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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 mol l -1 Li 2 SO 4 aqueous solution as electrolyte. mol l -1 Li 2 SO 4 aqueous solution as electrolyte, an ARLB is built up. Wang et al. Click to enlarge. —Wang et al.

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University of Sydney team advances rechargeable zinc-air batteries with bimetallic oxide–graphene hybrid electrocatalyst

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University of Sydney team advances rechargeable zinc-air batteries with bimetallic oxide–graphene hybrid electrocatalyst. Other two amorphous bimetallic, Ni 0.4 O x and Ni 0.33 Up until now, rechargeable zinc-air batteries have been made with expensive precious metal catalysts, such as platinum and iridium oxide.

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Hanyang/BMW team develops high-energy density Li-ion battery with carbon-nanotube-Si composite anode and NCM concentration gradient cathode

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Researchers from Hanyang University in Korea and the BMW Group have developed a new fully operational, practical Li-ion rechargeable battery combining high energy density with excellent cycle life. g cm -3 ; a two-sloped full concentration gradient (TSFCG) Li[Ni 0.85 O 2 , Li[Ni 0.85 O 2 (NCM) and Li[Ni 0.8

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RIKEN team develops high-performance lithium-iodine battery system with higher energy density than conventional Li-ion

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The working concept of I3 – /I – redox reaction in the aqueous Li-I 2 battery. A team from Japan’s RIKEN, led by Hye Ryung Byon, has developed a lithium-iodine (Li-I 2 ) battery system with a significantly higher energy density than conventional lithium-ion batteries. Schematic illustration of the aqueous Li-I 2 battery.

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Researchers find tin nanoparticles promising electrode material for sodium-ion batteries

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Tin (Sn) shows promise as a robust electrode material for rechargeable sodium-ion (Na-ion) batteries, according to a new study by a team from the University of Pittsburgh and Sandia National Laboratory. Rechargeable Na-ion batteries work on the same basic principle as Li-ion batteries—i.e., for the positive electrode.

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Argonne and Hanyang University Develop New High-Energy Cathode Material With Improved Thermal Stability; Good Fit for PHEV Applications

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SEM of Li[Ni 0.64 Mn 0.18 ]O 2 particle with concentration gradient of Ni, Co, and Mn contents. In this material (Li[Ni 0.64 Comparison of cycling performance of half cell based on bulk Li[Ni 0.64 and concentration-gradient material Li[Ni 0.64 From Sun et al. Click to enlarge.

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Faradion demonstrates proof-of-concept sodium-ion electric bike

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Although lithium-ion batteries are currently the predominant battery technology in electric and hybrid vehicles, as well as other energy storage applications, sodium-ion could offer significant cost, safety and sustainability benefits. Na 4 M 3 (PO 4 ) 2 P 2 O 7 , M = Fe, Co, Ni, Mn etc.; Sodium-ion intercalation batteries—i.e.,

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