NiCo2O4 bricks as anode materials with high lithium storage property

MRS Advances ◽  
2019 ◽  
Vol 4 (33-34) ◽  
pp. 1861-1868 ◽  
Author(s):  
Hui Wang ◽  
Youning Gong ◽  
Delong Li ◽  
Qiang Fu ◽  
Chunxu Pan
Keyword(s):  
Lithium Ion Battery ◽  
Anode Material ◽  
Current Density ◽  
Large Scale ◽  
Lithium Ion ◽  
Cost Effective ◽  
Reversible Capacity ◽  
High Rate ◽  
High Porosity ◽  
Lithium Storage

ABSTRACTIn this study, a novel brick-like NiCo2O4 material was synthesized via a facile hydrothermal method. The as-prepared NiCo2O4 material possessed high porosity with the BET specific surface area of 58.33 m2/g, and its pore size distribution was in a range of 5-15 nm with a dominant pore diameter of 10.7 nm. The electrochemical performance of the NiCo2O4 was further investigated as anode material for lithium-ion battery. The NiCo2O4 anode possessed a high lithium storage capacity up to 2353.0 mAh/g at the current density of 100 mA/g. Even at the high rate of 1 A/g, a reversible capacity of ∼600 mAh/g was still retained, and an average discharge capacity of ∼1145 mAh/g could be recovered when the current density was reduced back to 150 mA/g. Due to the simple and cost-effective process, the NiCo2O4 bricks anode material shows great potential for further large-scale applications on the area of lithium-ion battery.

scholarly journals Fe3O4 Hollow Nanosphere-Coated Spherical-Graphite Composites: A High-Rate Capacity and Ultra-Long Cycle Life Anode Material for Lithium Ion Batteries

Nanomaterials ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 996 ◽  
Author(s):  
Jiang ◽  
Yan ◽  
Du ◽  
Kang ◽  
Du ◽  
...  
Keyword(s):  
Anode Material ◽  
Specific Capacity ◽  
High Capacity ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
High Rate ◽  
Lithium Storage ◽  
Synthesis Strategy ◽  
Spherical Graphite ◽  
Fe3o4 Nanospheres

The spherical-graphite/Fe3O4 composite has been successfully fabricated by a simple two-step synthesis strategy. The oxygenous functional groups between spherical-graphite and Fe3O4 benefit the loading of hollow Fe3O4 nanospheres. All of the composites as anodes for half cells show higher lithium storage capacities and better rate performances in comparison with spherical-graphite. The composite containing 39 wt% of hollow Fe3O4 nanospheres exhibits a high reversible capacity of 806 mAh g−1 up to 200 cycles at 0.5 A g−1. When cycled at a higher current density of 2 A g−1, a high charge capacity of 510 mAh g−1 can be sustained, even after 1000 long cycles. Meanwhile, its electrochemical performance for full cells was investigated. When matching with LiCoO2 cathode, its specific capacity can remain at 137 mAh g−1 after 100 cycles. The outstanding lithium storage performance of the spherical-graphite/Fe3O4 composite may depend on the surface modification of high capacity hollow Fe3O4 nanospheres. This work indicates that the spherical-graphite/Fe3O4 composite is one kind of prospective anode material in future energy storage fields.

Electrochemical Performance of Hollow α-Fe2O3 Spheres as Anode Material for Lithium-ion Battery

2011 ◽  
Vol 15 (1) ◽  
pp. 1-4
Author(s):  
Zhijia Du ◽  
Shichao Zhang ◽  
Zhiming Bai ◽  
Tao Jiang ◽  
Guanrao Liu
Keyword(s):  
Electron Microscopy ◽  
Lithium Ion Battery ◽  
Anode Material ◽  
Retention Rate ◽  
Hollow Spheres ◽  
Hollow Structure ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Lithium Storage ◽  
Ion Migration

α-Fe2O3 spheres were synthesized by a facile hydrothermal method followed by a calcination step. The crystalline structure and morphology of the synthesized materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The morphology of the sample consisted of porous hollow spheres that ranged about hundreds of nanometers and were composed of well crystallized nanoparticles about a dozen nm. The electrochemical properties of the sample were evaluated by cyclic voltammetry (CV) and charge/discharge measurements. The discharge/charge capacities in the first cycle achieved 1336/934 mAh g-1 at the rate of 0.2 C. The reversible capacity in the 50th cycle remained 840 mAh g-1 with impressive retention rate of 90%. This good lithium storage property was probably ascribed to the porous and hollow structure and nanoscale α-Fe2O3 particles, which enlarged the surface area and shortened the pathway for lithium ion migration. The appealing electrochemical capability indicated the potential implementation of hollow Fe2O3 spheres as anode material for future lithium-ion battery.

