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Magnesium batteries: Current picture and missing pieces of the puzzle

机译：镁电池：当前图片和缺少拼图的拼图

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摘要

Rechargeable magnesium batteries are gaining a lot of interest due to promising electrochemical features, which, at least in theory, are comparable than those of Li-ion batteries. Such performance metrics can be achieved by using thin metal foils or high-capacity alloys coupled with suitable electrolytes enabling a high Coulombic efficiency and use of a high energy density cathode materials. All three components significantly influence electrochemical characteristics and energy density of rechargeable magnesium batteries. Although there are many reports showing progress in the cyclability and stability of different systems, only few cathode materials promise possible commercialization. Remaining issues with efficiency, magnesium anode processing and electrolyte compatibility with cell housing are preventing faster development of technology with high possible impact on the future battery landscape. In the given perspective paper a critical overview on electrolytes, anode materials and three different classes of cathode materials is reported. Different rechargeable magnesium battery configurations were assumed and their dependence of volumetric energy densities on gravimetric energy densities are provided assuming realistic conditions with optimized electrode thicknesses and loadings, electrode porosity and optimized electrolyte quantity. Although calculated values are attractive, further experimental steps are needed in order to prove these numbers on the lab-scale and small prototype cells.
机译：由于有希望的电化学特征，可充电的镁电池由于有希望的电化学特征而获得了很多兴趣，这至少在理论上比锂离子电池相当。这种性能度量可以通过使用与合适的电解质联接的薄金属箔或高容量合金来实现，从而实现高能量密度阴极材料的高功率效率和使用。所有三种组分都会显着影响可充电镁电池的电化学特性和能量密度。虽然有许多报道显示不同系统的可靠性和稳定性的进展，但仅限少数阴极材料承诺可能的商业化。效率，镁阳极加工和电解质兼容性与细胞壳体兼容性的剩余问题可防止对未来电池景观产生高影响的技术开发。在给定的透视纸上，报道了电解质，阳极材料和三种不同类阴极材料的关键概述。假设具有优化电极厚度和负载，电极孔隙率和优化电解质量的实际条件，假设具有不同的可充电镁电池配置，并且它们对重量能量密度进行重量能量密度的依赖性。尽管计算值是有吸引力的，但需要进一步的实验步骤，以便在实验室规模和小型原型细胞上证明这些数字。

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  • 来源
    《Journal of power sources》 |2020年第1期|229027.1-229027.18|共18页
  • 作者

    Dominko Robert; Bitenc Jan; Berthelot Romain; Gauthier Magali; Pagot Gioele; Di Noto Vito;

  • 作者单位

    Natl Inst Chem Hajdrihova 19 Ljubljana 1000 Slovenia|Univ Ljubljana Fac Chem & Chem Technol Vecna Pot 113 Ljubljana 1000 Slovenia|CNRS FR 3104 Alistore European Res Inst Hub Energie Rue Baudelocque F-80039 Amiens France;

    Natl Inst Chem Hajdrihova 19 Ljubljana 1000 Slovenia;

    Univ Montpellier CNRS ICGM Montpellier France|CNRS Reseau Stockage Electrochim Energie RS2E Amiens France;

    Univ Paris Saclay CEA CNRS NIMBE LEEL F-91191 Gif Sur Yvette France;

    Univ Padua Sect Chem Technol ChemTech Dept Ind Engn Via Marzolo 9 I-35131 Padua PD Italy|Ctr Studi Econ & Tecn Energia Giorgio Levi Cases Via Marzolo 9 I-35131 Padua PD Italy;

    Univ Padua Sect Chem Technol ChemTech Dept Ind Engn Via Marzolo 9 I-35131 Padua PD Italy|Ctr Studi Econ & Tecn Energia Giorgio Levi Cases Via Marzolo 9 I-35131 Padua PD Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Magnesium; Electrolyte; Cathode; Anode; Review; Energy density;

    机译：镁;电解质;阴极;阳极;回顾;能量密度;

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