Carbon materials are the mostly used conductive additives in the cathode, including carbon nanotubes (CNTs) [62, 63], Super P (SP) [64], Ketjen Black [65], onion-like carbon [66, 67], graphene [[68], [69], [70]] and carbon fiber [64]. Therein, CNTs with a 1D structure possess a long-range conductive network through a "line-to-line" contact with other
We report the interfacial study of a silicon/carbon nanofiber/graphene
Since Co2VO4 possesses a solid spinel structure and a high degree of stability, it has gained interest as a possible anode material for sodium-ion batteries. However, the application of this electrode material is still hampered by its poor electrical conductivity and severe volume expansion. Uniform Co2VO4 nanoparticles (CVO) were grown on carbon nanotubes
In situ TEM electrochemistry of anode materials in lithium ion batteries. Energy Environ. Sci. 4, 3844–3860 (2011). Article CAS Google Scholar Li., L. et al. Self-heating-induced healing of
Multi-walled carbon Nanotubes (MWCNTs) are hailed as beneficial conductive agents in Silicon (Si)-based negative electrodes due to their unique features enlisting high electronic conductivity and the ability to offer additional space for accommodating the massive volume expansion of Si during (de-)lithiation. However, both MWCNTs and
Possessing high conductivity (both thermally and electrically), high chemical
Multi-walled carbon Nanotubes (MWCNTs) are hailed as beneficial conductive agents in Silicon (Si)-based negative electrodes due to their unique features enlisting high electronic conductivity and the ability to offer additional space for accommodating the massive
Carbon nanotubes (CNTs) have displayed great potential as anode materials for lithium ion
We report the interfacial study of a silicon/carbon nanofiber/graphene composite as a potentially high-performance anode for rechargeable lithium-ion batteries (LIBs). Silicon nanoparticle (Si
We report the interfacial study of a silicon/carbon nanofiber/graphene composite as a potentially high-performance anode for rechargeable lithium-ion batteries (LIBs).
As a new member in the carbonaceous material family, the carbon nanotube (CNT) is distinguished at improving the performance of current electrode materials. CNTs, an allotrope of graphite, have been reported to show much improved lithium storage capacity compared to graphite, because of their unique structures and properties.
Thus, to address the critical need for higher energy density LiBs (>400 Wh kg −1 and >800 Wh L −1), 4 it necessitates the exploration and development of novel negative electrode materials that exhibit high capacity and low equilibrium operating potential. 5 Among alloy-type negative electrode materials, Silicon (Si) is presented as a highly promising alternative to the
Conventional lithium ion batteries employ crystalline materials which have stable electrochemical potentials to allow lithium ion intercalation within the interstitial layers or spaces. 6 The predominant active electrode materials have been a
Multi-walled carbon Nanotubes (MWCNTs) are hailed as beneficial conductive agents in Silicon (Si)-based negative electrodes due to their unique features enlisting high electronic conductivity and the ability to offer additional space for accommodating the massive volume expansion of Si during (de-)lithiation.
We have developed a method which is adaptable and straightforward for the
Nanostructured electrodes impart following improvements vis-à-vis
Possessing high conductivity (both thermally and electrically), high chemical and electrochemical stability, exceptional mechanical strength and flexibility, high specific surface area, large charge storage capacity, and excellent ion-adsorption, carbon nanotubes (CNTs) remain one of the most researched of other nanoscale materials for electroch...
Lithium nickel–cobalt–aluminum oxide (NCA) is a promising cathode material for lithium-ion batteries due to its high energy density of more than 274 mAh/g.
The Sn/carbon nanotube composite material has a much higher capacity than tin nanopowders when cycling at a current density of ~0.1 A/g. It follows from this that the former has better electrochemical properties and can be used as a negative electrode material. Among high-capacity materials for the negative electrode of a lithium-ion battery, Sn stands out due to
Carbon nanotubes (CNTs), because of their unique 1D tubular structure, high electrical and thermal conductivities and extremely large surface area, have been considered as ideal additive materials to improve the electrochemical characteristics of both the anode and cathode of Li-ion batteries with much enhanced energy conversion and storage capa...
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
Carbon nanotubes (CNTs), because of their unique 1D tubular structure, high
In-vitro electrochemical prelithiation has been demonstrated as a remarkable approach in enhancing the electrochemical performance of
Nanostructured electrodes impart following improvements vis-à-vis conventional materials – high reversible Li intercalation capacity without impairing the electrode structure; reduced diffusion length leading to increased lithiation/delithiation rates; enhanced electric conductivities (selection of materials having high conductivity
Carbon nanotubes (CNTs) have displayed great potential as anode materials for lithium ion batteries (LIBs) due to their unique structural, mechanical, and electrical properties. The measured reversible lithium ion capacities of CNT-based anodes are considerably improved compared to the conventional graphite-based anodes.
LIBs typically consist of a negative electrode (anode), a positive electrode (cathode), and a conducting electrolyte, and store electrical energy in the two electrodes in the form of Li-intercalation compounds. During charging of the LIBs, lithium ions released from the cathode move through the electrolyte and are inserted into the anode. Upon discharging, lithium ions
In-vitro electrochemical prelithiation has been demonstrated as a remarkable approach in enhancing the electrochemical performance of Silicon-rich Silicon/Graphite blend negative electrodes in Li-Ion batteries. The effectiveness of this strategy is significantly highlighted when Carbon Nanotubes are utilized as an electrode additive material.
A comparative study of electrochemical properties of two kinds of carbon nanotubes as anode materials for lithium ion batteries. Electrochim. Acta. 2008, 53, 2238–2244.
A versatile carbon nanotube-based scalable approach for improving interfaces in Li-ion battery electrodes. ACS Omega. 2018, 3, 4502–4508. Cao, W. J.; Greenleaf, M.; Li, Y. X.; Adams, D.; Hagen, M.; Doung, T.; Zheng, J. P. The effect of lithium loadings on anode to the voltage drop during charge and discharge of Li-ion capacitors. J.
As a new member in the carbonaceous material family, the carbon nanotube (CNT) is distinguished at improving the performance of current electrode materials. CNTs, an allotrope of graphite, have been reported to show much improved lithium storage capacity compared to graphite, because of their unique structures and properties.
Carbonaceous materials used as anodes for LIBs exhibit significant advantages. As a new member in the carbonaceous material family, the carbon nanotube (CNT) is distinguished at improving the performance of current electrode materials.
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.
The performance of the synthesized composite as an active negative electrode material in Li ion battery has been studied. It has been shown through SEM as well as impedance analyses that the enhancement of charge transfer resistance, after 100 cycles, becomes limited due to the presence of CNT network in the Si-decorated CNT composite.
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