journal article·2017-04-14Open access

A Biodegradable Thin-Film Magnesium Primary Battery Using Silk Fibroin–Ionic Liquid Polymer Electrolyte

Xiaoteng Jia, Caiyun Wang, Vijayaraghavan Ranganathan, Bradley Napier, Changchun Yu, Yunfeng Chao, Maria Forsyth, Fiorenzo G. Omenetto, Douglas R. MacFarlane, Gordon G. Wallace

ACS Energy Letters· Volume 2· Issue 4

Abstract

Transient implantable medical bionics offer great promise in the field of smart controlled release and tissue regeneration. On-board energy storage is the ideal power system to drive them. In this work, a critical component of such a device, a biodegradable polymer electrolyte (silk fibroin–choline nitrate) has been developed. The efficiency of this electrolyte is demonstrated when deployed in a biodegradable thin-film magnesium battery. The battery, encapsulated in silk, offers a specific capacity of 0.06 mAh cm –2 . The enzymatic degradation of the whole device occurs over 45 days in the buffered protease XIV solution. A programmed battery lifetime can be achieved using silk protection layers. This battery system provides a new avenue for an on-board biodegradable power source for next-generation transient medical bionics.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Silk-based biomaterials and applications · Electrospun Nanofibers in Biomedical Applications · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, AIIM Facility, University of Wollongong, Wollongong, NSW 2522, Australia

ARC Centre of Excellence for Electromaterials Science, School of Chemistry, Monash University, Clayton, Victoria 3800, Australia

Silklab, Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States

ARC Centre of Excellence for Electromaterials Science, Institute for Frontier Materials, Deakin University, Burwood, Victoria 3125, Australia

Funding

Australian Research Council · Office of Naval Research

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