材料科学
电池(电)
电解质
电极
复合材料
集电器
复合数
锂离子电池
磷酸铁锂
纤维
化学
电化学
功率(物理)
量子力学
物理
物理化学
作者
E. Leif,Karl Bouton,David Carlstedt,Shanghong Duan,Ross Harnden,Wilhelm Johannisson,Marcus Johansen,Mats Johansson,Göran Lindbergh,Fang Liu,Kevin Peuvot,Lynn M. Schneider,Johanna Xu,Dan Zenkert
标识
DOI:10.1002/aesr.202000093
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 24 Wh kg −1 and an elastic modulus of 25 GPa and tensile strength exceeding 300 MPa. 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.
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