Even if you are not an electronics enthusiast, you will notice that the volume of electronics is shrinking dramatically. Arduinos and Raspberry Pi have become so small that they can be embedded in any handheld electronic device. However, the current miniaturization of electronic products has encountered bottlenecks, mainly because the battery can not be made smaller, which is why microchip spy devices and micro-medical implant devices are still hard to come by.
Note: The Arduino is a convenient, flexible and easy-to-use, open source electronic prototyping platform that includes hardware (Arduino board models) and software (Arduino IDE). The Raspberry Pi is a mini-computer for computer amateurs, teachers, schoolchildren and small business users. It comes with a preinstalled Linux system and a credit card size. The Raspberry Pi is equipped with an ARM-based processor and has the same computing performance as a smart phone.
Scientists at the University of Illinois at Urbana-Champaign think they can break the deadlock by using a special 3D printing technology to create an ultra-miniature battery. They use 3D printing in conjunction with 2D holographic lithography to make very small structures that are one-shot. In other words, 2D layer lithography is used to print 3D batteries.
The lithium-ion battery they make using this technology can generate 0.5mA of current, enough to light the LED light source. The same can also be used for other micro-electronic devices and medical equipment, although the battery is small, but the power is not small. Paul Braun, a professor of materials science and engineering, states on the university's Web site: "This 3D printed cell has outstanding performance and good malleability, with a very wide range of future practical applications."
"Now that many electronic products can not be further miniaturized because of miniaturized battery technology, this miniaturized, high-efficiency, high-energy chip battery has a wide range of future applications for micro-motors, distributed wireless sensors and transmitters, and mobile And implantable medical equipment. "
The findings, published in the Proceedings of the National Academy of Sciences, lead author Ning Hailong, said they combine multiple manufacturing techniques to define cell size, shape, surface area, porosity and bending degree. These parameters are primarily controlled during the etching step and provide a flexible design for the power supply on the next generation of chip devices. "The batteries have good ductility and are compatible with precision machining. People have high expectations for these interesting 3D printed cells, especially for medical applications. Unfortunately, we have to wait a few years The technology will enter commercial.
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