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SLAC, Stanford researchers revitalize batteries by bringing ‘dead’ lithium back to life

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Researchers at the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University may have found a way to revitalize rechargeable lithium batteries, potentially boosting the range of electric vehicles and battery life in next-gen electronic devices. Credit: Greg Stewart/SLAC National Accelerator Laboratory.

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Nano-vault architecture alleviates stress in Si-based anodes for Li-ion batteries

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New research conducted by the Okinawa Institute of Science and Technology Graduate University (OIST) has identified a specific building block that improves the anode in lithium-ion batteries. Traditionally, graphite is used for the anode of a lithium-ion battery, but this carbon material has major limitations.

Li-ion 243
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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.

MIT 170
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Researchers devise electrode architectures to prevent dendrite formation in solid-state batteries

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So far, the current densities that have been achieved in experimental solid-state batteries have been far short of what would be needed for a practical commercial rechargeable battery. The idea was inspired by experimental high-temperature batteries, in which one or both electrodes consist of molten metal.

Batteries 199
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Stanford team develops sodium-ion battery with performance equivalent to Li-ion, but at much lower cost

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Stanford researchers have developed a sodium-ion battery (SIB) that can store the same amount of energy as a state-of-the-art lithium ion, at substantially lower cost. Crucial to the idea of lowering the cost of battery materials, myo-inositol is an abundant organic compound familiar to industry.

Sodium 186
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Could Zinc Gel Chemistry Outperform Flow Batteries?

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In theory, they should be a good choice for applications, such as storing surplus energy from renewables. Another general disadvantage is that it is heavier and larger than lithium-ion batteries. On the other hand, lithium-ion is temperature sensitive and state-of-charge sensitive.

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Could Zinc Gel Chemistry Outperform Flow Batteries?

Cars That Think

In theory, they should be a good choice for applications, such as storing surplus energy from renewables. Another general disadvantage is that it is heavier and larger than lithium-ion batteries. On the other hand, lithium-ion is temperature sensitive and state-of-charge sensitive.