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      Home » Molten Industries is working to build EV battery from Methane

      Molten Industries is working to build EV battery from Methane

      Garima SharmaBy Garima SharmaJune 21, 2024 EV Battery 3 Mins Read
      Molten Industries is working to build EV battery from Methane
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      Oakland-based startup Molten Industries is working to build EV batteries by relying on something cheap and abundant in the US: natural gas and methane. The company has developed a specialized technique to break methane into graphite and hydrogen, the latter of which can be used as a source of clean energy.

      The effort is funded in part by a $25 million Series A financing round led by Bill Gates’s Breakthrough Energy Ventures (BEV). Register for the ET MSME Day 2024 here. Due to international supply chain issues, big automotive companies are hungry for low-cost, reliable domestic graphite.

      “This is at the intersection of two significant climate tech theme areas for us at Breakthrough: making batteries scaleable and more cost-effective to drive EV sales to grow, and on the other side, low-cost clean hydrogen,” said BEV Managing Director David Danielson.

      Big automotive companies are hungry for low-cost, reliable domestic graphite due to international supply chain issues, he added. Graphite is typically mined or made synthetically from fossil fuels, and China controls about three-quarters of the world’s graphite anode supply chain, according to data from mineral intelligence firm Benchmark.

      Higher freight costs like those experienced during the pandemic and China’s temporary export restrictions have raised concerns in the US and elsewhere about the risk of largely relying on one source of valuable material.

      Boosting domestic production is a key priority of the Biden administration, which in 2022 invoked the Defense Production Act to fund the industry. To create graphite, Molten relies on pyrolysis, a technique that involves heating methane until it breaks into its constituent components of carbon and hydrogen. If there’s no oxygen or water present during this process, the methane gets split without any resulting CO2 emissions.

      Other pyrolysis companies exist but most create products like soot or carbon black that can’t be used in battery production. Those companies also often rely on microwave or plasma-based heating, techniques that can be very energy-intensive. By contrast, Molten’s reactor is like a toaster: It uses resistive heating, which is more efficient, according to co-founder and Chief Executive Officer Kevin Bush. Molten says its graphite will be cost-competitive with other sources.

      It’s also banking on the fact that customers will want a lower-emissions synthetic graphite than the kind currently on the market, which is made by treating fossil fuel-based feedstocks using a process that emits methane and air pollutants. The only potential sources of emissions in Molten’s process are from producing the natural gas it uses as feedstock or the grid electricity powering the pyrolysis.

      Molten has built a pilot reactor in Oakland and is constructing a full commercial-scale unit the size of a shipping container that Bush said he expects to be operational next year. That unit will be able to produce 500 kilograms (1,100 pounds) of hydrogen and 1,500 kilograms of graphite daily, he said. Whether there will be demand for the latter in the coming decades remains to be seen, though.

      “Other materials like silicon, lithium and hard carbon may begin to compete with graphite as the default material in battery anodes, according to BloombergNEF. The shift could potentially halve demand by 2035. The hydrogen market may also be challenging because of high costs to produce and use it and policy uncertainty”, according to Payal Kaur, a BloombergNEF hydrogen analyst.

      electricity EV battery methane natural gas news
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