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Stabilization of lithium metal anodes using silane-based coatings
In 2007, Marchioni, et al., reported on the stability of silane-coated lithium metal in lithium-ion battery organic electrolytes [11]. The layer was generated by the self-terminating reaction between a chloride substituent on the substituted silane and a proton from the natural OH-terminated layer on a clean lithium surface.
Fumed Silica-Based Single-Ion Nanocomposite Electrolyte for Lithium Batteries …
A composite lithium electrolyte composed of polyelectrolyte-grafted nanoparticles and polyethylene glycol dimethyl ether (PEGDME) is synthesized and characterized. Polyanions immobilized by the silica nanoparticles have reduced anion mobility. Composite ...
Magnetoelectric Plasma Preparation of Silicon-Carbon …
A high-performance silicon-carbon nanocomposite facilely prepared by one-step magnetoelectric plasma pyrolysis of the mixture of methane, silane, and hydrogen is proposed for lithium-ion batteries. …
Improving the performance of soft carbon for lithium-ion batteries
Fig. 2 shows the voltage profile of soft carbon half cells with and without a silane coating. The voltage profile of the uncoated soft carbon electrode is illustrated in Fig. 2 a, which clearly demonstrates that the soft carbon can deliver a reversible capacity of about 200 mAh/g, and that the initial irreversible capacity loss (IRCL) for the uncoated …
Siloxane-based polymer electrolytes for solid-state lithium batteries
Here, the LiNi 0.5 Mn 1.5 O 4 /lithium metal battery with the introduction of 3D-cross-linked composite protective layer presented an excellent cycling stability at a voltage range of 3.5–5.0 V, indicating potential applications for …
(3-Aminopropyl)triethoxysilane as an Electrolyte Additive for Enhancing the Thermal Stability of Silicon Anode in Lithium-Ion Batteries …
Silicon (Si), which can give a high capacity, is a potential next-generation anode material for lithium-ion batteries (LIBs), though there is a growing concern over the safety of Si-based batteries with higher energy density, where the reaction between the electrolytes and the charged electrodes can cause thermal issues. In our study, we …
High-Voltage Electrolyte Chemistry for Lithium Batteries
Lithium batteries are currently the most popular and promising energy storage system, but the current lithium battery technology can no longer meet people''s demand for high energy density devices. Increasing the charge cutoff voltage of a lithium battery can greatly ...
Molecules | Free Full-Text | Recent Progress in …
Silicon (Si) has been considered to be one of the most promising anode materials for high energy density lithium−ion batteries (LIBs) due to its high theoretical capacity, low discharge platform, …
A surface-engineering-assisted method to synthesize recycled silicon-based anodes with a uniform carbon shell-protective layer for lithium …
With the assistance of silane coupling agent kh550, the RWSi particles are functionalized via surface-engineering treatment, which is conducive to form a uniform PMMA shell. A PMMA-derived uniform carbon shell …
Enhanced electrolyte performance by adopting Zwitterionic lithium-silica sulfobetaine silane as electrolyte additive for lithium-ion batteries ...
Introduction The demand for lithium-ion batteries (LIBs) has been on the rise due to the ever increasing demand for various electronic devices e.g. electric vehicles and other portable electronic devices [[1], [2], [3]]. The three main components of a …
Silane-Derived SEI Stabilization on Thin-Film Electrodes of …
The presence of silane promoted the formation of a stable organic SEI layer that should be porous, so that lithium ions can transport through the organic layer …
Stable Silicon Anode for Lithium-Ion Batteries through Covalent …
Silicon (Si) is considered to be one of the most promising anode candidates for next-generation lithium-ion batteries because of its high theoretical specific capacity and low discharge potential. However, its poor cyclability, caused by tremendous volume change during cycling, prevents commercial use of the Si anode. Herein, we demonstrate a high …
Effects of electrolyte additive on the electrochemical performance of Si/C anode for lithium-ion batteries …
Additives play critical roles on the performances of electrolytes. Vinyl tris(2-methoxyethoxy) silane (VTMS) was utilized as additive in the ethylene carbonate (EC)/ethyl methyl carbonate (EMC) electrolyte. Scanning electron microscopy (SEM) was used to examine the morphological evolution of electrodes after cycling. The morphology of the …
Silane-modified Li6.4La3Zr1.4Ta0.6O12 in thermoplastic polyurethane-based polymer electrolyte for all-solid-state lithium battery …
The ceramic/polymer composite solid electrolyte prepared by a simple physical mixing method has the problem of packing agglomeration and uneven dispersion, resulting in excessive interface impedance, obvious polarization, and severe reduction in energy density of solid-state batteries eventually. Given this defect, a silane coupling …
Enhanced electrolyte performance by adopting Zwitterionic lithium-silica sulfobetaine silane as electrolyte additive for lithium-ion batteries ...
The electrolytes with the lithium-silica sulfobetaine silane shows higher ionic conductivities (1.92 × 10 −2 S cm −1 at RT and 1.62 × 10 −3 S cm −1 at −20 C) and greater electrochemical stability (anodic limit at ~5.5 V vs. Li/ Li +) than the pure Li +).
An Epoxy‐Silane Approach to Prepare Anode Materials for Rechargeable Lithium Ion Batteries …
An Epoxy‐Silane Approach to Prepare Anode Materials for Rechargeable Lithium Ion Batteries J. S. Xue 1, K. Myrtle 1 and J. R. Dahn 1 ... A series of carbonaceous materials containing silicon and oxygen have been synthesized via pyrolysis of epoxy‐silane ...
