Archive for ‘laptops’

23/03/2020

Home work triggers demand jump for chips, laptops and network goods

SEOUL/TOKYO (Reuters) – With more employees working from home to help slow the spread of the coronavirus, demand is surging for laptops and network peripherals as well as components along the supply chain such as chips, as companies rush to build virtual offices.

Many firms have withdrawn earnings forecasts, anticipating a drop in consumer demand and economic slump, but performance at electronics retailers and chipmakers is hinting at benefits from the shift in work culture.

Over the past month, governments and companies globally have been advising people to stay safe indoors. Over roughly the same period, South Korea – home of the world’s biggest memory chip maker, Samsung Electronics Co Ltd – on Monday reported a 20% jump in semiconductor exports.

Pointing to further demand, nearly one in three Americans have been ordered to stay home, while Italy – where deaths have hit 5,476 – has banned internal travel. Worldwide, the flu-like virus has infected over 300,000 people and led to almost 15,000 deaths since China first reported the outbreak in December.

“With more people working and learning from home during the outbreak, there has been rising demand for internet services … meaning data centres need bigger pipes to carry the traffic,” said analyst Park Sung-soon at Cape Investment & Securities.

A South Korean trade ministry official told Reuters that cloud computing has boosted sales of server chips, “while an increase in telecommuting in the United States and China has also been a main driver of huge server demand.”

In Japan, laptop maker Dynabook reported brisk demand which it partly attributed to companies encouraging teleworking. Rival NEC Corp said it has responded to demand with telework-friendly features such as more powerful embedded speakers.

Australian electronics retailer JB Hifi Ltd also said it saw demand “acceleration” in recent weeks from both commercial and retail customers for “essential products they need to respond to and prepare” for the virus, such as devices that support remote working as well as home appliances.

CHINA LEAD

China is leading chip demand, analysts said, as cloud service providers such as Alibaba Group Holding Ltd, Tencent Holdings Ltd and Baidu Inc quickly responded to the government’s effort to contain the virus.

“Cloud companies opened their platforms, allowing new and existing customers to use more resources for free to help maintain operations,” said analyst Yih Khai Wong at Canalys.

“This set the precedent for technology companies around the world that offer cloud-based services in their response to helping organisations affected by coronavirus.”

China’s cloud infrastructure build-up has helped push up chip prices, with spot prices of DRAM chips rising more than 6% since Feb. 20, showed data from price tracker DRAMeXchange.

UBS last week forecast average contract prices of DRAM chips to rise as much as 10% in the second quarter from the first, led by a more than 20% jump in server chips.

It said it expects DRAM chips to be modestly under supplied until the third quarter of 2021, with demand from server customers rising 31% both in 2020 and 2021.

SUPPLY DISRUPTION

Concerns over supply disruption has also contributed to a price rise.

“You’ve got lots of OEMs and systems integrators in the global market who have intense demand for memory now,” said Andrew Perlmutter, chief strategy officer at ITRenew, a company that buys and reworks used data centre equipment for resale.

“Nobody is shutting down their factories – it is still production as normal – but people worry about memory supply in particular, so they want to get out ahead of production.”

About 69% of electronics manufacturers have flagged possible supplier delays averaging three weeks, showed a poll on March 13 by industry trade group IPC International.

Half of those polled expected business to normalise by July, and nearly three-quarters pointed to at least October.

Source:Reuters

02/11/2019

Chinese scientists create tiny battery capable of working in ultra-low temperatures

  • Team from Dalian Institute of Chemical Physics says its goal is to ‘develop an all-season battery that is low cost but high safety for consumer products’
  • Researchers make breakthrough by using hard carbon and lithium vanadium phosphate
Chinese researchers say they have made a breakthrough in the development of small lithium batteries that can withstand low temperatures. Photo: Xinhua
Chinese researchers say they have made a breakthrough in the development of small lithium batteries that can withstand low temperatures. Photo: Xinhua

Chinese researchers say they have found a way to produce a tiny, lightweight lithium battery for use in mobile phones and electric cars that can hold up to 80 per cent of its charge in temperatures as low as minus 40 degrees Celsius.

The breakthrough came by using a combination of a new material called hard carbon along with lithium vanadium phosphate, the team from the Dalian Institute of Chemical Physics said in a paper published in this month’s edition of the scientific journal Nano Energy.

“Our goal is to develop an all-season battery that is low-cost but high-safety for consumer products,” said Song Zihan, its lead author.

It was an unprecedented approach, but “we proved it works”, he said.

The idea of a battery that can withstand extreme cold is not new. Photo: Shutterstock
The idea of a battery that can withstand extreme cold is not new. Photo: Shutterstock

The idea of a battery that can withstand extreme cold is not new, and they are already in use in space and in the Arctic and Antarctic.

But they tend to be very bulky because of the heating system and large amount of insulation they need to function properly at sub-zero temperatures.

Such measures are neither physically nor economically viable for applications like smartphones, cameras, laptops or electric cars. The trick, Song said, was replacing the soft graphite in normal lithium batteries with hard carbon.

Graphite is a good conductor and often used for the anode at the bottom of a battery, where electrons are generated. But the performance of graphite drops as the mercury slides.

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Song said that hard carbon was a new material that had attracted a lot of research interest in recent years, and compared with graphite, it had a much higher tolerance for the cold.

That was because of its highly irregular and “almost messy” structure, comprising layers of carbon atoms that are interconnected with each other, he said.

However, hard carbon also caused a rapid depletion of the lithium ions that served as an agent carrying the electric flow in battery, he said.

The researchers want to make battery suitable for use in consumer products. Photo: EPA-EFE
The researchers want to make battery suitable for use in consumer products. Photo: EPA-EFE

In the past, researchers have tried adding lithium powders or flakes to improve battery life, but the approach has proven costly and dangerous, mostly because pure lithium is highly reactive.

So Song and his colleagues used a composite material called lithium vanadium phosphate as the positive cathode on top of the battery.

The composite was capable of providing enough extra lithium ions for the hard carbon’s need without increasing the risk of fire or explosion, and it was cheap, he said.

“The pairing of hard carbon and lithium vanadium phosphate worked a charm,” Song said.

But the technology is still a long way from being commercially viable.

The battery Song’s team made is far too small for any real-life applications, and enlarging it would require some “innovative engineering solutions”, he said.

Another scientist involved in the project said the team was working with battery manufacturers to see if the technology could be commercialised.

Source: SCMP

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