Sat. Jan 22nd, 2022


One company that aims to improve lithium-ion batteries by up to 50 percent is the Sila Nano, which Wired was profiled late last year. Sila nanotechnology can contain about 24 times more lithium without swelling, the company says. And it is currently working with BMW and Daimler on batteries for EVs as well as batteries for consumer electronics products.

In September 2021, buzzing wristband-maker Hoop released a New version of its activity-tracker It is battery-powered with Sila Nano technology – which matches the five-day battery life of the previous tracker, but with much smaller battery cells. The Hoop 4.0 launch was notable for having the first Sila Nano battery to ship a consumer product. But it was also damaged by a series of customer complaints on Reddit Oops the battery won’t charge that And Delayed response time From customer service.

Enovix, the company Srinivasan suggests, is also working on a silicone-based solution, but it is taking a slightly different approach. It is creating a “3D” silicon battery architecture that involves stacking the electrodes in the battery cell instead of coiling it – a method of battery design from which to borrow Chipmaking The method, which the company says makes more efficient use of space in the battery.

Harold Rust, co-founder and CEO of Anovix, outlined at least four challenges to the underlying mass adoption of silicon-anode batteries. One is swelling with silicone; Another, its production. (Gene Berdychevsky, founder of Sila Nano) Told WIRED That silicon nanoparticles are difficult to make.) Another problem Energy efficiency, Which varies from material to material in lithium-ion batteries. And, rust says, “the silicon anode itself tends to have a weak cycle life, which means that after a hundred cycles, your battery probably loses 20 percent of its capacity.”

Still, bullish on the possibility of rusty silicon anode. “We’re pretty confident that our batteries will do what they can, based on what we’ve tested,” he said. “And we hope to have products this year that showcase it.”

WIRED has asked HyperX, the maker of 300-hour headphones, if the company is using silicon-anode technology in its upcoming products. “We don’t have detailed access to that level of design,” said Gurpreet Bhutto, a spokesman for the company, adding that the new headphones would be the first gaming headset on the market to offer 300 hours of battery life. Single charge. Later, after further investigation, the spokesperson said that the designs of HyperX are proprietary. For now, the HyperX may offer extra battery life in the old fashioned way: designed for larger batteries, built with hyper-efficient processors, or using specific methods to reduce power consumption when not using headphones.

Which a Bad Ways to improve battery life. Srinivasan noted that there is a “parallel” to all these advances in battery technology, which means that electronics are becoming more efficient as entrepreneurs aim to maximize battery life.

“I’m thinking of Apple’s M1 chip, which is obviously for Apple, but the idea is that technologists are reducing the load on the battery,” says Srinivasan. The confluence of these two things. “


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