journal article·2021-10-08Open access

Redox-Active Polymers Designed for the Circular Economy of Energy Storage Devices

Siew Ting Melissa Tan, Tyler J. Quill, Maximilian Moser, Garrett LeCroy, Xingxing Chen, Yilei Wu, Christopher J. Takacs, Alberto Salleo, Alexander Giovannitti

ACS Energy Letters· Volume 6· Issue 10

Abstract

Electrochemical energy storage is a keystone to support the rapid transition to a low-carbon-emission future for grid storage and transportation. While research on electrochemical energy storage devices has mostly dealt with performance improvements (energy density and power density), little attention has been paid to designing devices that can be recycled with low cost and low environmental impact. Thus, next-generation energy storage devices should also address the integration of recyclability into the device design. Here, we demonstrate recyclable energy storage devices based on solution-processable redox-active conjugated polymers. The high electronic and ionic charge transport in these polymers enables the operation of single-phase electrodes in aqueous electrolytes with C-rates >100 with good electrochemical stability when the cell is charged to 1.2 V. Finally, we demonstrate the recyclability of these devices, achieving >85% capacity retention in each recycling step. Our work provides a framework for developing recyclable devices for sustainable energy storage technologies.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Conducting polymers and applications · Advanced battery technologies research · Supercapacitor Materials and Fabrication

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

Affiliations

Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States

Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, U.K.

Physical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia

Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States

Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States

Funding

Division of Graduate Education · King Abdullah University of Science and Technology · Division of Chemical, Bioengineering, Environmental, and Transport Systems · FP7 Ideas: European Research Council · TomKat Center for Sustainable Energy, Stanford University · StorageX initiative

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