The reported novel gel polymer electrolyte can stabilize lithium deposition, thus enhancing the safety and rate capability by reducing the anion mobility in Li/LiNi0.5Mn1.5O4 cells.
Ionic liquids (ILs)
hold great promise in the fields of green chemistry,
environmental science, and sustainable technology due to their unique
properties, such as a tailorable structure, the various types available,
and their environmentally friendly features. On the basis of multiscale
simulations and experimental characterizations, two unique features
of ILs are as follows: (1) strong coupling interactions between the
electrostatic forces and hydrogen bonds, namely in the Z-bond, and
(2) the unique semiordered structure and properties of ultrathin films,
specifically regarding the quasi-liquid. In accordance with the aforementioned
theoretical findings, many cutting-edge applications have been proposed:
for example, CO
2
capture and conversion, biomass conversion
and utilization, and energy storage materials. Although substantial
progress has been made recently in the field of ILs, considerable
challenges remain in understanding the nature of and devising applications
for ILs, especially in terms of e.g.
in situ
/real-time
observation and highly precise multiscale simulations of the Z-bond
and quasi-liquid. In this Perspective, we review recent developments
and challenges for the IL research community and provide insights
into the nature and function of ILs, which will facilitate future
applications.
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