Gelation‐Constrained Freeze‐Casting Fabrication of Ultra‐Homogeneous Nanocomposite Aerogels with Superelasticity and Harsh Environment Tolerance DOI Open Access

Tianyi Zhu,

Debao Wang, Yisha Wang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 18, 2025

Abstract Freeze casting is a versatile technique for organizing low‐dimensional building blocks into ordered porous structural materials. However, the freeze‐casting fabrication of materials with robust and topologically elastic skeleton to withstand harsh conditions challenging. Herein, silanized ultra‐homogeneous nanocomposite aerogel fabricated using gelation‐constrained strategy. Diverging from traditional methods employing solution precursor, approach involves process utilizing rational‐designed supramolecular hydrogel as quasi‐solid precursor. The within hydrogel, enclosed in dense hydrogen‐bonded network, effectively mitigate secondary agglomeration caused by ice crystallization concentration enrichment during freeze‐casting. By forming cellular an interconnected nanoparticle resulting aerogels exhibit exceptional mechanical elasticity retaining over 98% height after 10 000 compression cycles, along superior electrical properties showing 78.9% increase conductivity compared conventional aerogels. Wearable piezoresistive sensors these demonstrate outstanding force sensing capabilities, broad linear range (0–17.6 kPa) high sensitivity (1.32 kPa −1 ). When integrated intermediate layer protective garments, offer insulation fire resistance, enabling them endure like repetitive extreme deformations, exposure high‐temperature flames, water‐erosion damages.

Language: Английский

Bioinspired iontronic synapse fibers for ultralow-power multiplexing neuromorphic sensorimotor textiles DOI Creative Commons
Long Chen, Ming Ren,

Jianxian Zhou

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2024, Volume and Issue: 121(33)

Published: Aug. 7, 2024

Artificial neuromorphic devices can emulate dendric integration, axonal parallel transmission, along with superior energy efficiency in facilitating efficient information processing, offering enormous potential for wearable electronics. However, integrating such circuits into textiles to achieve biomimetic perception, and control motion feedback remains a formidable challenge. Here, we engineer quasi-solid-state iontronic synapse fiber (ISF) comprising photoresponsive TiO 2 , ion storage Co-MoS an transport layer. The resulting ISF achieves inherent short-term synaptic plasticity, femtojoule-range consumption, the ability transduce chemical/optical signals. Multiple ISFs are interwoven synthetic neural fabric, allowing simultaneous propagation of distinct optical signals transmitting information. Importantly, IFSs multiple input electrodes exhibit spatiotemporal integration. As proof concept, textile-based multiplexing sensorimotor system is constructed connect fibers artificial muscles, enabling preneuronal sensing postneuronal output coordinated motor muscles. proposed holds promise electronics, soft robotics, biomedical engineering.

Language: Английский

Citations

55

Research Progress and Application of Multimodal Flexible Sensors for Electronic Skin DOI
Yin He,

Xiaoxuan Xu,

Shuang Xiao

et al.

ACS Sensors, Journal Year: 2024, Volume and Issue: 9(5), P. 2275 - 2293

Published: April 25, 2024

In recent years, wearable electronic skin has garnered significant attention due to its broad range of applications in various fields, including personal health monitoring, human motion perception, human-computer interaction, and flexible display. The multimodal sensor, as the core component skin, can mimic multistimulus sensing ability which is highly for development next generation devices. This paper provides a summary latest advancements sensors that possess two or more response capabilities (such force, temperature, humidity, etc.) simultaneously. It explores relationship between materials multiple capabilities, focusing on both active are same different. also discusses preparation methods, device structures, properties these sensors. Furthermore, it introduces well intelligent robots. Finally, current limitations future challenges will be presented.

Language: Английский

Citations

34

Deshielding Anions Enable Solvation Chemistry Control of LiPF6‐Based Electrolyte toward Low‐Temperature Lithium‐Ion Batteries DOI
Yuan Song, Shengkai Cao, Xi Chen

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(16)

Published: Jan. 15, 2024

Abstract Severe capacity decay under subzero temperatures remains a significant challenge for lithium‐ion batteries (LIBs) due to the sluggish interfacial kinetics. Current efforts mitigate this deteriorating behavior rely on high‐solubility lithium salts (e.g., Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), bis(fluorosulfonyl)imide (LiFSI))‐based electrolytes construct anion participated solvation structures. However, such bring issues of corrosion current collector and increased costs. Herein, most commonly used hexafluorophosphate (LiPF 6 ) instead, establish peculiar structure with high ratio ion pairs aggregates by introducing deshielding NO 3 − additive low‐temperature LIBs is utilized. The significantly reduces energy barrier at low temperatures. Benefiting from this, graphite (Gr) anode retains ≈72.3% −20 °C, which far superior 32.3% 19.4% retention counterpart electrolytes. Moreover, LiCoO 2 /Gr full cell exhibits stable cycling performance 100 cycles °C inhibited plating. This work heralds new paradigm in LiPF ‐based electrolyte design operating

Language: Английский

Citations

28

A Photoelectrochemical Retinomorphic Synapse DOI

Jin Hu,

Ming‐Jian Jing,

Yu‐Ting Huang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(38)

Published: July 26, 2024

Abstract Reproducing human visual functions with artificial devices is a long‐standing goal of the neuromorphic domain. However, emulating chemical language communication system in fluids remains grand challenge. Here, “multi‐color” hydrogel‐based photoelectrochemical retinomorphic synapse reported unique chemical‐ionic‐electrical signaling an aqueous electrolyte that enables, e.g., color perception and biomolecule‐mediated synaptic plasticity. Based on specific enzyme‐catalyzed chromogenic reactions, three multifunctional colored hydrogels are developed, which can not only synergize Bi 2 S 3 photogate to recognize primary colors but also given polymeric channel promote long‐term memory system. A array further constructed for sensing images biomolecule‐coded information communication. Taking advantage versatile biochemistry, biochemical‐driven reversible photoelectric response cone cell mimicked. This work introduces rich designs into devices, providing perspective replicating fluids.

