Ulsan National Institute of Science and Technology

The Battery that Runs 630 km on a Single Charge

The number of newly registered electric vehicles in Korea surpassed 100,000 units last year alone. Norway is the only other country to match such numbers. The core materials that determine the battery life and charging speed of now commonly seen EVs are anode materials. Korea's domestic battery industry has been committed to finding revolutionary ways to increase the battery capacity by introducing new technologies or other anode materials. But what if we get rid of anode materials altogether?

Measuring Pulse Waves with Hair Thin Printed Patches

A pulse wave is a wave in which the blood flow - that originates from the heartbeat - is transmitted to the body. It is an important biosignal that indicates cardiovascular health. Analyzing the pulse wave signal can diagnose cardiac conditions including high blood pressure, arteriosclerosis and more. However, conventional pulse wave measuring devices are cumbersome as they require wearing the blood-pressure measuring cuff or stiff tong-shaped sensor and can mostly be performed at hospitals.

New Lead-Based Anode for Next-Gen Lithium-Ion Batteries

Scientists report a new electrode design for the lithium-ion battery using the low-cost materials lead as well as carbon.

Graphene Protects Perovskite Solar Cells from Damage

A team of researchers has come up with a novel electrode that could greatly improve the stability of perovskite solar cells, the most promising candidate for the next generation solar cells due to their low cost and high power conversion efficiency.

Tiny Micro Supercapacitor, Ideal for Wearable Devices

A tiny microsupercapacitor that is as small as the width of a person's fingerprint and can be integrated directly with an electronic chip has been developed. This has attracted major attention as a novel technology to lead the era of Internet of Things since it can be driven independently when applied to individual electronic components.

New Catalyst Provides Boost to Next-Generation EV Batteries

A research team has announced that a new catalyst that could boost metal-air batteries performance, such as discharge and charge efficiency, was developed recently.

All‐Solid‐State Printed Bipolar Li-S Batteries

Ultrahigh‐capacity and fire‐resistant batteries have been developed. The new battery has improved both the performance and safety of the "lithium-sulfur batteries," which have much larger capacities than commercialized lithium ion batteries, thus is easy to manufacture via the printing process.

Improved 3D Nanoprinting Technique to Build Nanoskyscrapers

Nanowalls, nanobridges, nano "jungle gyms": it could seem the description of a Lilliputian village, but these are actual 3D-printed components with tremendous potential applications in nanoelectronics, smart materials and biomedical devices.

Freestanding Microwire-Array Enables Flexible Solar Window

TSCs are emerging devices that combine the advantages of visible transparency and light-to-electricity conversion. One of the valuable prospective applications of such devices is their integration into buildings, vehicles, or portable electronics.

Punching Holes in Opaque Solar Cells Turns Them Transparent

Researchers have found an effective and inexpensive strategy to transform solar cells from opaque to transparent. Existing transparent solar cells tend to have a reddish hue and lower efficiency, but by punching holes that are around 100 μm in diameter (comparable in size to a human hair) on crystalline silicon wafers, it allows light through without coloring.

3D interconnection technology for future wearable bioelectronics

The wearable biotech industry has recently revealed its insatiable hunger for futuristic items. Pain relief goggles that monitor brain waves, vital sign monitoring stickers, and even mind reading glasses.