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Rational Design of ...
Rational Design of Low Cost and High Energy Lithium Batteries through Tailored Fluorine-free Electrolyte and Nanostructured S/C Composite
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- Agostini, Marco, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lim, Du Hyun, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sadd, Matthew, 1994 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hwang, Jang Yeon (author)
- Hanyang University
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Brutti, Sergio (author)
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- Heo, J. W. (author)
- Gyeongsang National University
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- Ahn, J. (author)
- Gyeongsang National University
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- Sun, Y. K. (author)
- Hanyang University
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- Matic, Aleksandar, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018-07-19
- 2018
- English.
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In: ChemSusChem. - : Wiley. - 1864-5631 .- 1864-564X. ; 11:17, s. 2981-2986
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https://doi.org/10.1...
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Abstract
Subject headings
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- We report a new Li–S cell concept based on an optimized F-free catholyte solution and a high loading nanostructured C/S composite cathode. The Li2S8present in the electrolyte ensures both buffering against active material dissolution and Li+conduction. The high S loading is obtained by confining elemental S (≈80 %) in the pores of a highly ordered mesopores carbon (CMK3). With this concept we demonstrate stabilization of a high energy density and excellent cycling performance over 500 cycles. This Li–S cell has a specific capacity that reaches over 1000 mA h g−1, with an overall S loading of 3.6 mg cm−2and low electrolyte volume (i.e., 10 μL cm−2), resulting in a practical energy density of 365 Wh kg−1. The Li–S system proposed thus meets the requirements for large scale energy storage systems and is expected to be environmentally friendly and have lower cost compared with the commercial Li-ion battery thanks to the removal of both Co and F from the overall formulation.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
Keyword
- electrolyte
- Li–S battery
- lithium-ion
- batteries
- composite
Publication and Content Type
- art (subject category)
- ref (subject category)
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Agostini, Marco, ...
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Lim, Du Hyun, 19 ...
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Sadd, Matthew, 1 ...
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Hwang, Jang Yeon
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Brutti, Sergio
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Heo, J. W.
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show more...
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Ahn, J.
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Sun, Y. K.
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Matic, Aleksanda ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Mechanical Engin ...
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and Energy Engineeri ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Environmental En ...
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and Energy Systems
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ChemSusChem
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Chalmers University of Technology