A Structural Battery and its Multifunctional Performance

被引：168

作者：

Asp, Leif E. ^{[1
]}

Bouton, Karl ^{[2
]}

Carlstedt, David ^{[1
]}

Duan, Shanghong ^{[1
]}

Harnden, Ross ^{[2
]}

Johannisson, Wilhelm ^{[2
]}

Johansen, Marcus ^{[1
]}

Johansson, Mats K. G. ^{[3
]}

Lindbergh, Goran ^{[4
]}

Liu, Fang ^{[1
]}

Peuvot, Kevin ^{[4
]}

Schneider, Lynn M. ^{[3
]}

Xu, Johanna ^{[1
]}

Zenkert, Dan ^{[2
]}

机构：

[1] Chalmers Univ Technol, Dept Ind & Mat Sci, SE-41296 Gothenburg, Sweden

[2] KTH Royal Inst Technol, Dept Engn Mech, SE-10044 Stockholm, Sweden

[3] KTH Royal Inst Technol, Dept Fibre & Polymer Technol, SE-10044 Stockholm, Sweden

[4] KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden

来源：

ADVANCED ENERGY AND SUSTAINABILITY RESEARCH | 2021年 / 2卷 / 03期

基金：

瑞典研究理事会; 欧盟地平线“2020”;

关键词：

biomimetics; carbon fiber composites; fibrous materials; lithium-ion batteries; multifunctional materials; self-sustaining materials; solid states; DESIGN;

D O I：

10.1002/aesr.202000093

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Engineering materials that can store electrical energy in structural load paths can revolutionize lightweight design across transport modes. Stiff and strong batteries that use solid-state electrolytes and resilient electrodes and separators are generally lacking. Herein, a structural battery composite with unprecedented multifunctional performance is demonstrated, featuring an energy density of 24Whkg(-1) and an elastic modulus of 25GPa and tensile strength exceeding 300MPa. The structural battery is made from multifunctional constituents, where reinforcing carbon fibers (CFs) act as electrode and current collector. A structural electrolyte is used for load transfer and ion transport and a glass fiber fabric separates the CF electrode from an aluminum foil-supported lithium-iron-phosphate positive electrode. Equipped with these materials, lighter electrical cars, aircraft, and consumer goods can be pursued.

引用

页数：9

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