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New multifunctional polymer binder achieves theoretical capacity of LiFePO4 Li-ion batteries without additives

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Researchers led by a team from Griffith University in Australia have developed a multifunctional polymer binder that not only maintains the outstanding binding capabilities of sodium alginate but also enhances the mechanical integrity and lithium-ion diffusion coefficient in a LiFePO 4 (LFP) electrode during the operation of the batteries.

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Li-ion sulfur polymer battery shows high energy density as well as safety

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A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. Moreover, the addition of a dissolved polysulfide (i.e.

Li-ion 150
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Solvay invests in Li-metal battery company Sepion

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Solvay Ventures, the venture capital fund of Solvay, invested in Sepion, a California-based start-up that specializes in advanced membranes for batteries with Li-metal anodes and liquid electrolytes. Sepion raised funds to accelerate commercialization of lithium metal batteries for long-range and low-cost electric vehicles.

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New aqueous rechargeable lithium battery shows good safety, high reliability, high energy density and low cost; another post Li-ion alternative

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Schematic illustration of the aqueous rechargeable lithium battery (ARLB) using the coated lithium metal as anode, LiMn 2 O 4 as cathode and 0.5 mol l -1 Li 2 SO 4 aqueous solution as electrolyte. mol l -1 Li 2 SO 4 aqueous solution as electrolyte, an ARLB is built up. Wang et al. Click to enlarge. —Wang et al.

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DOE awarding $1.6B to 11 battery materials separation and processing projects as part of $2.8B funding

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billion to 21 projects to expand domestic manufacturing of batteries for electric vehicles (EVs) and the electrical grid and for materials and components currently imported from other countries. Li 2 O spodumene concentrate. The US Department of Energy (DOE) is awarding a combined $2.8 Earlier post.) Of that, $1.6

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Novel hybrid electrolytes to enable high-safety high-voltage Li-ion batteries

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Researchers at the Ningbo Institute of Materials Technology & Engineering in China have developed new hybrid electrolytes to support high-voltage Li-ion batteries (e.g., ~5 O 4 /Li batteries are improved by using the hybrid electrolytes. The result combines the merits of both solid and liquid electrolytes.

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Penn State team uses 3D cross-linked polymer sponge to stabilize Li-metal anodes

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A team at Penn State has developed a three-dimensional, cross-linked polyethylenimine lithium-ion-affinity sponge as the lithium metal anode host to mitigate the problem of dendritic growth of the metal anode. —Li et al. A paper on their work is published in Nature Energy. at a commercial-level areal capacity.

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