LiNi1−xCoxO2
is being considered for use as a cathode material in commercial lithium‐ion batteries because of its higher capacity and lower material cost than its end member
LiCoO2
. On the other hand,
LiNi1−xCoxO2
has better thermal stability than its other end member
LiNiO2
. In this paper we examine the influence of particle size and particle morphology on the electrochemical behavior of
LiNi1−xCoxO2
and the dependence of the irreversible capacity on Co content, temperature, and particle size. Coin cell performance at room temperature and at 40°C indicates that
LiNi1−xCoxO2
with a large crystal particle size (P
c) has a low capacity fade rate. The irreversible capacity is reduced at high temperature. By optimizing particle size and cobalt content in
LiNi1−xCoxO2
it is possible to achieve cycle performance comparable with
LiCoO2
at room temperature and at 40°C, and have a reversible capacity (between 150 and 200 mAh/g ) substantially higher than
LiCoO2
(140 mAh/g).
LiNi1−xCoxO2
(0.1 < x < 0.3) tested at C/1 discharge and at 40°C also shows a low capacity fade rate comparable to that of
LiCoO2
material.
contribute to the risk of NSCL/P. For example, Song et al. (2013) identified 3 single-nucleotide polymorphisms (SNPs) (rs2073485, rs2235371, and rs2236909) in IRF6 showing interactions with rs2235373 in PAX9. Liu et al. (2017) reported 9 pairs of SNP-SNP interactions within the region of 16p13.3 potentially important to the susceptibility of NSCL/P. Evidence also supported gene-gene for TGFA-MTHFR and WNT5B-MAFB (Jugessur et al. 2003; Li et al. 2015). However, Beaty et al. (2013) failed to identify any interaction among 8q24, IRF6, ABCA4, MAFB, PAX7, THADA, COL8A1, and DCAF4L2. Although not all studies successfully identified gene-gene interactions among genes of interest, testing for gene-gene interactions was still a practical approach to explore the etiology of NSCL/P.
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