Carbon-coated nanostructured silicon (Si/C) composites are promising anodes for next-generation lithium-ion batteries, but scalable synthesis of such materials with an anti-pulverization capability, high areal capacity and long cycle life still remains a challenge. In this work, mesoporous Si/C microspheres
About Photovoltaic Energy StorageLithium-ion battery anode materials include flake natural graphite, mesophase carbon microspheres and petroleum coke-based artificial graphite. Carbon material is currently the main negative electrode material used in lithium-ion batteries, and its performance affects the quality, cost and safety of lithium-ion batteries.
About Photovoltaic Energy StorageCarbon fibers produced from mesophase pitch are superior in many properties such as high thermal conductivity and high tensile modulus, which originated from the high graphitizability and high carbon yield of the raw materials. Any variation in mesophase pitch microstructure will be inherited in derived carbon fibers. Herein, we …
About Photovoltaic Energy StorageCarbonaceous mesophase with a nematic liquid crystal structure possesses an easily graphitizable characteristic and can be used as a promising raw material to prepare anisotropic carbon and graphite …
About Photovoltaic Energy StorageGraphitized mesoporous carbon (GMPC) materials are successfully prepared by a simple template method, using mesophase pitch as carbon source and nano-silica as a template. The mass percentage of silica plays critical roles in the crystalline structure, specific surface area and pore structure as well as the electrochemical …
About Photovoltaic Energy StorageLithium-ion battery anode materials include flake natural graphite, mesophase carbon microspheres and petroleum coke-based artificial graphite. Carbon material is currently the main negative electrode …
About Photovoltaic Energy StorageCarbon-coated nanostructured silicon (Si/C) composites are promising anodes for next-generation lithium-ion batteries, but scalable synthesis of such materials with an anti-pulverization capability, high areal capacity …
About Photovoltaic Energy StorageSelf-supporting electrode materials play a pivotal role in advancing the progress of flexible potassium-ion batteries (PIBs). However, crafting self-supporting electrodes with unique compositions and structures to surmount the volume effect and sluggish kinetics resulting from the significant size of K+ duri
About Photovoltaic Energy StorageTunable synthesis of silicon/carbon hollow microspheres for high energy lithium-ion battery. A series of silicon/carbon hollow microspheres employed with recycled kerf loss silicon and lignin as raw materials were successfully synthesized through a spray drying method combined with a subsequent pyrolysis process.
About Photovoltaic Energy StorageMesoporous carbon/graphene composites (MCG) have exhibited good electrochemical performances; however, the fixed mesoporous carbon, the low specific surface area, and porosity are the …
About Photovoltaic Energy StorageMesoporous carbons (MCs) with a high surface area (up to 900 m2/g), large pore volume (up to 2.1 cm3/g), high mesopore ratio (94%), and high yield (70%) were successfully prepared from an AR mesophase pitch, using a commercially nanosized silica template. The removal of the template provided some larger mesopores of 25−50 nm …
About Photovoltaic Energy StorageResults show that adding BTP can provide nucleation domain for to form carbon microspheres and delay bulk mesophase formation, thus generating more MCMBs during pyrolysis. However, excessive BTP can have a negative impact on MCMB production, such as by reducing the yield of final products.
About Photovoltaic Energy StorageThe battery does not catch fire under needle punching, extrusion or overcharging. Therefore, the new soft carbon battery has excellent working performance and can be used as a new energy storage battery.Keywords Lithium ion battery Soft carbon anode Cyclic performance Working performance References 1. M.
About Photovoltaic Energy StorageBased on the remarkable activity, high H 2 O 2 selectivity, and reliable stability of MHCS 0.5, coupled with the global goal of carbon neutrality, we envision a future where large-scale...
