novel hard carbon graphite composites synthesized by

Sb2S3YP Nanostructured Anode Material Synthesized

2020/11/9Two broad peaks centered at 2 θ values of 23 and 42 of YP80F suggest it is in a hard carbon form with low degree of graphitization. 18 The XRD patterns of Sb 2 S 3 YP-28%, Sb 2 S 3 YP-43% and Sb 2 S 3 YP-62% are similar, however, the peaks of 2 S

Stabilizing Si/graphite composites with Cu and in situ

Stabilizing Si/graphite composites with Cu and in situ synthesized carbon nanotubes for high-performance Li-ion battery anodes† Tianjun Xu, a Ning Lin, * a Wenlong Cai, a Zheng Yi, a Jie Zhou, a Ying Han, a Yongchun Zhu * a and Yitai Qian * a

In

Graphite transforms to nano-crystallite carbon during mixing which is favourable for the rapid formation of TiC second phase in the following SPS process. The composites exhibited a novel honeycomb-like cellular microstructure with the formation of 5–6 vol% fine TiC submicron grains interconnected in the titanium α/β matrix.

Graphite/Graphene Composites from the Recovered

Exploring electrochemically chapped graphite/graphene composites derived from the bulk carbon rod of the spent Zn/carbon primary cell is for the advanced high-capacity lithium-ion battery anode. It is found that the synthesized graphitic carbon has grain boundary defects with multilayered exfoliation. Such material exhibits an average specific capacity of 458 mA h g–1 at 0.2 C, which is

Carbon nanotube supported catalyst

Carbon nanotube supported catalyst is a novel supported catalyst, using carbon nanotubes as the support instead of the conventional alumina or silicon support. The exceptional physical properties of carbon nanotubes (CNTs) such as large specific surface areas, excellent electron conductivity incorporated with the good chemical inertness, and

A review on the mechanical properties of polymer

2020/6/12Compared to carbon nanotubes (CNTs), graphene possesses high strength due to wrinkled surface texture caused by a high density of surface defects which benefits more contact with the polymer material than a rolled-up CNT. In the present review, we have discussed and compared the various properties of CNTs (1-D) and graphene (2-D) obtained in experimental results. The effects of covalent

Carbon Cryogel Silicon Composite Anode Materials for Lithium

Carbon Cryogel Silicon Composite Anode Materials for Lithium Ion Batteries A variety of materials are under investigation for use as anode materials in lithium-ion batteries, of which, the most promising are those containing silicon.10 One such material is a composite formed via

Energies

Novel core-shell structure hard carbon/Si–carbon composites with multiple shell structures were synthesized to be applied as anode materials for LIBs. We investigated the effect of the shell structure on the electrochemical performances of composites by utilizing three types of shell structure: Si–carbon, Si–carbon black-carbon and Si–carbon black-carbon/graphite nanosheet.

Low

Carbon has long been known to exist in three forms: amorphous carbon, graphite, and diamond. However, the discovery of buckyballs in 1985 has created an entirely new branch of carbon chemistry. The subsequent discovery of carbon nanotubes (CNTs) in 1991 has opened up a new era in materials science and nanotechnology.

Novel carbon nitride composites with improved visible

Poly(triazine imide)-based carbon nitride materials with BET surface areas up to 200 m2 g−1 were synthesized in ZnCl2 containing salt melts without the use of hard templates. We found that the composition, structural order, optical properties and morphology of the

Preparation and electrochemical properties of core

For LIB anodes, graphite materials, such as artificial graphite, natural graphite, soft carbon, and hard carbon, are the normally used ones. However, it is the low specific capacity (theoretical specific capacity 372 mA h g −1 ) of such graphite materials that has limited the further performance improvement, particularly the further increase in energy density [ 1, 2 ].

Nanomaterials

To improve the power generation of a microbial fuel cell (MFC), a porous nitrogen-doped graphene/carbon black (NG/CB) composite as efficient oxygen reduction reaction (ORR) electrocatalyst was successfully synthesized by pyrolyzing graphene oxide (GO) encapsulated CB with cetyltrimethyl ammonium bromide as a bridge. This concept-to-proof synthesis can be considered as a template-like

Practical Approach to Enhance Compatibility in

Carbonization of dried polymer/graphene/graphite composites resulted in hard carbon-coated graphene/graphite composites. Transmission electron microscopy (TEM) of carbonized samples besides nonexfoliated graphite flakes revealed the presence of multilayered graphene covered with amorphous carbon ( Figure 3 a,b).

