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NEWS - Essay Example

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The aspect of the working of a battery is the main factor that determines the success or failure of a battery in real life scenarios. The article declares that our…
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NEWS
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Mystery of Lithium Ion Batteries Solved The article discusses the concept of movement of energy between the electrodes ofa lithium ion battery. The aspect of the working of a battery is the main factor that determines the success or failure of a battery in real life scenarios. The article declares that our understanding of this process has been faulty during the last eighty years or so; and it is only now that the real underlying mechanism of the working of such batteries is being understood.
The article asserts that the underlying model that was used to described the movement of charges in a battery was based on Butler-Volmer equation. Although this has been a norm during the last many decades and various subsequent researches have been unable to point out the deficiency inherent in the model; the model has however been challenged recently as it has failed to explain the current flow phenomenon in the lithium ion batteries.
This discovery surfaced when a cell containing a carbon coated porous electrode was used to analyze the validity of the old concept; while the older model failed to explain the results, the Marcus-Hush-Chidsey theory successfully explained the flow of energy within the battery. This theory gives a new insight into the phenomenon of flow of energy in a battery and relates it to rate of flow of electrons between carbon coating and porous electrode. The difference is more marked at higher voltages. This is an entirely new explanation of a previously known phenomenon and it is hoped that this will assist in developing batteries with better performance in future.
References
Irfan, Umair. "Mystery of Lithium Ion Batteries Solved." Science News, Articles, and Information - Scientific American. Scientific American, 8 Apr. 2014. Web. 11 Apr. 2014. Read More
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