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Friday, July 28, 2023

Claims for room temperature superconductor falling apart

By Nick Flaherty

Researchers in Korea have published a paper that they say shows the first superconductor that operates at room temperature and pressure.

The paper on the room temperature superconductor material has been published on the pre-print server and still has to go through peer review, but it is struggling to gain traction among researchers. There is currently talk of retracting the paper before it goes through peer review. 

“For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc≥400 K, 127∘C) working at ambient pressure with a modified lead-apatite (LK-99) structure,” said Sukbae Lee, CEO of the Quantum Energy Research Centre (Q-Centre) at Korea University along with colleagues Ji-Hoon Kim and Young-Wan Kwon.

Researchers at the University of Nevada developed a room temperature material back in 2020 and started a company called Unearthly Materials to develop it. Another material called Redmatter developed at the University of Rochester in the US also shows promise.  

The superconductivity of LK-99 is shown through the the Critical temperature (Tc), Zero-resistivity, Critical current (Ic), Critical magnetic field (Hc), and the Meissner effect and originates from minute structural distortion by a slight volume shrinkage (0.48 %), not by external factors such as temperature and pressure.

The unique structure of LK-99 that allows the minute distorted structure to be maintained in the interfaces is the most important factor that LK-99 maintains and exhibits superconductivity at room temperatures and ambient pressure.

The shrinkage is caused by Cu2+ substitution of Pb2+(2) ions in the insulating network of Pb(2)-phosphate and it generates the stress. The heat capacity results indicated that the new model is suitable for explaining the superconductivity of LK-99.

The LK-99 material is a modified-lead apatite crystal structure with the composition Pb10−xCux(PO4)6O (0.9<x<1.1) and was synthesized using a solid-state method and exhibits the Ohmic metal characteristic of Pb(6s1) above its superconducting critical temperature, Tc, and the levitation phenomenon as Meissner effect of a superconductor at room temperature and atmospheric pressure below Tc. A LK-99 sample shows Tc above 126.85∘C (400 K).

“We analyze that the possibility of room-temperature superconductivity in this material is attributed to two factors: the first being the volume contraction resulting from an insulator-metal transition achieved by substituting Pb with Cu, and the second being on-site repulsive Coulomb interaction enhanced by the structural deformation in the one-dimensional(D) chain (Pb2-O1/2-Pb2 along the c-axis) structure owing to superconducting condensation at Tc,” said Lee in a second paper on the structure of the material.

Thursday, July 27, 2023

Quasi-CMOS for AI chips ... Semiconductor education alliance ... Ericsson to use Intel 18A for 5G chips

By Nick Flaherty

NeoLogic raises $8m for Quasi-CMOS processor

Business news | July 26, 2023

Israeli startup NeoLogic has raised $8m to develop its Quasi-CMOS technology that builds processors with a third the number of…

China trade war drives Finnish X-ray plant expansion

Business news | July 26, 2023

Detection Technology is moving to a new production and office site in Oulu to expand its EU Origin supplies in…

Semiconductor Education Alliance to address skills shortage

Business news | July 26, 2023

ARM in the UK is coordinating a global education initiative to boost semiconductor skills. The Semiconductor Education Alliance has support…

PUF security for the smallest Internet connected devices

New Products | July 26, 2023

Intrinsic ID has developed Physical Unclonable Function (PUF) security IP for resource-constrained internet connected devices The QuiddiKey 100 PUF enables…

Mahle, ProLogium team on solid state battery tech

Business news | July 26, 2023

ProLogium has signed a Memorandum of Understanding with German automotive manufacturer Mahle to develop…

Vestel joins SMMT in electric charging drive

Business news | July 26, 2023

Turkish electronics maker Vestel has joined the Society of Motor Manufacturers and Traders (SMMT)…

Eindhoven students tap Vicor for electric racing

Business news | July 25, 2023

Students at University Racing Eindhoven (URE) have developed their lightest and fastest electric racing…

TÜV SÜD opens EV environmental test lab

Business news | July 24, 2023

TÜV SÜD America has opened a state-of-the-art environmental test lab for electric vehicles to…

Click board for automotive motor control development

New Products | July 25, 2023

Toshiba Electronics Europe has teamed up with MikroElektronika (MikroE) to integrate its DC motor…

Samsung starts mass production of automotive power inductors

New Products | July 24, 2023

Samsung Electro-Mechanics has started production of automotive power inductors for electric vehicle cameras in autonomous…

ASPICE lifecycle management certification for SK hynix

Business news | July 21, 2023

SK Hynix has achieved the first ASPICE automotive semiconductor software quality certification in Korea…

Lattice Drive stack to accelerate automotive application development

New Products | July 21, 2023

Lattice Semiconductor has launched a software stack to accelerate the development of advanced, flexible…

SoC cybersecurity management certified to ISO/SAE 21434:2021

Business news | July 20, 2023

An automotive cybersecurity management system (CSMS) for the development of microcontrollers (MCU) and system…

