Nano-carbon composite battery negative electrode material

Negative electrode materials for high-energy density Li

Current research appears to focus on negative electrodes for high-energy systems that will be discussed in this review with a particular focus on C, Si, and P. This new generation of batteries requires the optimization of Si, and black and red phosphorus in the case of Li-ion technology, and hard carbons, black and red phosphorus for Na-ion

Si-decorated CNT network as negative electrode for lithium-ion battery

We have developed a method which is adaptable and straightforward for the production of a negative electrode material based on Si/carbon nanotube (Si/CNTs) composite for Li-ion batteries. Comparatively inexpensive silica and magnesium powder were used in typical hydrothermal method along with carbon nanotubes for the production of silicon nanoparticles.

Design of ultrafine silicon structure for lithium battery and

As the main body of lithium storage, negative electrode materials have become the key to improving the performance of lithium batteries. The high specific capacity and low lithium insertion potential of silicon materials make them the best choice to replace traditional graphite negative electrodes.

A new nano lead-doped mesoporous carbon composite as negative electrode

We propose and realize a new nano lead-doped mesoporous carbon composite as the negative electrode additives, which realize the abundant nano-lead electrodeposition into carbon pores and the remarkable suppression of irreversible sulfation, to effectively prolong the cycle life of lead-carbon batteries. We show that through NaOH activation and followed air

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), and Si nanoparticles (SNPs)

Nanostructure Sn/C Composite High-Performance Negative Electrode

Tin-based nanocomposite materials embedded in carbon frameworks can be used as effective negative electrode materials for lithium-ion batteries (LIBs), owing to their high theoretical capacities with stable cycle performance. In this work, a low-cost and productive facile hydrothermal method was employed for the preparation of a Sn/C

Characteristics and electrochemical performances of silicon/carbon

In this study, two-electrode batteries were prepared using Si/CNF/rGO and Si/rGO composite materials as negative electrode active materials for LIBs. To test the electrodes and...

Negative electrode materials for high-energy density Li

Current research appears to focus on negative electrodes for high-energy

Research progress of nano-silicon-based materials and silicon-carbon

At present, silicon-carbon composite materials commonly use Si powder, silicon oxide, and other silicides as raw materials, and organic polymers such as polyvinyl alcohol as carbon sources. These raw materials are processed by mechanical ball milling [ 73 ], high-temperature pyrolysis [ 74, 75 ], CVD [ 76 ], spray drying [ 77 ], and other methods to obtain

Hard Carbon Composite Electrodes for Sodium-Ion Batteries with Nano

In this work, we show the benefit of a mixed composite electrode containing ionic and electronic conducting additives for a sodium-ion battery negative elec-trode. Hard carbon electrodes with 5% additive containing different proportions of

Nano-sized cobalt oxide/mesoporous carbon sphere composites as negative

A new type of nano-sized cobalt oxide compounded with mesoporous carbon spheres (MCS) as negative electrode material for lithium-ion batteries was synthesized. The composite containing about 20 wt.% cobalt oxide exhibits a reversible capacity of 703 mAh/g at a constant current density of 70 mA/g between 0.01 and 3.0 V (vs. Li + /Li), and

Preparation and electrochemical performances for silicon-carbon

Silicon-carbon materials have broad development prospects as negative electrode materials for lithium-ion batteries. In this paper, polyvinyl butyral (PVB)-based carbon-coated silicon (Si/C) composite materials were prepared using PVB-coated Si particles and then high-temperature carbonization methods. Furthermore, the PVB-based carbon-coated

Hard Carbon Composite Electrodes for Sodium‐Ion Batteries with Nano

In this work, we show the benefit of a mixed composite electrode containing ionic and electronic conducting additives for a sodium‐ion battery negative electrode. Hard carbon...

High-capacity, fast-charging and long-life magnesium/black

h Comparison of Mg plated capability of the Mg@BP composite negative electrode with current Mg composite negative electrode 20,38,39,40,41,42 and Li composite negative electrode 11,39,43,44,45,46

A new nano lead-doped mesoporous carbon composite as

We propose and realize a new nano lead-doped mesoporous carbon

A high-performance Te@CMK-3 composite negative electrode

We report a new class of high-capacity chalcogen–carbon composite negative electrodes for Na rechargeable batteries, consisting of tellurium-infiltrated ordered mesoporous carbon CMK-3. Its unparalleled electric conductivity makes Te a promising electrode material with high-capacity utilization.

A new nano lead-doped mesoporous carbon composite as negative electrode

We propose and realize a new nano lead-doped mesoporous carbon composite as the negative electrode additives, which realize the abundant nano-lead electrodeposition into carbon pores and the remarkable suppression of irreversible sulfation, to effectively prolong the cycle life of lead-carbon batteries. We show that through NaOH activation and

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

Nano-sized cobalt oxide/mesoporous carbon sphere composites as negative

Nano-sized cobalt oxide/mesoporous carbon sphere composites as negative electrode material for lithium-ion batteries. be easily extend this synthetic methodology to the preparation of other nano-sized transition-metal oxide for Li-ion battery applications. Acknowledgements . This work was partially supported by the National Natural Science

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

Characteristics and electrochemical performances of silicon/carbon

In this study, two-electrode batteries were prepared using Si/CNF/rGO and

Recent advances in the application of carbon-based electrode materials

Moreover, the application of various carbon-based materials is systematically summarized in ZIHCs, including activated carbon (AC), biomass carbon (BC), porous carbon (PC), and heteroatom-doped carbon (HDC). In addition, recent advances in the structural design of electrolytes and Zn anodes and their effects on electrochemical performance are

Hard Carbon/SiOx Composite Active Material Prepared from

The composite negative electrode active material of Li-ion batteries (LIBs) was fabricated using phenolic resin (PR) and agricultural waste of rice husk (RH). Because silicates were intrinsically composed in RH, the composite of hard carbon (HC) and SiO x (HC/SiO x composite) was readily prepared by carbonizing the mixture of PR and RH. Li-ion

Nano-sized cobalt oxide/mesoporous carbon sphere composites

A new type of nano-sized cobalt oxide compounded with mesoporous carbon spheres (MCS) as negative electrode material for lithium-ion batteries was synthesized. The composite containing about 20 wt.% cobalt oxide exhibits a reversible capacity of 703 mAh/g

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