This has led to growing interest in sodium-ion batteries (SIBs) and potassium-ion batteries (PIBs) as viable alternatives to LIBs. Batteries based on these alkali metals (Li, Na,
Customer ServiceWe report an atomic-level study on the applicability of a Si anode in Na ion batteries using ab initio molecular dynamics simulations. While crystalline Si is not suitable for alloying with Na atoms, amorphous Si can accommodate 0.76 Na atoms per Si atom, corresponding to a specific capacity of 725 mA h g –1.
Customer ServiceRechargeable sodium-ion batteries (SIBs) have been considered as promising energy storage devices owing to the similar "rocking chair" working mechanism as lithium-ion batteries and abundant and low-cost sodium resource. However, the large ionic radius of the Na-ion (1.07 Å) brings a key scientific challenge, restricting the development of electrode
Customer ServiceSilicon dioxide (SiO2 or Silica) is one of the most prevalent substances in the crust of the Earth. The main varieties of crystalline silica are quartz, cristobalite, and tridymite. When applied as a material for energy, it is affordable and eco-friendly. The SiO2 is considered as electrochemically inactive toward lithium. The SiO2 exhibits low activity for diffusion and
Customer ServiceWhen used as a sodium ion battery anode, the PPHC-1100 demonstrated a reversible capacity of up to 330 mAh g−1, maintaining 174 mAh g−1 at an increased current rate of 1 C. After 200 cycles at 0.5 C, the capacity delivered by PPHC-1100 was 175 mAh g−1. The electrochemical behavior of PPHC electrodes was investigated, revealing that the PPHC-1100
Customer ServiceWe show that Na x Si 24 forms a solid solution with minimal volume changes. Yet sodium diffusion is predicted to be insufficiently fast for facile kinetics of Na-ion intake. Considering these...
Customer ServiceWhile nanostructural engineering holds promise for improving the stability of high-capacity silicon (Si) anodes in lithium-ion batteries (LIBs), challenges like complex synthesis and the high cost of nano-Si impede its commercial application. In this study, we present a local reduction technique to synthesize micron-scale monolithic layered Si (10–20 μm) with a high
Customer ServiceThe successful utilization of silicon nanoparticles (Si-NPs) to enhance the performance of Li-ion batteries (LIBs) has demonstrated their potential as high-capacity anode materials for next-generation LIBs. Additionally, the availability and relatively low cost of sodium resources have a significant influence on developing Na-ion batteries
Customer ServiceSilicon (Si) was initially considered a promising alternative anode material for the next generation of lithium-ion batteries (LIBs) due to its abundance, non-toxic nature, relatively low operational potential, and superior specific capacity compared to the commercial graphite anode. Regrettably, silicon has not been widely adopted in practical applications due to its low
Customer ServiceUnfortunately, the high theoretical capacity (4200 mA h g-1) of silicon by (de-)alloy mechanism is limited by its severe volume changes (ΔV ~ 200% - 400%) during cycling for lithium-ion batteries
Customer Service4 天之前· Interfacial reactivity benchmarking of the sodium ion conductors Na 3 PS 4 and sodium β-alumina for protected sodium metal anodes and sodium all-solid-state batteries ACS Appl. Mater. Interfaces, 8 ( 2016 ), pp. 28216 - 28224, 10.1021/acsami.6b10119
Customer ServiceSilicon has been intensively studied as a Li-ion battery (LIB) anode material because of its high theoretical storage capacity of ~3600 mAh/g1,2. It also has one of the highest theoretical
Customer Service3 天之前· As a promising energy storage system, sodium-ion batteries (SIBs) have attracted much attention because of the abundant resource of sodium and its relatively low cost.
Customer ServiceForming a solid-state solution of crystalline silicon under electrochemical conditions is one of the best strategies to preserve the morphology of the anode during cycling. Indeed, lithium has been inserted electrochemically into crystalline silicon, with Li
Customer Service3 天之前· As a promising energy storage system, sodium-ion batteries (SIBs) have attracted much attention because of the abundant resource of sodium and its relatively low cost. However, the low initial Coulombic efficiency and sodium deficiency (continuous sodium-ion loss or sodium-deficient cathodes) of SIBs result in a lo Journal of Materials Chemistry A Recent Review Articles
Customer ServiceBy combining silicon and antimony, either by cosputtering or depositing multilayers with bilayer thickness down to 2 nm, we can achieve capacities exceeding even the theoretical capacity of Sb (660 mAh/g).
