A new strategy for the morphology-controlled synthesis of Ni/Co MOFs for high-performance asymmetric supercapacitors

Se vacancy-driven nickel cobalt selenide electrode enhancing reaction kinetics for boosting supercapacitive performance

“…When the power density is as high as 16 030.14 W kg À1 , the energy density can still be maintained at 39.48 W h kg À1 , which is much better than other HSCs reported previously (Table S4, ESI †). 19,[69][70][71][72][73][74][75][76][77] On this basis, V 2 -NiCo 2 Se x //AC has been charged and discharged 15 000 times, and its capacity retention rate is up to 85.8%, showing better cycling stability (Fig. 7(e)).…”

Flexible All-Solid-State Asymmetric Supercapacitors Based on PPy-Decorated SrFeO3−δ Perovskites on Carbon Cloth

“…4,5 Supercapacitors offer higher power density and better cycle life than traditional batteries. 6,7 However, the low energy density restricts their practical application in powering portable devices. 8−10 It is well-known that electrodes with advanced mechanical and electrochemical features are crucial for flexible supercapacitors.…”

“…Electronic devices are facing higher requirements to adapt to different environments. − As wearable and portable electronic devices develop, new challenges such as a mechanically robust, flexible, and high power density arise for the corresponding energy supply system. , Supercapacitors offer higher power density and better cycle life than traditional batteries. , However, the low energy density restricts their practical application in powering portable devices. − It is well-known that electrodes with advanced mechanical and electrochemical features are crucial for flexible supercapacitors. Various strategies, such as morphological control, porous structure construction, and composite design, have been widely investigated and applied to enhance the electrochemical performance of flexible electrode materials. − …”