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A Structural Battery and its Multifunctional Performance
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DOI：10.1002/aesr.202000093.png)
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摘要
En 中文
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.
Keyword:
biomimetics
carbon fiber composites
fibrous materials
lithium-ion batteries
multifunctional materials
self-sustaining materials
solid states
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IF:
5.7
论文数:
933
被引数:
3.2K
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