Customer ServiceThe development of advanced energy storage technologies is of significance in realizing large-scale utilization of sustainable energy, especially with the recent rising concerns about supply issues of fossil fuels and their environmental problems. 1-4 Different from lithium-ion batteries (LIBs) that need unevenly distributed lithium resources, sodium-ion batteries (SIBs)
Customer ServiceForming a solid-state solution of crystalline silicon under electrochemical conditions is one of the best strategies to preserve the morphology of the anode during cycling. Indeed, lithium has
Customer ServiceBy combining silicon and antimony, either by cosputtering or depositing multilayers with bilayer thickness down to 2 nm, we can achieve capacities exceeding even the theoretical capacity of Sb (660 mAh/g).
Customer ServiceWe report an atomic-level study on the applicability of a Si anode in Na ion batteries using ab initio molecular dynamics simulations. While crystalline Si is not suitable for alloying with Na atoms, amorphous Si can accommodate 0.76 Na
Customer ServiceOxide-based materials have also been developed as well, as anodes in sodium-ion batteries, such as (NTP), NaTi 2 (PO 4) 3, Na 2 Ti 3 O 7 and its composites with carbon, which have been studied by several researchers [29, 39].The three-dimensional structure of NTP, which creates an open framework of large interstitial spaces modified with NMNCO, with rate
Customer Service4 天之前· Interfacial reactivity benchmarking of the sodium ion conductors Na 3 PS 4 and sodium β-alumina for protected sodium metal anodes and sodium all-solid-state batteries ACS Appl.
Customer ServiceWe show that Na x Si 24 forms a solid solution with minimal volume changes. Yet sodium diffusion is predicted to be insufficiently fast for facile kinetics of Na-ion intake. Considering these...
Customer Service3 Silicon in Sodium-Ion Batteries Similar to LIBs, it has been demonstrated that alloy-type materials possess the highest specific capacity to be used as anode in high-energy SIBs. [ 114 - 116 ] The highest capacity among allying-type materials for SIBs anodes belongs to phosphorus that forms an alloying binary phase of Na 3 P offering an amazing theoretical
Customer ServiceSodium has been considered a potential alternative to lithium because of its earth abundance and lower cost [1], [2]. Moreover, sodium has a redox potential that is only 0.3 V above that of lithium, and the operating principle of Na
Customer ServiceAntimony (Sb) has been recognized as one of the most promising metal anode materials for sodium-ion batteries, owing to its high capacity and suitable sodiation potential. Nevertheless, the large volume variation during (de)alloying can lead to material fracture and amorphization, which seriously affects their cycling stability. In this work, we report an
Customer ServiceThis has led to growing interest in sodium-ion batteries (SIBs) and potassium-ion batteries (PIBs) as viable alternatives to LIBs. Batteries based on these alkali metals (Li, Na, K) show a similar "rocking-chair" mechanism, where ions are reversibly exchanged between electrodes through electrolyte, as shown in Fig. 1 c [32], [33] .
Customer ServiceThe successful utilization of silicon nanoparticles (Si-NPs) to enhance the performance of Li-ion batteries (LIBs) has demonstrated their potential as high-capacity anode materials for next-generation LIBs. Additionally, the availability
Customer ServiceSilicon has been intensively studied as a Li-ion battery (LIB) anode material because of its high theoretical storage capacity of ~3600 mAh/g1,2. It also has one of the highest theoretical reversible capacities for sodium-ion battery (SIB) anodes (954 mAh/g), corresponding to a one-to-one ratio of sodium to silicon (NaSi). Because of the low
Customer ServiceDespite the exceptionally large capacities in Li ion batteries, Si has been considered inappropriate for applications in Na ion batteries. We report an atomic-level study on the applicability of a
We report an atomic-level study on the applicability of a Si anode in Na ion batteries using ab initio molecular dynamics simulations. While crystalline Si is not suitable for alloying with Na atoms, amorphous Si can accommodate 0.76 Na atoms per Si atom, corresponding to a specific capacity of 725 mA h g –1.
Silicon (Si) has emerged as a promising next-generation anode materials in alkali metal (Li, Na, K) ion batteries due to its high theoretical capacity, suitable working voltage, and abundance in the Earth's crust.
The successful utilization of silicon nanoparticles (Si-NPs) to enhance the performance of Li-ion batteries (LIBs) has demonstrated their potential as high-capacity anode materials for next-generation LIBs. Additionally, the availability and relatively low cost of sodium resources have a significant influence on developing Na-ion batteries (SIBs).
Finding cathode materials that can match the high capacity and cycling stability of Si anodes is crucial for the overall efficiency and longevity of Li/Na/K ion batteries. The safety of Si-based anodes in alkali metal ion batteries is a paramount concern, primarily due to the significant volume expansion of Si during charge and discharge cycles.
The safety of Si-based anodes in alkali metal ion batteries is a paramount concern, primarily due to the significant volume expansion of Si during charge and discharge cycles. This expansion leads to instability in the SEI layer and subsequent electrolyte decomposition, increasing the risk of lithium dendrite formation.
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