scholarly journals A Self-standing and Binder-free Electrodes Fabricated from Carbon Nanotubes and an Electrodeposited Current Collector Applied in Lithium-ion Batteries

2019 ◽  
Vol 10 (4) ◽  
pp. 373-380
Author(s):  
Erwann Luais ◽  
Adrien Mery ◽  
John Abou-Rjeily ◽  
Joe Sakai ◽  
François Tran-Van ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Lithium Ion Batteries ◽  
Lithium Ion ◽  
Current Collector ◽  
Binder Free

Improved cycling stability of MoS2-coated carbon nanotubes on graphene foam as flexible anodes for lithium-ion batteries

2017 ◽  
Vol 41 (2) ◽  
pp. 588-593 ◽  
Author(s):  
Xiaoxuan Ma ◽  
Xusong Liu ◽  
Jiupeng Zhao ◽  
Jian Hao ◽  
Caixia Chi ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Lithium Ion Batteries ◽  
Electrochemical Behavior ◽  
Lithium Ion ◽  
Cycling Stability ◽  
Graphene Foam ◽  
Binder Free ◽  
Coated Carbon

Flexible binder-free MoS2-coated carbon nanotubes on graphene foam have been produced and this novel composite exhibited enhanced electrochemical behavior.

scholarly journals Rolling Press Enables Electrospun Fibers Based Binder-Free Electrodes with High Stability for Lithium Ion Batteries

2020 ◽  
Author(s):  
Yun Zhao ◽  
Yuqiong Kang ◽  
Changjian Deng ◽  
Xinyi Liu ◽  
Zheng Liang ◽  
...  
Keyword(s):  
Energy Density ◽  
Lithium Ion Batteries ◽  
Specific Capacity ◽  
Lithium Ion ◽  
Current Collector ◽  
High Energy ◽  
High Energy Density ◽  
Universal Method ◽  
Electrospun Membrane ◽  
Binder Free

Abstract With the demand for higher energy density and smaller size lithium-ion batteries (LIBs), the development of high specific capacity active materials and the reduction of the usage of inactive materials are the main directions. Herein, a universal method is developed for binder-free electrodes for excellent stable LIBs by rolling the electrospun membrane directly onto the commercial current collector. The rolling process only makes the fiber web denser without changing the fiber structure, and the fiber web still maintains a porous structure. This strategy significantly improves the structural stability of the membrane compared to the direct carbonized electrospun membrane. Moreover, this method is suitable for a variety of polymerizable adhesive polymers, and each polymer can be composited with different polymers, inorganic salts, etc. The electrode prepared by this method can be stably cycled for more than 2000 cycles at a current density of 2500 mA g-1. This study provides a cost-effective and versatile strategy to design the LIB electrode with high energy density and stability for experimental research and practical application.

Facile Fabrication of Free-Standing and Flexible Anodes Composed of Entangled N-Doped Carbon Nanotubes for Application in Lithium Ion Batteries

NANO ◽  
2020 ◽  
pp. 2150011
Author(s):  
Yihua Tang ◽  
Xinxin Wang ◽  
Jingjing Chen ◽  
Zehua Liu ◽  
Zhiyong Mao ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Lithium Ion Batteries ◽  
Rate Capability ◽  
Lithium Ion ◽  
Current Collector ◽  
Free Standing ◽  
Flexible Battery ◽  
Simple Compression ◽  
Facile Fabrication ◽  
High Flexibility

In this work, innate free-standing and flexible anode composed of entangled N-doped carbon nanotubes (CNTs) is fabricated by a facile annealing method following a simple compression without needing any tedious processing operations. The well cross-linked CNTs of the resultant free-standing anode enable robust diffusion channels for lithium ions and high flexibility. Served as the anode in lithium-ion batteries (LIBs) without the utilization of binder and current collector, the fabricated free-standing electrode can deliver a reversible area capacity of 2.14[Formula: see text]mAh[Formula: see text]cm[Formula: see text] at 1[Formula: see text]mA[Formula: see text]cm[Formula: see text] with superior cycling stability and excellent rate capability. The obtained reversible area capacity for the fabricated free-standing electrode material is much higher than that of the commercial graphite anode ([Formula: see text][Formula: see text]mAh[Formula: see text]cm[Formula: see text] at 1[Formula: see text]mA[Formula: see text]cm[Formula: see text]). Furthermore, the assembled full flexible battery utilizing the fabricated free-standing electrode also exhibits attractive performance and can substantially supply power for an electronic watch at flat and 180∘ bending positions, indicating the promising application in flexible electronic devices.

Sign in / Sign up

Export Citation Format

Share Document