Self‐Powered Electronic Skin with Biotactile Selectivity

Hu, Kesong; Xiong, Rui; Guo, Hengyu; Ma, Ruilong; Zhang, Shuaidi; Wang, Zhong Lin; Tsukruk, Vladimir V.

doi:10.1002/adma.201506187

Cited by 99 publications

(90 citation statements)

References 58 publications

(71 reference statements)

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“…[27] When the GO-metal junction was made wet by pressing with ab are finger,a n output voltage of hundreds of millivolts was produced with polarity depending on the touching location (Figure 4b). Af lexible nanogenerator based on GOmetal hybrid materials which harvest energy from the touch of humanf ingers was furtheri nvestigated.…”

Section: Concept Nanogenerators Based On Graphene Oxidementioning

confidence: 99%

“…a) Density functional theory calculation results for the charge distribution near the graphene surfacec aused by adsorbingo ne, two and three hydrated Na + and the adsorbing energy.b)Schematic illustration of apseudocapacitor formed by ad roplet on graphene. [27] Copyright 2016,Wiley-VCH. Reproduced with permission.…”

Section: Concept Nanogenerators Based On Graphene Oxidementioning

confidence: 99%

See 1 more Smart Citation

Generating Electricity from Water through Carbon Nanomaterials

Chen

Peng

2018

Chemistry A European J

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Over the past ten years, electricity generation from water in carbon-based materials has aroused increasing interest. Water-induced mechanical-to-electrical conversion has been discovered in carbon nanomaterials, including carbon nanotubes and graphene, through the interaction with flowing water as well as moisture. In this Concept article, we focus on the basic principles of electric energy harvesting from flowing water through carbon nanomaterials, and summarize the material modification and structural design of these nanogenerators. The current challenges and potential applications of power conversion with carbon nanomaterials are finally highlighted.

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Section: Concept Nanogenerators Based On Graphene Oxidementioning

confidence: 99%

Section: Concept Nanogenerators Based On Graphene Oxidementioning

confidence: 99%

Generating Electricity from Water through Carbon Nanomaterials

Chen

Peng

2018

Chemistry A European J

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“…[9] However, significant limitations in such wearable technology still exist due to the large dependence on external power supply. For example, driving these wearable tactile sensors completely by traditional batteries has become increasingly impractical, [10] since batteries may cause health hazard owing to the possible electrolyte leaking or contamination. The regular replacement, recharging, and recycling of these batteries are also very troublesome.…”

mentioning

confidence: 99%

All‐Fiber Structured Electronic Skin with High Elasticity and Breathability

Zhu

Shen

et al. 2019

Adv Funct Materials

181

161

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With the rapid advancement in artificial intelligence, wearable electronic skins have attracted substantial attention. However, the fabrication of such devices with high elasticity and breathability is still a challenge and highly desired. Here, a route to develop an all-fiber structured electronic skin with a scalable electrospinning fabrication technique is reported. The fabricated electronic skin is demonstrated to exhibit high pressure sensing with a sensitivity of 0.18 V kPa −1 in the detection range of 0-175 kPa. This wearable device could maintain prominent sensing performance and mechanical stability in the presence of large deformation, even when the elastic deformation is up to 50%. The electronic skin is easily conformable on different desired objects for real-time spatial mapping and long-term tactile sensing. Besides, it possesses high gas permeability with a water vapor transmittance rate of 10.26 kg m −2 d −1 . More importantly, the electronic skin is capable of working in a self-powered manner and even serves as a reliable power source to effectively drive small electronics. Possessing several compelling features, such as high sensitivity, high elasticity, high breathability as well as being self-powered and scalable in fabrication, the presented device paves a pathway for smart electronic skins.

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“…As tern layer was formed by the cations adsorbed onto the MWCNT because of the negative zeta potential. [48] Furthermore, as the interspace of the MWCNT was small, the voltage output contribution of the capillary force-driving water flow among the MWCNTs had been also taken into consideration. When the contact length of the FFNG with the solution ceased to rise, the ions in the solution gradually balanced the excess charge and the voltage decreased.…”

mentioning

confidence: 99%

A One‐Dimensional Fluidic Nanogenerator with a High Power Conversion Efficiency

Chen

Zhang

et al. 2017

Angewandte Chemie

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Electricity generation from flowing water has been developed for over ac entury and playsac ritical role in our lives.G enerally,h eavy and complex facilities are required for electricity generation, while using these technologies for applications that require as mall sizea nd high flexibility is difficult. Here,w ed eveloped af luidic nanogenerator fiber from an aligned carbon nanotube sheet to generate electricity from any flowing water source in the environment as well as in the human body.T he power conversion efficiency reached 23.3 %. The fluidic nanogenerator fiber was flexible and stretchable,a nd the high performance was well-maintained after deformation over 1000 000 cycles.T he fiber also offered unique and promising advantages,s uch as the ability to be woven into fabrics for large-scale applications.

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Self‐Powered Electronic Skin with Biotactile Selectivity

Cited by 99 publications

References 58 publications

Generating Electricity from Water through Carbon Nanomaterials

Generating Electricity from Water through Carbon Nanomaterials

All‐Fiber Structured Electronic Skin with High Elasticity and Breathability

A One‐Dimensional Fluidic Nanogenerator with a High Power Conversion Efficiency

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