ORCID Profile
0000-0002-6401-276X
Current Organisation
Shandong University
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Publisher: Royal Society of Chemistry (RSC)
Date: 26-08-2014
DOI: 10.1039/C4TA04321A
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D1TA09516A
Abstract: TiO 2 is used as a model to illustrate the binder chemistry in ethers by polyvinylidene difluoride (PVdF) and sodium carboxymethyl cellulose (CMC). The worse performance of PVdF is due to the defluorination reaction and the adhesion loss.
Publisher: Elsevier BV
Date: 02-2014
Publisher: American Chemical Society (ACS)
Date: 08-12-2017
Abstract: Flower-like assembly of ultrathin nanosheets composed of anatase and bronze TiO
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5TA06080J
Abstract: Triple-walled SnO 2 @N-doped carbon@SnO 2 nanotubes combine the good electronic conductivity and hollow structure from N-doped carbon, and the high-density loading from SnO 2 nanoparticles, achieving superior electrochemical performance for lithium and sodium storage.
Publisher: Elsevier BV
Date: 08-2016
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5RA07394D
Abstract: Mn 3 O 4 @C core–shell nanorods present 765 mA h g −1 after 100 cycles at a current density of 500 mA g −1 .
Publisher: Elsevier BV
Date: 05-2022
Publisher: Wiley
Date: 29-02-2016
Abstract: Double-walled Sb@TiO2- x nanotubes take full advantage of the high capacity of Sb, the good stability of TiO2- x , and their unique interaction, realizing excellent electrochemical performance both in lithium-ion batteries and sodium-ion batteries.
Publisher: Wiley
Date: 22-12-2022
Abstract: The applications of alloy‐type anode materials for Na‐ion batteries are always obstructed by enormous volume variation upon cycles. Here, K + ions are introduced as an electrolyte additive to improve the electrochemical performance via electrostatic shielding, using Sn microparticles (μ‐Sn) as a model. Theoretical calculations and experimental results indicate that K + ions are not incorporated in the electrode, but accumulate on some sites. This accumulation slows down the local sodiation at the “hot spots”, promotes the uniform sodiation and enhances the electrode stability. Therefore, the electrode maintains a high specific capacity of 565 mAh g −1 after 3000 cycles at 2 A g −1 , much better than the case without K + . The electrode also remains an areal capacity of ≈3.5 mAh cm −2 after 100 cycles. This method does not involve time‐consuming preparation, sophisticated instruments and expensive reagents, exhibiting the promising potential for other anode materials.
Publisher: Royal Society of Chemistry (RSC)
Date: 27-08-2014
DOI: 10.1039/C4TA03924F
Publisher: Elsevier BV
Date: 03-2011
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D1EE01341F
Abstract: The “host” modification strategy can guide homogeneous Na deposition, suppress dendrite formation and mitigate volume fluctuation. This work reviews the research progress of various skeleton materials for sodium metal anodes in recent years.
Publisher: Wiley
Date: 03-0066
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5TA00828J
Abstract: Porous MnFe 2 O 4 microrods exhibit 630 mA h g −1 after 1000 cycles at 1 A g −1 and high coulombic efficiency ( %).
Publisher: Elsevier BV
Date: 10-2011
Publisher: Elsevier BV
Date: 11-2015
Publisher: American Chemical Society (ACS)
Date: 08-05-2015
Abstract: Rational design and delicate control on the component, structure, and surface of electrodes in lithium ion batteries are highly important to their performances in practical applications. Compared with various components and structures for electrodes, the choices for their surface are quite limited. The most widespread surface for numerous electrodes, a carbon shell, has its own issues, which stimulates the desire to find another alternative surface. Here, hydrogenated TiO2 is exemplified as an appealing surface for advanced anodes by the growth of ultrathin hydrogenated TiO2 branches on Mn3O4 nanorods. High theoretical capacity of Mn3O4 is well matched with low volume variation (∼4%), enhanced electrical conductivity, good cycling stability, and rate capability of hydrogenated TiO2, as demonstrated in their electrochemical performances. The proof-of-concept reveals the promising potential of hydrogenated TiO2 as a next-generation material for the surface in high-performance hybrid electrodes.
