Related Experiment Video
Updated: May 10, 2026
10:03
Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
Published on: November 11, 2013
25.6K
Biomimetic Sandwich-Structured Tubular Ion Pump Arrays for Lithium Metal Batteries
Shang-Qi Li1, Zhenzhen Wang2, Xiaoyang Zheng3
1School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China.
Journal of the American Chemical Society
|July 11, 2025
Summary
Researchers developed a novel biomimetic ion pump for lithium-metal batteries. This advanced material ensures uniform lithium deposition and stripping, enhancing battery lifespan and stability for high-energy applications.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Uniform lithium deposition and stripping are critical for stable, high-energy lithium-metal batteries.
- Existing lithium hosts struggle with dendrite formation and limited cycle life.
Purpose of the Study:
- To engineer a biomimetic ion pump array for controlled lithium plating and stripping.
- To enhance the stability and energy density of lithium-metal batteries.
Main Methods:
- Fabrication of sandwich-structured tubular ion pump arrays (NG@ZnSe@NG).
- Utilized in situ XRD and TEM for mechanistic studies.
- Performed theoretical calculations to understand ion transport.
Main Results:
- Achieved ultrahigh Coulombic efficiency (99.2% over 1100 cycles) and long lifespan (4970 h).
- Demonstrated excellent performance with LiFePO4 and O2 cathodes.
- Pouch cells maintained 85.4% capacity after 130 cycles under harsh conditions.
Conclusions:
- The biomimetic ion pump effectively promotes uniform lithium deposition and stripping.
- The developed material offers exceptional stability and reliability for industrial applications.
- This work paves the way for next-generation high-energy lithium-metal batteries.
Related Concept Videos
03:12Batteries and Fuel Cells
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
02:42Valence Bond Theory
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
01:21DC Battery
A conductor needs to be a component of a path that creates a closed loop or full circuit to have a continuous current flowing through it. A current starts to flow if an electric field is created inside an isolated conductor that is not part of a full circuit. The conductor quickly develops a net positive charge at one end and a net negative charge at the other. These charges generate an electric field opposite the direction of the applied electric field, which reduces the current. Eventually,...
01:27Schottky Barrier Diode
Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...
01:24Types of Reversible Electrodes
For electrode reversibility to be maintained, all the reactants and products involved in the half-reaction must be present at the electrode. There are several types of reversible electrodes (half-cells).In metal-metal-ion electrodes, a metal balances electrochemically with a solution of its own ions. Examples are Cu2+|Cu and Zn2+|Zn. Metals that react with the solvent, like group 1 and most group 2 metals, which react with water, and zinc, which reacts with aqueous acidic solutions, cannot be...
01:30The 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...