High Lithium Insertion Voltage Single-Crystal H2 Ti12 O25 Nanorods as a High-Capacity and High-Rate Lithium-Ion Battery Anode Material

ChemSusChem ◽  
2017 ◽  
Vol 11 (1) ◽  
pp. 299-310 ◽  
Author(s):  
Qiang Guo ◽  
Li Chen ◽  
Zizhao Shan ◽  
Wee Siang Vincent Lee ◽  
Wen Xiao ◽  
...  
Keyword(s):  
Single Crystal ◽  
Lithium Ion Battery ◽  
Anode Material ◽  
High Capacity ◽  
Lithium Ion ◽  
High Rate ◽  
Lithium Insertion ◽  
Battery Anode

An experimental and computational study to understand the lithium storage mechanism in molybdenum disulfide

Nanoscale ◽  
2014 ◽  
Vol 6 (17) ◽  
pp. 10243-10254 ◽  
Author(s):  
Uttam Kumar Sen ◽  
Priya Johari ◽  
Sohini Basu ◽  
Chandrani Nayak ◽  
Sagar Mitra
Keyword(s):  
Experimental Evidence ◽  
Lithium Ion Battery ◽  
Computational Study ◽  
Lithium Ion ◽  
Elemental Sulphur ◽  
High Rate ◽  
Discharge Process ◽  
Lithium Storage ◽  
Storage Mechanism ◽  
Battery Anode

Experimental evidence and theoretical correlation of the formation of elemental sulphur during the discharge process of MoS2, a high rate lithium ion battery anode.

SnS 2 /graphene nanocomposite: A high rate anode material for lithium ion battery

2017 ◽  
Vol 28 (2) ◽  
pp. 324-328 ◽  
Author(s):  
Wei Wei ◽  
Fang-Fang Jia ◽  
Ke-Feng Wang ◽  
Peng Qu
Keyword(s):  
Lithium Ion Battery ◽  
Anode Material ◽  
Lithium Ion ◽  
High Rate ◽  
Graphene Nanocomposite

scholarly journals Nitrogen-Doped Porous Co3O4/Graphene Nanocomposite for Advanced Lithium-Ion Batteries

Nanomaterials ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. 1253 ◽  
Author(s):  
Huihui Zeng ◽  
Baolin Xing ◽  
Lunjian Chen ◽  
Guiyun Yi ◽  
Guangxu Huang ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Anode Material ◽  
Self Assembly ◽  
Active Sites ◽  
Large Scale ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Co3o4 Nanoparticles ◽  
Nitrogen Doped ◽  
Novel Approach

A novel approach is developed to synthesize a nitrogen-doped porous Co3O4/anthracite-derived graphene (Co3O4/AG) nanocomposite through a combined self-assembly and heat treatment process using resource-rich anthracite as a carbonaceous precursor. The nanocomposite contains uniformly distributed Co3O4 nanoparticles with a size smaller than 8 nm on the surface of porous graphene, and exhibits a specific surface area (120 m2·g−1), well-developed mesopores distributed at 3~10 nm, and a high level of nitrogen doping (5.4 at. %). These unique microstructure features of the nanocomposite can offer extra active sites and efficient pathways during the electrochemical reaction, which are conducive to improvement of the electrochemical performance for the anode material. The Co3O4/AG electrode possesses a high reversible capacity of 845 mAh·g−1 and an excellent rate capacity of 587 mAh·g−1. Furthermore, a good cyclic stability of 510 mAh·g−1 after 100 cycles at 500 mA·g−1 is maintained. Therefore, this work could provide an economical and effective route for the large-scale application of a Co3O4/AG nanocomposite as an excellent anode material in lithium-ion batteries.

Unusual Formation of ZnCo2O43D Hierarchical Twin Microspheres as a High-Rate and Ultralong-Life Lithium-Ion Battery Anode Material

2014 ◽  
Vol 24 (20) ◽  
pp. 3012-3020 ◽  
Author(s):  
Jing Bai ◽  
Xiaogang Li ◽  
Guangzeng Liu ◽  
Yitai Qian ◽  
Shenglin Xiong
Keyword(s):  
Lithium Ion Battery ◽  
Anode Material ◽  
Lithium Ion ◽  
High Rate ◽  
Battery Anode ◽  
Unusual Formation

Encapsulating silicon nanoparticles into N-doped carbon film as a high-performance anode for lithium ion batteries

2018 ◽  
Vol 11 (04) ◽  
pp. 1850067 ◽  
Author(s):  
Zheng Xing ◽  
Chunlai Huang ◽  
Yichen Deng ◽  
Yulong Zhao ◽  
Zhicheng Ju
Keyword(s):  
Current Density ◽  
High Performance ◽  
Large Scale ◽  
Silicon Nanoparticles ◽  
Specific Capacity ◽  
Carbon Film ◽  
Lithium Ion ◽  
Fast Diffusion ◽  
Lithium Storage ◽  
Si Nanoparticles

A flexible strategy is to exploit encapsulating Si nanoparticles into N-doping carbon film (Si-NC) that can effectively localize the Si nanoparticles, thereby solving the problem of serious volume change during cycling as well as facilitating the fast diffusion of Li[Formula: see text], and thus achieving improved anode performance. A maximum capacity of 883.1[Formula: see text]mAh[Formula: see text]g[Formula: see text] at the current density of 100[Formula: see text]mA[Formula: see text]g[Formula: see text] after 50 charge and discharge processes is achieved for Si-NC. Even at a large current density of 2000[Formula: see text]mA[Formula: see text]g[Formula: see text], a specific capacity of 415[Formula: see text]mAh[Formula: see text]g[Formula: see text] is maintained. Moreover, the charge capacity can still almost recover the initial capacity as the current density is reverted to 100[Formula: see text]mA[Formula: see text]g[Formula: see text], indicating that Si-NC has a superior rate performance in lithium storage. This facile synthesis route provides a new perspective to produce Si/C composite at a low cost and large scale with good electrochemical performance.

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