyte composite with high lithium-ion conductivity for high-voltage solid-state lithium metal batteries …
A dielectric electrolyte composite with high lithium-ion ...
Multiphysics modelling of structural battery composites
Two types of structural battery composite architectures are reported in the literature (see Fig. 2): laminated structural battery [3, 14, 24, 39] and 3D micro-battery [3, 14, 18, 23]. In these configurations, carbon fibres can be used as negative electrodes and current collectors, while a solid electrolyte is used to enhance mechanical properties and …
A Two-Dimensional Heterogeneous Model of Lithium-Ion Battery …
In this work, a two-dimensional heterogeneous model of lithium-ion battery electrode is developed. The electrode is reconstructed using a non-volume-averaging approach, generating a heterogeneous structure in which solid and liquid phase are characterized separately with respective real spatial occupation and boundaries …
Recent advances of two-dimensional materials-based …
Functional applications in rechargeable batteries. Recently, heterostructures derived from 2D materials have been widely investigated for …
Guiding the Design of Heterogeneous Electrode Microstructures …
Electrochemical and mechanical properties of lithium-ion battery materials are heavily dependent on their 3D microstructure characteristics. A quantitative …
Constructing Heterogeneous Structure in Metal–Organic …
Lithium–sulfur batteries (LSBs) are still severely blocked by the shuttle of polysulfides (LiPSs), resulting in low sulfur utilization and decreased lifetime. The optimal design of hosts with tailored porous structures and catalytic sites is expected to address this issue.
Hydrothermal-template synthesis and electrochemical properties of Co3O4/nitrogen-doped hemisphere-porous graphene composites with 3D heterogeneous ...
Despite the high capacity of Co 3 O 4 employed in lithium-ion battery anodes, the reduced conductivity and grievous volume change of Co 3 O 4 during long cycling of insertion/extraction of lithium-ions remain a challenge. Herein, an optimized nanocomposite, Co 3 O 4 /nitrogen-doped hemisphere-porous graphene composite (Co 3 O 4 /N-HPGC), …
Structural analysis and experimental characterization of cylindrical lithium-ion battery …
It is a three-dimensional heterogeneous cylindrical structure that exhibits anisotropic behavior in axial and transverse directions. This anisotropy can be attributed to the laminated nature of the jellyroll as well as to the fact that the layers in the laminate are not bonded.
Lotus Leaf Derived NiS/Carbon Nanofibers/Porous Carbon Heterogeneous Structures …
Lotus Leaf Derived NiS/Carbon Nanofibers/Porous Carbon Heterogeneous Structures for Strong and Broadband Microwave Absorption Haotian Jiang, Haotian Jiang Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of ...
Dual heterogeneous structures lead to ultrahigh strength and uniform ductility …
Dual heterogeneous structures lead to ultrahigh strength ...
Structural analysis and experimental characterization of cylindrical lithium-ion battery …
In this study, we have investigated commercially available 6P cylindrical lithium-ion battery cells (3.6 V/6.8 Ah, NCA/Graphite, 140 × 40 mm) manufactured by Johnson Controls, Inc. (Milwaukee, WI), which consisted of four major mechanical components (see Fig. 1): (1) a roll of active battery materials (anode-, cathode- and …
Interfacial engineering in amorphous/crystalline heterogeneous nanostructures as a highly effective battery …
Hybrid supercapacitors (HSCs) as a novel electronic device for electrical energy storage have attractive prospects due to their high specific power and fast charge/discharge rates. However, the low gravimetric energy density, sluggish frequency reply, and relatively low voltage range of HSCs limit their prac
Homogeneous and mechanically stable solid–electrolyte …
The solid–electrolyte interphase (SEI) in lithium (Li) metal batteries is often heterogeneous, containing a diverse range of species and has poor mechanical stability.
Heterogeneous Ni–Co phosphide/phosphate with a specific hollow sea-urchin-like structure …
Herein, heterogeneous Ni–Co phosphide/phosphate with a specific hollow sea-urchin-like structure has been synthesized as advanced electroactive materials for both hybrid supercapacitor (HSC) and alkaline zinc-metal battery (AZB) applications.