Blog

DC-DC Converters Take Advantage of the Latest Transformer Tech for Next-Gen Applications

Catwell

(Image credit: Bourns) Isolated DC-DC converters are electronic circuits or electromechanical devices that convert electrical energy from one DC voltage level to another while being electrically isolated between the input and output. That isolation...
- 31 Dec 2024
Researchers Develop Triboelectric Generator for Wearables

Catwell

The created the GPE-TENG by sandwiching a gel electrode between two triboelectric ecoflex layers. (Image Credit: Dongguk University-Seoul) We're seeing a growing demand for wearables, like medical sensors, trackers, and smartwatches, and these r...
- 12 Dec 2024
Building a Nickel-Metal Hydride (NiMH) Charger

shabaz

Table of Contents Introduction Charging Principle and Features Circuit Description A Worked Example: 4 x AA Cells Building It Tests Summary Introduction There was a recent discussion regarding thoughts on a circuit for charging NiMH batteries. I...
- 22 Nov 2024
Today’s Smart Infrastructure Rely on the Latest Environmental and HVAC Systems to Maintain Peak Efficiency

Catwell

(Image credit: Pixabay) Smart buildings are characterized as a modern structure that uses advanced technologies to automate, connect, analyze and optimize performance across a multitude of devices, systems and platforms. In today’s world, sma...
- 12 Nov 2024
Oxford Researchers Develop a Droplet Battery for Medical Devices

Catwell

The researchers developed a tiny soft rechargeable lithium-ion battery for minimally invasive medical devices. (Image credit: Yujia Zhang) University of Oxford researchers have recently developed a tiny lithium-ion battery made of biocompatible hydr...
- 12 Nov 2024
Ski Slope Power Plant in Denmark Produces Enough Power for 150k Homes Annually

Catwell

The CopenHill power plant features a ski slope, garden, cross-fit area, and hiking and running trail. (Image Credit: Bhjarke Ingels Group) Five years ago, Bhjarke Ingels Group (BIG) completed the CopenHill, a waste-to-energy power plant in Copenhag...
- 16 Oct 2024
Stretchable Fabric Converts Motion Energy into Electricity

Catwell

The fabric is made from a polymer that converts mechanical stress into electrical energy when pressed or squeezed. (Image credit: NTU Singapore via YouTube) Scientists from Nanyang Technical University (NTU) Singapore have developed a stretchable, w...
- 15 Oct 2024
Researchers Develop Tiny Nuclear Battery that Could Provide Power for Decades

Catwell

The nuclear battery design uses a small sample of americium embedded in a polymer crystal, which was combined with a photovoltaic cell and then packaged within a quartz cell. The design is rumored to be 8,000 times more efficient than previous desig...
- 2 Oct 2024
Largest Solar Plant Facility Under Construction in Illinois

Catwell

(Image Credit: Michael_Pointner/pixabay) Swift Current Energy has started building the Double Black Diamond Solar Facility, the largest solar project in southern Illinois. Once complete, the solar facility expects to produce 800 megawatts of electri...
- 1 Oct 2024
E-fuse Demand Rises as Computer Chip Technology Advances

Catwell

E-fuses can be integrated into chip designs or added to a system to protect devices from multiple failure vectors, including overcurrent, overvoltage clamping, current-induced thermal protection, and short-circuit protection. (Image credit: Pixabay)...
- 20 Sep 2024
Researchers Use Supercomputers to Make a New Solar Discovery

Catwell

A large hole polaron in the halide double perovskite. The arrows are indicative of atomic displacements with the hole at the center. (Image Credit: J. Lafuente-Bartolome.) Researchers at the Texas Advanced Computing Center are gaining more insight i...
- 12 Sep 2024
First-Even Potassium-Ion Battery Launched and It Could Replace Lithium-Ion Batteries

Catwell

Group1 recently launched the world's first potassium-ion battery, operating at 3.7V. (Image Credit: Group1) Group1 recently developed and launched the first-ever 18650 potassium-ion battery, which could replace lithium-ion batteries powering po...
- 8 Aug 2024
New Model of Ionic Transport in Porous Materials Could Bring Efficient Supercapacitors

