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					</table><p><a href="https://www.solidpowerbattery.com/" target="_blank" rel="noopener">Solid Power</a>, which develops all-solid-state battery technology for electric vehicles (EV), said its net loss widened to $19.2 million in the first quarter (Q1) of 2023 compared to the loss of $10.3 million year-over-year (YoY), primarily due to higher research and development expenses.</p>
<p>“Operating expenses were higher in the first quarter of 2023 compared with the first quarter of 2022 due to planned investments in product development as well as increased general and administrative expenses to support operations,” the company said.</p>
<p>Solid Power’s total operating expenses for the January-March quarter rose 57% YoY to $25.1 million.</p>
<p>Solid Power’s revenue grew by 81% YoY to $3.8 million for the quarter, mainly on execution under the company’s joint development agreements.</p>
<p>The company’s Interim CEO, President, and Chairman, Dave Jansen, said, “Over the last couple of quarters working with our partners, we have significantly improved the manufacturability and yields on our 20 Ah cells, positioning us to scale up our electric vehicle (EV) production and development.”</p>
<p>Solid Power is focused on improving key cell performance metrics, including energy density, pressure, cycle life, low-temperature operations, and safety, on helping the company deliver EV cells to its joint development partners and officially enter the automotive qualification process.</p>
<p>Solid Power commissioned its SP2 electrolyte production facility during the quarter, with powder production commencing in April.</p>
<p>The company is now planning to initiate and scale production from its electrolyte production facility to deliver electrolytes to potential customers for sampling and feedback, the company said.</p>
<p>Solid Power <a href="https://www.mercomindia.com/solid-power-records-higher-operational-expenses" target="_blank" rel="noopener">posted</a> a net loss of $9.5 million for the financial year 2022 against a profit of $18 million recorded in the previous year. The battery technology developer said that the increased expenses on planned investments and scaling of operations led to the loss.</p>
<p>The company’s net loss <a href="https://cms.mercomindia.com/solid-power-reports-358-yoy-increase-revenue-q1-2022/" target="_blank" rel="noopener">increased</a> to $10.3 million in Q1 2022, up 43% YoY from $7.2 million during the same period last year. Solid Power said that the increase in operating expenses driven by planned investments in product development resulted in a net loss for the period.</p>


Solid Power’s Q1 Net Loss Widens to $19 Million on Higher R&D Expenses


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					</table><p>Researchers have engineered a new composite solid-electrolyte by introducing a new material that they claim provides thermal stability to solid-state lithium-ion batteries while achieving higher energy density.</p>
<p>Vilas Pol, a <a href="https://www.purdue.edu/" target="_blank" rel="noopener">Purdue University</a> professor leading a team of engineers, studied the two categories of solid electrolytes—ceramic electrolytes composed of sulfide and oxide and polymer electrolytes.</p>
<p>Polymer electrolytes have attracted the attention of many material experts, given attributes like flexibility and ease of processing. Unlike liquid electrolytes used in commercial batteries, solid electrolytes are less prone to overheating, fire, and loss of charge.</p>
<p>In the study, the experts discovered that the newly developed solid-state electrolyte has thermal stability up to 330 degrees Celsius. It gives them higher thermal stability than the conventionally used liquid-state electrolyte or solid-polymer electrolytes (SPE), which could lead to fire in lithium-ion batteries.</p>
<p>&#8220;SPE have poor thermal stability, which can cause battery thermal runaway and lead to catastrophic firing. Their ionic conductivity is limited to low temperatures, which can reduce energy efficiency and lifetime. And low-energy-density batteries can cause quick energy depletion and short operating times of devices, considering the limited space for a battery in electronics or electric vehicles,&#8221; explained Pol.</p>
<p><strong>Role of the polymer matrix in solid-polymer electrolytes</strong></p>
<p>Polymer matrix materials are made of long chains of organic molecules, generally classified as thermoset or thermoplastic. It is a composite material made of diverse continuous fibers bound together by a matrix of organic polymers.</p>
<p>In the two-part study published in the <a href="https://www.sciencedirect.com/journal/chemical-engineering-journal" target="_blank" rel="noopener">Chemical Engineering Journal</a>, the team of engineers studied the polymer matrix polyethylene oxide (PEO) because it is highly compatible with diverse lithium salts.</p>
<p>However, the team observed that PEO comes with poor mechanical properties and low room-temperature ionic conductivity, which hinders the use of this polymer matrix in solid-state batteries.</p>
<p>After studying various matrices, the researchers found polyvinylidene fluoride (PDVF) to be a suitable polymer matrix with high ionic conductivity at room temperature.</p>
<p><strong>Combining two solid-state electrolytes</strong></p>
<p>Pol and his team went on to improve polyethylene oxide&#8217;s mechanical property and thermal stability in the PDVF-based solid electrolyte by introducing ceramic filler.</p>
<p>The filler is a garnet-type solid-state electrolyte named LIZTO (Li6.4La3Zr1.4Ta0.6O12) which was combined with the PDVF polymer electrolyte.</p>
<p>They found that LIZTO and lithium bis trifluoromethanesulfonylmide (LiTFSI) salt interacted with the PDVF matrix, facilitating lithium salt&#8217;s dissociation. The compound interaction led to the formation of a rapid Li+ conductive path at the ceramic-polymer interface, which enhanced the ionic conductivity.</p>
<p>The interaction between stiff ceramic (LIZTO) and PVDF host led to higher crystallinity of the PVDF electrolyte, which improved the mechanical properties and thermal stability of the obtained composite solid-polymer electrolyte (CPSE).</p>
<p>The CPSE developed by the team has a wide voltage window of around 4.8 volts, with an optimized ionic conductivity of around 2.4*10^4 microsiemens.</p>
<p>The team claimed that their solid polymer electrolyte showed enhanced resistance to cell damage, which can help produce safer solid-state lithium-ion batteries.</p>
<p>Professor Pol added, &#8220;We have further developed advanced electrolytes with fire-retardant molecules as a quasi-solid-state battery, enhancing the lithium-ion battery safety.&#8221;</p>
<p>In another experiment, researchers<a href="https://mercomindia.com/disordered-multi-metals-boost-battery-performance/" target="_blank" rel="noopener"> claimed</a> that solid-state batteries with a disordered arrangement of metals in electrolytes enhance the battery&#8217;s performance by increasing the flow of ions.</p>
<p>In January this year, researchers at the ARC Training Centre for Future Energy Storage Technologies <a href="https://mercomindia.com/researchers-compression-raise-lithium-cell-cycle-life/" target="_blank" rel="noopener">claimed</a> that the suppression of the lithium metal creep under controlled conditions can extend the cell cycle life by 40%, resulting in reduced deformation levels of lithium.</p>


