high capacity lithium battery anodes
Nanostructured Si−C Composites As High‐Capacity Anode Material …
The lithium alloy forming element silicon is another attractive alternative to lithium due to its high gravimetric and volumetric capacity (1857 mAh g −1, 2190 mAh cm −3), low delithiation potential (0.4 V vs. Li/Li +) and high abundance lowering battery production costs. 12, 16, 17, 18 Tesla just recently announced that their future ...
Nanoporous germanium as high-capacity lithium-ion battery anode
Nanoporous structure can accommodate volume changes during the lithiation/de-lithiation progress and promote high-rate capability. The np-Ge shows a promising electrochemical performance as an advanced anode materials for LIBs with a specific capacity of 1191 mA h g −1 after 160 cycles at a rate of 160 mA g −1 and good …
High‐Capacity Anode Materials for Lithium‐Ion Batteries: Choice of ...
Growing market demand for portable energy storage has triggered significant research on high-capacity lithium-ion (Li-ion) battery anodes. Various elements have been utilized in innovative structures to enable these anodes, which can potentially increase the energy density and decrease the cost of Li-ion batteries.
Branched Co3O4/Fe2O3 nanowires as high capacity lithium-ion …
Abstract. We report a facile, two-step hydrothermal synthesis of a novel Co 3 O 4 /α-Fe 2 O 3 branched nanowire heterostructure, which can serve as a good candidate for lithium-ion battery anodes with high Li+ storage capacity and stability. The single-crystalline, primary Co 3 O 4 nanowire trunk arrays directly grown on Ti substrates allow …
High capacity conversion anodes in Li-ion batteries: A review
Silvestri et al. [487n] studied lithium alanates (LiAlH 4 and Li 3 AlH 6) as active anode materials in Li-ion batteries using both experimental and computational techniques and achieved the highest specific capacity of 1065 mAh/g exchanged below 0.5 V, and the highest reversibility of 460 mAh/g.
Recycling rice husks for high-capacity lithium battery anodes
In an effort to recycle rice husks for high-value applications, we convert the silica to silicon and use it for high-capacity lithium battery anodes. Taking advantage of the interconnected nanoporous structure naturally existing in rice husks, the converted silicon exhibits excellent electrochemical performance as a lithium battery anode ...
Self-sacrificed synthesis of carbon-coated SiOx nanowires for high ...
Silicon oxide (SiO x) shows great potential for lithium ion battery (LIB) anodes due to its high capacity, environmental friendliness, low cost and high abundance.Herein, we used low-cost mesoporous silica spheres to synthesize core–shell structured porous carbon-coated SiO x nanowires (pC–SiO x NWs) as a new LIB anode …
Humic acid-derived graphene–SnO2 nanocomposites for high …
The humic acid-derived graphene–SnO2 nanocomposites showed the presence of graphene sheets with a unique crumpled and wrinkled morphology and SnO2 nanoparticles. The graphene–SnO2 nanocomposites were tested as anodes for lithium-ion batteries and showed high reversible specific capacities (641 mAh g−1).
Nanostructured silicon for high capacity lithium battery anodes
Nanostructured silicon is promising for high capacity anodes in lithium batteries. The specific capacity of silicon is an order of magnitude higher than that of conventional graphite anodes, but the large volume change of silicon during lithiation and delithiation and the resulting poor cyclability has prevented its commercial application. This challenge could …
High capacity lithium ion battery anodes of silicon and germanium
Lithium ion batteries with significantly higher energy and power density desired for new personal electronic devices, electric vehicles, and large-scale energy storage, require new materials. This review focuses on the replacement of the graphite anode with silicon or germanium. Si and Ge both have significantly higher Li storage …
Hierarchically porous carbon derived from waste acrylic fibers for ...
When used as the anode of lithium ion batteries, this nitrogen-doped porous carbon shows high reversible capacity of ca. 1200 mA h g −1 after 50 cycles at 0.1 A g −1. Reversible capacities of 550 and 370 mA h g −1 are obtained at higher current densities of 1 and 5 A g −1 after 500 cycles, respectively.
High Capacity Lithium Ion Battery Anodes Using Sn Nanowires ...
High Capacity Lithium Ion Battery Anodes Using Sn Nanowires Encapsulated Al 2 O 3 Tubes in Carbon Matrix. ... Tin (Sn) is one of the promising anode candidates for next generation applications in lithium ion batteries with high energy densities, but it suffers from drastic volume change (about 260%) upon lithiation. ...
Low-potential and high-capacity lithium battery anode based on ...
Cocoon-like porous architecture wrapped by Na 2 TiSiO 5 nanotubes (NTSO-T) was facilely obtained as low-voltage and high-capacity lithium-ion battery anode. Benefiting from the morphology, NTSO-T delivers a high reversible specific capacity of 400 mA h g-1 with a moderate voltage platform of 0.75 V, which will be far …
Graphdiyne as a high-capacity lithium ion battery anode material
Using the first-principles calculations, we explored the feasibility of using graphdiyne, a 2D layer of sp and sp2 hybrid carbon networks, as lithium ion battery anodes. We found that the composite of the Li-intercalated multilayer α-graphdiyne was C6Li7.31 and that the calculated voltage was suitable for the anode. The practical …
Single‐Phase Cu3SnS4 Nanoparticles for Robust High Capacity …
Herein, single phase ternary metal sulfide Cu 3 SnS 4 (CTS) nanoparticles are synthesized with high Cu : Sn ratio and examined for application as Li-ion battery anode. High specific capacities of 1082 mAh g −1 at 0.2 A g −1 and 440 mAh g −1 at a high rate of 3 A g −1 are realized with superior stability tested up to 950 cycles ...
Toward an Ideal Polymer Binder Design for High-Capacity Battery …
The dilemma of employing high-capacity battery materials and maintaining the electronic and mechanical integrity of electrodes demands novel designs of binder systems. Here, we developed a binder polymer with multifunctionality to maintain high electronic conductivity, mechanical adhesion, ductility, and electrolyte uptake. These critical properties are …
Nanostructured silicon for high capacity lithium battery anodes ...
The most frequently used material for commercial secondary lithium ion battery anodes is graphite, in which a maximum of one lithium can intercalate for every six carbon atoms. 10 The volumetric expansion during lithium intercalation between the planar graphite layers is just over 10%, resulting in high reversibility and stable capacity over ...
High-capacity lithium sulfur battery and beyond: a review of metal ...
Li metal has the highest specific capacity (3860 mA h g−1) and the lowest electrochemical potential (− 3.04 V vs. SHE) of available metal anodes. Together with the high specific capacity of sulfur cathodes (1670 mA h g−1), Li metal–S batteries are a promising candidate to achieve high energy density batteries for electric vehicles and …
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