Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Corrosion02:49

Corrosion

28.3K
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
28.3K
Determining the pH of Salt Solutions04:08

Determining the pH of Salt Solutions

48.0K
The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution.  In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...
48.0K
RNA Stability01:53

RNA Stability

35.7K
Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
35.7K
Responses to Salt Stress02:02

Responses to Salt Stress

14.6K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
14.6K
Corrosion of Reinforcement01:27

Corrosion of Reinforcement

576
The corrosion of steel reinforcement within concrete is a process influenced by the material's inherent properties and external factors. The high pH level of around 13, provided by calcium hydroxide present in concrete, initially protects the steel reinforcement by promoting the formation of a passive iron oxide layer on its surface.
However, over time and under certain conditions like carbonation, chloride ingress, and cracking this protective state can be compromised. Steel has areas with...
576
Nuclear Stability03:18

Nuclear Stability

23.2K
Protons and neutrons, collectively called nucleons, are packed together tightly in a nucleus. With a radius of about 10−15 meters, a nucleus is quite small compared to the radius of the entire atom, which is about 10−10 meters. Nuclei are extremely dense compared to bulk matter, averaging 1.8 × 1014 grams per cubic centimeter. If the earth’s density were equal to the average nuclear density, the earth’s radius would be only about 200 meters.
To hold positively charged protons together...
23.2K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Synthetic Porous Carbons for High-Energy, High-Power Supercapacitors.

Chemical reviews·2026
Same author

High-Energy-Facet-Oriented Mesoporous Single-Crystal Metal Oxides for Selective Oxidation Catalysis.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Cyclodextrin-Derived Porous Liquids Enabled by In Situ Solvation Shell Formation.

Journal of the American Chemical Society·2026
Same author

Controlling Exsolution Dynamics in High-Entropy Oxides for Highly Active and Selective Acetylene Semi-Hydrogenation.

Angewandte Chemie (International ed. in English)·2026
Same author

Rational Design of Weakly-Solvating Molecules for Salt-In-Pre-Ionic-Liquid Electrolytes for Li Metal Batteries.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Highly Crystalline and Porous Borocarbonitrides as Metal-Free Catalysts for Boosted N-Heterocycle Dehydrogenation.

Angewandte Chemie (International ed. in English)·2026

相关实验视频

Updated: Jan 30, 2026

Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization
11:16

Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization

Published on: July 11, 2012

16.8K

基于非腐蚀性甲基的盐用于稳定富含Ni的NMC阴极.

Juntian Fan1, Vaidyanathan M Sethuraman1, Albina Borisevich2

  • 1Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA.

Small (Weinheim an der Bergstrasse, Germany)
|January 29, 2026
PubMed
概括
此摘要是机器生成的。

一种新的盐,二三甲硫) 甲基 (LiCTf2),增强了离子电池中高阴极的稳定性. 这种非腐蚀性盐可以改善无添加剂的自行车性能.

关键词:
在 NMC 阴极.的腐蚀对的腐蚀产生影响.阳离子工程是什么?界面稳定性 界面稳定性基于甲基的盐.

更多相关视频

Metal Corrosion and the Efficiency of Corrosion Inhibitors in Less Conductive Media
10:05

Metal Corrosion and the Efficiency of Corrosion Inhibitors in Less Conductive Media

Published on: November 3, 2018

18.5K
Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
10:03

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

Published on: November 11, 2013

26.1K

相关实验视频

Last Updated: Jan 30, 2026

Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization
11:16

Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization

Published on: July 11, 2012

16.8K
Metal Corrosion and the Efficiency of Corrosion Inhibitors in Less Conductive Media
10:05

Metal Corrosion and the Efficiency of Corrosion Inhibitors in Less Conductive Media

Published on: November 3, 2018

18.5K
Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
10:03

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

Published on: November 11, 2013

26.1K

科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 电池技术 电池技术

背景情况:

  • 高LiNixMnyCo1-x-yO2 (NMC) 阴极为下一代离子电池 (LIB) 提供高能量密度.
  • 与常规电解质的界面不稳定性,特别是六酸 (LiPF6) 和二 (trifluoromethanesulfonyl) 胺 (LiNTf2),限制了NMC阴极性能和电池寿命.
  • LiNTf2导致电流收集器腐蚀超过3.7V,需要开发非腐蚀性电解质替代品.

研究的目的:

  • 引入和评估一种新的,非腐蚀性甲基盐,二三甲硫) 甲 (LiCTf2),用于稳定NMC阴极.
  • 研究LiCTf2抑制腐蚀并增强接口稳定性的机制.
  • 为了证明使用LiCTf2基电解质的NMC阴极的改进电化学性能.

主要方法:

  • 新型二三甲硫化物 (LiCTf2) 盐的合成和表征.
  • 在含有LiCTf2,LiNTf2和LiPF6的电解质中对LiNi0.5Mn0.3Co0.2 (NMC532) 和LiNi0.8Mn0.1Co0.1O2 (NMC811) 阴极进行电化学测试.
  • 电化学和显微镜表征以分析界面稳定性和腐蚀机制.

主要成果:

  • 与LiNTf2不同的是,LiCTf2通过形成低可溶性Al3+复合物,有效地抑制电流收集器腐蚀.
  • LiCTf2离子增强了Li+协调,加强了溶解结构并促进了更密集的介面相.
  • 在LiCTf2基电解质中循环运行的NMC532和NMC811阴极与使用LiNTf2或LiPF6的电解质相比,在不需要膜形成添加剂的情况下显著改善了循环稳定性.

结论:

  • 二三甲 (LiCTf2) 是一个有前途的非腐蚀性盐,用于先进的LIB电解质.
  • LiCTf2提供了内在的接口工程功能,增强了高NMC阴极的电化学稳定性和循环性能.
  • 这项工作为电解质优化提供了新的途径,这对于开发更安全,更耐用的下一代离子电池至关重要.