Catwell

Researchers have discovered how tiny charged particles move within complex miniscule pores, which could be used to design more efficient supercapacitors. (Image credit: University of Colorado) Researchers from CU Boulder have discovered how small ch...
- 31 Jul 2024
ITER Has Assembled Its Magnetic System – Fusion Reactor

Catwell

The toroidal field magnets surround the tokamak vacuum vessel. (Image Credit: ITER) ITER is inching closer to going online. Its massive superconducting magnets, required for the reactor core construction, were recently transported to southern France...
- 15 Jul 2024
Wind Fence Could Be the Future of Power Generation

Catwell

The wind fence can generate 2,200 kW of power every year. (Image Credit: Airiva) New York-based designer Joe Doucet developed a wind fence to generate clean energy for urban landscapes. This modular fence is made of twisted wind turbines and has the...
- 5 Jul 2024
Michigan to See Future Green Energy Solutions Power the State with A Massive Energy Storage Facility

Catwell

DTE Energy will build a large-scale energy storage facility where the Trenton Channel Power Plant once operated. (Image Credit: DTE) Recently, DTE Energy announced plans to build a large lithium-iron-phosphate battery storage facility at a coal-bur...
- 11 Jun 2024
Researchers Improve Power Conversion Efficiency of Binary Organic Solar Cells

Catwell

The BrBACz-based binary OSC can achieve a power conversion efficiency of 19.70&. (Image Credit: NIMTE) Researchers at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences developed two self-asse...
- 6 Jun 2024
They’ve Done It! Researchers Grew Diamonds That Conduct Electricity

Catwell

Chinese researchers claim they produced diamonds that conduct electricity. (Image Credit: Bas van den Eijkhof/Unsplash) We all know about diamonds and their heat-conductive properties. They also have a high cost, which sparked a new industry: treati...
- 15 Mar 2024
Revolutionizing Graphene Batteries for Cordless Tools

Catwell

Graphene could be used in cordless tools, providing more run time and improved efficiency. (Image Credit: seagul/pixabay) Most of us own cordless tools, and these have improved due to lightweight, advanced, and smaller batteries. For example, we&#3...
- 11 Mar 2024
Need help with a school project

M_G

Hello. I am currently a student and need help in the subject of electromagnetism. What can be the maximum weight a homemade electromagnet can carry given by the power source of a 2 x 1.5 AA Battery? Afterwhich, may I ask for the type of wire, core, a...
- 10 Mar 2024
Microsoft Surface Book 2 Power Supply Teardown

shabaz

Table of Contents Introduction Removing the Case and Shielding What Parts are Used? Introduction I’ve got through a lot of model “1798” power supplies! They come with Surface laptops, and they don’t seem to last much b...
- 27 Feb 2024
The Innovative Beginnings of Harnessing Renewable Energy Sources

Catwell

(Image credit: Pixabay) The last several decades have seen a significant rise in renewable energy adoption in countries looking to reduce their dependence on fossil fuels. This endeavor is marked by innovation, necessity and the pursuit of sustainab...
- 19 Feb 2024
Waveroller is All Set for Commercial Deployment

Catwell

AW-Energy connected a 350-kW Waveroller to the power grid off a Portuguese coast. (Image Credit: AW-Energy) Although available at all times, wave energy has yet to become more popular in the renewable energy sector --- it’s just taking longer...
- 12 Feb 2024
Startup Developed a 100-Microwatt Nuclear Battery Smaller Than a Coin

Catwell

Betavolt recently said it developed a 100-microwatt nuclear battery and plans to release a 1W version next year. (Image Credit: Betavolt) A Beijing-based startup, Betavolt, says it developed BV100, a small 100-microwatt/3V nuclear battery that...
- 29 Jan 2024
Japan’s Ultra-Thin, Flexible Perovskite Solar Cells Could Overtake China In The Solar Panel Market

Catwell

EneCoat Technologies’ thin and flexible perovskite solar cell can generate electricity in low-lighting conditions. (Image Credit: EneCoat Technologies) Japan-based startup EneCoat Technologies is working on a thin-flexible perovskite solar ce...
- 22 Jan 2024