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Circa Group providing bio-based solvent Cyrene to UK EV battery recycling project

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Circa’s solvent Cyrene—dihydrolevoglucosenone—is specifically being used to recover polyvinylidene fluoride (PVDF)—a high performance polymer widely used as a binder in Li-ion battery cathodes. By using Cyrene, R2LIB is helping recover a valuable polymer in a sustainable way.

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Report: LG Chem obtains patent for Li-ion battery separator in Europe, Japan

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said that it has obtained a patent for its safety-reinforced separator (SRS), a key component of lithium-ion polymer batteries, in Europe and Japan. LG Chem introduced its SRS in 2006, and emphasized its high thermal stability and excellent hardness compared to conventional polyolefin separators. Earlier post.).

Li-ion 225
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Caltech, JPL designed megasupramolecule fuel additive reduces intensity of post-impact fuel explosions

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In the wake of the 1977 Tenerife airport disaster (583 killed in a post-crash fireball), researchers looked into the possibility of using ultralong, associative polymers as a fuel additive to increase the drop diameter in the post-impact mist, thereby limiting the event to a relatively cool, short-lived fire.

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Team in Japan develops durable, high-temperature PEM fuel cell

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Researchers in Japan have developed a novel polymer electrolyte membrane fuel cell (PEFC) that shows high durability (>400,000 cycles) together with high power density (252 mW/cm 2 ) at high temperatures of 120°C under a non-humidified condition. Berber et al. Click to enlarge. Earlier post.). doi: 10.1038/srep01764. Fuel Cells'

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Novozymes develops fungus to produce biochemicals

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Malic acid is used as a flavor enhancer in the food industry and can be converted into other chemical derivatives used for a variety of plastic, polymer and resin products. Novozymes has developed a fungus that enables production of malic acid from renewable raw materials instead of oil. C 4 acids can be converted into 1.4-butanediol

Polymer 225
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Graphene-based supercapacitor offers energy density comparable to NiMH battery, but with rapid charge and discharge

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These are the highest energy density values ever reported with carbon electrodes without the pseudocapacitance contributions from a conducting polymer or metal oxide, the authors said, further stating that “ We believe that this is truly a breakthrough in energy technology.”

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BASF and Sion Power to Collaborate on Lithium Sulfur Battery Technology; Targeting EV Market

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Ragone plots for different rechargeable systems from a 2006 Sion paper. The sulfur chemistry is more complex in that a series of sulfur polymers are formed. Higher polymer states exemplified by Li 2 S 8 are present at high states of charge, the charged form of the battery. IBA-HBC 2006. Click to enlarge.