Carbon, volume 129, pages 564-571

Optimized hard carbon derived from starch for rechargeable seawater batteries

Publication typeJournal Article
Publication date2018-04-01
Journal: Carbon
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor10.9
ISSN00086223
General Chemistry
General Materials Science
Abstract
The recently introduced seawater battery concept is an eco-friendly energy storage system that offers appealing electrochemical performance. Its radically innovative design, compared to conventional lithium-ion batteries, makes use of seawater as an almost infinite sodium reservoir for the positive electrode and, thereby, avoids the use of expensive, scarce, and toxic elements like nickel and cobalt. So far, the problems identified mostly originate from the available negative electrode active materials. In this study, a starch-derived hard carbon was used to optimize the system. Due to its improved disordered structure compared with commercial hard carbon, the starch hard carbon exhibits an increased reversible capacity, current-rate capability, and cycling ability. The material, in fact, depicts a high maximum power density of 700 W kg−1 (based on hard carbon weight) upon discharge at 900 mA g−1, while still being active at 2700 mA g−1. These results represent an important step toward practical application of the sodium-based seawater battery technology.

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GOST Copy
Lee M. G. et al. Optimized hard carbon derived from starch for rechargeable seawater batteries // Carbon. 2018. Vol. 129. pp. 564-571.
GOST all authors (up to 50) