Current Electrodes News and Events

Current Electrodes News and Events, Electrodes News Articles.
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Restoring a rudimentary form of vision in the blind
Restoration of vision in blind people through a brain implant is on the verge of becoming reality. Recent discoveries at the Netherlands Institute for Neuroscience (NIN) show that newly developed high-resolution implants in the visual cortex make it possible to recognize artificially induced shapes and percepts. The findings were published in Science on 3 December. (2020-12-03)

High-definition brain prosthesis demonstrates artificial shape perception in monkeys
An implant packed with more than 1000 tiny, brain-stimulating electrodes generates recognizable perceptions of motion and complex shapes - including letters of the alphabet - in a monkey's mind. (2020-12-03)

Human Brain Project-supported innovation published in Science
Human Brain Project research has helped lay the foundation for a brain implant that could one day give blind people their sight back. Recent discoveries at the Netherlands Institute for Neuroscience (NIN) show that in monkeys, newly developed high-resolution implants in the visual cortex make it possible to recognize artificially induced images. The findings were published in Science on 3 December. For further development towards application in humans, the high-resolution 3D digital brain atlases of HBP's EBRAINS Research Infrastructure will become instrumental. (2020-12-03)

ETRI, DGIST develop new electrode structure for all-solid-state secondary battery
South Korean researchers have developed a new type of electrode structure for all-solid-state secondary batteries. If this technology is adopted, the energy density of the batteries could increase significantly when compared to existing technologies, contributing tremendously to the development of high-performance secondary batteries. (2020-12-02)

Patterning method could pave the way for new fiber-based devices, smart textiles
Multimaterial fibers that integrate metal, glass and semiconductors could be useful for applications such as biomedicine, smart textiles and robotics. But because the fibers are composed of the same materials along their lengths, it is difficult to position functional elements, such as electrodes or sensors, at specific locations. Now, researchers reporting in ACS Central Science have developed a method to pattern hundreds-of-meters-long multimaterial fibers with embedded functional elements. (2020-11-25)

Which speaker are you listening to? Hearing aid of the future uses brainwaves to find out
In a noisy room with many speakers, hearing aids can suppress background noise, but they have difficulties isolating one voice - that of the person you're talking to at a party, for instance. Researchers at KU Leuven, Belgium, have now addressed that issue with a technique that uses brainwaves to determine within one second whom you're listening to. (2020-11-24)

Creating higher energy density lithium-ion batteries for renewable energy applications
Lithium-ion batteries that function as high-performance power sources for renewable applications, such as electric vehicles and consumer electronics, require electrodes that deliver high energy density without compromising cell lifetimes. In the Journal of Vacuum Science and Technology A, researchers investigate the origins of degradation in high energy density LIB cathode materials and develop strategies for mitigating those degradation mechanisms and improving LIB performance. (2020-11-24)

Perfect imperfection: Electrode defects boost resistive memory efficiency
Resistive switching memory devices offer several advantages over the currently used computer memory technology. Researchers from the MIPT Atomic Layer Deposition Lab have joined forces with colleagues from Korea to study the impact of electrode surface morphology on the properties of a resistive switching memory cell. It turned out that thicker electrodes have greater surface roughness and are associated with markedly better memory cell characteristics (2020-11-23)

Sensors get a laser shape up
Laser writing breathes life into high-performance sensing platforms. (2020-11-15)

Anions matter
Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in the electrolyte. The results, which have been published in the journal Angewandte Chemie, reveal the importance of sulfate anions. Sulfate-based electrolytes gave zinc-ion hybrid capacitors outstanding performance and extra-long operability. (2020-11-13)

Convenient antioxidant capacity measurement of food
Japanese researchers have developed a system to quickly and easily measure the antioxidant capacity of food. The new electrochemical system uses Bicontinuous Microemulsion (BME), where a mixture of water and oil is gelated and integrated with a sheet-type electrode. This system can easily be used by anyone anywhere and is expected to be used for quality control in the production, manufacturing and sale of food products. (2020-11-12)

Improving high-energy lithium-ion batteries with carbon filler
Lithium-ion batteries are the major rechargeable power source for many portable devices as well as electric vehicles, but their use is limited, because they do not provide high power output while simultaneously allowing reversible energy storage. Research reported in Applied Physics Reviews aims to offer a solution by showing how the inclusion of conductive fillers improves battery performance. (2020-11-10)

