Supercapattery devices have grasped attention due to their remarkable specific energy (E s)
without affecting their specific power (P s), which is significantly higher compared to batteries …

Battery‐supercapacitor hybrid devices (BSHDs) are aimed to be competitive complements to
conventional batteries and supercapacitors by simultaneously achieving high energy …

Abstract Cobalt oxide (Co 3 O 4) has emerged as a promising battery-type material for
electrochemical energy storage devices; however, the low ionic diffusivity, sluggish charge …

Flexible and wearable energy storage devices have drawn increasing attention owing to the
rapid development of smart and portable electronic gadgets. Herein, vertically oriented Co 9 …

Metal ion based hybrid capacitors (HCs) with a series of superiorities, such as exceptional
electrochemical properties, cost-effective, safety and environmental benignity have come to …

Supercapacitors (SCs) can bridge the gap between batteries and conventional capacitors,
playing a critical role as an efficient electrochemical storage device in intermittent renewable …

Through the combination of inverse-opal-structured hybrids of N, S-codoped-carbon-
confined Co 9 S 8 nanoparticles for high-efficient bifunctional electrocatalysts at air-cathode …

It remains challenging to develop economical and bifunctional electrocatalysts toward
oxygen/hydrogen evolution reactions (OER/HER). Herein, we construct Co9S8 nanoflakes …

Cost-effective solutions for improved performance, activity, and stability are the main
concern for the development of energy-storage devices. Generally, reduced graphene oxide …

Although nickel–cobalt bimetallic sulfides have been widely studied for supercapacitor
electrodes, how to obtain high specific capacity and cycle stability is still an important …