A Thin Film Flexible Supercapacitor Based on Oblique Angle Deposited Ni/NiO Nanowire Arrays

A Thin Film Flexible Supercapacitor Based on Oblique Angle Deposited Ni/NiO Nanowire Arrays

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With high power density, fast charging-discharging speed, and a long cycling life, supercapacitors are a kind of highly developed novel energy-storage device that has shown a growing performance and various unconventional shapes such as flexible, linear-type, stretchable, self-healing, etc.Here, we proposed a rational design of thin film, flexible micro-supercapacitors with in-plane interdigital electrodes, where the electrodes were fabricated using the oblique angle deposition technique to grow oblique Ni/NiO nanowire arrays directly RC Spare Parts on polyimide film.The obtained electrodes have a high specific surface area and good adhesion to the substrate compared with other in-plane micro-supercapacitors.

Meanwhile, the as-fabricated micro-supercapacitors have good flexibility and satisfactory energy-storage performance, exhibiting a high specific capacity of 37.1 F/cm3, a high energy density of 5.14 mWh/cm3, a power density of up to 0.

5 W/cm3, and good stability during charge-discharge cycles and repeated bending-recovery cycles, respectively.Our micro-supercapacitors can be used as ingenious Course a pied - Femme - Vetements - Cuissard energy storage devices for future portable and wearable electronic applications.