Yancheng Wang

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Verified

Yancheng verified their affiliation via an institutional email.

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• PhD
• Professor at Zhejiang University

Hydraulically amplified self-healing electrostatic (HASEL) actuators are known for their muscle-like activation, rapid operation, and direct electrical control, making them highly versatile for use in soft robotics. While current methods for enhancing HASEL actuator performance largely emphasize material innovation, our approach offers an additiona...

Continuous monitoring of dynamic blood pressure (BP) is crucial for cardiovascular status analysis and holds significant value in the clinical prevention and diagnosis of cardiovascular diseases. However, existing methods are often limited by their bulky design and complex procedures, which are incompatible with the demands of smart, portable devic...

Wearable long-term gait detection is of great significance for healthcare, rehabilitation, and exercise training. Current wearable gait detection devices are generally less flexible, making them unsuitable for daily and long-term usage. Furthermore, they can only extract limited gait features, such as step count, which hampers their practical appli...

Robotic gripping and manipulating are common tasks in underwater exploration and archaeological applications. The robotic contact force sensing in aquatic environment faces several technical challenges, such as high hydraulic pressure will greatly affect the sensor’s sensitivity and sensing accuracy. Herein, we developed a novel aquatic iontronic-b...

Aqueous zinc-ion batteries (AZIBs) are appealing devices for cost-effective and environmentally sustainable energy storage. However, irreversible issues such as dendrites, corrosion and hydrogen evolution reaction at the anode threaten to hamper their widespread deployment. Herein, we propose synergic self-assembly and arraying to form ordered bion...

Acoustic tweezer technique with non-contact micro-object manipulation capability has been widely utilized for particle patterning in the fields of cell arraying, target drug delivery, and functional composite fabrication. However, the manipulation resolution of acoustic tweezer device is decided by the configuration of interdigital transducers (IDT...

Tactile sensing requires integrated detection platforms with distributed and highly sensitive haptic sensing capabilities along with biocompatibility, aiming to replicate the physiological functions of the human skin and empower industrial robotic and prosthetic wearers to detect tactile information. In this regard, short peptide‐based self‐assembl...

Flexible and stretchable tactile sensors are attracted in the fields of soft robotics, wearable electronics, and healthcare monitoring. The sensing performance of tactile sensors is commonly affected by external deformations like stretching, bending, and twisting, thus they may fail to function on deformable object surfaces. This paper presents a s...

The membrane electrode assembly (MEA) plays a crucial role in the functionality of proton exchange membrane fuel cells (PEMFCs). The channels present within the catalyst layer of MEAs exhibit a disordered configuration, which consequently give rise to low efficiency in mass transportation. In order to enhance the mass transfer performance and the c...

Silicon carbide (SiC) has been widely utilized in semiconductor industry for the development of high power electrical devices. Using chemical vapor deposition (CVD) to grow a thin epitaxial layer onto SiC substrate surface with orderly lattice arrangement, good surface morphology and low doping concentration is required. During epitaxial growth, th...

This paper presents a novel flexible dual-mode sensor with both contact pressure and distance sensing abilities for robotic grasping and manipulation applications. The proposed flexible dual-mode sensor measures contactless distances by flat interdigitated electrodes, based on electrical field detection principle. Meanwhile the sensor detects conta...

Peano-HASEL (hydraulic amplified self-healing electrostatic) actuators represent a recent advancement in the field of muscle-like soft actuators. They typically consist of flexible electrodes, a flexible and inextensible shell, and liquid dielectric. However, Peano-HASEL actuators employing flexible electrodes can only utilize the electrostatic for...

Underwater perception of a broad range of force holds great importance in aquatic explorative activities, while flexible tactile sensors face technical challenges to realize. This paper presents a novel flexible aquatic tactile sensor based on waterproof graphene (GR)/carbon nanotube (CNT)/Polydimethylsiloxane (PDMS) composites. The prepared GR/CNT...