Intel looks to Ericsson to boost 18A process

Business news | July 26, 2023

Ericsson is to use Intel’s next generation 18A process for its 5G system on…

DVCon Europe 2023 announces keynote speakers from AMD, SiPearl

Business news | July 26, 2023

The 10th Design and Verification Conference in Europe (DVCon Europe) will see keynote sessions from AMD…

Amazon prepares for mass production of its Kuiper satellites

Business news | July 26, 2023

Amazon is building a satellite integration centre in Florida to support its factory in…

Monday, July 17, 2023

Flying electronics lab ... a biosensor for Alzheimer's ... Generative AI for RTL chip design

By Nick Flaherty

Generative AI provides 5x boost for RTL design

Business news | July 14, 2023

Cadence Design Systems has developed an analysis and debug tool to boost register transfer level (RTL) design and implementation productivity…

£115m for UK flying electronics laboratory

Technology News | July 15, 2023

Leonardo has won a £115m contract will create a ‘flying electronics laboratory’ to develop future combat air technology in the…

AI boosts biosensor for Parkinson’s disease

Technology News | July 14, 2023

Researchers at EPFL in Switzerland have developed an AI-enhanced biosensor that can detect the proteins linked to Parkinson’s and Alzheimer’s…

5G boost for watching Wimbledon tennis

Technology News | July 14, 2023

Visually impaired spectators at the finals of the Wimbledon tennis competition this weekend will be to see much more of…



Schneider launches renewable energy programme for chip makers

Business news | July 13, 2023

Schneider Electric has teamed with Intel and Applied Materials to address the supply chain…

‘Correct by construction’ tool for chip power layout down to 2nm

New Products | July 11, 2023

Siemens Digital Industries Software has developed a chip power design tool that can boost…

QPT, GaN Systems team for GaN in EVs

Business news | July 12, 2023

UK power startup QPT has signed a deal with GaN Systems for high speed…

Rohm buys Japanese fab for SiC boost

Business news | July 12, 2023

Rohm is to buy a fab in Japan to boost its production of silicon…

Report flags lack of UK automotive battery recycling

Market news | July 14, 2023

A new report is highlighting the lack of large scale automotive battery recycling in…

Siemens rolls out EV fast chargers on French autoroutes

Business news | July 13, 2023

ENGIE Vianeo has selected Siemens technologies to equip 64 freeway rest areas throughout France…

ST to expand power GaN options as production starts

Business news | July 14, 2023

STMicroelectronics is expanding the packaging options for its enhanced-mode PowerGaN HEMT high-electron-mobility transistors as…

12, 24V and 48V e-fuses for EVs with Arduino shield

New Products | July 14, 2023

Infineon Technologies has launched two 12V ultra-low ohmic high-side switches in TO-leadless packages to…

Integrated 140A VRM for high power AI chips

New Products | July 12, 2023

Flex Power Modules has launched a two-phase 140A power stage for Voltage Regulator Module…



Raspberry Pi boost with Docker-based PLC edge software

Technology News | July 13, 2023

Softing Industrial has added ARM compatibility to its Docker-based software for process control, opening…

Synopsys adds photonics to its cloud EDA service

New Products | July 13, 2023

Synopsys has expanded its Synopsys Cloud with support for photonics and added a new e-commerce…

First automotive 10BASE-T1S TSN Ethernet chips from Microchip

New Products | July 13, 2023

Microchip has launched its first automotive Ethernet short range 10Base-T1S physical layer devices with…

Wednesday, July 12, 2023

Ceramic solid state battery to ship to car makers this year

By Nick Flaherty

ProLogium says it will start shipping its solid state silicon battery to European car makers for testing by the end of this year.

The new solid state battery design with a ceramic electrolyte can nearly double the energy density of an EV pack while significantly reducing its weight and the number of cells in pack with increased cell energy says the company.

The Large Lithium Ceramic Battery (LLCB) format reduces the number of cells and the number of parallel connections in the battery pack, reducing component and assembly costs. The flat shape and the excellent thermal conductivity of the solid-state ceramic electrolyte combined can make the design of pack cooling system much less complex, thereby optimizing space and saving over 100kg.

“Last year, we announced the first solid-state battery with 100% silicon oxide anode designed to enable higher energy density at the cell level. Now, we are pleased to present the LLCB, another pioneering battery concept that will take EV battery design to the next level in terms of long range, light weight and design flexibility,” said Vincent Yang, CEO and founder of ProLogium Technology.

“ProLogium is currently cooperating with FEV to carry out verification tests of the LLCB and design applicable solutions. Samples are targeted to be delivered to European car OEMs for testing as early as the end of 2023,” said Polun Cheng, Global Project Management AVP of ProLogium Technology. European partners include Mercedes-Benz.

ProLogium is setting up its first overseas solid-state battery gigafactory in Dunkirk, France, in a €5.2bn investment. The total planned capacity of 48 GWh will be deployed in phases to supply the European EV market. “With a clear roadmap for capacity ramp-up and technology development, we are making an all-out effort to accelerate the electrification revolution by providing improved energy solutions to our partners,” said Yang.

