preferable.[13] The Csurface of nanometer-sized rutile exhibits
no significant changes with varied rates, which may show its
potential in novel asymmetric hybrid energy storage cells
(which charge and discharge in a few minutes, like a
supercapacitor, but exhibits an order-of-magnitude higher
energy density than a supercapacitor). A successful example of
this is the nanometer-sized Li4Ti5O12 used as effective
electrodes in activated carbon/Li4Ti5O12 cells based on
nonaqueous electrolytes.[9]
Besides the lattices, surface and interface storage, Li can
also be stored in nanopores. Wang et al.[15] reported that
nanopores (ca. 0.4 nm) in monodisperse hard carbon spherules
can store a large quantity of Li. This discovery widens the
systems towards mass storage, which may also useful for
hydrogen storage.
Weshould also mention the development of novel Li storage
materials based on tin alloys, silicon, and inter-metallic
compounds based on an alloy mechanism toward Li storage.[10]
Work in the area of nanoparticles and nano-composites has
preferable.[13] The Csurface of nanometer-sized rutile exhibits
no significant changes with varied rates, which may show its
potential in novel asymmetric hybrid energy storage cells
(which charge and discharge in a few minutes, like a
supercapacitor, but exhibits an order-of-magnitude higher
energy density than a supercapacitor). A successful example of
this is the nanometer-sized Li4Ti5O12 used as effective
electrodes in activated carbon/Li4Ti5O12 cells based on
nonaqueous electrolytes.[9]
Besides the lattices, surface and interface storage, Li can
also be stored in nanopores. Wang et al.[15] reported that
nanopores (ca. 0.4 nm) in monodisperse hard carbon spherules
can store a large quantity of Li. This discovery widens the
systems towards mass storage, which may also useful for
hydrogen storage.
Weshould also mention the development of novel Li storage
materials based on tin alloys, silicon, and inter-metallic
compounds based on an alloy mechanism toward Li storage.[10]
Work in the area of nanoparticles and nano-composites has
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