high performance carbon nanofiber supercapacitor electrode

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Pittsburg State University Pittsburg State University Pittsburg State University Digital Commons Pittsburg State University Digital Commons Paper and Posters Presentations Research Colloquium 2017 4-2017 High Performance Carbon Nanofiber Supercapacitor Electrode High Performance Carbon Nanofiber Supercapacitor Electrode with Tuned Porous Structure with Tuned Porous Structure Sanket Bhoyate Pittsburg State University Follow this and additional works at: https://digitalcommons.pittstate.edu/papers_2017 Part of the Polymer Chemistry Commons Recommended Citation Recommended Citation Bhoyate, Sanket, "High Performance Carbon Nanofiber Supercapacitor Electrode with Tuned Porous Structure" (2017). Paper and Posters Presentations. 7. https://digitalcommons.pittstate.edu/papers_2017/7 This Presentation is brought to you for free and open access by the Research Colloquium 2017 at Pittsburg State University Digital Commons. It has been accepted for inclusion in Paper and Posters Presentations by an authorized administrator of Pittsburg State University Digital Commons. For more information, please contact [email protected].

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Page 1: High Performance Carbon Nanofiber Supercapacitor Electrode

Pittsburg State University Pittsburg State University

Pittsburg State University Digital Commons Pittsburg State University Digital Commons

Paper and Posters Presentations Research Colloquium 2017

4-2017

High Performance Carbon Nanofiber Supercapacitor Electrode High Performance Carbon Nanofiber Supercapacitor Electrode

with Tuned Porous Structure with Tuned Porous Structure

Sanket Bhoyate Pittsburg State University

Follow this and additional works at: https://digitalcommons.pittstate.edu/papers_2017

Part of the Polymer Chemistry Commons

Recommended Citation Recommended Citation Bhoyate, Sanket, "High Performance Carbon Nanofiber Supercapacitor Electrode with Tuned Porous Structure" (2017). Paper and Posters Presentations. 7. https://digitalcommons.pittstate.edu/papers_2017/7

This Presentation is brought to you for free and open access by the Research Colloquium 2017 at Pittsburg State University Digital Commons. It has been accepted for inclusion in Paper and Posters Presentations by an authorized administrator of Pittsburg State University Digital Commons. For more information, please contact [email protected].

Page 2: High Performance Carbon Nanofiber Supercapacitor Electrode

A high-performance symmetrical supercapacitor device

based on carbon nanofibres with optimized linear tubestructure

Sanket Bhoyate, P. K. Kahol and Ram Gupta

Page 3: High Performance Carbon Nanofiber Supercapacitor Electrode

Topics

Introduction

Process background

Characterization and properties

Electrochemical properties

Applications

Summary

References

Page 4: High Performance Carbon Nanofiber Supercapacitor Electrode

Introduction

Energy conservation and its use

Energy Production Stored local energy

Page 5: High Performance Carbon Nanofiber Supercapacitor Electrode

Supercapacitors

1) Electric Double Layer 2) Faradic Reaction

EDL is 0.6-1 nm thick Charge Layer is nm to μm thick

Electrodes

Electrolyte

Ion Absorption

Page 6: High Performance Carbon Nanofiber Supercapacitor Electrode

Overall Process

Step 1

•10% PAN Solution in DMF

•10% PAN-PS (1:1) in DMF

Step 2

•Electrospinning of the Fibers

•Carbonization at 800oC

Step3

•Make an electrode by dip-coating Ni-Foam

•Electrochemical characterization

Page 7: High Performance Carbon Nanofiber Supercapacitor Electrode

Electrospinning

Linear Tube Carbon Nanofiber (LTCNF)

Page 8: High Performance Carbon Nanofiber Supercapacitor Electrode

Electrospinning

Page 9: High Performance Carbon Nanofiber Supercapacitor Electrode

Characterization of LTCNF

BET Surface area = ~86 m2/gm

Page 10: High Performance Carbon Nanofiber Supercapacitor Electrode

Electrochemical MeasurementsCV and CD curves

Page 11: High Performance Carbon Nanofiber Supercapacitor Electrode

Device Study

Page 12: High Performance Carbon Nanofiber Supercapacitor Electrode

Device Study

Page 13: High Performance Carbon Nanofiber Supercapacitor Electrode

EIS for supercapacitor device

Page 14: High Performance Carbon Nanofiber Supercapacitor Electrode

Applications of SC

Page 15: High Performance Carbon Nanofiber Supercapacitor Electrode

Summary and future aspects for

research

Introduction

How to prepare Carbon nanofibers by electrospinning

Characterizations

Electrochemical measurements for electrode in 3 electrode system

Electrochemical measurements for SC device

Effect of temperature on device

EIS results

Applications

Future of Research

Coating with various redox materials to obtain high performance effects.

Multi functional device fabrications, etc.

Page 16: High Performance Carbon Nanofiber Supercapacitor Electrode

References

1) Flexible solid-state electrochemical supercapacitors

By- Peihua Yang, Wenjie Main

Nano Energy(2014) 8, 274–290

2) Images from introduction and application slide are from

Google images