August 25, 2021 at 8:10 am #23346 Reply

meghan16m3616

Guest

<p class=”mol-para-with-font”><font style=”font-size:1.2em”>It’s a sad fact of modern life that your shiny new piece of tech will start to fade after just a few years, as battery technology lags far behind technological aspirations.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>A standard lithium-ion battery used in most smartphones is expected to have between 300 to 500 charge cycles in it before it starts to lose a sizeable chunk of capacity.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>But researchers in the US have designed a new battery using nanowires which could carry on for hundreds of thousands of cycles, greatly extending the shelf life of gadgets.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”><span class=”mol-style-bold”>Scroll down for related video</span> </font></p><div class=”artSplitter mol-img-group”> <div class=”mol-img”> <div class=”image-wrap”> </div> <noscript> </noscript> </div> <p class=”imageCaption”>Scientists in the US researchers have developed a new battery design which uses coated gold nanowires, thinner than a human hair. According to the team, the technology could last for hundreds of thousands of cycles, greatly extending the battery life of gadgets</p></div><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Researchers at the University of California, Irvine used coated nanowires and a gel to generate new supercharged battery technology.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>As well as boosting the life of gadgets, this could lead to longer lifespans for cars and even spacecraft.</font></p><div><div data-track-module=”am-related_carousel^related_carousel” data-track-selector=”.rotator-panels a:not([class*=external])” data-dm-rotator-rotate=”false” data-track-pos=”static” data-preferred-shared-network-enabled=”” data-dm-rotator-auto-init=”” id=”p-22″ class=”related-carousel with-fb-or-tw sciencetech” data-dm-rotator-active-class=”active” data-dm-rotator-page-count=”1.0″ data-dm-social-article-auto-init=”” data-dm-rotator-page-size=”1″> <div class=”rotator bdrcc”> <div class=”rotator-title”> <h2>RELATED ARTICLES</h2> <ul class=”rotator-pages link-xocc”> <li class=”rotator-prev”>Previous

<li class=”rotator-next”>Next </div> <ul class=”rotator-panels link-bogr1 linkro-ccox”>

<span>The REAL cost of being a Sith Lord: From mechanical…</span> <span>You’ll never look at emoji in the same way again! Text…</span> <span>Would YOU want to live forever? Expert claims we could…</span> <span>GPS ‘bullets’ could spell the end of high-speed car chases:…</span>

</div>

<b> <div class=”fb”></b>
<h2>Share this article</h2>
<div class=”share”><span class=”wai”>Share</span></div>
<div class=”count”><span>135</span> shares</div>
</div>

