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Who Really Invented the Rechargeable Lithium-Ion Battery?

Cars That Think

Fifty years after the birth of the rechargeable lithium-ion battery, it’s easy to see its value. Did Exxon invent the rechargeable lithium battery? Company researchers were encouraged to look for oil substitutes, pursuing any manner of energy that didn’t involve petroleum.

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Kyoto team develops new cathode material for high-energy-density rechargeable magnesium batteries

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A team of researchers from Kyoto University has demonstrated ion-exchanged MgFeSiO 4 as a feasible cathode material for use in high-energy-density rechargeable magnesium batteries. The ion-exchanged MgFeSiO 4 cathode materials provide a capacity of more than 300 mAh·g ? Orikasa et al. Click to enlarge.

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ANL researchers report photo-excitation can speed up Li-ion charging by factor of two

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Researchers at the US Department of Energy’s (DOE) Argonne National Laboratory have reported that a new photo-excitation mechanism can speed up the charging of lithium-ion batteries by a factor of two or more. A serious limitation [of lithium-ion batteries], however, is the slow charging rate used to obtain the full capacity.

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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 If anode materials of lower redox potentials can be stable in aqueous electrolytes, high energy density systems will be feasible. Wang et al. Click to enlarge. —Wang et al.

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Tech: How do Hybrid & Plug-in Hybrid Batteries Recharge? Do I Need to Plug a Hybrid In?

Clean Fleet Report

A Primer on Hybrid Battery Care This article may contain affiliate links. Regular Hybrids Regular hybrids recharge their onboard nickel-metal hydride or lithium-ion battery packs by reclaiming energy through a process called regenerative braking. Do I Need to Plug a Hybrid In?

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2023’s Top Stories About Energy

Cars That Think

Energy storage and nuclear fusion—two reliable crowd pleasers when the crowd you’re talking about is readers of IEEE Spectrum —are well represented among our most widely read energy stories of 2023. Here are the 10 most popular AI articles that Spectrum published in 2023, ranked by the amount of time people spent reading them.

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MIT-led team devises new approach to designing solid ion conductors; implications for high-energy solid-state batteries

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Researchers led by a team from MIT, with colleagues from Oak Ridge National Laboratory (ORNL), BMW Group, and Tokyo Institute of Technology have developed a fundamentally new approach to alter ion mobility and stability against oxidation of lithium ion conductors—a key component of rechargeable batteries—using lattice dynamics.

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