Graphitized porous carbon microspheres assembled with carbon black nanoparticles as improved anode materials in Li-ion batteries

Lei Zhang; Meiju Zhang; Yanhong Wang; Zailei Zhang; Guangwei Kan; Cunguo Wang; Ziyi Zhong; Fabing Su

doi:10.1039/c4ta00356j

Graphitized porous carbon microspheres assembled with carbon black nanoparticles as improved anode materials in Li-ion batteries

Lei Zhang, Meiju Zhang, Yanhong Wang^*, Zailei Zhang, Guangwei Kan, Cunguo Wang, Ziyi Zhong, Fabing Su

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

79 Scopus citations

Abstract

We report the facile preparation of graphitized porous carbon microspheres (GPCMs) by the spray drying technique using carbon black (CB) nanoparticles as the primary carbon resource and sucrose as the binder, followed by graphitization at 2800 °C. The samples were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption, thermogravimetric analysis, and Raman spectroscopy. It is found that the GPCMs with a size of 5-20 μm delivered a reversible capacity of 459 mA h g^-1 at the current density of 50 mA g^-1 after 100 cycles, much higher than that of the commercial graphite microspheres (GMs) (372 mA h g^-1). More importantly, GPCMs exhibited excellent rate performances with a capacity of 338 and 300 mA h g^-1 at the current densities of 500 and 1000 mA g^-1 respectively, superior to those of GMs (200 and 100 mA h g^-1). The excellent electrochemical properties of GPCMs originate from its unique structure, which is composed of core-shell nanoparticles with the graphitized carbon core derived from CB nanoparticles and the hard carbon shell generated from sucrose, providing more lithium ion storage sites, higher electronic conductivity, and fast ion diffusion. This work opens a simple way to large-scale production of new carbon anode materials with a low cost and good performance for Li-ion batteries. 2014 This journal is

Original language	English
Pages (from-to)	10161-10168
Number of pages	8
Journal	Journal of Materials Chemistry A
Volume	2
Issue number	26
DOIs	https://doi.org/10.1039/c4ta00356j
State	Published - 14 Jul 2014
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1039/c4ta00356j

Cite this

@article{101b1fe3bc5b412882fa9051c833e28f,

title = "Graphitized porous carbon microspheres assembled with carbon black nanoparticles as improved anode materials in Li-ion batteries",

abstract = "We report the facile preparation of graphitized porous carbon microspheres (GPCMs) by the spray drying technique using carbon black (CB) nanoparticles as the primary carbon resource and sucrose as the binder, followed by graphitization at 2800 °C. The samples were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption, thermogravimetric analysis, and Raman spectroscopy. It is found that the GPCMs with a size of 5-20 μm delivered a reversible capacity of 459 mA h g-1 at the current density of 50 mA g-1 after 100 cycles, much higher than that of the commercial graphite microspheres (GMs) (372 mA h g-1). More importantly, GPCMs exhibited excellent rate performances with a capacity of 338 and 300 mA h g-1 at the current densities of 500 and 1000 mA g-1 respectively, superior to those of GMs (200 and 100 mA h g-1). The excellent electrochemical properties of GPCMs originate from its unique structure, which is composed of core-shell nanoparticles with the graphitized carbon core derived from CB nanoparticles and the hard carbon shell generated from sucrose, providing more lithium ion storage sites, higher electronic conductivity, and fast ion diffusion. This work opens a simple way to large-scale production of new carbon anode materials with a low cost and good performance for Li-ion batteries. 2014 This journal is",

author = "Lei Zhang and Meiju Zhang and Yanhong Wang and Zailei Zhang and Guangwei Kan and Cunguo Wang and Ziyi Zhong and Fabing Su",

year = "2014",

month = jul,

day = "14",

doi = "10.1039/c4ta00356j",

language = "英语",

volume = "2",

pages = "10161--10168",

journal = "Journal of Materials Chemistry A",

issn = "2050-7488",

publisher = "Royal Society of Chemistry",

number = "26",

}

TY - JOUR

T1 - Graphitized porous carbon microspheres assembled with carbon black nanoparticles as improved anode materials in Li-ion batteries

AU - Zhang, Lei

AU - Zhang, Meiju

AU - Wang, Yanhong

AU - Zhang, Zailei

AU - Kan, Guangwei

AU - Wang, Cunguo

AU - Zhong, Ziyi

AU - Su, Fabing

PY - 2014/7/14

Y1 - 2014/7/14

N2 - We report the facile preparation of graphitized porous carbon microspheres (GPCMs) by the spray drying technique using carbon black (CB) nanoparticles as the primary carbon resource and sucrose as the binder, followed by graphitization at 2800 °C. The samples were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption, thermogravimetric analysis, and Raman spectroscopy. It is found that the GPCMs with a size of 5-20 μm delivered a reversible capacity of 459 mA h g-1 at the current density of 50 mA g-1 after 100 cycles, much higher than that of the commercial graphite microspheres (GMs) (372 mA h g-1). More importantly, GPCMs exhibited excellent rate performances with a capacity of 338 and 300 mA h g-1 at the current densities of 500 and 1000 mA g-1 respectively, superior to those of GMs (200 and 100 mA h g-1). The excellent electrochemical properties of GPCMs originate from its unique structure, which is composed of core-shell nanoparticles with the graphitized carbon core derived from CB nanoparticles and the hard carbon shell generated from sucrose, providing more lithium ion storage sites, higher electronic conductivity, and fast ion diffusion. This work opens a simple way to large-scale production of new carbon anode materials with a low cost and good performance for Li-ion batteries. 2014 This journal is

AB - We report the facile preparation of graphitized porous carbon microspheres (GPCMs) by the spray drying technique using carbon black (CB) nanoparticles as the primary carbon resource and sucrose as the binder, followed by graphitization at 2800 °C. The samples were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption, thermogravimetric analysis, and Raman spectroscopy. It is found that the GPCMs with a size of 5-20 μm delivered a reversible capacity of 459 mA h g-1 at the current density of 50 mA g-1 after 100 cycles, much higher than that of the commercial graphite microspheres (GMs) (372 mA h g-1). More importantly, GPCMs exhibited excellent rate performances with a capacity of 338 and 300 mA h g-1 at the current densities of 500 and 1000 mA g-1 respectively, superior to those of GMs (200 and 100 mA h g-1). The excellent electrochemical properties of GPCMs originate from its unique structure, which is composed of core-shell nanoparticles with the graphitized carbon core derived from CB nanoparticles and the hard carbon shell generated from sucrose, providing more lithium ion storage sites, higher electronic conductivity, and fast ion diffusion. This work opens a simple way to large-scale production of new carbon anode materials with a low cost and good performance for Li-ion batteries. 2014 This journal is

UR - http://www.scopus.com/inward/record.url?scp=84902248753&partnerID=8YFLogxK

U2 - 10.1039/c4ta00356j

DO - 10.1039/c4ta00356j

M3 - 文章

AN - SCOPUS:84902248753

SN - 2050-7488

VL - 2

SP - 10161

EP - 10168

JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

IS - 26

ER -

Graphitized porous carbon microspheres assembled with carbon black nanoparticles as improved anode materials in Li-ion batteries

Abstract

UN SDGs

Access to Document

Other files and links

Fingerprint

Cite this