Novel hard carbon/graphite composites synthesized by a facile in

Novel hard carbon/graphite composites synthesized by a facile in situ anchoring method as high-performance anodes for lithium-ion batteries† Chuanzhang Ge, *ab Zhenghua Fan,ab Jie Zhang,ab Yongmin Qiao,ab Jianming Wang c and Licheng Lingd In this report

Flocky MnO2/carbon nanotube composites

A kind of novel flocky MnO2/carbon nanotube (CNT) composites for supercapacitors were successfully electrodeposited in manganese acetate and CNT solution under supergravity field. The supergravity field plays an important role in synthesizing the composites, and it is an essential prerequisite. There is hardly any composite synthesized under normal gravity. CNTs were pretreated by hydrothermal

In

Graphite transforms to nano-crystallite carbon during mixing which is favourable for the rapid formation of TiC second phase in the following SPS process. The composites exhibited a novel honeycomb-like cellular microstructure with the formation of 5–6 vol% fine TiC submicron grains interconnected in the titanium α/β matrix.

Flocky MnO2/carbon nanotube composites

A kind of novel flocky MnO2/carbon nanotube (CNT) composites for supercapacitors were successfully electrodeposited in manganese acetate and CNT solution under supergravity field. The supergravity field plays an important role in synthesizing the composites, and it is an essential prerequisite. There is hardly any composite synthesized under normal gravity. CNTs were pretreated by hydrothermal

Carbon Composite Anodes with Tunable Microstructures

To further improve KIB performance, researchers have investigated anode materials beyond graphite, such as soft carbon (SC), 11 hard carbon (HC) . 11-13 Motivated by Jian et al. 11 investigating HC‐SC composite anodes for KIBs, herein we present, for the first time, G‐SC composite anodes for KIBs to identify the optimized candidate and study the structure‐performance relationships.

Carbon

Carbon-fiber-reinforced polymers (American English), carbon-fibre-reinforced polymers (Commonwealth English), or carbon-fiber-reinforced plastic's, or carbon-fiber reinforced-thermoplastic ('CFRP, CRP, CFRTP, also known as carbon fiber, carbon composite, or just carbon), are extremely strong and light fiber-reinforced plastics that contain carbon fibers.

Carbon Cryogel Silicon Composite Anode Materials for Lithium

Carbon Cryogel Silicon Composite Anode Materials for Lithium Ion Batteries A variety of materials are under investigation for use as anode materials in lithium-ion batteries, of which, the most promising are those containing silicon.10 One such material is a composite formed via

Carbon Cryogel Silicon Composite Anode Materials for Lithium

Carbon Cryogel Silicon Composite Anode Materials for Lithium Ion Batteries A variety of materials are under investigation for use as anode materials in lithium-ion batteries, of which, the most promising are those containing silicon.10 One such material is a composite formed via

method as high

1 Novel hard carbon/graphite composites synthesized by a facile in-situ anchoring method as high-performance anode for Lithium ion batteries Chuanzhang Ge*a,b, Zhenghua Fana,b, Jie Zhang a,b, Yongmin Qiaoa,b, Jianming Wangc and Licheng Lingd a Department of Research and Development, Shanghai Shanshan Technology Co., Ltd.,

Preparation and electrochemical properties of core

For LIB anodes, graphite materials, such as artificial graphite, natural graphite, soft carbon, and hard carbon, are the normally used ones. However, it is the low specific capacity (theoretical specific capacity 372 mA h g −1 ) of such graphite materials that has limited the further performance improvement, particularly the further increase in energy density [ 1, 2 ].

A review on the mechanical properties of polymer

2020/6/12Compared to carbon nanotubes (CNTs), graphene possesses high strength due to wrinkled surface texture caused by a high density of surface defects which benefits more contact with the polymer material than a rolled-up CNT. In the present review, we have discussed and compared the various properties of CNTs (1-D) and graphene (2-D) obtained in experimental results. The effects of covalent

Novel hard carbon/graphite composites synthesized by a

Novel hard carbon/graphite composites are successfully synthesized by a facile in situ particle anchoring method. The obtained samples are evaluated in detail with the assistance of SEM, XRD, Raman and nitrogen adsorption and applied as high-performance graphitic

Synthesis of novel hard mesoporous carbons and their

2019/6/1The Nitrogen adsorption/desorption isotherms for C70-100, C90-100 and C90-150 are classified as type IV, characteristic of mesoporous materials (Fig. 1a, d and 1g respectively).These carbons, as shown in Table 1, exhibit high BET surface areas, high mesoporous volumes with pores sizes around 7, 8 and 29 nm for C70-100, C90-100 and C90-150, respectively, and significant

Sb2S3YP Nanostructured Anode Material Synthesized

2020/11/9Two broad peaks centered at 2 θ values of 23 and 42 of YP80F suggest it is in a hard carbon form with low degree of graphitization. 18 The XRD patterns of Sb 2 S 3 YP-28%, Sb 2 S 3 YP-43% and Sb 2 S 3 YP-62% are similar, however, the peaks of 2 S

Preparation and electrochemical properties of core

For LIB anodes, graphite materials, such as artificial graphite, natural graphite, soft carbon, and hard carbon, are the normally used ones. However, it is the low specific capacity (theoretical specific capacity 372 mA h g −1 ) of such graphite materials that has limited the further performance improvement, particularly the further increase in energy density [ 1, 2 ].

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