Biocompatible ionic liquid-biopolymer electrolyte-enabled thin and compact magnesium-air batteries.

Jia,X, Yang,Y, Wang,C, Zhao,C, Vijayaraghavan,R, MacFarlane,DR, Forsyth,M and Wallace,GG 2014, Biocompatible ionic liquid-biopolymer electrolyte-enabled thin and compact magnesium-air batteries., ACS Appl Mater Interfaces, vol. 6, no. 23, pp. 21110-21117, doi: 10.1021/am505985z.

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Title Biocompatible ionic liquid-biopolymer electrolyte-enabled thin and compact magnesium-air batteries.
Author(s) Jia,X
Yang,Y
Wang,C
Zhao,C
Vijayaraghavan,R
MacFarlane,DR
Forsyth,MORCID iD for Forsyth,M orcid.org/0000-0002-4273-8105
Wallace,GG
Journal name ACS Appl Mater Interfaces
Volume number 6
Issue number 23
Start page 21110
End page 21117
Total pages 8
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2014-12-10
ISSN 1944-8252
Keyword(s) Mg−air batteries
biocompatible ionic liquid
chitosan
integrated solid-state batteries
polypyrrole
Mg-Air batteries
Science & Technology
Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Science & Technology - Other Topics
Materials Science
POLYPYRROLE ELECTRODES
OXYGEN REDUCTION
DRUG-DELIVERY
BIOMATERIALS
TEMPERATURE
POLYMERS
DEVICES
CATHODE
SYSTEM
Summary With the surge of interest in miniaturized implanted medical devices (IMDs), implantable power sources with small dimensions and biocompatibility are in high demand. Implanted battery/supercapacitor devices are commonly packaged within a case that occupies a large volume, making miniaturization difficult. In this study, we demonstrate a polymer electrolyte-enabled biocompatible magnesium-air battery device with a total thickness of approximately 300 μm. It consists of a biocompatible polypyrrole-para(toluene sulfonic acid) cathode and a bioresorbable magnesium alloy anode. The biocompatible electrolyte used is made of choline nitrate (ionic liquid) embedded in a biopolymer, chitosan. This polymer electrolyte is mechanically robust and offers a high ionic conductivity of 8.9 × 10(-3) S cm(-1). The assembled battery delivers a maximum volumetric power density of 3.9 W L(-1), which is sufficient to drive some types of IMDs, such as cardiac pacemakers or biomonitoring systems. This miniaturized, biocompatible magnesium-air battery may pave the way to a future generation of implantable power sources.
Language eng
DOI 10.1021/am505985z
Field of Research 091205 Functional Materials
Socio Economic Objective 850699 Energy Storage, Distribution and Supply not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070471

Document type: Journal Article
Collection: Institute for Frontier Materials
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