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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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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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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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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. Zhao et al. Click to enlarge.

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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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The US Department of Energy (DOE) has six recently launched applied battery research (ABR) projects as part of its Vehicle Technologies portfolio. TIAX proposes that using a blended Si/hard carbon anode will allow the design of cells capable of delivering high energy during EV operation and high power during HEV mode of the battery.

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Update on Select Argonne Lab Activity with HEV and PHEV Li-ion Batteries

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Khalil Amine, Senior Scientist and Manager of Argonne National Laboratory’s advanced Lithium Battery Program, provided an update on some of the activities at Argonne on advanced high-power systems for hybrid-electric (HEV) and high-energy systems for plug-in hybrid electric vehicles (PHEV). XRD of new Argonne nano-Li 4 Ti 5 O 12 spinel.

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Envia Systems announcement may herald the first wave of DOE-supported commercial high energy density Li-ion cells with Si-C anodes

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As cycle life still needs to be improved for automotive applications (USABC long-term goals for EV batteries call for 1,000 cycles at 80% DOD and 10 years, earlier post ), the advanced batteries with their attractive energy densities may emerge earlier in critical portable power applications. Click to enlarge. Earlier post.)

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