Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

The Electrical Double Layer

The Electrical Double Layer

In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Privacy-Enhanced Vertical Federated Learning for Healthcare via Directional Noise and Subset Representations.

IEEE journal of biomedical and health informatics·2026

Same author

Selection of proper artificial intelligence techniques developed for CT scan image analysis of liver cancer using fuzzy AHP-TOPSIS.

BMC medical imaging·2026

Same author

Identification and functional characterization of a novel mutation in the NEUROD1 gene in a Chinese family with maturity-onset diabetes of the young.

Acta diabetologica·2026

Same author

Operando Spectroscopic Analysis of Photovoltage Generation in Hematite Photoanodes.

Journal of the American Chemical Society·2026

Same author

MFDA-UNet: Medical Image Segmentation with Frequency-Decoupled Representation and Gated Cross-Scale Integration.

Sensors (Basel, Switzerland)·2026

Same author

Analysis of Long-Term and Short-Term Efficacy of Different Types of Tympanosclerosis Surgery Under Total Otoendoscopy.

The Annals of otology, rhinology, and laryngology·2026

Search research articles

Related Experiment Video

Updated: May 25, 2026

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

Temperature-Driven Anisotropic Mg²⁺ Doping for a Pillared LiCoO₂ Interlayer Surface in High-Voltage Applications.

Lianqi Zhao¹, Pu Yan¹, Tianying Liu¹

¹School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.

ACS Applied Materials & Interfaces

|June 28, 2023

Summary

Magnesium (Mg2+) doping enhances high-voltage lithium cobalt oxide (LiCoO2) cathode performance in lithium-ion batteries. This surface doping strategy improves stability and energy density for advanced battery applications.

Keywords:

anisotropic doping atomic layer deposition high-voltage lithium cobalt oxide interlayer pillars surface doping

More Related Videos

$In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries$

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

Related Experiment Videos

Last Updated: May 25, 2026

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

$In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries$

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

Area of Science:

Materials Science
Electrochemistry
Solid-State Chemistry

Background:

High-voltage lithium cobalt oxide (LiCoO2) offers high volumetric energy density for lithium-ion batteries.
Capacity fading in LiCoO2 at high voltages (4.6 V) is caused by parasitic reactions and oxygen loss.
Developing stable high-voltage cathode materials is crucial for next-generation batteries.

Purpose of the Study:

To investigate the effect of anisotropic magnesium (Mg2+) doping on the surface of LiCoO2.
To understand the mechanism by which Mg2+ doping enhances electrochemical performance.
To improve the cycling stability and energy density of LiCoO2 at high operating voltages.

Main Methods:

Temperature-driven anisotropic doping of Mg2+ into LiCoO2.
Surface analysis to observe Mg2+ distribution and its effect on the (003) plane.
Electrochemical testing to evaluate cycling performance and capacity retention at 4.6 V.

Main Results:

Mg2+ dopants preferentially segregate to the surface, specifically the (003) plane.
Doping lowers cobalt valence, reduces O 2p-Co 3d orbital hybridization, and forms surface Li+/Co2+ anti-sites.
Surface Mg2+ doping effectively suppresses lattice oxygen loss.
Modified LiCoO2 exhibits excellent cycling stability at 4.6 V, retaining 92.7% capacity after 100 cycles at 1C.

Conclusions:

Anisotropic surface doping with Mg2+ is a viable strategy to enhance the high-voltage performance of LiCoO2.
This method significantly improves cycling stability and energy density by mitigating parasitic reactions and oxygen loss.
The findings offer a promising pathway for developing advanced cathode materials for high-energy lithium-ion batteries.