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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.

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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.

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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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mol l -1 Li 2 SO 4 aqueous solution as electrolyte. Researchers from Fudan University in China and Technische Universität Chemnitz in Germany have developed an aqueous rechargeable lithium battery (ARLB) using coated Li metal as the anode. mol l -1 Li 2 SO 4 aqueous solution as electrolyte, an ARLB is built up. Wang et al.

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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. —Xu et al.

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Gel polymer electrolyte for stabilizing sulfur composite electrodes for long-life, high-energy Li-S batteries

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Researchers in Sweden and Italy have devised a simple strategy to address the issues currently hampering commercialization of high-energy density Li-sulfure batteries, including. Among the most promising chemistries is the one based on the electrochemical reaction of lithium and sulfur, the Li-sulfur battery. —Agostini et al.

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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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