Enhanced Structural Integrity and Electrochemical Performance of AlPO4-Coated MoO2 Anode Material for Lithium-Ion Batteries

López-Pérez, José I.; Ortiz‐Quiles, Edwin O.; Habiba, Khaled; Jiménez-Rodríguez, Mariel; Weiner, Brad R.; Morell, Gerardo

doi:10.1155/2014/359019

Cited by 5 publications

(4 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The R ct and R f values of different samples are summarized in Table . The R f value of FTO/RGO is lower compared with those of the other samples due to the thinner growth of the SEI layer at the electrode/electrolyte interface . For pure SnO 2 in Figure b, the R ct increased to 324.5 Ω after 200 cycles, implying the pulverization of particles and decreased charge transfer kinetics .…”

Section: Results and Discussionsupporting

confidence: 85%

Fluorine-Doped Tin Oxide Nanocrystal/Reduced Graphene Oxide Composites as Lithium Ion Battery Anode Material with High Capacity and Cycling Stability

Shi

Wang

et al. 2015

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

Tin oxide (SnO2) is a kind of anode material with high theoretical capacity. However, the volume expansion and fast capability fading during cycling have prevented its practical application in lithium ion batteries. Herein, we report that the nanocomposite of fluorine-doped tin oxide (FTO) and reduced graphene oxide (RGO) is an ideal anode material with high capacity, high rate capability, and high stability. The FTO conductive nanocrystals were successfully anchored on RGO nanosheets from an FTO nanocrystals colloid and RGO suspension by hydrothermal treatment. As the anode material, the FTO/RGO composite showed high structural stability during the lithiation and delithiation processes. The conductive FTO nanocrystals favor the formation of stable and thin solid electrolyte interface films. Significantly, the FTO/RGO composite retains a discharge capacity as high as 1439 mAhg(-1) after 200 cycles at a current density of 100 mAg(-1). Moreover, its rate capacity displays 1148 mAhg(-1) at a current density of 1000 mAg(-1).

show abstract

Section: Results and Discussionsupporting

confidence: 85%

Fluorine-Doped Tin Oxide Nanocrystal/Reduced Graphene Oxide Composites as Lithium Ion Battery Anode Material with High Capacity and Cycling Stability

Shi

Wang

et al. 2015

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

“…It was speculated that this outcome was caused by the denser packing of particles, which resulted in less interfacial area between the AAM electrode and electrolyte. After cycling, the R ct for both the 0%MO and 100%MO decreased, suggesting interfacial activation from cycling. , The R ct of 75%MO decreased the most to the lowest R ct . As detailed earlier, the 75%MO had the greatest hardness among the 3 AAM electrode compositions.…”

Section: Resultsmentioning

confidence: 94%

“…After cycling, the R ct for both the 0%MO and 100%MO decreased, suggesting interfacial activation from cycling. 62,63 The R ct of 75%MO decreased the most to the lowest R ct . As detailed earlier, the 75%MO had the greatest hardness among the 3 AAM electrode compositions.…”

Section: Cycle Stability Characterizationmentioning

confidence: 96%

Stable Multicomponent Multiphase All Active Material Lithium-Ion Battery Anodes

Cai

Gao

Sun

et al. 2023

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

Due to their high energy density, lithium-ion batteries have been the state-of-the-art energy storage technology for many applications. Energy density can be further improved by engineering of the electrode architecture and microstructure, in addition to more common improvements via materials chemistry. All active material (AAM) electrodes consist of only the electroactive material that stores energy, and such electrodes have advantages to conventional composite processing with regards to improved mechanical stability at increased thicknesses and ion transport properties. However, the absence of binders and composite processing makes the electrode more vulnerable to electroactive materials with volume change upon cycling. Also, the electroactive material must have sufficient electronic conductivity to avoid large matrix electronic overpotentials during electrochemical cycling. TiNb 2 O 7 (TNO) and MoO 2 (MO) are electroactive materials with potential advantages as AAM electrodes due to relatively high volumetric energy density. TNO has higher energy density, and MO has much higher electronic conductivity, and thus a multicomponent blend of these materials was evaluated as an AAM anode. Herein, blends of TNO and MO as AAM anodes were investigated, where this is the first use of a multicomponent AAM anode. Electrodes that had both TNO and MO had the highest volumetric energy density, rate capability, and cycle life relative to single component TNO and MO anodes. Thus, using multicomponent materials provides a route to improve AAM electrochemical systems.

show abstract

“…. Some less‐pronounced peaks were assigned to the AlPO 4 reflection planes . The X‐ray reflection peaks that present a mixture of two pronounced phases are related to the nanocrystalline nature of the films.…”

Section: Resultsmentioning

confidence: 98%

Design and characterization of (Al, C)/p-Ge/p-BN/C isotype resonant electronic devices

Garni

Qasrawi

2015

Phys. Status Solidi A

View full text Add to dashboard Cite

In this work, a Ge/BN isotype electronic device that works as a selective microwave bandstop filter is designed and characterized. The interface is designed using a 50‐μm thick p‐type BN on a 0.2‐μm thick p‐type germanium thin film. The modeling of current–voltage characteristics of the Al/Ge/BN/C channel of the device revealed that the current is dominated by thermionic emission and by the tunneling of charged particles through energy barriers. The evaluation of the conduction parameters reflected a resonant circuit with a peak‐to‐valley current ratio of (PVCR) of 63 at a peak (Vp) and valley (Vv) voltages of 1.84 and 2.30 V, respectively. The ac signal analysis of the Al/Ge/BN/C channel that was carried out in the frequency range of 1.0–3.0 GHz displayed a bandstop filter properties with notch frequency (fn) of 2.04 GHz and quality factor (Q) of 102. The replacement of the Al electrode by C through the C/Ge/BN/C channel caused the disappearance of the PVCR and shifted fn and Q to 2.70 GHz and 100, respectively. The features of the Ge/BN device are promising as they indicate the applicability of these sensors in communication technology.

show abstract

Enhanced Structural Integrity and Electrochemical Performance of AlPO₄-Coated MoO₂ Anode Material for Lithium-Ion Batteries

Cited by 5 publications

References 41 publications

Fluorine-Doped Tin Oxide Nanocrystal/Reduced Graphene Oxide Composites as Lithium Ion Battery Anode Material with High Capacity and Cycling Stability

Fluorine-Doped Tin Oxide Nanocrystal/Reduced Graphene Oxide Composites as Lithium Ion Battery Anode Material with High Capacity and Cycling Stability

Stable Multicomponent Multiphase All Active Material Lithium-Ion Battery Anodes

Design and characterization of (Al, C)/p-Ge/p-BN/C isotype resonant electronic devices

Contact Info

Product

Resources

About