Functionalized Carbonaceous Materials as Cathode for Lithium-Ion Batteries

MRS Advances ◽  
2016 ◽  
Vol 1 (45) ◽  
pp. 3037-3042 ◽  
Author(s):  
Hai Zhong ◽  
Chunhua Wang ◽  
Zhibin Xu ◽  
Fei Ding ◽  
Xingjiang Liu
Keyword(s):  
Activated Carbon ◽  
High Performance ◽  
Carbon Materials ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Carbon Particles ◽  
Ion Storage ◽  
Activated Carbon Particles ◽  
Storage Buffer ◽  
A Current

ABSTRACTActivated carbon materials are integrated into functionalization of graphene nano-sheets to serve as a high-power lithium cathode. The electrochemical performance shows that the composite displays the highest reversible capacity (c. 170 mAh g-1) comparing with functionalized graphene and activated carbon. Also, approximately 92% of its capacity can be retained after 4,000 cycles at a current of 1 A g-1. Moreover, the composite exhibits an excellent rate performance, a reversible capacity of 90 mAh g-1 even at 6 A g-1, which corresponds to the power density of 15.2 kW kg-1 and energy density of 227 Wh kg-1, respectively. The high performance of this composite can be attributed to the fact that the activated carbon particles not only reduce the graphene sheet stacking thus making it easier for ions to diffuse, but also act as an ion storage buffer against accelerating electron transfer.

scholarly journals Enhanced Electrochemical Performances of Hollow-Structured N-Doped Carbon Derived from a Zeolitic Imidazole Framework (ZIF-8) Coated by Polydopamine as an Anode for Lithium-Ion Batteries

Energies ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2436
Author(s):  
Da-Won Lee ◽  
Achmad Yanuar Maulana ◽  
Chaeeun Lee ◽  
Jungwook Song ◽  
Cybelle M. Futalan ◽  
...  
Keyword(s):  
Carbon Materials ◽  
Hollow Structure ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Electrical Performance ◽  
Electrochemical Performances ◽  
Effective Surface ◽  
Voltage Range ◽  
Hollow Structures ◽  
A Current

Doping heteroatoms such as nitrogen (N) and boron (B) into the framework of carbon materials is one of the most efficient methods to improve the electrical performance of carbon-based electrodes. In this study, N-doped carbon has been facilely synthesized using a ZIF-8/polydopamine precursor. The polyhedral structure of ZIF-8 and the effective surface-coating capability of dopamine enabled the formation of N-doped carbon with a hollow structure. The ZIF-8 polyhedron served as a sacrificial template for hollow structures, and dopamine participated as a donor of the nitrogen element. When compared to ZIF-8-derived carbon, the HSNC electrode showed an improved reversible capacity of approximately 1398 mAh·g−1 after 100 cycles, with excellent cycling retention at a voltage range of 0.01 to 3.0 V using a current density of 0.1 A·g−1.

Synthesis of Nitrogen and Phosphorus Dual-Doped Graphene Oxide as High-Performance Anode Material for Lithium-Ion Batteries

2020 ◽  
Vol 20 (12) ◽  
pp. 7673-7679
Author(s):  
Ke Wang ◽  
Zhi Li
Keyword(s):  
Graphene Oxide ◽  
Lithium Ion Batteries ◽  
Anode Material ◽  
High Performance ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Nitrogen And Phosphorus ◽  
Xrd Pattern ◽  
Ion Storage ◽  
Doped Graphene

Nitrogen and phosphorus dual-doped graphene oxide was prepared by directly calcining a mixture of pure graphene oxide, urea (nitrogen source), and 1,2-bis(diphenylphosphino)methane (phosphorous source). The morphology and composition of the obtained dual-doped graphene oxide were confirmed by SEM, TEM, XRD pattern, Raman spectrum, and XPS. The nitrogen and phosphorous dual-doped graphene oxide was tested as an anode material of lithium-ion batteries (LIBs). The cycle and rate performance of the dual-doped graphene oxide were also examined. The dualdoped graphene oxide exhibited a superior initial discharge capacity of 2796 mAh·g−1 and excellent reversible capacity of 1200 mAh·g−1 at a current density of 100 mA·g−1 after 200 charge/discharge cycles, suggesting that the dual-doping of nitrogen and phosphorous is an effective way to enhance lithium-ion storage for graphene oxide.

