Abstract Carbon sheets with 3D architectures, large graphitic interlayer spacing, and high electrical conductivity are highly expected to be an ideal anode material for sodium‐ion hybrid capacitors (SIHCs). Pursuing a simple synthesis methodology advancing it from the laboratory industry is of great importance. In this study, new approach presented prepare framework carbon (3DFC) above integrated advantages by direct calcination sodium citrate without aid any additional source, template, or...

Abstract Portable and wearable sensors have attracted considerable attention in the healthcare field because they can be worn or implanted into a human body to monitor environmental information. However, cannot work independently require power. Flexible in‐plane micro‐supercapacitor (MSC) is suitable power device that integrated with on single chip. Meanwhile, paper an ideal flexible substrate it cheap disposable has porous rough surface enhances interface adhesion electronic devices. In...

Matrix-assisted catalytic printing (MACP) is developed as a low-cost and versatile method for the fabrication of multiscale metal conductors on wide variety plastic, elastomeric, textile substrates. Highly conductive Cu interconnects (2.0 × 108 S/m) fabricated by MACP at room temperature display excellent flexibility, foldability, stretchability. As service to our authors readers, this journal provides supporting information supplied authors. Such materials are peer reviewed may be...

Three-dimensional (3D) conductive composites with remarkable flexibility, compressibility, and stretchability are fabricated by solution deposition of thin metal coatings on chemically modified, macroscopically continuous, 3D polyurethane sponges, followed infiltration the metallic sponges polydimethylsiloxane (PDMS). These low-cost used as high-performance interconnects for flexible stretchable light-emitting diode (LED) arrays, even severe surface abrasion or cutting. As a service to our...

A high-temperature flexible supercapacitor, which shows excellent electrochemical energy-storage ability and flexibility at high temperature, is constructed.

All-solid-state microsupercapacitors (MSCs) have been receiving intense interest due to their potential as micro/nanoscale energy storage devices, but low density has limited practical applications. It reported that gel electrolytes based on ionic liquids (ionogels) with large windows can be used solid enhance the of MSCs, a systematic study how select and evaluate such ionogels for MSCs is rare. In this study, we construct series all-solid-state asymmetric interdigital finger electrodes,...

Smart watches have gained worldwide popularity because they can integrate diverse functions all in one. However, their energy storage devices currently being used are placed the watches, and this design seriously limited support ability future boost space. Herein, for first time, a strategy to device with watchband is put forward, which realized by preparation of watchband‐like solid‐state supercapacitors using graphene coated on TiNi alloy flake as negative electrode, ultrathin MnO 2 /Ni...

Elastomeric petals directly replicated from natural rose petal are new versatile substrates for stretchable and printable electronics. Compared with conventional flat polydimethylsiloxane substrates, elastomeric have biomimicking topographic surfaces that can effectively inhibit the propagation of microcracks formed in conducting layer, which is deposited on top, regardless type conductive materials deposition methods. The booming research ultraflexible, stretchable, wearable electronics...

Partial Cr substitution for V in the 4 C 3 T x MXene promotes capacitance, discharging potential, and cycle stability of in-plane ZMSCs. The device exhibits a high areal energy density 51.12 μW h cm −2 flexibility index 100.

Abstract Manganese oxide as the star cathode material of aqueous zinc ion batteries is vigorously developed because its environmental protection, outstanding theoretical capacity, and high voltage. However, severe Jahn–Teller distortion trivalent Mn has detrimental effect on cyclic stability. Herein, 1D core‐shell bimetal with cross‐doping heteroatom successfully designed by self‐template method via one‐step hydrothermal reaction. Specifically, thick shell Mo‐doped α ‐MnO 2 increased...

With the rapid development of flexible electronics, a large amount electronic waste is becoming global concern. Because biodegradable and environment-friendly properties, cellulose paper as substrates an alternative pathway to effectively address pollution. Recently, paper-based piezoresistive pressure sensors with simple structure easy signal detection have been widely used in health monitoring, soft robots, so forth. However, low sensitivity narrow working range limit their practical...

Conductive hydrogels have attracted widespread attention in the fields of biomedicine and health monitoring. However, their practical application is severely hindered by lengthy energy-intensive polymerization process weak mechanical properties. Here, a rapid method polyacrylic acid/gelatin double-network organohydrogel designed integrating tannic acid (TA) Ag nanoparticles on conductive MXene nanosheets as catalyst binary solvent water glycerol, requiring no external energy input. The...

Full-solution-processed flexible organic solar cells (OSCs) are fabricated using low-cost and high-quality printable Cu electrodes, which achieve a power conversion efficiency as high 2.77% show remarkable stability upon 1000 bending cycles. This device performance is thought to be the best among all full-solution-processed OSCs reported in literature same active materials. printed electrode promising for application roll-to-roll fabrication of OSCs. As service our authors readers, this...

Novelty of the work: mesoporous Ni-doped MnCo₂O₄hollow nanotubes used as an anode material for SIBs, this electrode exhibits ultralong life 11 000 cycles.

With the protection of a carbon shell, an asymmetric SC exhibited superior cycling stability with 98.5% capacitance retention after 100 000 charge/discharge cycles.

Abstract Polyanionic transition metal polyphosphate (TMPO)‐type Na 3 V 2 (PO 4 ) O F (NVPO F) is promising as cathode for large‐scale sodium‐ion batteries (SIBs) on account of its considerable capacity and highly stable structure. However, the redox phase transitions along with (de)intercalation + lead to slow kinetics inferior rate performance. Herein, chlorine (Cl) applied a heteropical dopant obtain Cl‐doped NVPO 2−x Cl x material SIBs. Density functional theory investigation reveals that...

As a flexible artificial material, the conductive hydrogel has broad application prospects in wearable electronics, soft robotics, and biomedical monitoring. However, traditional hydrogels still face many challenges, such as long-term stability, availability extreme environments, long-lasting adhesion to skin surface under sweaty or humid conditions. To circumvent above issues, one kind of ionic was prepared by simple one-pot method that dissolved chitosan (CS),...

The interface adhesion plays a key role between rigid metal and elastomer in compressible stretchable conductors. However, the poor interfacial hinders their wide applications. To strengthen adhesion, herein, combination strategy of structure interlocking polymer bridging is designed by introducing method subsurface-initiated atom transfer radical polymerization (sSI-ATRP). This can make brush root polydimethylsiloxane (PDMS) subsurface, on this basis, metals further grow from subsurface to...