A critical review of structural supercapacitors and outlook on future research challenges

被引:73
作者
Greenhalgh, Emile S. [1 ]
Nguyen, Sang [1 ]
Valkova, Maria [1 ]
Shirshova, Natasha [2 ]
Shaffer, Milo S. P. [1 ,3 ]
Kucernak, A. R. J. [4 ]
机构
[1] Imperial Coll London, Composites Ctr, London, England
[2] Univ Durham, Dept Engn, Durham, England
[3] Imperial Coll London, Dept Mat & Chem, Nanostruct Hierarch Assemblies & Composites Grp, London, England
[4] Imperial Coll London, Dept Chem, London, England
基金
英国工程与自然科学研究理事会;
关键词
Multifunctional composites; Multifunctional properties; Electrochemical behaviour; Elastic properties; Critical review; REDUCED GRAPHENE OXIDE; WOVEN CARBON-FIBER; SOLID POLYMER ELECTROLYTES; BINDER-FREE ELECTRODE; ENERGY-STORAGE; HIGH-PERFORMANCE; MECHANICAL-PROPERTIES; IONIC LIQUID; NETWORKED POLYMERS; COMPOSITES;
D O I
10.1016/j.compscitech.2023.109968
中图分类号
TB33 [复合材料];
学科分类号
摘要
Structural composites and electrochemical energy storage underpin electrification of transportation, but ad-vances in electric vehicles are shackled by parasitic battery mass. The emergence of structural power composites, multifunctional materials that simultaneously carry structural loads whilst storing electrical energy, promises dramatic improvements in effective performance Here, we assess the literature on structural supercapacitors, not only providing a comprehensive and critical review of the constituent (i.e., structural electrode, structural electrolyte and structural separator) developments, but also considering manufacture, characterisation, scale-up, modelling and design/demonstration. We provide a rigorous analysis of the multifunctional performance data reported in the literature, providing the reader with a detailed comparison between the different structural supercapacitor developments. We conclude with insights into the future research and adoption challenges for structural supercapacitors. There are several significant hurdles which must be addressed to mature this tech-nology. These include development of a processable structural electrolyte; optimisation of current collection to facilitate device scale-up; identification of load-transmitting encapsulation solutions; standard protocols for characterisation and ranking of structural supercapacitors and; predictive multiphysics models for structural supercapacitors. Through addressing such issues, these emerging multifunctional materials will deliver a novel lightweighting strategy that can contribute to managing the ongoing climate crisis.
引用
收藏
页数:19
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