ULTRATHIN Li4Ti5O12 NANOSHEETS AS A HIGH PERFORMANCE ANODE FOR Li-ION BATTERY

2011 ◽  
Vol 04 (04) ◽  
pp. 389-393 ◽  
Author(s):  
ZHENSHENG HONG ◽  
TONGBIN LAN ◽  
FUYU XIAO ◽  
HUIXING ZHANG ◽  
MINGDENG WEI
Keyword(s):  
Anode Materials ◽  
High Performance ◽  
Discharge Rate ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Voltage Range ◽  
Titanate Nanowires ◽  
Li Ion ◽  
First Time ◽  
A Current

Ultrathin Li 4 Ti 5 O 12 (LTO) nanosheets were successfully synthesized for the first time using the ultrathin titanate nanowires as a precursor. The synthesized Li 4 Ti 5 O 12 nanosheets have a large surface area of 159.2m2g-1 and their thickness was found to be ca. 5–7 nm. These nanosheets were highly crystalline and used as anode materials in rechargeable lithium-ion batteries. A stable capacity of 150 mAhg-1 for LTO nanosheets can be retained after 70 cycles at a current density of 1 Ag-1 in the voltage window of 2.5–1.0 V. It is notable that a large capacity of 267.5 mAhg-1 was obtained at the second discharge and 166 mAhg-1 can be retained after 70 cycles at 1 Ag-1 in the voltage range of 2.5–0.02 V. These results indicate that the anode materials made of spinel LTO nanosheets displayed a large reversible capacity at a high charge/discharge rate.

scholarly journals Flake (NH4)6Mo7O24/Polydopamine as a High Performance Anode for Lithium Ion Batteries

Materials ◽  
2021 ◽  
Vol 14 (5) ◽  
pp. 1115
Author(s):  
Ying Xie ◽  
Xiang Xiong ◽  
Kai Han
Keyword(s):  
Lithium Ion Batteries ◽  
Discharge Capacity ◽  
Current Density ◽  
High Performance ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Ammonium Molybdate ◽  
Drying Methods ◽  
Lithium Storage ◽  
A Current

Ammonium molybdate tetrahydrate ((NH4)6Mo7O24) (AMT) is commonly used as the precursor to synthesize Mo-based oxides or sulfides for lithium ion batteries (LIBs). However, the electrochemical lithium storage ability of AMT itself is unclear so far. In the present work, AMT is directly examined as a promising anode material for Li-ion batteries with good capacity and cycling stability. To further improve the electrochemical performance of AMT, AMT/polydopamine (PDA) composite was simply synthesized via recrystallization and freeze drying methods. Unlike with block shape for AMT, the as-prepared AMT/PDA composite shows flake morphology. The initial discharge capacity of AMT/PDA is reached up to 1471 mAh g−1. It delivers a reversible discharge capacity of 702 mAh g−1 at a current density of 300 mA g−1, and a stable reversible capacity of 383.6 mA h g−1 is retained at a current density of 0.5 A g−1 after 400 cycles. Moreover, the lithium storage mechanism is fully investigated. The results of this work could potentially expand the application of AMT and Mo-based anode for LIBs.

Assembly of MnO2 nanowires@reduced graphene oxide hybrid with an interconnected structure for a high performance lithium ion battery

RSC Advances ◽  
2014 ◽  
Vol 4 (97) ◽  
pp. 54416-54421 ◽  
Author(s):  
Zhangpeng Li ◽  
Jinqing Wang ◽  
Zhaofeng Wang ◽  
Yongbing Tang ◽  
Chun-Sing Lee ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
High Performance ◽  
Rate Capability ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
High Reversible Capacity ◽  
Reduced Graphene ◽  
Interconnected Structure ◽  
A Current ◽  
Mno2 Nanowires

MnO2 nanowires@rGO hybrid delivers a high reversible capacity of 1079 mA h g−1 over 200 cycles at a current density of 500 mA g−1, and excellent rate capability.