About Photovoltaic Energy StorageThe study of multi-electron conversion cathodes is an important direction for developing next-generation rechargeable batteries. Iron fluoride (FeF3), in particular, has a high theoretical specific capacity (712 mA h g−1) and a low cost for Li storage. However, the FeF3 material suffers from poor conductivit
About Photovoltaic Energy StorageThe "Mesophase Carbon Microspheres Market" reached a valuation of USD xx.x Billion in 2023, with projections to achieve USD xx. Skip to main content LinkedIn Articles
About Photovoltaic Energy StorageDOI: 10.1039/d3ta05054h Corpus ID: 263005722 Multicore-Shell Iron Fluoride @ Carbon Microspheres as Long-life Cathode for High-Energy Lithium Battery @article{Jiang2023MulticoreShellIF, title={Multicore-Shell Iron Fluoride @ Carbon Microspheres as Long-life Cathode for High-Energy Lithium Battery}, author={Ziang …
About Photovoltaic Energy StorageMesophase soft carbon (MSC) and mesophase graphite (SMG), for use in comparative studies of high C-rate Lithium Ion Battery (LIB) anodes, were made by heating mesocarbon microbeads (MCMB) at 1300 ...
About Photovoltaic Energy StorageGraphitized mesoporous carbon (GMPC) materials are successfully prepared by a simple template method, using mesophase pitch as carbon source and nano-silica as a template. The mass percentage of silica plays critical roles in the crystalline structure, specific surface area and pore structure as well as the electrochemical …
About Photovoltaic Energy Storage/ New Carbon Materials, 2021, 36(1): 34-48 nanorods and the asphalt was converted into hollow carbon nanotubes around the nanorods[71]. 4.3 2D carbon sheets The structural disorder of amorphous carbon with a large number of defects leads to low electrical conductivity, which limits its application for high power LIBs.
About Photovoltaic Energy StorageHere, a coupled strategy is designed to prepare hard carbon microspheres (HCMSs) via the pyrolysis of a highly branched polymer network formed instantaneously between two interactive …
About Photovoltaic Energy Storagepreparation of new carbon materials with excellent properties, mesophase pitch can be employed by improving the process conditions and adjusting the process methods to produce different carbon materials such as foamed carbon,7–9 carbon microspheres
About Photovoltaic Energy StorageHere novel multicore–shell FeF 3 @carbon (C) composite microspheres with FeF 3 nanoparticles embedded in carbon shells are developed through a bottom-up …
About Photovoltaic Energy StorageZhou X J, Tian J, Wu Q P, et al. N/O dual-doped hollow carbon microspheres constructed by holey nanosheet shells as large-grain cathode host for high loading Li-S batteries[J]. Energy Storage Materials, 2020, 24:644-654. [49] Hu H, Wu M B. Heavy oil-derived
About Photovoltaic Energy StorageMochida, et al. revealed that the soft carbon materials (carbonized at 1000 C) prepared from mesophase pitch and the hard carbon materials (carbonized at 1000 C) prepared from isotropic pitch exhibit different lithium-ion insertion mechanisms and anode
About Photovoltaic Energy StorageThe Se-loaded carbon microspheres with well-developed micro- and mesopores (A4-carbon/Se) exhibit higher capacities and …
About Photovoltaic Energy Storage/ New Carbon Materials, 2023, 38(3): 459-477 4.2 Alkali metal ion batteries For alkali metal-ion batteries, they have drawn attentions due to their ultrahigh theoretical capacity and energy density. However, the slow electrode kinetics makes the batteries show terrible rate capability.
About Photovoltaic Energy StorageCorresponding Author Zhao Xuefei [email protected] Institute of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China Key Laboratory for Advanced Coal and Coking Technology of Liaoning Province, School of …
About Photovoltaic Energy StorageCarbon Energy is an open access energy technology journal publishing innovative interdisciplinary clean energy research from around the world. 1 INTRODUCTION Among the various energy storage devices available, 1-6 rechargeable batteries fulfill several important energy storage criteria (low installation cost, high durability and reliability, long …
About Photovoltaic Energy Storage/ New Carbon Materials, 2023, 38(3): 459-477 Table 1 The applications of pitch-based carbon materials Materials Carbon precursors Device type Capacity Ref. HPCs Coal tar pitch Supercapacitor 356.8 F gâˆ''1 at 0.5 A gâˆ''1 [41] PCs Coal tar pitch Supercapacitor 602 mF cmâˆ''2 at 4 mA cmâˆ''2 [42] PCs Coal tar pitch Supercapacitor …
About Photovoltaic Energy StorageTo improve the cycle performance, we propose a new composite structure wherein we entrap carbon nanoparticles in macroporous Mn3O4 microspheres with a …
About Photovoltaic Energy StorageAbstract. To clarify the relationship between the chemical compositions of green mesocarbon microbeads (GMCMBs) and the electrochemical behavior of …
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