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Title: Mesoporous CNT@TiO2-C Nanocable with Extremely Durable High Rate Capability for Lithium-Ion Battery Anodes

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep03729· OSTI ID:1624683
 [1];  [2];  [1];  [1];  [3];  [3]
  1. China Academy of Engineering Physics, Sichuan (China). Inst. of Chemical Materials; Sichaun Resarch Center of New Materials (China)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Science Division
  3. China Academy of Engineering Physics, Sichuan (China). Inst. of Chemical Materials
+ Show Author Affiliations

A well-designed nanostructure CNT@TiO2-C with fine anatase TiO2 particle (, 8 nm), good electronic conducting network (inner CNT core and outer carbon layer), and mesoporous structure was prepared by a simple and green one-pot hydrothermal reaction. The utilization of glucose in the hydrothermal process not only solves the interfacial incompatibility between CNTs and titanate sol and controls the nucleation and growth of TiO2 particles, but also introduces a uniform, glucose-derived, carbon-layer on the TiO2 particles. The nanosized TiO2 particle, high conducting network, and interconnected nanopores of the CNT@TiO2-C nanocable greatly improve its electrochemical performances, especially rate capability. The CNT@TiO2-C nanocables show remarkable rate capability with reversible charge capacity of 297, 240, 210,178 and 127 mAh g21 at 1C, 5C, 10C, 20C and 50C, respectively, as well as excellent high rate cycling stability with capacity retention of 87% after 2000 cycles at 50C.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1624683
Journal Information:
Scientific Reports, Vol. 4, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (18)

Mesoporous TiO 2 -Sn/C Core-Shell Nanowire Arrays as High-Performance 3D Anodes for Li-Ion Batteries journal May 2014
A Review on Design Strategies for Carbon Based Metal Oxides and Sulfides Nanocomposites for High Performance Li and Na Ion Battery Anodes journal December 2016
Understanding the Cyclic (In)stability and the Effects of Presence of a Stable Conducting Network on the Electrochemical Performances of Na 2 Ti 3 O 7 journal February 2018
Ethers as Oxygen Donor and Carbon Source in Non-hydrolytic Sol-Gel: One-Pot, Atom-Economic Synthesis of Mesoporous TiO 2 -Carbon Nanocomposites journal March 2018
TiO 2 Nanomaterials as Anode Materials for Lithium-Ion Rechargeable Batteries journal July 2015
Thermal properties and electric modulus approach to the analysis of dielectric relaxation of nanocomposites based on carbon dots journal June 2019
Hexagonal hollow mesoporous TiO2/carbon composite as an advanced anode material for lithium-ion batteries journal May 2019
CNTs–C@TiO2 composites with 3D networks as anode material for lithium/sodium ion batteries journal August 2018
Improving lithium storage of size-controllable nanostructured anatase, directed by an artificial protein genetically displayed on the surface of Escherichia coli journal September 2018
One-pot synthesized mesoporous C-TiO2 hybrid for Ru-catalyzed low-temperature hydrogenation of benzoic acid journal February 2019
TiO2 nanotubes wrapped with reduced graphene oxide as a high-performance anode material for lithium-ion batteries journal November 2016
Carbon dots supported upon N-doped TiO 2 nanorods applied into sodium and lithium ion batteries journal January 2015
Direct self-assembly of Fe 2 O 3 /reduced graphene oxide nanocomposite for high-performance lithium-ion batteries journal January 2015
TiO 2 as an active or supplemental material for lithium batteries journal January 2016
Low Temperature Vacuum Synthesis of Triangular CoO Nanocrystal/Graphene Nanosheets Composites with Enhanced Lithium Storage Capacity journal May 2015
One-dimensional porous nanofibers of Co3O4 on the carbon matrix from human hair with superior lithium ion storage performance journal July 2015
Graphene-Wrapped Anatase TiO2 Nanofibers as High-Rate and Long-Cycle-Life Anode Material for Sodium Ion Batteries journal September 2015
Template-mediated Synthesis of Hollow Microporous Organic Nanorods with Tunable Aspect Ratio journal August 2016

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