Human‐machine interaction(HMI) is extensively employed in various applications such as robotic control and augmented reality/virtual reality. However, HMIs are mainly based on single‐interaction mode, requiring bulky equipment to be worn or sustaining physical contact with the interfaces, resulting in limited interaction efficiency and intelligence...

Flexible force sensors have been widely applied in robotics for object exploring, remote controlling, and human–machine interactions. The tri‐axis force sensors for accurate measurement of normal and shear forces are generally in urgent demand. Most tri‐axis force sensors rely on signal analyzation between multiple elements to achieve force compone...

Three-dimensional (3D) positioning enables the precise localization and processing of objects and has been regarded as a vital technology with diverse applications in numerous fields. This paper presents a novel ultrasonic transducer with high sensitivity and flexibility for detecting 3D positions of target objects. The proposed flexible transducer...

The ceramic-based porous structures and components have received considerable attention in biomedical and biological fields. This paper presents a method by using digital light processing (DLP) 3D printing technology to fabricate polymer-derived SiC ceramic components with triply period minimal surface (TPMS) porous structure. The photosensitive pr...

Multifunctional composites have been widely utilized in aerospace, biomedical and electronic devices. Fiber-reinforced composites are characterized by lightweight, tough, and with high energy absorption capabilities, they have received considerable attentions. Honeycomb structure is one of the typical lightweight structures of fiber-reinforced comp...

Droplet manipulation on superhydrophobic surfaces (DMSS) without conventional pipetting is an emerging liquid handling technology, which can be potentially used for diagnostic, analysis, and synthetic processes. Despite notable progress, controlling droplet motion on superhydrophobic surfaces by contactless acoustic waves is rarely reported. Herein...

Stretchable and flexible electronic sensors have been attracted due to their conformal integration onto complex curved surfaces for novel applications. Whereas, the mounting strains generated by the geometric mismatch of substrate surface and electronic sensors may cause non-conformal contact at the interface, thus would induce non-negligible effec...

Ultra-thin sheets of titanium for fabricating microchannels have been used in fuel cells due to their good corrosion resistance and high strength-weight ratio. This paper presents a constitutive model for studying the anisotropy effects of pure titanium (CP-Ti) sheet on the springback behavior and forming properties during the microstamping process...

This article presents a novel portable one-hand Braille input system (BIS) to assist visually impaired users in entering text on electronic devices. The proposed BIS is designed based on a flexible Braille keyboard (FBK), it mainly consists of five dual-interlocked tactile sensors, a processing circuit, and a software modulus. The fully elastomeric...

Hypothesis: The accurate and dynamic manipulation of multiple micro-sized objects has always been a technical challenge in areas of colloid assembly, tissue engineering, and organ regeneration. The hypothesis of this paper is the precise modulation and parallel manipulation of morphology of individual and multiple colloidal multimers can be achiev...

The robotic with integrated tactile sensors can accurately perceive contact force, pressure, vibration, temperature and other tactile stimuli. Flexible tactile sensing technologies have been widely utilized in intelligent robotics for stable grasping, dexterous manipulation, object recognition and human-machine interaction. This review presents pro...

Vat photopolymerization is a widely employed additive manufacturing (AM) technique that commonly applying a digital light processing (DLP) light engine to provide a patterned light source. Notably, printing extreme-size structures is challenging, and the selection of printing parameters was currently highly reliant on repeatable trial-and-error exp...

Amino acids are the most simplistic bio-building blocks and perform a variety of functions in metabolic activities. Increasing publications report that amino acid-based superstructures present amyloid-like characteristics, arising from their supramolecular β-sheet secondary structures driven by hydrogen-bonding-connected supramolecular β-strands, w...

This paper presents a novel stretchable ultrasonic transducer array with high-pressure resistance and sensitivity for the integration of robotic arm to detect internal characteristics under complex shaped surfaces. The proposed transducer array has a 3×3 array of 1-3 composites that using bidirectional stretchable electrodes to enhance its stretcha...

