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New electrode material for solid-state batteries improves performance

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A research team from Japan has recently developed a novel electrode material for all-solid-state batteries (ASSBs) by combining lithium sulfate and lithium ruthenate, which results in improved performance. However, they have never been applied to all-solid-state batteries. —Nagao et al.

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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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RPI researchers develop safe, long-cycling Li-metal rechargeable battery electrode; demonstrate Li-carbon battery

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Capacity and coulombic efficiency versus cycle index of Li-PGN cathodes at a rate of ~1C. O 2 and Li 3 V 1.98 Researchers at Rensselaer Polytechnic Institute have developed a safe, extended cycling lithium-metal electrode for rechargeable Li-ion batteries by entrapping lithium metal within a porous graphene network (Li-PGN).

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UT Austin team devises new strategy for safe, low-cost, all-solid-state rechargeable Na or Li batteries suited for EVs

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John Goodenough, known around the world for his pioneering work that led to the invention of the rechargeable lithium-ion battery, have devised a new strategy for a safe, low-cost, all-solid-state rechargeable sodium or lithium battery cell that has the required energy density and cycle life for a battery that powers an all-electric road vehicle.

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New Lithium rechargeable semi-solid flow cell offers energy densities an order of magnitude greater than previous flow batteries; possible applications in transportation and grid-scale storage

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Scheme of the semi-solid flow cell (SSFC) system using flowing lithium-ion cathode and anode suspensions. In contrast to previous flow batteries, the SSFC stores energy in suspensions of solid storage compounds to and from which charge transfer is accomplished via dilute yet percolating networks of nanoscale conductors. –2.9

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U. Alberta team developing new high power and energy lithium-carbon battery system using induced fluorination; dual storage mechanism

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Ragone plot, comparing Li-CNT-F batteries with other batteries in terms of weight of cathode materials. The highest energy density for Li-CNT-F batteries, 4,113 Wh kg carbon ?1 Reaching beyond the horizon of LIBs [lithium-ion batteries] requires the exploration of new electrochemistry and/or new materials. Click to enlarge.

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New cathode design and understanding of electrolyte delivers greater efficiency in magnesium-ion batteries

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Researchers have achieved a significant boost in the storage capacity of magnesium-ion batteries through a new design for the cathode and a new understanding of the electrolyte. Magnesium ion is known to be hard to insert into a host. First of all, it is very difficult to break magnesium-chloride bonds.

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