ORCID Profile
0000-0002-6595-1670
Current Organisation
Zhejiang University of Technology
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Publisher: Elsevier BV
Date: 06-2019
Publisher: Wiley
Date: 19-01-2017
Publisher: American Chemical Society (ACS)
Date: 18-07-2014
DOI: 10.1021/AM5021233
Abstract: As substitutions for transition metal oxides (MOs), transition metal carbonates (MCO3) have been attracting more and more attention because of their lithium storage ability in recent years. Is MCO3 better than MOs for lithium storage? To answer this question, monodisperse CoCO3 and CoO microspindles with comparable structures were synthesized and investigated as a case study. Excluding its structural effect, we found CoCO3 still exhibited reversible capacities and rate capabilities much higher than those of CoO. The reversible capacity of CoCO3 after 10 cycles was 1065 mAh g(-1), 48.2% higher than that (∼720 mAh g(-1)) of CoO. Furthermore, the greatly different electrochemical behaviors were investigated by analyzing the discharge-charge profiles, cyclic voltammetry curves, and Nyquist plots in depth. This work can improve our understanding of the lithium storage advantages of MCO3 against MOs and enlighten us in terms of developing high-performance MCO3 with favorable structures.
Publisher: Elsevier BV
Date: 05-2020
Publisher: Wiley
Date: 05-06-2020
Publisher: Elsevier BV
Date: 2019
Publisher: Wiley
Date: 11-12-2017
Publisher: Royal Society of Chemistry (RSC)
Date: 2014
DOI: 10.1039/C3TA14498D
Publisher: Hindawi Limited
Date: 2015
DOI: 10.1155/2015/401656
Abstract: Ultrathin carbon-coated LiMnPO 4 (ULMP/C) nanoplates were prepared through an ethylene glycol- (EG-) assisted pyrolysis method. Different from most of LiMnPO 4 /C works, the obtained ULMP/C possessed relatively small particle size (less than 50 nm in thickness) and preferable carbon coating (~1 nm in thickness, 2 wt.%). As a reference, LiMnPO 4 /C (LMP/C) composites were also fabricated via the traditional hydrothermal method. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS), thermogravimetric analysis (TG), galvanostatic charge-discharge, and cyclic voltammetry (CV) were performed to characterize the crystalline phase, morphology, structure, carbon content, and electrochemical behaviors of s les. The electrochemical performance of bare and carbon-coated LiMnPO 4 was evaluated as cathodes in lithium ion batteries. As a result, the obtained ULMP/C nanoplates demonstrated much higher reversible capacities (110.9 mAh g −1 after 50 cycles at 0.1 C) and rate performances than pure LMP and LMP/C composites. This facile and efficient EG-assisted pyrolysis method can enlighten us on exploiting advanced routes to modify active materials with ultrathin and homogeneous carbon layers.
Publisher: Wiley
Date: 02-09-2015
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5CP01954K
Abstract: This work discloses a novel synthesis method for yolk–shell Si@void@C nanocomposites as high-performance anodes in lithium ion batteries.
Publisher: American Chemical Society (ACS)
Date: 13-12-2016
Abstract: The challenging problems of SnO
Publisher: Wiley
Date: 20-03-2015
Publisher: Wiley
Date: 06-2016
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C7RA02214J
Abstract: Well-proportioned PANI-derived carbon shells effectively limit the agglomeration of Cu 6 Sn 5 nanocores and hence present extraordinary lithium storage performances.
Publisher: Elsevier BV
Date: 04-2016
Publisher: Wiley
Date: 18-11-2019
Publisher: Elsevier BV
Date: 02-2020
Publisher: Elsevier BV
Date: 02-2017
Publisher: Elsevier BV
Date: 12-2021
Publisher: Wiley
Date: 03-2019
Abstract: In this work, we introduce Ni nanopyramid arrays (NPAs) supported amorphous Ge anode architecture and demonstrate its effective improvement in sodium storage properties. The Ni−Ge NPAs are prepared by facile electrodeposition and sputtering method, which eliminates the need for any binder or conductive additive when used as a Na‐ion battery anode. The electrodes display stable cycling performance and enhanced rate capabilities in contrast with planar Ge electrodes, which can be owing to the rational design of the architectured electrodes and firm bonding between current collector and active material (i. e. Ni and Ge, respectively). To validate improvement of nanostructures on electrochemical performance, sodium insertion behavior of crystalline Ge derived from Mg 2 Ge precursor has been investigated, in which limited but effective enhancement of sodium storage properties are realized by introducing porous nanostructure in crystalline Ge. These results show that elaborately designed configuration of Ge electrodes may be a promising anode for Na‐ion battery applications.
Publisher: Wiley
Date: 07-04-2015
Publisher: Elsevier BV
Date: 08-2018
Publisher: Wiley
Date: 26-07-2020
Publisher: Elsevier BV
Date: 03-2020
No related grants have been discovered for Lianbang Wang.