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Liquid electrolyte lithium/sulfur battery: Fundamental chemistry, problems, and solutions

Zhang, Sheng S.

Journal of power sources, 2013-06, Vol.231, p.153-162 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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  • Título:
    Liquid electrolyte lithium/sulfur battery: Fundamental chemistry, problems, and solutions
  • Autor: Zhang, Sheng S.
  • Assuntos: Applied sciences ; Carbon–sulfur composite ; Direct energy conversion and energy accumulation ; Electrical engineering. Electrical power engineering ; Electrical power engineering ; Electrochemical conversion: primary and secondary batteries, fuel cells ; Electrolyte ; Exact sciences and technology ; Li anode ; Lithium/sulfur battery ; Materials ; Polysulfide ; Redox shuttle
  • É parte de: Journal of power sources, 2013-06, Vol.231, p.153-162
  • Descrição: Lithium/sulfur (Li/S) battery has a 3–5 fold higher theoretical energy density than state-of-art lithium-ion batteries, and research has been ongoing for more than three decades. However, the commercialization of Li/S battery still cannot be realized due to many problematic issues, including short cycle life, low cycling efficiency, poor safety and a high self-discharge rate. All these issues are related to the dissolution of lithium polysulfide (PS), the series of sulfur reduction intermediates, in liquid electrolyte and to resulting parasitic reactions with the lithium anode and electrolyte components. On the other hand, the dissolution of PS is essential for the performance of a Li/S cell. Without dissolution of PS, the Li/S cell cannot operate progressively due to the non-conductive nature of elemental sulfur and its reduction products. In this review article, we start with the fundamental chemistry of elemental sulfur in order to discuss the problems and solutions of liquid electrolyte Li/S battery. ► Discuss the real problems of Li/S cells from the fundamental chemistry of Li/S battery. ► Review the current efforts on the research and development of Li/S battery. ► Discuss the drawback of the current efforts. ► Suggest the effective approach for the performance improvement of Li/S battery.
  • Editor: Amsterdam: Elsevier B.V
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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