Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Zhigao Yang"'
Autor:
Alowasheeir Azhar, Yusuke Yamauchi, Yinsheng Xu, Jingxian Yu, Zhigao Yang, Zhengnan Wang, Jongbeom Na, Shengping Wang
Publikováno v:
ACS Energy Letters. 6:886-892
Vanadate as intercalation compounds are attracting considerable interest for use in electrochemical energy storage devices, such as lithium-ion batteries, sodium-ion batteries, and zinc-ion batteries. However, the ion transport mechanism in vanadate
Autor:
Yinsheng Xu, Ashok Kumar Nanjundan, Huiling Peng, Shengping Wang, Yusuke Yamauchi, Darren J. Martin, Andreas Bund, Zhigao Yang
Publikováno v:
ChemElectroChem. 6:2456-2463
Pseudocapacitive behavior is usually observed in transition-metal oxide anodes for lithium-ion batteries, such as Co O . It is necessary to develop electrochemical technologies for clarifying the properties of the pseudocapacitance in the electrode r
Autor:
Yimo Xiang, Aboud Ahmed Awadh Bahajjaj, Munirah D. Albaqami, Yuhao Xu, Yusuke Yamauchi, Azhar Alowasheeir, Jongbeom Na, Shengping Wang, Jingxian Yu, Zhigao Yang
Publikováno v:
Chemical Engineering Journal. 430:132700
The capacity densities of hollow nano-corn cob-like cobalt oxide (HNc-Co3O4) during the 1st and 78th cycles in lithium-ion batteries (LIBs) are 1887 and 900 mAh g−1, respectively, with a coulombic efficiency of ∼ 98%. The electrochemical mechanis
Autor:
Yusuke Yamauchi, Yimo Xiang, Jingxian Yu, Shengping Wang, Nanjundan Ashok Kumar, Md. Shahriar A. Hossain, Zhigao Yang
Publikováno v:
Nanoscale. 10:18010-18018
Pseudocapacitance, which is the storage of charge based on continuous and fast reversible redox reactions at the surface of electrode materials, is commonly observed for electrodes in lithium ion batteries, especially for transition metal oxide anode
Publikováno v:
Journal of Materials Chemistry A. 4:18210-18222
LiFePO4 is still a promising cathode, which is inexpensive, nontoxic, environmentally benign, and most importantly safe. However, LiFePO4 suffers from low conductivity and sluggish diffusion of lithium ions. Surface decoration, nanocrystallization an
Publikováno v:
Ionics. 21:2423-2430
Co3O4 microtubes with balsam pear-shaped outer surfaces and void spaces were synthesized by the Kirkendall effect. Intermediate phase Li1.47Co3O4 was detected by X-ray diffraction (XRD) to illustrate the severe volume change during electrode reaction
Publikováno v:
RSC Advances. 5:78017-78025
A novel sulfur–nitrogen co-doped carbon material (SNC), which is obtained by taking polyaniline as the nitrogen-containing carbon precursor and then incorporating sulfur atoms in situ as the matrix material for lithium sulfur batteries, is investig
Publikováno v:
Electrochimica Acta. 106:307-311
Highly ordered mesoporous β-MnO 2 (HMM) was prepared using KIT-6 templates, and mesoporous β-MnO 2 /S (HMM/S) composites with four sulfur content were synthesized by thermally treating a mixture of sublimed sulfur and HMM for use as cathode in Li
Publikováno v:
Energies, Vol 6, Iss 3, Pp 1718-1730 (2013)
Spinel LiMn2O4 is an appealing candidate cathode material for Li-ion rechargeable batteries, but it suffers from severe capacity fading, especially at higher temperature (55 °C) during discharging/charging. In recent years, many attempts have been m
Publikováno v:
Energies; Volume 6; Issue 7; Pages: 3466-3480
Energies, Vol 6, Iss 7, Pp 3466-3480 (2013)
Energies, Vol 6, Iss 7, Pp 3466-3480 (2013)
A novel technique to prepare carbon/sulfur composites as cathode materials for Li/S batteries is proposed, which we call the ‘solution evaporation concentration crystallization’ method. Three composites with different S loadings were prepared, su