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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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New high-voltage electrolyte additive supports high energy density and stability in LMNC Li-ion battery; 2x energy density over LiCoO2

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Korea) has developed a novel high-voltage electrolyte additive, di-(2,2,2 trifluoroethyl)carbonate (DFDEC), for use with the promising lithium-rich layered composite oxide high-energy cathode material xLi 2 MnO 3 ·(1-x)LiMO 2 (M = Mn, Ni, Co). O 2 (Li 1.2 Mn 0.525 Ni 0.175 Co 0.1 O 2 (Li 1.2 136 Wh kg ?1

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Sulfur nanodots on nickel foam as high-performance Li-S cathode materials; carbon- and binder-free

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A team at Nankai University in China has devised high-performance Li-sulfur battery cathode materials consisting of sulfur nanodots (2 nm average) directly electrodeposited on flexible nickel foam; the cathode materials incorporate no carbon or binder. However, the electrochemical inertness of bulk sulfur in the cathode of Li?

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U Akron team develops Mn-based high performance anode for Li-ion batteries

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Researchers at the University of Akron have developed hierarchical porous Mn 3 O 4 /C nanospheres as anode materials for Li-ion batteries. mA/g), excellent ratability (425 mAh/g at 4 A/g), and extremely long cycle life (no significant capacity fading after 3000 cycles at 4A/g) as an anode in a Li-ion battery. Li/Li + ).

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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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6 DOE-funded applied battery research projects targeting Li-ion cells with >200 Wh/kg for PHEVs and EVs

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million project to combine TIAX’s proprietary CAM-7 cathode material ( earlier post ) with a blended Si/carbon anode to achieve >200 Wh/kg and >400 Wh/L energy and >800 W/kg and >1600 W/L 10s pulse power targets under USABC PHEV battery testing procedures. TIAX is the sole organization in a $2.2-million Ah and 247 Wh/kg.

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

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Rechargeable Na-ion batteries work on the same basic principle as Li-ion batteries—i.e., Motivated by the success in the development of Li-ion batteries, there is growing interest in Na-ion batteries for electrical vehicles and power backup applications. for the positive electrode. for the positive electrode. —Wang et al.

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