Rechargeable lithium batteries have ushered the wireless revolution over last two decades and are now matured to enable green automobiles. However, the growing concern on scarcity and large-scale applications of lithium resources have steered effort to realize sustainable sodium-ion batteries, Na and Fe being abundant and low-cost charge carrier and redox centre, respectively. However, their pe...

Recently, sodium ion batteries (SIBs) have been given intense attention because they are the most promising alternative to lithium ion batteries for application in renewable power stations and smart grid, owing to their low cost, their abundant natural resources, and the similar chemistry of sodium and lithium. Elemental phosphorus (P) is the most promising anode materials for SIBs with the hig...

Germanium is a promising high-capacity anode material for lithium ion batteries, but still suffers from poor cyclability due to its huge volume variation during the Li-Ge alloy/dealloy process. Here we rationally designed a flexible and self-supported electrode consisting of Ge nanoparticles encapsulated in carbon nanofibers (Ge-CNFs) by using a facile electrospinning technique as potential ano...

Solid-state batteries with inorganic solid electrolytes are expected to be an efficient solution to the issues of current lithium-ion batteries that are originated from their organic-solvent electrolytes. Although solid-state batteries had been suffering from low rate capability due to low ionic conductivities of solid electrolytes, some sulfide solid electrolytes exhibiting high ionic conducti...

The anomalous line broadening behaviour exhibited by Li1.2Mn0.4Ni0.3Co0.1O2 during charging to high voltage (> 4.4V) has been investigated. Previous hypotheses attributing the phenomena to stacking faults can not explain all of the broadening features, as some of them (e.g. 003) disobey the selection rules expected of stacking faults in a cubic close-packed system (H-K = 3N ± 1). An alternative...

nt matter & 2013 0.1016/j.nanoen.2 thor. uthor. Tel.: +1 216 . : [email protected] (L. Dai). Abstract The recent progress and future development of cathode materials for lithium ion batteries have been critically reviewed in this article. We have given some critical opinions and rational ideas regarding the development of cathode materials to dramatically reduce the cost and increase the efficienc...

Anode materials play an important role in determining the performance of lithium ion batteries. In experiment, graphene (GR)/metal oxide (MO) composites possess excellent electrochemical properties and are promising anode materials. Here we perform density functional theory calculations to explore the interfacial interaction between GR and MO. Our result reveals generally weak physical interact...

In this work, we developed an eco-friendly strategy for preparing Co3O4 nanowires. The process consisted of two steps: controllable synthesis of metal cobalt nanowires followed by a facile air-oxidization step. The 1D nanowire structure with a high aspect ratio was easily achieved via a magnetic-field-assisted self-assembly of cobalt ion complexes during reduction. After air-calcinations, the C...

Construction of desired nanoarchitectures with both high power and high rate ability is regarded as a significant step torward industrial applications of rechargeable lithium ion batteries (LIBs) with improved performance. It is well-known that the hard-template route towards nanoarchitectures requires further simplifying the synthetic procedure and lowering the cost of the template itself. Whe...

We investigate the structural, mechanical, and electronic properties of graphite-like amorphous carbon coating on bulky silicon to examine whether it can improve the durability of the silicon anodes of lithium-ion batteries using molecular dynamics simulations and ab-initio electronic structure calculations. Structural models of carbon coating are constructed using molecular dynamics simulation...