2D Coordination Polymer Derived Co3O4Nanocrystals as High Performance Anode Material of Lithium-Ion Batteries

NANO ◽  
2018 ◽  
Vol 13 (12) ◽  
pp. 1850139 ◽  
Author(s):  
Hao Wen ◽  
Changdong Shi ◽  
Yuanrui Gao ◽  
Hongren Rong ◽  
Yanyong Sha ◽  
...  
Keyword(s):  
Coordination Polymer ◽  
Lithium Ion Batteries ◽  
Anode Material ◽  
Anode Materials ◽  
High Performance ◽  
Rate Capability ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
One Step ◽  
A Current

Co3O4 nanocrystals have been synthesized via an ordinary one-step calcination of a cobalt-based 2D coordination polymer [Co(tfbdc)(4,4[Formula: see text]-bpy)(H2O)2]. As an anode material for lithium-ion batteries, the obtained Co3O4 nanocrystals exhibit high reversible capacity, excellent cyclic stability and better rate capability. The reversible capacity of the Co3O4 nanocrystals maintains 713[Formula: see text]mA[Formula: see text]h[Formula: see text]g[Formula: see text] after 50 cycles at a current density of 50[Formula: see text]mA[Formula: see text]g[Formula: see text]. Our results confirm that searching for metal oxides nanomaterials used as anode materials of lithium ion batteries via the calcinations of 2D coordination polymer is a new route.

Preparation of TiNb6O17 nanospheres as high-performance anode candidates for lithium-ion storage

2019 ◽  
Vol 374 ◽  
pp. 937-946 ◽  
Author(s):  
Yu Yuan ◽  
Haoxiang Yu ◽  
Xing Cheng ◽  
Runtian Zheng ◽  
Tingting Liu ◽  
...  
Keyword(s):  
High Performance ◽  
Lithium Ion ◽  
Ion Storage

Carbon-free Cu/SbxOy/Sb nanocomposites with yolk-shell and hollow structures as high-performance anodes for lithium-ion storage

2021 ◽  
pp. 160447
Author(s):  
Quoc Hai Nguyen ◽  
Viet Duc Phung ◽  
Weldejewergis Gebrewahid Kidanu ◽  
Yong Nam Ahn ◽  
Tuan Loi Nguyen ◽  
...  
Keyword(s):  
High Performance ◽  
Lithium Ion ◽  
Hollow Structures ◽  
Ion Storage

scholarly journals Effective ion pathways and 3D conductive carbon networks in bentonite host enable stable and high-rate lithium–sulfur batteries

2021 ◽  
Vol 10 (1) ◽  
pp. 20-33
Author(s):  
Lian Wu ◽  
Yongqiang Dai ◽  
Wei Zeng ◽  
Jintao Huang ◽  
Bing Liao ◽  
...  
Keyword(s):  
Network Architecture ◽  
High Performance ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
High Rate ◽  
Lithium Sulfur Batteries ◽  
Carbon Networks ◽  
Carbon Coated ◽  
Lithium Sulfur ◽  
Initial Capacity

Abstract Fast charge transfer and lithium-ion transport in the electrodes are necessary for high performance Li–S batteries. Herein, a N-doped carbon-coated intercalated-bentonite (Bent@C) with interlamellar ion path and 3D conductive network architecture is designed to improve the performance of Li–S batteries by expediting ion/electron transport in the cathode. The interlamellar ion pathways are constructed through inorganic/organic intercalation of bentonite. The 3D conductive networks consist of N-doped carbon, both in the interlayer and on the surface of the modified bentonite. Benefiting from the unique structure of the Bent@C, the S/Bent@C cathode exhibits a high initial capacity of 1,361 mA h g−1 at 0.2C and achieves a high reversible capacity of 618.1 m Ah g−1 at 2C after 500 cycles with a sulfur loading of 2 mg cm−2. Moreover, with a higher sulfur loading of 3.0 mg cm−2, the cathode still delivers a reversible capacity of 560.2 mA h g−1 at 0.1C after 100 cycles.

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