Related Experiment Video
Updated: May 27, 2025
06:58
Zinc-Sponge Battery Electrodes that Suppress Dendrites
Published on: September 29, 2020
4.3K
Ultralow and biodegradable electrolyte additives for dendrite-free Zn anodes
Xinyu Chen1, Dongdong Wang1, Shaojie Zhang1
1Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China. maxj@sdu.edu.cn.
Chemical Communications (Cambridge, England)
|February 21, 2025
Summary
Capryhydroxamic acid additive improves aqueous zinc-ion batteries by preventing side reactions and dendrite growth. This promotes uniform zinc deposition and enhances overall battery performance.
Area of Science:
- Electrochemistry
- Materials Science
- Energy Storage
Background:
- Aqueous zinc-ion batteries (AZIBs) face challenges from side reactions and dendrite formation, hindering their practical application.
- Developing stable and efficient AZIBs requires effective strategies to manage the zinc anode interface.
Purpose of the Study:
- To introduce capryhydroxamic acid (CHA) as a novel electrolyte additive for AZIBs.
- To investigate the mechanism by which CHA mitigates side reactions and promotes uniform zinc deposition.
Main Methods:
- Electrochemical testing of AZIBs with and without CHA additive.
- Interface analysis to study the effect of CHA on the zinc anode.
Main Results:
- CHA effectively suppresses side reactions at the zinc anode.
- CHA promotes homogeneous zinc deposition, preventing dendrite formation.
- Electrochemical performance, including cycling stability and efficiency, is significantly enhanced by CHA.
Conclusions:
- Capryhydroxamic acid is a promising additive for stabilizing aqueous zinc-ion batteries.
- CHA addresses key limitations in AZIBs by optimizing the zinc anode interface and deposition behavior.
Related Concept Videos
01:08Electrodeposition
567
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
Electrodeposition can...
567
03:02Standard Electrode Potentials
43.2K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
43.2K
03:12Batteries and Fuel Cells
26.9K
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...
26.9K
03:45Formation of Complex Ions
23.2K
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
23.2K
02:21Electrolyte and Nonelectrolyte Solutions
62.1K
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a substance yields ions in solution, that is, if the compound undergoes 100% dissociation, then the substance is a strong electrolyte. Complete dissociation is indicated by a single forward arrow. For example, water-soluble ionic compounds like sodium chloride dissociate into sodium cations and chloride anions in aqueous solution.
62.1K