via University of Notre Dame
When most people think of wearable devices, they think of smart watches, smart glasses, fitness trackers, even smart clothing. These devices, part of a fast-growing market, have two things in common: They all need an external power source, and they all require exacting manufacturing processes. Until now.
Yanliang Zhang, associate professor of aerospace and mechanical engineering, and Ph.D. student Yipu Du have created an innovative hybrid printing method — combining multi-material aerosol jet printing and extrusion printing — that integrates both functional and structural materials into a single streamlined printing platform. Their work was recently published in Nano Energy.
Zhang and Du, in collaboration with a team at Purdue University led by Professor Wenzhuo Wu, also have developed an all-printed piezoelectric (self-powered) wearable device.
Using their new hybrid printing process, the team demonstrated stretchable piezoelectric sensors, conformable to human skin, with integrated tellurium nanowire piezoelectric materials, silver nanowire electrodes, and silicone films. The devices printed by the team were then attached to a human wrist, accurately detecting hand gestures, and to an individual’s neck, detecting the individual’s heartbeat. Neither of the devices used an external power source.
Piezoelectric materials are some of the most promising materials in the manufacture of wearable electronics and sensors because they generate their own electrical charge from applied mechanical stress instead of from a power source.
Yet printing piezoelectric devices is challenging because it often requires high electric fields for poling and high sintering temperatures. This adds to the time and cost of the printing process and can be detrimental to surrounding materials during sensor integration.
“The biggest advantage of our new hybrid printing method is the ability to integrate a wide range of functional and structural materials in one platform,” said Zhang.
“This streamlines the processes, reducing the time and energy needed to fabricate a device, while ensuring the performance of printed devices.”
Vital to the design, said Zhang, are nanostructured materials with piezoelectric properties, which eliminate the need for poling or sintering, and the highly stretchable silver nanowire electrodes, which are important for wearable devices attached to bodies in motion.
“We’re excited to see the wide range of opportunities that will open up for printed electronics and wearable devices because of this very versatile printing process,” said Zhang.
Original Article: A new 3D printing frontier: self-powered wearable devices
The Latest on: 3D printed self-powered wearable devices
- Wearable Sensors Market 2022 Global Industry Analysis by Trends, Size, Share, Company Overview, Growth and Forecast by 2027 Latest Research Reporton May 23, 2022 at 10:01 pm
Primarily owing to digitalization, the electronic industry has prospered significantly thereby driving the wearable technology devices that are widely used for self-health monitoring applications ...
- Sustainable Wearable Medical Devices for Health Monitoringon May 18, 2022 at 5:01 pm
One is a foam-based self-powered ... recharging the device for constant monitoring. Regarding the other wearable, the team fabricated it by dipping a piece of tissue paper into conductive material, ...
- Pivoting the Value for Flexible Hybrid Electronicson May 17, 2022 at 5:00 pm
As a result, medical device manufacturers now are looking at “digital health” solutions through an additional lens. Not only can wearable electronics help reduce ever-increasing healthcare costs, they ...
- SME and Women in 3D Printing Join Forces to Build Diverse Manufacturing Workforceon May 17, 2022 at 7:05 am
Industry leaders SME, a non-profit professional association dedicated to advancing manufacturing, and Women in 3D Printing (Wi3DP), a global organization with a mission to close the gender gap in ...
- Worldwide Automotive 3D Printer Industry to 2027 - Featuring 3D Systems, Formlabs and Markforged Among Otherson May 16, 2022 at 5:24 am
The global automotive 3D printer market is expected to grow at a significant rate during the forecast period. The growth can be attributed to the rising development of lightweight ...
- Self-charging battery generates electricity from moisture in the airon May 10, 2022 at 5:00 pm
The company's shares leapt more than 40 percent on the Australian stock exchange today after it announced what it calls a "step-change" in this self-charging technology, increasing its electrical ...
- Wearable mask allows vegetative patients to communicate by breathingon May 6, 2022 at 5:00 pm
image: A wearable mask that takes advantage of carbon nanotubes and triboelectricity should allow patients who have lost both the power ... The device is also fabricated via 3D printing resin ...
- Multi-Material 3D Printing Process Powers Wearable Deviceson May 4, 2022 at 5:01 pm
However, researchers at the University of Notre Dame and Purdue University have devised a new method that combines different 3D-printing ... Wu to develop self-powered wearable devices using the ...
- Future wearable health tech could measure gases released from skinon May 1, 2022 at 6:28 pm
Some wearable devices, like smartwatches or fitness trackers, are already capable of measuring pulse rates or temperatures, but this team's method would allow the technology to sense biomarkers ...
- Live Newson April 27, 2022 at 5:00 pm
How to Print a Robot From Scratch: New 3D Printing Approach ... the wearer's movements and power sensors and wearable electronics. Launched in January 2015, this free web journal from IDTechEx covers ...
via Bing News
The Latest on: 3D printed self-powered wearable devices
via Google News