Thermal Safety Evaluation of Silane Polymer Compounds as …
In this study, silane polymer compound (2-cyanoethyl) triethoxysilane (TCN) was selected as an electrolyte additive to improve the reversibility and thermal …
Thermal Safety Evaluation of Silane Polymer Compounds as Electrolyte Additives for Silicon-Based Anode Lithium-Ion Batteries
The capacity fading and thermal safety issues caused by the volume effect of Si-based anodes and unstable solid electrolyte interphase (SEI) films during long-term cycling limit its large-scale application. In this study, silane polymer compound (2-cyanoethyl) triethoxysilane (TCN) was selected as an electrolyte additive to improve the …
Silane-modified HMMM gel polymer electrolyte with wide electrochemical window and high flame retardance for lithium metal battery
DOI: 10.1016/j.jelechem.2024.118465 Corpus ID: 270757165 Silane-modified HMMM gel polymer electrolyte with wide electrochemical window and high flame retardance for lithium metal battery @article{Zhang2024SilanemodifiedHG, title={Silane-modified HMMM ...
Enhanced electrolyte performance by adopting Zwitterionic lithium-silica sulfobetaine silane as electrolyte additive for lithium-ion batteries ...
The lithium nickel cobalt manganese oxide/graphite cells with the lithium-silica sulfobetaine silane additive also show stable cycling performance. These findings warrant the use of lithium-silica sulfobetaine silane as …
Silane-modified HMMM gel polymer electrolyte with wide …
Highlights. A Novel Silane-modified HMMM (PCSM-GPE) is synthesized firstly and used as gel polymer electrolyte (GPE) for lithium metal battery (LMB). The …
Surface-functionalized Li1.3Al0.3Ti1.7(PO4)3 with synergetic silane …
1. Introduction Liquid lithium batteries with an energy density up to ∼260 Wh kg −1, as the state-of-the-art energy storage devices, showing a widely application on portable electronics and electric vehicles [1].However, safety …
Safety and performance enhanced boehmite-coupled polyethylene nanocomposite separator for lithium-ion batteries by synergetic effects of silane ...
1. Introduction Lithium-ion batteries (LIBs) are rechargeable power sources for various electronics, from small devices, such as smart phones and watches, to large-scale devices, including electric vehicles and …
Enhanced electrolyte performance by adopting Zwitterionic …
The electrolytes with the lithium-silica sulfobetaine silane shows higher ionic conductivities (1.92 × 10 −2 S cm −1 at RT and 1.62 × 10 −3 S cm −1 at −20 C) and …
Advancing Lithium-Ion Battery Technology: The Role of Silane in …
Schlowsky: Silane doesn''t directly find its way into batteries, but it''s a key component in crafting materials essential for battery technology, especially in lithium-ion …
Silane-modified HMMM gel polymer electrolyte with wide electrochemical window and high flame retardance for lithium metal battery …
A Novel Silane-modified HMMM (PCSM-GPE) is synthesized firstly and used as gel polymer electrolyte (GPE) for lithium metal battery (LMB).The GPE (abbr. PCSM-GPE) shows an outstanding flame-retardant property which is crucial for battery applications.The GPE demonstrates high ionic conductivity by 1.76 × 10-3 S cm −1 at …
Low-Density Fluorinated Silane Solvent Enhancing Deep Cycle Lithium–Sulfur Batteries…
The lithium metal anode (LMA) instability at deep cycle with high utilization is a crucial barrier for developing lithium (Li) metal batteries, resulting in excessive Li inventory and electrolyte demand. This issue becomes more severe in capacity-type lithium–sulfur (Li–S ...
Enhanced cycling stability of high-voltage lithium metal batteries with a trifunctional electrolyte …
Carbonate-based electrolytes have been extensively employed in commercial Li-ion batteries, but they face numerous interphasial stability challenges while supporting the high-voltage cathode chemistries and lithium metal anode, which result in electrolyte decomposition, electrode polarization, lithium dendri
Synthesis of aminoalkylsilanes with oligo (ethylene oxide) unit as multifunctional electrolyte additives for lithium-ion batteries …
The electrolyte has been considered as a key factor toward higher energy density for Li‐ion and Li‐metal batteries. However, conventional electrolytes suffer from uncontrolled interfacial reactions …
Enhanced cycling stability of high-voltage lithium …
Carbonate-based electrolytes have been extensively employed in commercial Li-ion batteries, but they face numerous interphasial stability challenges while supporting the high-voltage cathode chemistries and …
Lithium Metal Electrode with Increased Air Stability and Robust Solid Electrolyte Interphase Realized by Silane …
Li metal electrodes with silane coupling agent modification exhibit excellent electrochemical performance, even under extreme testing conditions. This modification layer with dense structure could also protect the Li metal from corrosion by air, evidenced by the comparable electrochemical activity of the modified Li metal electrodes even after being …
Lithium Metal Electrode with Increased Air Stability and Robust …
Li metal electrodes with silane coupling agent modification exhibit excellent electrochemical performance, even under extreme testing conditions. This modification …
Advancing Lithium-Ion Battery Technology: The Role of Silane in …
Schlowsky: Silane doesn''t directly find its way into batteries, but it''s a key component in crafting materials essential for battery technology, especially in lithium-ion batteries.