Photonic crystals (PCs) exhibit promising structural coloration properties and possess extensive application prospects in diverse optical fields. However, state-of-the-art inorganic or polymeric PCs show limited adaptivity as their configurations are fixed once formed. Herein, bio-organic adaptive PCs are fabricated via drop-casting of amphiphilic...

Acoustic tweezers based on surface acoustic waves (SAWs) have raised great interest in the fields of tissue engineering, targeted therapy, and drug delivery. Generally, the complex structure and array layout design of interdigital electrodes would restrict the applications of acoustic tweezers. Here, we present a novel approach by using bisymmetric...

Flexible pressure sensors have attracted considerable interests in the fields of intelligent robotics, human-machine interfaces and health monitoring for their portability, flexibility and real-time sensing performance. The microstructures of dielectric layer significantly affect the sensing performance of capacitive pressure sensors, but the commo...

Membrane electrode assembly (MEA) is the core component of proton exchange membrane fuel cells (PEMFCs). The multi-phase channels inside the catalyst layer of the MEA are generally messy, thus leading to inefficient mass transfer characteristics. Meanwhile, the corrosion of carbon carriers and agglomeration of catalyst will aggravate the performanc...

Flexible tactile sensors can be used as the human–machine interactions for tactile information. Integration of flexible tactile sensor onto complex curved surfaces usually generates high assembly strains or stresses, thus reducing the accuracy of tactile sensing. This paper presents a novel flexible tactile sensor using a devisable kirigami structu...

High-throughput automated manipulation of microparticles in complex-shaped environments has been demonstrated with great potential in the field of pharmaceutical microfluidics. Generally, the development of a highly efficient actuation method for functional microparticle manipulation in complex-shaped chamber structures is the key challenge of this...

Wearable pulse detection devices can be used for daily human healthcare monitoring; however, the relatively poor flexibility and low sensitivity of the pulse detection devices are hindering the scrutiny of pulse information during pulse diagnosis of different pulse positions. This paper developed a novel and wearable pulse detection device based on...

The chopped carbon fiber reinforced SiC (Cf/SiC) composite has been regarded as one of the excellent high-temperature structural materials for applications in aerospace and military fields. This paper presented a novel printing strategy using direct ink writing (DIW) of chopped fibers reinforced polymer-derived ceramics (PDCs) with polymer infiltra...

Multifunctional composites have been widely utilized in soft robots, electronics, batteries, and biomedicine. Meanwhile, several fabrication processes have been proposed to fabricate these functional composites with desired mechanical, electrical, magnetic, and thermal properties. However, patterning functional micro/nanomaterials such as particles...

Perceiving distributed tactile information during robotic dexterous grasping process is essential to improve its intelligence and automation. This paper presents a tactile sensing system for a multi-fingered robotic hand, and used to detect distributed contact forces andtactile information during robotic hand dexterous multimodal grasping applicati...

With the continuous development of human society, the shortages of fossil resource and environmental pollution are increasingly prominent. Hydrogen is a clean and efficient alternative energy, among various hydrogen production technologies, methanol reforming has been regarded as a promising candidate to produce hydrogen for daily energy supply due...

The capability of perceiving the uncertain environment and the adaptation to external stimuli is of main concern in robotics. Inspired by the outer microstructure of the human fingerprint, a dual-mode tactile sensor is developed, consisting of capacitive sensing units for the static force perception, hybrid nanogenerators for the dynamic response a...

The springback behavior of thin metal sheets will significantly affect the forming accuracy of microchannels during microstamping process, especially as the forming scale reduced to micro-/meso levels due to the size effects and grain structures. This paper aims to study the size effects on springback behavior and microchannel’s formability in micr...

Peptide self-assemblies show intriguing and tunable physicochemical properties, and thus have been attracting increasing interest over the last two decades. However, the micro/nano-scale dimensions of the self-assemblies severely restrict their extensive applications. Inspired by nature, to genuinely realize the practical utilization of the bio-org...

The rapid development of 3D printing has led to considerable progress in the field of biomedical engineering. Notably, 4D printing provides a potential strategy to achieve a time-dependent physical change within tissue scaffolds or replicate the dynamic biological behaviors of native tissues for smart tissue regeneration and the fabrication of medi...

