Novel silane compounds as electrolyte solvents for Li-ion batteries
In our efforts to develop novel silicon-containing electrolytes for lithium-ion batteries, we discovered that PEO-containing silane compounds such as {2-[2-(2-methoxyethoxy)ethoxy]ethoxy} trimethylsilane, bis {2-[2-(2-methoxyethoxy)ethoxy]ethoxy}
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Prelithiated Carbon Nanotube‐Embedded Silicon‐based Negative
Prelithiation conducted on MWCNTs and Super P-containing Si negative electrode-based full-cells has proven to be highly effective method in improving key battery
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Advancing Lithium-Ion Battery Technology: The Role of
Silicon nanoparticles, crucial for battery anodes, need silane to come to life. Converting the silane gas into silicon filaments inside graphite particles (also called nanowires because...
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Insights into the Structure–Property–Function Relationships of
As a highly promising electrode material for future batteries, silicon (Si) is considered an alternative anode, which has garnered significant attention due to its exceptional theoretical gravimetric capacity, low working potential, and abundant natural resources. Nonetheless, the real-world usage of silicon anodes is hampered by huge challenges such as
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The challenge of studying interfaces in battery materials
6 天之前· The lack of standardization in the protocols used to assess the physicochemical properties of the battery electrode surface layer has led to data dispersion and biased
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Novel silane-treated polyacrylonitrile as a promising negative
The effect of the PAN and Si-PAN based binders on the electrochemical performance of Si–Ni–Cu alloy as an active material of negative electrode was examined with 2016 type coin cell by using Li metal foil as a counter/reference electrode and polyethylene as a microporous separator (W-scope Korea). As synthesized polymer binders were entirely
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Novel silane-treated polyacrylonitrile as a promising negative
Herein, we synthesized a novel silane-treated polyacrylonitrile (Si-PAN) as an anode binder using facile azide-nitrile click reaction. Incorporation of silane to the cyclized-PAN structure enhances affinity between the electrode components and a current collector because it has organic and inorganic moiety simultaneously in polymeric backbone.
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High-cycle silicon-based negative electrode material and
The invention discloses a high-cycle silicon-based negative electrode material and a preparation method and application thereof, wherein the preparation method comprises the following steps: the high-cycle silicon-based negative electrode material is prepared by a thermal plasma method or a silane chemical vapor deposition method, the porous nitride is used as a framework, and
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Materials of Tin-Based Negative Electrode of Lithium-Ion Battery
Abstract Among high-capacity materials for the negative electrode of a lithium-ion battery, Sn stands out due to a high theoretical specific capacity of 994 mA h/g and the presence of a low-potential discharge plateau. However, a significant increase in volume during the intercalation of lithium into tin leads to degradation and a serious decrease in capacity. An
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Nano-sized transition-metal oxides as negative
Nature - Nano-sized transition-metal oxides as negative-electrode materials for lithium-ion batteries Your privacy, your choice We use essential cookies to make sure the site can function.
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Improving the Performance of Silicon-Based Negative Electrodes
In all-solid-state batteries (ASSBs), silicon-based negative electrodes have the advantages of high theoretical specific capacity, low lithiation potential, and lower susceptibility
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Novel silane compounds as electrolyte solvents for Li-ion batteries
In our efforts to develop novel silicon-containing electrolytes for lithium-ion batteries, we discovered that PEO-containing silane compounds such as {2-[2-(2-methoxyethoxy)ethoxy]ethoxy} trimethylsilane, bis {2-[2-(2-methoxyethoxy)ethoxy]ethoxy} dimethylsilane, {3-[2-(2-(2-methoxyethoxy)ethoxy)ethoxy]-propyl} trimethylsilane, and
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Conductive Stretchable Binders for EV Battery Electrodes
This binder forms a three-dimensional network in the negative electrode coating that entangles the active material and conductive agent powders. It has micro-porous microstructure and compression elasticity to adaptively follow the volume changes of the negative electrode active material during charging/discharging. This keeps the battery poles
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Lead-Carbon Battery Negative Electrodes: Mechanism and Materials
Lead carbon battery, prepared by adding carbon material to the negative electrode of lead acid battery, inhibits the sulfation problem of the negative electrode effectively, which makes the
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Electrolytic silicon/graphite composite from SiO2/graphite porous
Nano-silicon (nano-Si) and its composites have been regarded as the most promising negative electrode materials for producing the next-generation Li-ion batteries (LIBs), due to their ultrahigh theoretical capacity. However, the commercial applications of nano Si-based negative electrode materials are constrained by the low cycling stability and high costs. The
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Surface-Coating Strategies of Si-Negative Electrode
Silicon (Si) is recognized as a promising candidate for next-generation lithium-ion batteries (LIBs) owing to its high theoretical specific capacity (~4200 mAh g −1), low working potential (<0.4 V vs. Li/Li +), and
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Insights into the Structure–Property–Function Relationships of
As a highly promising electrode material for future batteries, silicon (Si) is considered an alternative anode, which has garnered significant attention due to its
Get a quote
CN108172791B
The lithium pre-intercalation of the cathode material is an important means for improving the performance of the lithium ion battery. Currently, lithium pre-intercalation of a negative electrode material generally uses lithium metal as a lithium source, uses metal foil with through holes as a current collector, places the lithium metal at a position opposite to a negative electrode, and
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Electrochemical Synthesis of Multidimensional Nanostructured
Silicon (Si) is a promising negative electrode material for lithium-ion batteries (LIBs), but the poor cycling stability hinders their practical application. Developing favorable Si nanomaterials is expected to improve their cyclability. Herein, a controllable and facile electrolysis route to prepare Si nanotubes (SNTs), Si nanowires (SNWs
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Novel silane-treated polyacrylonitrile as a promising negative
With the rapid increment of the electric vehicle market, silicon has attracted tremendous attention as a promising anode material for lithium-ion batteries (LIB) due to its tenfold higher gravimetrical energy density compared with a traditional graphite anode. To eliminate the well-known poor cycle life issue originated from the large volume expansion of
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Advanced Polymer Electrolytes in Solid-State Batteries
3 天之前· Solid-state batteries (SSBs) have been recognized as promising energy storage devices for the future due to their high energy densities and much-improved safety compared
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Advancing Lithium-Ion Battery Technology: The Role of Silane in
Silicon nanoparticles, crucial for battery anodes, need silane to come to life. Converting the silane gas into silicon filaments inside graphite particles (also called nanowires because...
