A General Strategy to Layered Transition-Metal Hydroxide Nanocones: Tuning the Composition for High Electrochemical Performance

A general and facile strategy for the synthesis of a large family of monometallic (Co, Ni) and bimetallic (Co‐Ni, Co‐Cu and Co‐Zn) hydroxide nanocones (NCs) intercalated with DS ions is demonstrated. The basal spacing of the NCs can be varied by adjusting the intercalated DS amount. Especially, elec...

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Veröffentlicht in:Advanced materials (Weinheim) 2012-04, Vol.24 (16), p.2148-2153
Hauptverfasser: Liu, Xiaohe, Ma, Renzhi, Bando, Yoshio, Sasaki, Takayoshi
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container_issue 16
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container_title Advanced materials (Weinheim)
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creator Liu, Xiaohe
Ma, Renzhi
Bando, Yoshio
Sasaki, Takayoshi
description A general and facile strategy for the synthesis of a large family of monometallic (Co, Ni) and bimetallic (Co‐Ni, Co‐Cu and Co‐Zn) hydroxide nanocones (NCs) intercalated with DS ions is demonstrated. The basal spacing of the NCs can be varied by adjusting the intercalated DS amount. Especially, electrochemical characterizations reveal that bimetallic Co‐Ni hydroxide NCs have a higher specific capacitance than their monometallic counterpart. These results suggest the importance of rational designing layered hydroxide NCs with tuned transition‐metal composition for high‐performance energy storage devices.
doi_str_mv 10.1002/adma.201104753
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source Wiley-Blackwell Journals; MEDLINE
subjects Bimetals
Electrochemical analysis
electrochemical performance
Electrochemistry
Energy storage
Hydroxides
Hydroxides - chemistry
layered nanomaterials
nanocones
nanosheets
Nanostructure
Nanostructures - chemistry
Nanotechnology - methods
Nickel
Strategy
Transition Elements - chemistry
transition-metal hydroxide
Tuning
Urea - chemistry
title A General Strategy to Layered Transition-Metal Hydroxide Nanocones: Tuning the Composition for High Electrochemical Performance
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