{"id":877,"date":"2023-08-21T06:10:26","date_gmt":"2023-08-21T06:10:26","guid":{"rendered":"https:\/\/apers.ro\/?p=877"},"modified":"2023-08-21T06:10:26","modified_gmt":"2023-08-21T06:10:26","slug":"developer-of-aluminum-ion-battery-claims-it-charges-60-times-faster-than-lithium-ion-offering-ev-range-breakthrough","status":"publish","type":"post","link":"https:\/\/apers.ro\/en\/2023\/08\/21\/developer-of-aluminum-ion-battery-claims-it-charges-60-times-faster-than-lithium-ion-offering-ev-range-breakthrough\/","title":{"rendered":"Developer Of Aluminum-Ion Battery Claims It Charges 60 Times Faster Than Lithium-Ion, Offering EV Range Breakthrough"},"content":{"rendered":"

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Range anxiety, recycling and fast-charging fears could all be consigned to electric-vehicle history with a nano-tech-driven Australian battery invention.<\/p>\n

The graphene aluminum-ion battery cells from the Brisbane-based Graphene Manufacturing Group (GMG) are claimed to charge up to 60 times faster than the best lithium-ion cells and hold three time the energy of the best aluminum-based cells.<\/p>\n

They are also safer, with no upper Ampere limit to cause spontaneous overheating, more sustainable and easier to recycle, thanks to their stable base materials. Testing also shows the coin-cell validation batteries also last three times longer than lithium-ion versions.<\/p>\n

GMG plans to bring graphene aluminum-ion coin cells to market late this year or early next year, with automotive pouch cells planned to roll out in early 2024.<\/p>\n

Based on breakthrough technology from the University of Queensland\u2019s (UQ) Australian Institute for Bio-engineering and Nanotechnology, the battery cells use nanotechnology to insert aluminum atoms inside tiny perforations in graphene planes.<\/p>\n\t\t<\/div>\n\t\t\t\t

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Testing by peer-reviewed specialist publication Advanced Functional Materials publication concluded the cells had \u201coutstanding high-rate performance (149 mAh g\u22121 at 5 A g\u22121), surpassing all previously reported AIB cathode materials\u201d.<\/p>\n

GMG Managing Director Craig Nicol insisted that while his company\u2019s cells were not the only graphene aluminum-ion cells under development, they were easily the strongest, most reliable and fastest charging.<\/p>\n

\u201cIt charges so fast it\u2019s basically a super capacitor,\u201d Nicol claimed. \u201cIt charges a coin cell in less than 10 seconds.\u201d<\/p>\n

The new battery cells are claimed to deliver far more power density than current lithium-ion batteries, without the cooling, heating or rare-earth problems they face.<\/p>\n

\u201cSo far there are no temperature problems. Twenty percent of a lithium-ion battery pack (in a vehicle) is to do with cooling them. There is a very high chance that we won\u2019t need that cooling or heating at all,\u201d Nicol claimed.<\/p>\n

\u201cIt does not overheat and it nicely operates below zero so far in testing.<\/p>\n

\u201cThey don\u2019t need circuits for cooling or heating, which currently accounts for about 80kg in a 100kWh pack.\u201d<\/p>\n\t\t<\/div>\n\t\t\t\t

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The new cell technology, Nicol insisted, could also be industrialized to fit inside current lithium-ion housings, like the Volkswagen Group\u2019s MEB architecture, heading off problems with car-industry architectures that tend to be used for up to 20 years.<\/p>\n

\u201cOurs will be the same shape and voltage as the current lithium-ion cells, or we can move to whatever shape is necessary,\u201d Nicol confirmed.<\/p>\n

\u201cIt\u2019s a direct replacement that charges so fast it\u2019s basically a super capacitor.<\/p>\n

\u201cSome lithium-ion cells can\u2019t do more than 1.5-2 amps or you can blow up the battery, but our technology has no theoretical limit.\u201d<\/p>\n

Aluminum-ion battery cells are a hot bed of development, particularly for automotive use.<\/p>\n

Recent projects alone have included a collaboration between China\u2019s Dalian University of Technology and the University of Nebraska, plus others from Cornell University, Clemson University, the University of Maryland, Stanford University, the Zhejiang University\u2019s Department of Polymer Science and the European Alion industrial consortium.<\/p>\n