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A critical review of silicon nanowire electrodes and their energy
In this context, Si has attracted a lot of attention as a negative electrode material, because of its high theoretical capacity (4200 mA h g −1), which is about 10 times higher than graphite (372 mA h g −1). 2 However, Si suffers from a large volumetric expansion (∼300%) during lithiation, which leads to electrode cracking and fragmentation. 3 This has been a major technical barrier in
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Advanced Polymer Electrolytes in Solid-State Batteries
3 天之前· Solid-state batteries (SSBs) have been recognized as promising energy storage devices for the future due to their high energy densities and much-improved safety compared with conventional lithium-ion batteries (LIBs), whose shortcomings are widely troubled by serious safety concerns such as flammability, leakage, and chemical instability originating from liquid
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Improving the Performance of Silicon-Based Negative Electrodes
In all-solid-state batteries (ASSBs), silicon-based negative electrodes have the advantages of high theoretical specific capacity, low lithiation potential, and lower susceptibility to lithium dendrites. However, their significant volume
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Prelithiated Carbon Nanotube‐Embedded Silicon‐based Negative Electrodes
Prelithiation conducted on MWCNTs and Super P-containing Si negative electrode-based full-cells has proven to be highly effective method in improving key battery performance indicators including long-term cycling, power output and CE, with more notable positive impact being on MWCNTs-Si/Gr negative electrode-based full-cell compared to its
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Novel silane-treated polyacrylonitrile as a promising negative
Herein, we synthesized a novel silane-treated polyacrylonitrile (Si-PAN) as an anode binder using facile azide-nitrile click reaction. Incorporation of silane to the cyclized
Get a quote
Surface-Coating Strategies of Si-Negative Electrode Materials in
Silicon (Si) is recognized as a promising candidate for next-generation lithium-ion batteries (LIBs) owing to its high theoretical specific capacity (~4200 mAh g −1), low working potential (<0.4 V vs. Li/Li +), and abundant reserves.
Get a quote6 FAQs about [Battery negative electrode material silane]
Can a silicon-based negative electrode be used in all-solid-state batteries?
Improving the Performance of Silicon-Based Negative Electrodes in All-Solid-State Batteries by In Situ Coating with Lithium Polyacrylate Polymers In all-solid-state batteries (ASSBs), silicon-based negative electrodes have the advantages of high theoretical specific capacity, low lithiation potential, and lower susceptibility to lithium dendrites.
Is silicon a good negative electrode material for lithium ion batteries?
Silicon (Si) is a promising negative electrode material for lithium-ion batteries (LIBs), but the poor cycling stability hinders their practical application. Developing favorable Si nanomaterials i...
Which silane molecule has a better voltage stability?
The results suggest that the silane molecules in which the PEO attached is to the silicon through a Si–O bond (as in silanes 1 and 2) have a slightly superior voltage stability to those silane molecules in which the PEO is attached to the silicon through a Si–C bond (as in silanes 3 and 4, see Fig. 1 ).
Are silane-based compounds a viable alternative electrolyte solvent for lithium-ion batteries?
Silane-based compounds, therefore, have the potential to become alternative electrolyte solvents in lithium-ion batteries for transportation, medical, or consumer electronics applications.
How stable is a silane based electrolyte?
The electrochemical stability of silane-based electrolytes was investigated using cyclic voltammetry over a 0–6 V range. A CV plot of the 0.8 M LiBOB/silane 1 electrolyte ( Fig. 3) shows that the electrolyte is stable up to 4.4 V vs. Li/Li +.
Are silane based electrolytes safe for lithium ion cells?
These silane-based electrolytes have good ionic conductivities, exhibit excellent safety features and show excellent electrochemical and chemical properties in lithium-ion cells with high voltage cathodes and graphite anodes. Fig. 1. Schematic synthesis procedures for PEO-silane solvent compounds, 1, 2, 3 and 4. 2. Experimental
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