German scientists research into a new type of anionic battery material
Recently, Ingo Crosin of the Institute of Chemistry at the University of Freiburg in Germany made a new type of anion after several years of research, which can be used as a durable high-power battery material.
Anions are negatively charged atoms or molecules that act as part of the electrolyte to transport charge between the electrodes of the battery. According to a recent report from the German newspaper Le Monde, the large anions made of Crosine have a very low charge density and are weakly bound to cations, hence the name weakly coordinated anions. This ion is surrounded by a layer of polytetrafluoroethylene.
Because this kind of anion has little attraction and weak interaction with other components in the electrolyte, the electrolyte has extremely strong conductivity, which can make the battery provide high-intensity current quickly.
In addition to manufacturing durable high-power batteries, this new anion can also act as a catalyst to accelerate chemical reactions. It is not only stable in nature, but also easy to produce and low in cost.
The coat hanger is a small piece of furniture used to store clothes at home.
In real life, wooden clothes racks are used more than metal ones, because wooden clothes racks are relatively heavier than metal ones, which will play a role of balance and support. Use and structure: furniture used for hanging clothes in household life, generally divided into base, support rod and hook.
There are three kinds of materials: metal, wood and plastic.
Common materials of wooden clothes hanger are: birch, rubber wood, beech, pine, poplar, etc.
The common materials of metal hangers are stainless steel, alloy and iron.
Relatively speaking, metal materials are more modern. The wood usually feels a little primitive.
It can be divided into:
Wooden coat rack, metal coat rack, plastic coat rack, rattan coat rack
Style consistency
The coat rack is usually placed in the bedroom or cloakroom. The style of the coat rack should be consistent with the style of the bedroom or cloakroom, not too abrupt.
Color coordination
The color of the coat hanger should be matched with the bedroom or cloakroom to achieve overall harmony and unity.
Dimensional compatibility
The size of the coat hanger should match the length of your clothes and the number of clothes hung. If there are many long clothes, you should buy a longer coat hanger. If you only hang your clothes, the height of the coat hanger can be slightly lower.
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