Organization of flakes into hollow, curved architectures (see figure) by means of an “aggregation-then-growth” process is described, providing in addition a fine example of a V3+ nanostructure. The new-phased VOOH hollow “dandelions” are shown to increase very effectively the capacity of lithium-ion intercalation/deintercalation in batteries, especially at low temperatures.
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Wu et al. (2006) studied this question.
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