基于不同形态的添加提酸的电解质复合水利性弹性体的响应特性
Shu-Juan Gao1,2, Lin-Zhi Li1,2, Peng-Fei Han3
1Department of Chemical and Materials Engineering, Lyuliang University, Luliang 033001, China.
Molecules (Basel, Switzerland)
|August 10, 2024
概括
树突的Mg-doped酸 (Mg-STO) 颗粒可以产生高性能电修复性弹性体 (EREs). 这些智能材料具有显著的能量储存,显示了对振动控制和智能结构的承诺.
科学领域:
- 材料科学 材料科学 材料科学
- 智能材料是一种智能材料.
- 聚合物科学 聚合物科学
背景情况:
- 电性弹性体 (ERE) 是一种先进的智能材料,在电场下具有可调的特性.
- 用Mg-doped strontium titanate (Mg-STO) 的颗粒被探索为EREs中的活性成分.
- 活性颗粒的形态显著影响ERE性能.
研究的目的:
- 合成具有不同形态的Mg-STO颗粒 (球形,树状,状,松状).
- 用于制造Mg-STO/糖醇/凝电解质复合液友性弹性体.
- 调查这些ERE的电气气学特性和储能能力.
主要方法:
- 用于Mg-STO合成的水热和低温共同沉.
- 使用XRD,SEM,拉曼和FT-IR进行表征.
- 通过在水凝介质中分散Mg-STO并应用电场来制造ERE.
主要成果:
- 成功合成了具有立方晶体结构 (1.5-2.0μm) 的Mg-STO粒子.
- 树突性Mg-STO复合弹性体表现出优越的电修学性能.
- 使用树突式Mg-STO EREs实现了8.70MPa的最大能量储存.
结论:
- 树突性Mg-STO复合弹性体代表了高性能EREs.
- 该研究强调了粒子形态学在ERE功能中的重要性.
- 这些EREs在振动控制,阻尼器和智能结构方面提供了潜在的应用.
相关概念视频
Cohesion
44.9K
Cohesion is the attraction between molecules of the same type, such as water molecules. Water molecules have an overall neutral charge but are polar molecule. An oxygen atom in one water molecule has a partial negative charge that can bind to a hydrogen atom with a partial positive charge in a second water molecule, forming a hydrogen bond. Each water molecule can form up to four hydrogen bonds with other water molecules. Hydrogen bonds are responsible for water's cohesive nature.
On a...
On a...
44.9K
Water: A Bronsted-Lowry Acid and Base
43.0K
The reaction between a Brønsted-Lowry acid and water is called acid ionization. For example, when hydrogen fluoride dissolves in water and ionizes, protons are transferred from hydrogen fluoride molecules to water molecules, yielding hydronium ions and fluoride ions:
43.0K
Acid Strength and Molecular Structure
26.0K
Binary Acids and Bases
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with...
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with...
26.0K
Poisson's Ratio
2.3K
Poisson's ratio is a material property that indicates their stress response. It explains the connection between the elongation or compression a material undergoes in the direction of an applied force and the contraction or expansion it experiences perpendicular to that force. When a slender bar is loaded axially, it stretches in the direction of the force and contracts laterally. Poisson's ratio is the negative ratio of this lateral contraction to the axial elongation. The negative sign...
2.3K
Surface Active Agents
158
Surfactants, named for their behavior at interfaces, positively adsorb at the interfaces of two phases, reducing interfacial tension. Their versatility as emulsifiers, detergents, and foaming agents stems from this ability. Surfactants, often termed amphiphiles, share the property of amphipathy, with molecules having both hydrophilic and hydrophobic portions. The hydrophilic part is called the head, and the hydrophobic part, including an elongated alkyl substituent, forms the tail.Surfactants...
158
Superplasticizers
468
Superplasticizers are advanced admixtures that enhance the workability of concrete by lowering the water content without compromising the strength of the material. These substances are highly effective water reducers, improving concrete flow, making it easier to work with, and enabling concrete to reach inaccessible areas or densely reinforced sections without mechanical vibration. The key components in superplasticizers are either sulfonated melamine or naphthalene formaldehyde condensates,...
468