“The LLCB will enable greater design flexibility for EVs,” said Simon Wu, Assistant Vice President of ProLogium Technology Product Centre.

“For the same space as the mainstream 2170 EV battery pack, the LLCB pack’s volumetric energy density can be nearly doubled, and for the same total energy, the LLCB pack’s weight can be cut by up to 115 kg,” he said.


Tuesday, July 11, 2023

French fab to make miniature medical solid state batteries

By Nick Flaherty

French startup InjectPower is looking to set up a fab to build solid state batteries for medical applications.

The company has developed a miniature solid state lithium ion battery technology that can be used in implanted devices. The battery cells are 0.1mm thick with a footprint of 1mm2. The key is that the batteries can be built on a 200mm wafer process with deposition, etch and passivation, and the company is currently looking for a site for a cleanroom to be up and running in 2026.

The prototype devices have been made on the 200mm pilot line at CEA-Leti in Grenoble, showing an energy density of 250Wh/l. This currently  has a yield of 50%, although the new cleanroom would see the yield increasing to 80- to 90%. A single 200mm wafer would produce 10,000 of the batteries, so a few hundred wafers would supply the predicted demand.

As a result the company has worked with US startup InjectSense which has developed a MEMEs pressure sensor, controller ASIC and wireless charging chip. These would be combined with the batteries for long-term monitoring of intra-ocular pressure (IOP) in the eyeball. This assesses the effectiveness of glaucoma treatments.

Monday, July 10, 2023

Cryogenic memory test chip ... Largest industrial generative AI lab ... Quantum algorithms for the Spanish power grid

By Nick Flaherty

UK set to rejoin Horizon Europe alongside New Zealand

Business news | July 9, 2023

After years of negotiation, UK and European Commission negotiators have reached a draft agreement on association to the €95bn Horizon…

Cryo memory test chip tapes out for quantum computers

Technology News | July 7, 2023

A UK project has taped out a demonstration chip with cryogenic memory IP for quantum computer control systems. The Innovate…

Silo AI creates Europe’s largest industrial generative AI lab

Business news | July 7, 2023

One of Europe’s largest private AI labs is expanding with the acquisition of a Nordic AI development centre. Silo AI…

Keysight to buy French real time digital twin pioneer

Business news | July 7, 2023

Keysight Technologies is to buy French virtual prototyping and digital twin pioneer ESI in a deal worth €913bn. The ESI group’s…

Infineon teams with Edge Impulse on tinyML

News | July 8, 2023

Infineon Technologies is teaming with Edge Impulse to extend its Tiny Machine Learning-based AI development tools for the PSoC 63…



Quantum boost for Spanish power grid

Technology News | July 6, 2023

Quantum algorithms from Multiverse Computing in Spain are being used to optimise the local…

Epishine raises €5m to boost solar cell production

Business news | July 7, 2023

Swedish startup Epishine has raised SEK60m (€5m) to help scale up production of its…

Funding of European solar startups up 400% in 2023

Market news | July 5, 2023

Total investment in European solar startups is up 398% on last year, with firms…

Joint venture to build UK’s largest HVDC cable system

Business news | July 6, 2023

National Grid Electricity Transmission (NGET) and SSEN Transmission have formed a five year joint…

Siemens teams for AI-enabled smart buildings in Greece

Business news | July 7, 2023

Siemens has signed a deal with Prodea Investments in Greece to install Building X,…

LFP lithium iron battery system for megawatt power storage

New Products | July 8, 2023

Delta has launched an outdoor lithium-iron battery system specifically designed for megawatt (MW) level…

UFCS fast charging dual-phase 40W charge pump for mobile and IoT

New Products | July 7, 2023

Halo Microelectronics has developed a Universal Fast Charging Standard (UFCS) fast charging protocol charger…

Bourns launches its first SiC Schottky Barrier Diodes

Business news | July 6, 2023

Bourns has developed its first Silicon Carbide (SiC) Schottky Barrier Diodes (SBDs). The 600V…

Renesas to scale SiC production with $2bn Wolfspeed wafer deal

Business news | July 5, 2023

Renesas Electronics has signed a ten year deal with Wolfspeed in the US for…

Solarwatt installs 10m solar panels across Europe

Business news | July 5, 2023

German solar panel maker Solarwatt has installed its 10 millionth panel on a house…



Last launch for Ariane 5

Feature articles | July 7, 2023

Europe’s space launcher, Ariane 5, has taken off for the last time. The 117th and…

Sensiron teams for smallest portable CO2 detector

Business news | July 7, 2023

Sensirion and ZenMeasure have teamed up to create a portable Bluetooth-enabled mobile CO2 detector…

60A DC-DC converter adjusts input over-current limits

New Products | July 6, 2023

TDK has expanded its TDK-Lambda i7A series of non-isolated buck DC-DC converters with a…