The differences are highly technical, but the GMG cells use graphene from made from its proprietary plasma process, rather than traditional graphite sourcing, and the result is three times the energy density of the next-best cell, from Stanford University.<\/p>\n\t\t<\/div>\n\t\t\t\t

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Stanford\u2019s natural graphite aluminum-ion technology delivers 68.7 Watt-hours per kilogram and 41.2 Watts per kilogram, while its graphite-foam bumps up to 3000W\/kg.<\/p>\n

The GMG-UQ battery heaves that forward to between 150 and 160Wh\/kg and 7000W\/kg.<\/p>\n

\u201cThey (UQ) found a way to make holes in graphene and a way to store aluminum atoms closer together in the holes.<\/p>\n

\u201cIf we drill holes the atoms stick inside the graphene and it becomes a whole lot more dense, like a bowling ball on a mattress.\u201d<\/p>\n

The peer-reviewed publication Advanced Functional Materials found surface-perforated, three-layer graphene (SPG3-400) had \u201ca significant amount of in-plane mesopores (\u22482.3 nm), and an extremely low O\/C ratio of 2.54%, has demonstrated excellent electrochemical performance.<\/p>\n

\u201cThis SPG3-400 material exhibits an extraordinary reversible capacity (197 mAh g\u22121 at 2 A g\u22121) and outstanding high-rate performance,\u201d it concluded.<\/p>\n

Aluminum-ion technology has intrinsic advantages and disadvantages over the preeminent lithium-ion battery technology being used in almost every EV today.<\/p>\n

When a cell recharges, aluminum ions return to the negative electrode and can exchange three electrons per ion instead of lithium\u2019s speed limit of just one.<\/p>\n

There is also a massive geopolitical, cost, environmental and recycling advantage from using aluminum-ion cells, because they use hardly any exotic materials.<\/p>\n

\u201cIt\u2019s basically aluminum foil, aluminum chloride (the precursor to aluminum and it can be recycled), ionic liquid and urea,\u201d Nicol said.<\/p>\n

\u201cNinety percent of world lithium production and purchasing is still through China and 10 percent is through Chile.<\/p>\n

\u201cWe have all the aluminum we need right here in Australia, and they can be safely made in the first world.\u201d<\/p>\n\t\t<\/div>\n\t\t\t\t

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Listed on the TSX Venture exchange in Canada, GMG hooked itself in to UQ\u2019s graphene aluminum-ion battery technology by supplying the university with graphene.<\/p>\n

\u201cOur lead product scientist Dr Ashok Nanjundan was involved in the University of Queensland project in its nanotechnology research center in its early days,\u201d Nicol said, admitting GMG almost \u201clucked into\u201d the technology by supplying research projects with its graphene at no cost.<\/p>\n

GMG has not locked down a supply deal with a major manufacturer or manufacturing facility.<\/p>\n

\u201cWe are not tied in to big brands yet, but this could go into an Apple iPhone and charge it in seconds,\u201d Nicol confirmed.<\/p>\n

\u201cWe will bring the coin cell to market first. It recharges in less than a minute, and it has three times the energy than with lithium,\u201d the Barcaldine product said.<\/p>\n

\u201cIt\u2019s a lot less adverse effect on health, too. A kid can be killed by lithium if it\u2019s ingested, but not with aluminum.\u201d<\/p>\n\t\t<\/div>\n\t\t\t\t

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Another benefit would be cost. Lithium has risen from US$1460 a metric tonne in 2005 to US$13,000 a tonne this week, while aluminum\u2019s price has edged up from US$1730 to US$2078 over the same period.<\/p>\n

Another advantage is that the GMG graphene aluminum-ion cells do not use copper, which costs around US$8470 a tonne.<\/p>\n

While it is open to manufacturing agreements, GMG\u2019s preferred plan is to \u201crun\u201d with the technology as far as it can, with 10 gigaWatt to 50gW plants, first, even if Australia may not be the logical first choice for the manufacturing facility.<\/p>\n

It\u2019s not the only Brisbane-based company pushing battery solutions onto the world, either.<\/p>\n

PPK Group has a joint venture with Deakin University to develop lithium-sulfur batteries and the Vecco Group has confirmed a deal with Shanghai Electric for a Brisbane manufacturing plant for vanadium batteries for commercial energy storage.<\/p>\n\t\t<\/div>\n\t\t[\/vc_column][\/vc_row][vc_row][vc_column][vc_zigzag]\t\t

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Source<\/a>.<\/p>\n\t\t<\/div>\n\t\t[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

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