强大而坚固的耐水性导电性eutectogels,具有相隔的性/性双离子通道
Hanbing Ma1, Min Wang2, Jiawen Hou1
1Key Laboratory of Functional Polymer Materials of Ministry of Education, College of Chemistry, Nankai University, Tianjin, 300071, China.
Advanced materials (Deerfield Beach, Fla.)
|March 3, 2025
概括
具有双离子通道 (PSDIC-gel) 的新相分离eutectogels为可伸缩电子产品提供了增强的耐水性和机械强度. 这些先进的材料为强大,自动供电的可穿戴设备铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 电化学 电化学 电化学
背景情况:
- 由于离子导电性和成本效益,eutectogels对可拉伸电子有希望.
- 现有的eutectogels经常表现出不良的机械性能和吸水能力.
- 开发强大且耐水性eutectogels对于实际应用至关重要.
研究的目的:
- 为了提高性能,设计具有双离子通道 (PSDIC-gel) 的相分离eutectogels.
- 为了增强机械强度,性,离子导电性和耐水性.
- 探索PSDIC-gel在自动供电可穿戴传感器中的潜力.
主要方法:
- 通过混合水友性和水害性聚合深层水友性溶剂来制造eutectogels.
- 通过聚合诱导相位分离,以创建双离子通道.
- 机械,导电性和自我愈合性质的表征.
- 使用固态核磁共振 (NMR) 进行结构和机械分析.
主要成果:
- PSDIC凝具有很高的抗拉强度 (6.03 MPa) 和性 (16.18 MJ m−3).
- 实现了1.6 × 10−3 S m−1的离子导电性,具有出色的耐水性.
- 证明了在室温下快速自我愈合和强大的基板粘附.
- 成功制造了一种灵活的 triboelectric 纳米发电机用于人类运动传感.
结论:
- 拟议的战略成功地协调了eutectogels的机械强度,环境适用性和离子导电性.
- PSDIC-gel代表了下一代可穿戴电子产品材料设计的重大进步.
- 双离子通道结构为复杂的聚合物系统中的离子相互作用提供了更深入的理解.
相关概念视频
02:21Electrolyte and Nonelectrolyte Solutions
58.9K
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.
58.9K
01:28Induced Electric Dipoles
4.0K
A permanent electric dipole orients itself along an external electric field. This rotation can be quantified by defining the potential energy because the external torque does work in rotating it. Then, the potential energy is minimum at the parallel configuration and maximum at the antiparallel configuration. While the former is a stable equilibrium, the latter is an unstable equilibrium.
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
4.0K
01:21DC Battery
1.7K
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,...
1.7K
01:29Electrical Transport
188
The electrical transport property of a material is defined by its resistance and conductivity. Resistance is the measure of a material's ability to resist the flow of electric current, while conductivity gauges its ability to allow the current to pass through, depending on the geometry of the measurement cell, such as electrode spacing and area. Conductivity is measured in Siemens (S). There are different types of conductance, including specific conductance, equivalent conductance, and molar...
188
01:23Theory of Strong Electrolytes
132
The interionic forces of the strong electrolytes depend on the solvent's dielectric constant, which is the ability of a solvent to store electrical energy, based on its polarizability. and the solution's concentration. In high-dielectric solvents and in dilute solutions, weak electrostatic forces keep ions apart. However, in low-dielectric solvents or concentrated solutions, stronger interionic forces may cause ions to pair up as ionic doublets despite being fully ionized. The theory of strong...
132
01:30The Electrical Double Layer
241
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...
241