The springback behavior of thin metal sheets will significantly affect the forming accuracy of microchannels during microstamping process, especially as the forming scale reduced to micro/meso levels due to the size effects and grain structures. This paper aims to study the size effects on springback behavior and microchannel’s formability in micro...

Vectored non-covalent interactions—mainly hydrogen bonding and aromatic interactions—extensively contribute to (bio)-organic self-assembling processes and significantly impact the physicochemical properties of the associated superstructures. However, vectored non-covalent interaction-driven assembly occurs mainly along one-dimensional (1D) or three...

Acoustic tweezers based on travelling surface acoustic waves (TSAWs) have the potential for contactless trajectory manipulation and motion-parameter regulation of microparticles in biological and microfluidic applications. Here, we present a novel design of a tri-directional symmetrical acoustic tweezers device that enables the precise manipulation...

Methanol steam reforming (MSR) has been proven to be a feasible approach for in-situ hydrogen production. This paper designed a novel thermally autonomous MSR microreactor with regular-shaped pores SiC scaffold as catalyst support. The SiC scaffolds with four different pore sizes were fabricated by direct ink writing (DIW) of polycarbosilane-based...

Porous metal-based substrates with high porosity and surface/volume ratio have been widely used in microreactors for enhancing heat and mass transfer, while the generally poor uniformity and low adhesive strength of catalyst coating onto these porous substrates will limit the performance and service life of microreactors. Herein, we present a rapid...

This paper presents a novel highly sensitive and flexible tactile sensor based on the fabrication of truncated pyramid-shaped porous graphene nanoplate (GNP)/silicone rubber (SR) composites as the sensing material. The designed tactile sensor has 3 × 3 (=9) sensing units, each unit has three layers: top cover layer with upper electrodes, middle tru...

This article presents a novel flexible tactile sensor by using skin-like dual-interlocked structure to improve both the sensitivity and force detection range. The fully elastomeric graphene/carbon nanotube/silicon rubber nanocomposites are synthesized and used as a sensing material. The sandwich skin-like dual-interlocked structure enables the tact...

Methanol steam reforming has been used for in-situ hydrogen production and supply for proton exchange membrane fuel cell (PEMFC), while its power density and energy efficiency still needs to be improved. Herein, we present a novel methanol steam reforming microreactor based on the stacked wave sheets and copper foam for highly efficient hydrogen pr...

Tactile sensors are of great significance for robotic perception improvement to realize stable object manipulation and accurate object identification. To date, developing a broad-range tactile sensor array with high sensitivity economically remains a critical challenge. In this study, a flexible capacitive tactile sensor array, consisting of a carb...

Proton exchange membrane fuel cells (PEMFCs) have been utilized as a promising power source for new energy vehicles. Their performances are greatly affected by the structural design of the flow field in the bipolar plate. In this paper, we present a novel three-dimensional (3D) bionic cathode flow field, inspired by the small intestinal villi. The...

Replicating the haptic perception capability of the human hand is an indispensable goal for intelligent robots and human–machine interactions. Multifunctional electronic skin (e-skin) sensors can be an ideal candidate to bridge the gaps among humans, robots, and the environment. Mutual interference of multistimuli and unconformable spatial distribu...

Tactile sensors have been used for haptic perception in intelligent robotics, smart prosthetics, and human-machine interface. The development of multifunctional tactile sensor remains a challenge and limit its application in flexible electronics and devices. We propose a liquid metal based tactile sensor for both temperature and force sensing which...

The finger skin of human plays a key role in amplifying and transferring tactile signals to sensory receptors, and it provides design guidelines for next‐generation flexible tactile sensors. To enable robotic applications such as dexterous manipulation and tactile feedback, the functions of force sensing and slip detection are crucial for flexible...