Creating 3D virtual personas of all-solid-state batteries, building a better tomorrow
Scientists are eyeing all-solid-state-lithium batteries as a safer alternative to conventional lithium-ion batteries; but their performance needs much improvement. Now, with the 3D digital twin technology that a team from Korea has developed, a 3D digital replica of the real thing can be developed, and their solid interface microstructures can be studied in detail, potentially accelerating their advancement manifold. (2020-11-09)

New insight into how brain neurons influence choices
By studying animals choosing between two drink options, researchers at Washington University School of Medicine in St. Louis have discovered that the activity of certain neurons in the brain leads directly to the choice of one option over another. The findings could lead to better understanding of how decision-making goes wrong in conditions such as addiction and depression. (2020-11-02)

Boosting the capacity of supercapacitors
Carefully designed covalent organic frameworks could make supercapacitor electrodes that have a greater ability to store electric charge. (2020-11-01)

Smart tablecloth can find fruit and help with watering the plants
This interactive fabric can identify items and find lost valuables. When an object or an object's status is determined, the fabric can trigger a desired action or prompt. (2020-10-30)

Performance test for neural interfaces
Freiburg researchers develop guidelines to standardize analysis of electrodes. (2020-10-28)

Optical wiring for large quantum computers
Researchers at ETH have demonstrated a new technique for carrying out sensitive quantum operations on atoms. In this technique, the control laser light is delivered directly inside a chip. This should make it possible to build large-scale quantum computers based on trapped atoms. (2020-10-22)

Nonverbal doctor-patient rapport relieved pain during acupuncture treatment
When 22 acupuncture clinicians and 23 patients seeking pain relief mirrored each other's facial expressions during acupuncture treatment, patients experienced less pain, according to a new study. Additionally, brain activity involved in representing the mental state of others, which is key for empathy and compassion, became more aligned after the doctor and (2020-10-21)

Sludge-powered bacteria generate more electricity, faster
A new electroactive bacterium could help fuel wastewater treatment reactors. (2020-10-19)

LiU researchers first to develop an organic battery
Researchers at the Laboratory of Organic Electronics, Linköping University, have for the first time demonstrated an organic battery. It is of a type known as a 'redox flow battery', with a large capacity that can be used to store energy from wind turbines and solar cells, and as a power bank for cars. An article now published in Advanced Functional Materials. (2020-10-15)

The perfect angle for e-skin energy storage
Researchers at DGIST have found an inexpensive way to fabricate tiny energy storage devices that can effectively power flexible and wearable skin sensors along with other electronic devices, paving the way towards remote medical monitoring & diagnoses and wearable devices. Their findings were published in the journal Nano Energy. (2020-10-12)

One electrode fits all functional groups
IBS and KAIST researchers employed the gold electrode and attached the target molecules onto the electrode. Just like functional groups generate diverse electronic effects, one electrode fits all reactions as the single electrode can behave like multiple functional groups just with the switch of applied voltage. (2020-10-08)

New findings pave the way to environmentally friendly supercapacitors
Similar to batteries, supercapacitors are suitable for the repeated storage of electrical energy. TU Graz researchers have presented a particularly safe and sustainable variant of such a supercapacitor in Nature Communications. (2020-10-07)

Two-dimensional MXene as a novel electrode material for next-generation display
Two-dimensional MXene as a novel electrode material for next-generation display. (2020-10-05)

INRS researchers develop a new membraneless fuel cell
The research team of INRS (Institut national de la recherche scientifique) professor Mohamed Mohamedi has designed a green membraneless fuel cell that uses oxygen from the air. The results of this innovative microfluidic application -- a first in Canada -- were published in Renewable and Sustainable Energy Reviews. (2020-09-29)

Generating renewable hydrogen fuel from the sea
The power of the sun, wind and sea may soon combine to produce clean-burning hydrogen fuel, according to a team of Penn State researchers. The team integrated water purification technology into a new proof-of-concept design for a sea water electrolyzer, which uses an electric current to split apart the hydrogen and oxygen in water molecules. (2020-09-29)

