28 Sep '12, 6pm

Researchers discover how nickel may inhibit charge/discharge rate in Li-ion batteries

Researchers discover how nickel may inhibit charge/discharge rate in Li-ion batteries 28 September 2012 Left. Image of LMNO surface layer. Upper right. Simulated zone projection image based on LMNO crystal model with 20% Ni/Li disorder corresponding to blue rectangle. Lower right . Simulated zone projection image based on LMNO crystal model with 10% Ni/Li disorder corresponding to white rectangle. TM = transition metal. Credit: ACS, Gu et al. Click to enlarge. A research team from the US Department of Energy’s (DOE) Pacific Northwest National Laboratory (PNNL) and Argonne National Laboratory (ANL), with colleagues from FEI, Inc. and Binghamton University, has discovered a thermodynamically driven, yet kinetically controlled, surface modification in lithium-nickel-manganese-oxide (LMNO) cathode material which may inhibit the battery charge/discharge rate. Examining battery ...

Full article: http://www.greencarcongress.com/2012/09/gu-20120928.html

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