Methanol steam reforming (MSR) is an attractive option for in-situ hydrogen production and to supply for transportation and industrial applications. This paper presents a novel thermally autonomous MSR microreactor that uses silicon carbide (SiC) honeycomb ceramic as a catalyst support to enhance energy conversion efficiency and hydrogen production...

Intelligent robotic hand with integrated tactile sensor is able to perform real-time tactile information sensing, which is crucial for dexterous grasping and manipulation. This paper presents a novel flexible tactile sensor with 18 sensing units to envelop a complex-shaped robotic hand finger for grasping force measurement. A new approach based on...

Polymer-based materials with patterned functional particles have been used to develop smart devices with multiple functionalities. This paper presents a novel method to pattern microscale particles into biocompatible polyethylene glycol diacrylate (PEGDA) fluid through a designed surface acoustic wave (SAW) device with slanted-finger interdigital t...

As an innovative additive manufacturing process, 4D printing can be utilized to generate predesigned, self-assembly structures which can actuate time-dependent, and dynamic shape-changes. Compared to other manufacturing techniques used for tissue engineering purposes, 4D printing has the advantage of being able to fabricate reprogrammable dynamic t...

The coordination of biomolecules and metal ions plays vital roles in diverse metabolic activities. Yet, understanding their interaction mechanisms and developing potential applications are severely impeded due to the complexity...

Methanol steam reforming can convert methanol solution into hydrogen rich steam, which can be used to supply for the proton exchange membrane fuel cell (PEMFC). The carbon monoxide (CO) in the produced hydrogen rich steam will be poison to the PEMFC and limits the application of this technic. This study develops a new methanol fuel processing syste...

Methanol steam reforming microreactors can be used for hydrogen production in industry applications. This paper presents a novel thermally autonomous methanol steam reforming microreactor that uses porous copper foam as catalyst support to enhance the performance of hydrogen production. The proposed microreactor mainly consists of a vaporizer, a ca...

Wearable tactile sensors can be used for haptic perception and are widely utilized in soft robotics, intelligent prosthetics, and other human interfaced/interface applications. The development of tactile sensors with for multifunctional tactile sensing capacity remains a challenge. This article presents the design and fabrication of a wearable tact...

Flexible tactile sensors have been utilized in intelligent robotics for human-machine interaction and healthcare monitoring. The relatively low flexibility, unbalanced sensitivity and sensing range of the tactile sensors are hindering the accurate tactile information perception during robotic hand grasping of different objects. This paper developed...

Polymer-based substrate with patterned microstructures has been widely utilized for the development of cell chip in tissue engineering and/or flexible sensors in robotics. The key challenge is to fabricate the polymer-based substrate with the localized patterned microstructures. In this study, we presented a method to fabricate localized microstruc...

Methanol steam reforming (MSR) has been regarded as a promising hydrogen supply method for proton exchange membrane fuel cell (PEMFC), while the efficiency for hydrogen production and integration method of MSR with PEMFC are two major challenges for commercial applications. Here, we present a highly efficient MSR system for hydrogen production and...

Multifunctional electronic skins (e-skins), which mimic the somatosensory system of human skin, have been widely employed in wearable devices for intelligent robotics, prosthetics, and human health monitoring. Relatively low sensitivity and severe mutual interferences of multiple stimuli detection have limited the applications of the existing e-ski...

With ability of converting the heat harvested from human body into electricity, the wearable thermoelectric generators (WTEGs) are attracting lots of interests for self-powered electronic devices. However, the output power density of the WTEG is limited for supplying the electronic devices. Therefore, the performance enhancement by optimal design o...

A microchannel reactor with a porous surface catalyst support has been applied to methanol steam reforming (MSR) for hydrogen production. The fluid flow, heat transfer, and hydrogen production efficiency of the microchannel reactor are significantly affected by the fabricated porous surface support, such as the pore sizes and their distributions. T...

Digital light processing (DLP)-based printing process has been used to print microfeature-sized constructs and architectures for biomedical applications; the key challenge is to achieve both large printing size and high accuracy at the same time. Here we reported a scalable DLP-based three-dimensional (3D) printing system with scalable resolution a...