Recording thousands of nerve cell impulses at high resolution
ETH Zurich researchers have developed a new generation of microelectrode-array chips for measuring nerve impulses, enabling studies of how thousands of nerve cells interact with each other. (2020-09-28)

How to bounce back from stretched out stretchable sensors
Elastic can stretch too far and that could be problematic in wearable sensors. A team of researchers at Yokohama National University has proposed a fix to prevent too much stretching while improving the sensing ability of electronics. This could lead to advanced prosthetics or disaster recovery robotics. They published their results on July 29 in the Scientific Reports. (2020-09-24)

Dresden physicists develop printable organic transistors
Scientists at the Institute of Applied Physics at TU Dresden have come a step closer to the vision of a broad application of flexible, printable electronics. The team around Dr Hans Kleemann has succeeded for the first time in developing powerful vertical organic transistors with two independent control electrodes. The results have recently been published in the renowned online journal ''Nature Communications''. (2020-09-22)

NIST scientists get soft on 3D printing
Researchers at the National Institute of Standards and Technology (NIST) have developed a new method of 3D-printing gels and other soft materials. Published in a new paper, it has the potential to create complex structures with nanometer-scale precision. (2020-09-22)

Scientists identify solid electrolyte materials that boost lithium-ion battery performance
The discovery could help battery researchers design the first solid electrolytes that are safe, cheap and efficient. (2020-09-21)

Development of high-sensitivity, wide-IF band heterodyne receiver in THz frequency range
The National Institute of Information and Communications Technology has developed a unique superconducting hot electron bolometer mixer (HEBM) using magnetic materials. The 2 THz band HEBM produced this time has a low noise performance of about 570 K (DSB), which is about 6 times the quantum noise limit, and a wide IF band characteristic of about 6.9 GHz, which is about 3 GHz larger than the conventional structure HEBM. Both of these are world-class performance. (2020-09-18)

Fast calculation dials in better batteries
A simpler and more efficient way to predict the performance of batteries will lead to better batteries, according to Rice University engineers. (2020-09-16)

Lightweight green supercapacitors could charge devices in a jiffy
In a new study, researchers at Texas A&M University have described their novel plant-based energy storage device that could charge even electric cars within a few minutes in the near future. Furthermore, they said their devices are flexible, lightweight and cost-effective. (2020-09-08)

First 'plug and play' brain prosthesis demoed in paralyzed person
In a significant advance, researchers working towards a brain-controlled prosthetic limb at the UC San Francisco Weill Institute for Neurosciences have shown that machine learning techniques helped a paralyzed individual learn to control a computer cursor using their brain activity without requiring extensive daily retraining, which has been a requirement of all past brain-computer interface (BCI) efforts. (2020-09-07)

Tel Aviv University study sheds light on brain mechanism activated by uncertainty
A new Tel Aviv University study examined the brain's reactions in conditions of uncertainty and stressful conflict in an environment of risks and opportunities. The researchers identified the areas of the brain responsible for the delicate balance between desiring gain and avoiding loss along the way. (2020-09-01)

Battery life for wearable electronic devices could be improved
Researchers in WMG and the Department of Physics at the University of Warwick have found that asymmetric stresses within electrodes used in certain wearable electronic devices provides an important clue as to how to improve the durability and lifespan of these batteries. (2020-08-25)

A smart eye mask that tracks muscle movements to tell what 'caught your eye'
Integrating first-of-its-kind washable hydrogel electrodes with a pulse sensor, researchers from the University of Massachusetts Amherst have developed smart eyewear to track eye movement and cardiac data for physiological and psychological studies. The eyewear -- known as Chesma and presented August 20 in the journal Matter--provides accurate measurements in an everyday environment without compromising users' comfort. (2020-08-20)

UMass Amherst scientists invent new sensing eye mask
From the team that invented physiology-sensing pajamas at UMass Amherst, now comes a new, lightweight eye mask that can unobtrusively capture pulse, eye movement and sleep signals, for example, when worn in an everyday environment. Senior authors, materials chemist Trisha L. Andrew and computer scientist Deepak Ganesan, say that ''being able to track pulse and eye movement in a single wearable device will enable a host of sleep and psycho-social studies. (2020-08-20)

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