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912573

Sigma-Aldrich

High surface area conducting polypyrrole

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Synonym(s):

3D cross-linked polypyrrole, doped by phytic acid, Doped polypyrrole hydrogels, PPy

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About This Item

UNSPSC Code:
12352103
NACRES:
NA.23

description

Electrochemical activity: see attached CV result

Quality Level

100

form

solid

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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color

black

solubility

soluble (swell into hydrogel but does not dissolve in water)

greener alternative category

Enabling,

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of the 12 Principles of Green Chemistry. This product is used in energy conversion and storage, thus has been enhanced for energy efficiency. Click here for more information.

Application

Three-dimensionally cross-linked polypyrrole (3D cross-linked polypyrrole) is a conductive powder made by crosslinking polypyrrole with a dopant molecule - phytic acid. It can form intrinsically conductive hydrogels with a hierarchically porous microstructure. Its porosity promotes transport of electrons and facilitates the diffusion of ions and other small molecules. Its flexibility can also help accommodate the strain caused by volume change during electrochemical cycling. Together with the advantage of high surface area, and biocompatibility, this material provides the feasibility for fabricating flexible, lightweight, energy and bioelectronic devices. Three-dimensionally cross-linked polypyrrole can also been derived into porous carbon nanomaterials via post thermal treatment and activation. The resulted carbon matrix has maintained the hierarchical nanostructure of 3D cross-linked polypyrrole and has been demonstrated as an effective additive to improve energy storage and conversion performance of other electrochemically active materials.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

912573-VAR:
912573-2G:
912573-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCM2308

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Graeme S A, et al.
Journal of Power Sources, 196, 1-12 (2011)
Nanostructured conductive polypyrrole hydrogels as high-performance, flexible supercapacitor electrodes.
Shi Y,et al.
Journal of Material Chemistry A, 2, 6086?6091-6086?6091 (2014)
Designing Hierarchically Nanostructured Conductive Polymer Gels for Electrochemical Energy Storage and Conversion.
Shi Y,et al.
Chemistry of Materials, 28(8), 2466-2477 (2016)
Borui Liu et al.
Nano letters, 13(7), 3414-3419 (2013-06-22)
Silicon is considered one of the most promising anode materials for high-performance Li-ion batteries due to its 4200 mAh/g theoretical specific capacity, relative abundance, low cost, and environmental benignity. However, silicon experiences a dramatic volume change (∼300%) during full charge/discharge

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