Publisher: American Chemical Society (ACS)
Date: 04-02-2022
DOI: 10.1021/ACS.NANOLETT.1C04975
Abstract: Metallic Zn as a promising anode material of aqueous batteries suffers from severe parasitic reactions and notorious dendrite growth. To address these issues, the desolvation and nucleation processes need to be carefully regulated. Herein, Zn foils coated by ZnF
Publisher: Wiley
Date: 22-12-2022
Abstract: The applications of alloy‐type anode materials for Na‐ion batteries are always obstructed by enormous volume variation upon cycles. Here, K + ions are introduced as an electrolyte additive to improve the electrochemical performance via electrostatic shielding, using Sn microparticles (μ‐Sn) as a model. Theoretical calculations and experimental results indicate that K + ions are not incorporated in the electrode, but accumulate on some sites. This accumulation slows down the local sodiation at the “hot spots”, promotes the uniform sodiation and enhances the electrode stability. Therefore, the electrode maintains a high specific capacity of 565 mAh g −1 after 3000 cycles at 2 A g −1 , much better than the case without K + . The electrode also remains an areal capacity of ≈3.5 mAh cm −2 after 100 cycles. This method does not involve time‐consuming preparation, sophisticated instruments and expensive reagents, exhibiting the promising potential for other anode materials.
Publisher: Springer Science and Business Media LLC
Date: 04-03-2017
Publisher: Wiley
Date: 21-04-2017
Publisher: Wiley
Date: 21-01-2022
DOI: 10.1002/CEY2.163
Abstract: Molybdenum disulfide/carbon nanotubes assembled by ultrathin nanosheets are synthesized to illustrate the electrolyte salt chemistry via potassium bis‐(fluorosulfonyl)imide (KFSI) versus potassium hexafluorophosphate (KPF 6 ). Compared to the case of KPF 6 , the electrochemical performances using KFSI as the electrolyte salt are greatly improved: ~275 mAh g −1 after 15,000 cycles at 1 A g −1 , or ~172 mAh g −1 even at 40 A g −1 . These results represent one of the best performances for the reported anode materials. The enhanced performances could be attributed to the FSI‐induced changes in the solvate structures, that is, a large solvation energy, a high lowest unoccupied molecular orbital, and a small bonding dissociation energy of S–F. In this case, a uniform and robust solid–electrolyte interphase (SEI) is produced, improving the mechanical properties and the interface integrity. Then, the uncontrollable fracture and repeated growth of SEI, which always lead to the dissolution of sulfur species and the blockage of charge transfer in the case of KPF 6 , are well inhibited. This similar enhancement works for other sulfides by KFSI, demonstrating the general importance of this electrolyte salt chemistry.
Publisher: Elsevier BV
Date: 12-2014
Publisher: Elsevier BV
Date: 05-2014
Publisher: Wiley
Date: 13-12-2022
Abstract: Sodium‐ion batteries show promising potential for large‐scale energy storage. However, the large size and heavy mass of Na + always results in huge volume change and inferior electrochemical stability, especially in alloy‐type anode materials. Here, molecular engineering of the polymer binders, i.e., cross‐linking of poly(acrylic acid) with glycerin (PAA‐GLY), reinforces the mechanical properties, eliminates the active protons of PAA, and benefits electrolyte diffusion, thereby remarkably improving electrochemical performance. Using µ‐Sn as an ex le, the cycle life at 2 A g −1 is extended from ≈26 cycles of PAA to ≈2000 cycles of PAA‐GLY. Meanwhile, the initial Coulombic efficiency is promoted to 90.3%, allowing the fabrication step of electrode presodiation for full cells to be eliminated. Thus, the full cells run 300 cycles at 2 A g −1 . In addition, the binder allows the thick electrode to exhibit an areal capacity of 6.8 mAh cm −2 . This binder is also applied for µ‐Bi and µ‐Sb. The simple operation, remarkable improvement, and wide applications indicate the promising prospects of this strategy for advanced electrodes in sodium ion batteries.
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D1EE03624F
Abstract: The intercalation of n -butylamine into layer-structured α -ZrP benefits the formation of a dense layer, reduces the transfer barrier of Zn 2+ and increases the local concentration of Zn 2+ , leading to enhanced electrochemical performances for Zn anodes.
Publisher: American Chemical Society (ACS)
Date: 30-12-2016
Abstract: Development of high energy ower density and long cycle life of anode materials is highly desirable for sodium ion batteries, because graphite anode cannot be used directly. Sb stands out from the potential candidates, due to high capacity, good electronic conductivity, and moderate sodiation voltage. Here, one-dimensional yolk-shell Sb@Ti-O-P nanostructures are synthesized by reducing core-shell Sb
Publisher: Elsevier BV
Date: 07-2010
No related grants have been discovered for Jian Yang.