Language: Английский

Citations

24

Skin‐Inspired Multi‐Modal Mechanoreceptors for Dynamic Haptic Exploration DOI

Jiangtao Su,

Hang Zhang, Haicheng Li

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(21)

Published: Feb. 16, 2024

Abstract Active sensing is a fundamental aspect of human and animal interactions with the environment, providing essential information about hardness, texture, tackiness objects. This ability stems from presence diverse mechanoreceptors in skin, capable detecting wide range stimuli sensorimotor control biological mechanisms. In contrast, existing tactile sensors for robotic applications typically excel identifying only limited types information, lacking versatility requisite strategies to extract proactively. Here, inspired by haptic perception, skin‐inspired artificial 3D mechanoreceptor (SENS) multiple mechanical developed bridge action closed‐loop system dynamic exploration. A tensor‐based non‐linear theoretical model established characterize deformation (e.g., tensile, compressive, shear deformation) SENS, guidance design optimization multimode properties high fidelity. Based on recognizing objects improved accuracy (≈96%) further demonstrated. exploration approach shows promise such as autonomous learning, healthcare, space deep‐sea

Language: Английский

Citations

20

Nanomaterials for Flexible Neuromorphics DOI

Guanglong Ding,

Hang Li,

Jiyu Zhao

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(22), P. 12738 - 12843

Published: Nov. 5, 2024

The quest to imbue machines with intelligence akin that of humans, through the development adaptable neuromorphic devices and creation artificial neural systems, has long stood as a pivotal goal in both scientific inquiry industrial advancement. Recent advancements flexible electronics primarily rely on nanomaterials polymers owing their inherent uniformity, superior mechanical electrical capabilities, versatile functionalities. However, this field is still its nascent stage, necessitating continuous efforts materials innovation device/system design. Therefore, it imperative conduct an extensive comprehensive analysis summarize current progress. This review highlights applications neuromorphics, involving inorganic (zero-/one-/two-dimensional, heterostructure), carbon-based such carbon nanotubes (CNTs) graphene, polymers. Additionally, comparison summary structural compositions, design strategies, key performance, significant these are provided. Furthermore, challenges future directions pertaining materials/devices/systems associated neuromorphics also addressed. aim shed light rapidly growing attract experts from diverse disciplines (e.g., electronics, science, neurobiology), foster further for accelerated development.

Language: Английский

Citations

20

Energy consumption in the synchronization of neurons coupled by electrical or memristive synapse DOI
Ying Xie, Xueqin Wang, Xuening Li

et al.

Chinese Journal of Physics, Journal Year: 2024, Volume and Issue: 90, P. 64 - 82

Published: May 22, 2024

Language: Английский

Citations

19

Development of Bio‐Voltage Operated Humidity‐Sensory Neurons Comprising Self‐Assembled Peptide Memristors DOI
Ziyu Lv,

Shirui Zhu,

Yan Wang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(33)

Published: June 15, 2024

Biomimetic humidity sensors offer a low-power approach for respiratory monitoring in early lung-disease diagnosis. However, balancing miniaturization and energy efficiency remains challenging. This study addresses this issue by introducing bioinspired humidity-sensing neuron comprising self-assembled peptide nanowire (NW) memristor with unique proton-coupled ion transport. The proposed shows low Ag

Language: Английский

Citations

19

Conformal Neuromorphic Bioelectronics for Sense Digitalization DOI
Xiao Zhao, Haochen Zou, Ming Wang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(35)

Published: June 27, 2024

Sense digitalization, the process of transforming sensory experiences into digital data, is an emerging research frontier that links physical world with human perception and interaction. Inspired by adaptability, fault tolerance, robustness, energy efficiency biological senses, this field drives development numerous innovative digitalization techniques. Neuromorphic bioelectronics, characterized biomimetic stand out for their seamless bidirectional interactions entities through stimulus-response feedback loops, incorporating bio-neuromorphic intelligence information exchange. This review illustrates recent progress in encompassing not only representation sensations such as touch, light, temperature, correlating to tactile, visual, thermal perceptions, but also detection biochemical stimuli gases, ions, neurotransmitters, mirroring olfactory, gustatory, neural processes. It thoroughly examines material design, device manufacturing, system integration, offering detailed insights. However, faces significant challenges, including new device/system paradigms, forging genuine connections systems, ensuring compatibility semiconductor industry overcoming absence standardization. Future ambition includes realization biocompatible prosthetics, exoskeletons, soft humanoid robots, cybernetic devices integrate smoothly both tissues artificial components.

Language: Английский

Citations

19

Synchronization of complex networks with synapse regulated by energy difference DOI
Ying Xie, Xuening Li, Xueqin Wang

et al.

Nonlinear Dynamics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

Language: Английский

Citations

4