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The progress rate in the field of renewable energy is not only limited to technology from the sun, wind, ocean or earth radiation heat, but also limited to the ability to use these energy to be efficiently stored and deployed. Develop reliable batteries and make it large to meet the needs of the grid, the main barriers are material costs, and find the research costs required for the best materials, this is not surprising. In the Romab of the University of Washington, Washington, St.
Louis, Romab. A Study of the McAdh.wittcoff Trimsy Professor Vijayramani Lab has developed a method to determine which materials will be suitable as any organic energy storage capacity for grid size Key Parts of Oxidation Cell Battery (ORFB): Electrolyte.
This study was published on August 20th in the National Academy of Sciences (PNAS). Organic oxidative hydraulic fluid battery (ORFB) is low cost. Their design makes them cheaper per unit of electricity stored in the size of the lithium ion battery, and they use inexpensive organic materials as battery active materials (cathode and anode).
The first author Kritikasharma said: "In our system, we are using Viologen, which is widely used as a herbicide, and very cheap, if we use this organic active substance, then the main decision is:'How do we dissolve it in what electrolyte to maximize the efficacy of the battery? "Traditionally, answering this problem involving a large number of experiments and errors experiments and analysis. However, Ramani's teams discovered that there is a possibility to eliminate many of this work. A universal descriptor indicates which electrolytes and organic active substances are best matching.
Ramani's research team studied two active substances (iron chloride and tetrachloride anode) and six electrolytes (sulfuric acid, hydrochloric acid, methanesulfonic acid, sulfate, sodium chloride, sodium chloride, sodium sulfate) Sex and acidic pH. They found that their general descriptor pointed out the combination of chemical and battery performance characteristics - low discharge polarization and highly open voltage. "Our descriptor, i.
e., the solvent recombination can indicate that the low pH electrolyte effect with methanesulfonate or chloride ion is best, we can predict this by an hour of experiments in the laboratory, and Not usually a few days or weeks. "Sankarasubramanian, Assistant Professor Assistant, Department of Chemical Engineering, San Antonio, Texas, Sankarasubramanian.
"Although the paper shows the result from a limited number of combinations, Sharma said that the descriptor can be universal because it is based on the basic relationship between active substances and electrolytes, and related to kinetics and transmission characteristics in the system. With the general method of predicting the best electrolyte of specific organic active substances, the development of new storage technologies will become more effective, and will not be too fast. Sharma said: "When the intermittent generator based on solar and wind energy is dominated, the size of the grid is required to have a stable grid.
Our general descriptor can help speed up new storage solutions. ".
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