Ultra-Long Battery Life Is Coming … Eventually

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if there was Of any product revealed at CES last week that pushed battery life claims to a whole new level—and even raised a few eyebrows—it was HyperX’s 300-hour pair of headphones. The wireless gaming headset, called the Cloud Alpha Wireless, is believed to offer 300 hours of continuous use on a single charge when the product launches this spring. That’s over 30 hours per charge in HyperX’s previous model, the Cloud II Wireless.

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A 10-fold improvement in battery life in a short amount of time is practically unheard of in consumer electronics. HyperX declined to share specific details about how it would accomplish this leap, except that it deployed a combination of battery and chip technologies and added its “dual-chamber technology” and drivers to 1,500-mAh lithium-ion batteries. Updated to accommodate polymer batteries. ,HyperX’s new gaming headphones get 300 hours of battery life, and I don’t know how that’s possibleGizmodo chose the title for their story about these immortal sound cans.

And HyperX wasn’t alone in its bonkers battery claims at CES. The latest wireless headphones from Technics are expected to get 50 hours per charge. Chipmaker AMD said its new Ryzen chips will enable 24-hour battery life in laptops. Even as electric-carmakers were in it, Mercedes promised more than 600 miles per charge in its Vision EQ600 prototype vehicle.

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Since none of these products are available yet, it’s hard to know if they’ll live up to the hype. Battery life, say experts Is Consumer electronics is getting better – through a combination of super-efficient processors, low-power states, and a little help from advanced technologies like silicon anodes. It’s not necessarily 10 times better. Conventional lithium-ion batteries have energy density limits, and they typically improve by a single-digit percentage each year. And there are downsides to pushing the limits of energy density.

“Batteries are getting a little better, but when batteries get better in energy density, there is usually a trade-off with cycle life,” says Venkata Srinivasan, who researches energy storage. and director of the Argonne Collaborative Center for Energy Storage Science. , “If you go to the big consumer electronics companies, they’ll have a metric they want to achieve, like we need a battery to last 500 cycles over two or three years. But some smaller companies will last longer. May choose to run, and live with the fact that the product may not last for two years.”

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Srinivasan, like many other technologists, is optimistic these days that relatively new developments in silicon-anode technology will improve battery life. (One of the companies Srinivasan advises, called Anovix, has developed a cell architecture for silicon-anode batteries that it believes will set it apart from others on the market.) Traditional graphite-based lithium -Ion batteries are rechargeable batteries that contain lithium ions. Move from the negative electrode (anode) to the positive electrode (cathode). A major component of these batteries is graphite, which goes to the anode and is highly conductive. In silicon-anode batteries, silicon nanoparticles replace some or all of the graphite at the anode. This silicon could, in theory, absorb more lithium than graphite, which equates to a greater energy density; It is also prone to swelling and even fracturing.

One company aiming to improve lithium-ion batteries by up to 50 percent is Sila Nano, which Nerdshala Profiled at the end of last year, The company says the Sila Nano technology can hold about 24 times as much lithium without swelling. And it’s currently working with BMW and Daimler on batteries for EVs as well as batteries for consumer electronics products.

And in September, buzzy wristband-maker Whoope revealed a new version of its activity-tracker, powered by a battery with Sila Nano’s technology—which was designed to match the five-day battery life of the previous tracker. Was asked for, but with a much smaller battery cell. The Hoop 4.0 launch was notable as it contained the first Silla Nano battery to ship in a consumer product. But it was also affected by a series of customer complaints on Reddit about Whoop Batteries That Won’t Charge And delayed response time from customer service.

Srinivasan’s advising company Anovix is ​​also working on a silicon-based solution, but is taking a slightly different approach. It is creating what it calls a “3D” silicon battery architecture, which involves stacking electrodes instead of depositing them within the battery cell – an approach to battery design that borrows chipmaking Methods, which the company says make more effective use of the space within the battery.

Enovix cofounder and chief executive Harold Rust points to at least four challenges to the widespread adoption inherent in silicon-anode batteries. there is a swelling that accompanies silicone; Second, its construction. (Silla Nano founder Jean Berdichevsky also told Nerdshala that manufacturing silicon nanoparticles is difficult to scale.) There’s another problem. energy efficiency, which varies from material to material in a lithium-ion battery. And, Rust says, “silicon anodes have poor cycle life, meaning that after a hundred cycles, your battery might lose 20 percent of its capacity.”

Still, Rust is bullish about the potential for silicon anodes. “We’re very confident that we say what our battery can do, it will do based on the testing we’ve done,” he says. “And we expect this year to be in products that demonstrate that.”

Nerdshala asked HyperX, the maker of 300-hour headphones, if the company is using silicon-anode technology in its upcoming product. Company spokesman Gurpreet Bhoot said, “We don’t have access to that level of design detail,” and reiterated that the new headphones will be the first gaming headset on the market to offer 300 hours of battery life. single fee. Later, after further inquiries, the spokesperson said that HyperX’s designs are proprietary. For now, HyperX can squeeze out extra battery life the old-fashioned way: by designing for bigger batteries, building with a hyper-efficient processor, or using a few methods to reduce power consumption when the headphones aren’t in use. To use.

one who is not Bad How to improve battery life. Srinivasan explains that there is a “parallel running” with all these advances in battery technology, which is that electronics are getting more efficient as entrepreneurs are intent on maximizing battery life.

“I’m thinking of Apple’s M1 chip, which is obviously exclusive to Apple, but the idea is that the technologists are reducing the load on the battery,” says Srinivasan, “while simultaneously holding it in the battery.” Strength is being added. Maybe the important thing we are looking at here is the confluence of these two things. ,


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