Researchers Say Solid Electrolytes Lend Thermal Stability to Li-Ion Batteries


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					</table><p>Solid-state batteries with a disordered arrangement of metals in electrolytes enhance the performance of the battery by increasing the flow of ions which create an electrical charge, a research study has found.</p>
<p>Material experts recently discovered that solid-state batteries use solid electrolytes cutting the dependence on a multi-metal arrangement like in lithium-ion batteries.</p>
<p>Experts at the U.S. Lawrence Berkeley National Laboratory (<a href="https://www.lbl.gov/" target="_blank" rel="noopener">LBL</a>) said they have discovered such solid electrolytes in a collaborative experiment with scientists at <a href="https://www.fsu.edu/" target="_blank" rel="noopener">Florida State University</a> and the <a href="https://www.berkeley.edu/" target="_blank" rel="noopener">University of California, Berkeley</a>.</p>
<p>Solid-state batteries possess high energy density and enhanced safety which according to the researchers makes them a potential fit for electric vehicles.</p>
<p>Unlike the largely developed liquid electrolytes for commercial batteries, batteries with solid electrolytes are less prone to overheating, fire, and loss of charge.</p>
<p>The study titled ‘High-entropy mechanism to boost ionic conductivity’ is published in <a href="https://www.science.org/journal/science" target="_blank" rel="noopener">Science</a> journal.</p>
<p>The study points out that specific metals currently required in making these batteries are not available in large quantities, ultimately making solid-state batteries costly.</p>
<p><strong>Electrolyte with multiple metals</strong></p>
<p>In their study, the scientists arranged the metals like titanium, zirconium, and tin in the top row of the solid electrolyte while the lower row consisted of hafnium, phosphorous, and oxygen.</p>
<p>They synthesized and tested several lithium-ion and sodium-ion materials and noted the behavior of multiple mixed metals that can be easily sourced.</p>
<p>The teams further used a method called density-functional theory on a supercomputer and found that the movement of ions increased to create an electric charge in the solid-state battery.</p>
<p>They claimed that the ionic conductivity of their solid-state battery with diverse metals performed several orders of magnitude faster than those with single-metal.</p>
<p>“With our new approach to solid-state batteries, you don’t have to give up affordability for performance. Our work is the first to solve this problem by designing a solid electrolyte with not just one metal but with a team of affordable metals,” said co-first author Yan Zeng, a staff scientist in Berkeley Lab’s Materials Sciences Division.</p>
<p>In another study conducted recently, experts at the Illinois Institute of Technology and the U.S. Department of Energy’s Argonne National Laboratory said they have <a href="https://mercomindia.com/new-lithium-air-four-times-than-lithium-ion/" target="_blank" rel="noopener">developed</a> a lithium-air battery design that can power domestic airplanes and long-haul trucks. The main new component in this lithium-air battery is a solid electrolyte instead of the usual liquid variety.</p>
<p>In January 2023, researchers at the ARC Training Centre for Future Energy Storage Technologies claimed to have <a href="https://mercomindia.com/researchers-compression-raise-lithium-cell-cycle-life/" target="_blank" rel="noopener">found</a> that the suppression of the lithium metal creep (Li-creep) under controlled conditions can extend the cell cycle life by 40%, resulting in reduced deformation levels of lithium.</p>


Disordered Multi-Metals in Electrolyte Can Boost Battery Performance

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