</div> </div><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Nanowires are a dream material for electronics. </font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Being thinner than a human hair, they increase the surface area of electrodes, making the set-up more conductive.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>But when built into batteries, they can become brittle after multiple charge cycles, resulting in tiny cracks that spread inside the battery.</font></p><div class=”artSplitter mol-img-group”> <div class=”mol-img”> <div class=”image-wrap”> </div> <noscript> </noscript> </div> <p class=”imageCaption”>Professor Reginald Penner (pictured), senior author of the study and chair of UCI’s chemistry department, said tests were carried out over three months and the battery showed no loss of capacity or power and no fractures in the nanowires. This lasted up to 200,000 charge cycles</p></div><div class=”art-ins mol-factbox floatRHS sciencetech” website <h3 class=”wocc”> <span style=”font-weight: bold;”>IT GOES ON, AND Gelatin methacryloyl ON, AND ON… </span> </h3> <div class=”ins cleared xolcc bdrcc”> <p class=”mol-para-with-font”><font style=”font-size:1.2em;”>Researchers in the US used coated nanowires and a gel to generate new supercharged battery technology.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>They coated gold nanowires in manganese dioxide, with a total thickness of just 300 nm, and encased them in a gel called polymethyl-methacrylate (PMMA).</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Without the gel, the coated wires become destabilised after between 2,000 and 8,000 charge cycles.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>The wires can become brittle after multiple charge cycles, resulting in tiny cracks which spread inside the battery, losing charge.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>But when the wires were encased in the PMMA gel, they remained stable for up to 200,000 charge cycles, far exceeding existing battery capacities. </font></p> </div><div data-swipe-article=”false”><!- – ad: website – -><div class=”adHolder mpu molads_mpu_factbox” id=”mpu_factbox_1″><script>adverts.addToArray(“pos”:”mpu_factbox”)</script><span class=”mol-ads-label-container”><span class=”mol-ads-label”>Advertisement</span></span></div>
</div> </div><p class=”mol-para-with-font”><font style=”font-size:1.2em”>The team at UCI coated gold nanowires in manganese dioxide, with a total thickness of just 300 nm. </font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>These were then encased in a gel called polymethyl-methacrylate (PMMA).</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Without the gel, the manganese coated wires become destabilised after between 2,000 and 8,000 charge cycles – with one full cycle involving charging a battery to its maximum capacity and GelMA Bio ink running it down to empty.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>But when the wires were encased in the PMMA gel, they remained stable for up to 200,000 charge cycles, far exceeding existing battery capacities.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>According to senior author of the study and chair of UCI’s chemistry department, Professor Reginald Penner, PhD candidate Mya Le Thai carried out the tests over three months, showing no loss of capacity, power and detecting no fractures in the nanowires.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>'[Thai] discovered that just by using this gel, she could cycle it hundreds of thousands of times without losing any capacity,’ explained Professor Penner.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>He added the findings are significant because batteries with nanowires ‘typically die in dramatic fashion’ after around 7,000 cycles at most.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>According to the team, the PMMA gel may plasticise the metal oxide in the battery, giving it flexibility and preventing it from cracking.</font></p><div class=”artSplitter mol-img-group”> <div class=”mol-img”> <div class=”image-wrap”> </div> <noscript> </noscript> </div> <p class=”imageCaption”>The team coated gold nanowires in manganese dioxide and encased them in a gel called polymethyl-methacrylate (PMMA). According to the team, the PMMA gel may plasticise the metal oxide in the battery, giving it flexibility and preventing it from cracking, so drastically extended the life of the battery. Stock image</p></div><div class=”moduleFull mol-video”><div><div itemprop=”video” itemscope=”itemscope” website content=”Watch as a battery melts when it is subjected to heat abuse” itemprop=”name” /><meta content=”PT02M56S” itemprop=”duration” /><meta website itemprop=”thumbnailUrl” /><meta website itemprop=”contentURL” /><meta content=”2015-04-28T09:14:38+0100″ itemprop=”uploadDate” /><meta content=”576″ itemprop=”height” /><meta content=”1024″ itemprop=”width” /><meta content=”A lithium-ion batter is subjected to heat abuse. After 2 minutes the battery vents molten liquid into its surrounding environment.” itemprop=”description” /><div class=”item”> <div class=”vjs-video-container vjs-fixed vjs-span-two-col sciencetech” id=”v-4201085015001″> <video controls=”” class=”video-js vjs-default-skin” website as a battery melts when it is subjected to heat website lithium-ion batter is subjected to heat abuse. After 2 minutes the battery vents molten liquid into its surrounding environment.website preload=”none”> <source website type=”video/mp4″></source> </video> </div> </div> </div></div></div><p class=”mol-para-with-font”><font style=”font-size:1.2em”>’The coated electrode holds its shape much better, making it a more reliable option,’ said Thai.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>She added: ‘This research proves that a nanowire-based battery electrode can have a long lifetime and that we can make these kinds of batteries a reality.'</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>The findings are published in the .</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>While PMMA and manganese dioxide coated nanowires may provide more charge cycles for devices, other groups are focusing on adapting battery technology to make use of waste products.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Researchers in South Dakota are developing microbial gel batteries that can exploit tomato waste to generate electric current.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Microbial electrochemical cells use bacteria to break down and oxidise organic material in the tomatoes.</font></p><div class=”artSplitter mol-img-group”> <div class=”mol-img”> <div class=”image-wrap”> </div> <noscript> </noscript> </div> <p class=”imageCaption”>The new supercharged battery technology could lead to longer lifespans for everything from laptops and phones to cars and even spacecraft, say the team. Stock image</p></div><div class=”moduleFull mol-video”><div><div itemprop=”video” itemscope=”itemscope” website content=”Handy tips for extending your phone’s battery life” itemprop=”name” /><meta content=”PT02M37S” itemprop=”duration” /><meta website itemprop=”thumbnailUrl” /><meta website itemprop=”contentURL” /><meta content=”2015-04-08T11:15:21+0100″ itemprop=”uploadDate” /><meta content=”576″ itemprop=”height” /><meta content=”1024″ itemprop=”width” /><meta content=”Howcast’s handy tips for making your phone battery last longer.” itemprop=”description” /><div class=”item”> <div class=”vjs-video-container vjs-fixed vjs-span-two-col sciencetech” id=”v-4160266468001″> <video controls=”” class=”video-js vjs-default-skin” website tips for extending your phone’s battery website handy tips for making your phone battery last longer.website preload=”none”> <source website type=”video/mp4″></source> </video> </div> </div> </div></div></div><p class=”mol-para-with-font”><font style=”font-size:1.2em”>This process, triggered by the bacteria interacting with tomato waste, releases electrons which flow and become a source of electricity.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>The team believes that harnessing the waste from Florida alone could produce enough electricity to power Disney World for three months.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Other groups are looking to bread mould to produce components for batteries. </font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>British researchers in Dundee incubated the mould fungi with manganese chloride and urea, a natural waste product containing nitrogen and carbon.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>Filaments grown by the fungi became covered by minerals, which left manganese oxides and charred carbon biomass after heating, both of which have the ideal electrochemical properties needed for the electrodes of batteries and capacitors.</font></p><p class=”mol-para-with-font”><font style=”font-size:1.2em”>The researchers believe that using the fungi, they have discovered a more sustainable way of producing the electrodes. </font></p></div>
<!– ad: website –>

<b><u> <div id=”external-source-links” class=”item”</u></b>
data-track-module=”am-external-links^external-links”>
<span>Read more:</span>

• pubs.acs.org/doi…
• Scientists develop battery cells that use waste fruit to generate electricity | Daily Mail Online
• Mouldy bread could help to make better batteries | Daily Mail Online

</div>
<script type=”text/javascript”>
DM.later(‘bundle’, function()
<u> DM.has(‘external-source-links’, ‘externalLinkTracker’);</u>
);
</script>