Self-powered quasi-solid-state electrochromic devices for optical information encryption

2021 ◽  
Author(s):  
Feifei Zhao ◽  
Jingmei Zhao ◽  
Yun Zhang ◽  
Xu Wang ◽  
Wenshou Wang
Keyword(s):  
Solid State ◽  
Bilayer Film ◽  
Optical Information ◽  
Electrochromic Devices ◽  
Switching Performance ◽  
External Power ◽  
Self Powered ◽  
Color Switching ◽  
High Flexibility ◽  
Excellent Color

A new self-powered quasi-solid-state ECD with a simplified bilayer film configuration shows high flexibility and excellent color switching performance without external power supply. Its application in optical information encryption is demonstrated.

Strong coloration of nanoporous tungsten oxides by in-vacuo lithiation for all-solid-state electrochromic devices

2021 ◽  
pp. 138700
Author(s):  
Olivia Bouvard ◽  
Maxime Lagier ◽  
Luc Burnier ◽  
Anna Krammer ◽  
Andreas Schüler
Keyword(s):  
Solid State ◽  
Electrochromic Devices ◽  
Tungsten Oxides

Long life all-solid-state electrochromic devices by annealing

2021 ◽  
Vol 224 ◽  
pp. 110992
Author(s):  
Wenjie Li ◽  
Xiang Zhang ◽  
Xi Chen ◽  
Yingming Zhao ◽  
Wenhai Sun ◽  
...  
Keyword(s):  
Solid State ◽  
Electrochromic Devices ◽  
Long Life

scholarly journals Portable Photovoltaic-Self-Powered Flexible Electrochromic Windows for Adaptive Envelopes

2021 ◽  
Vol 2 (2) ◽  
pp. 174-185
Author(s):  
Antonio Cánovas-Saura ◽  
Ramón Ruiz ◽  
Rodolfo López-Vicente ◽  
José Abad ◽  
Antonio Urbina ◽  
...  
Keyword(s):  
Power Supply ◽  
Organic Solar Cells ◽  
Market Integration ◽  
Control Method ◽  
Light Transmission ◽  
Transmission Function ◽  
Electronic Control ◽  
Electrochromic Devices ◽  
Large Area ◽  
Self Powered

Variable transmission applications for light control or energy saving based on electrochromic materials have been successfully applied in the past in the building, sports, or automotive fields, although lower costs and ease of fabrication, installation, and maintenance are still needed for deeper market integration. In this study, all-printed large area (900 cm2 active area) flexible electrochromic devices were fabricated, and an autoregulating self-power supply was implemented through the use of organic solar cells. A new perspective was applied for automotive light transmission function, where portability and mechanical flexibility added new features for successful market implementation. Special emphasis was placed in applying solution-based scalable deposition techniques and commercially available materials (PEDOT-PSS as an electrochromic material; vanadium oxide, V2O5, as a transparent ion-storage counter electrode; and organic solar modules as the power supply). A straightforward electronic control method was designed and successfully implemented allowing for easy user control. We describe a step-by-step route following the design, materials optimization, electronic control simulation, in-solution fabrication, and scaling-up of fully functional self-powered portable electrochromic devices.

Consecutive anchoring of symmetric viologens: Electrochromic devices providing colorless to neutral-color switching

2018 ◽  
Vol 177 ◽  
pp. 110-119 ◽  
Author(s):  
Yolanda Alesanco ◽  
Ana Viñuales ◽  
Joseba Ugalde ◽  
Eneko Azaceta ◽  
Germán Cabañero ◽  
...  
Keyword(s):  
Electrochromic Devices ◽  
Color Switching

Rapid switching solid state electrochromic devices based on complementary conducting polymer films

1996 ◽  
Vol 8 (10) ◽  
pp. 808-811 ◽  
Author(s):  
Shawn A. Sapp ◽  
Gregory A. Sotzing ◽  
Jerry L. Reddinger ◽  
John R. Reynolds
Keyword(s):  
Solid State ◽  
Conducting Polymer ◽  
Polymer Films ◽  
Electrochromic Devices ◽  
Rapid Switching ◽  
Conducting Polymer Films

scholarly journals Detachable Robotic Grippers for Human-Robot Collaboration

2021 ◽  
Vol 8 ◽  
Author(s):  
Zubair Iqbal ◽  
Maria Pozzi ◽  
Domenico Prattichizzo ◽  
Gionata Salvietti
Keyword(s):  
Degrees Of Freedom ◽  
Tactile Feedback ◽  
Industrial Robots ◽  
Physical Interaction ◽  
Robot Arm ◽  
Robotic Hands ◽  
End Effector ◽  
External Power ◽  
Self Powered ◽  
Automatic Tool

Collaborative robots promise to add flexibility to production cells thanks to the fact that they can work not only close to humans but also with humans. The possibility of a direct physical interaction between humans and robots allows to perform operations that were inconceivable with industrial robots. Collaborative soft grippers have been recently introduced to extend this possibility beyond the robot end-effector, making humans able to directly act on robotic hands. In this work, we propose to exploit collaborative grippers in a novel paradigm in which these devices can be easily attached and detached from the robot arm and used also independently from it. This is possible only with self-powered hands, that are still quite uncommon in the market. In the presented paradigm not only hands can be attached/detached to/from the robot end-effector as if they were simple tools, but they can also remain active and fully functional after detachment. This ensures all the advantages brought in by tool changers, that allow for quick and possibly automatic tool exchange at the robot end-effector, but also gives the possibility of using the hand capabilities and degrees of freedom without the need of an arm or of external power supplies. In this paper, the concept of detachable robotic grippers is introduced and demonstrated through two illustrative tasks conducted with a new tool changer designed for collaborative grippers. The novel tool changer embeds electromagnets that are used to add safety during attach/detach operations. The activation of the electromagnets is controlled through a wearable interface capable of providing tactile feedback. The usability of the system is confirmed by the evaluations of 12 users.

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