Researchers at Northwestern University in the United States believe that they have created an excellent new material for batteries and super capacitors that will help increase the range and charging speed of electric vehicles. This material is called "covalent organic framework" (COF), an organic crystal structure that is suitable for energy storage and has many pores. Chemist William Dichtel and his team added conductive polymers and the result was a "modified redox COF." Dichtel believes it benefits both batteries and supercapacitors, both of which are important for electric cars.
Researchers claim that their materials can stably withstand 10,000 cycles of charge and discharge. Its energy storage is 10 times that of the non-modified COF electric energy source, and the charging speed is increased by 10-15 times - it can be said that it is the best of both worlds.
In practical applications, the battery can store a large amount of energy under slow discharge; while the super-capacitor is charged very quickly, it can absorb only a small amount of energy.
The research paper titled "Superior Charge Storage and Power Density of a Conducting Polymer-Modified Covalent Organic Framework" has been published recently. Published in the ACS Central Science journal.
Tool belt is a piece of equipment used to hold and organize tools for easy access during work. Tool belts are commonly used by construction workers, carpenters, electricians, and other tradespeople who need quick access to their tools while working.
A typical tool belt consists of a belt made of leather or nylon with pockets or pouches attached to it. The pockets or pouches are designed to hold different types of tools, such as hammers, screwdrivers, pliers, and measuring tapes.
There are different types of tool belts available, including leather tool belts, nylon tool belts, and electrician tool belts. Some tool belts also have suspenders or shoulder straps to help distribute the weight of the tools more evenly and reduce strain on the back.
When choosing a tool belt, it is important to consider the type of work you will be doing and the types of tools you will need to carry. You should also consider the size and fit of the tool belt to ensure it is comfortable and does not interfere with your movements while working.
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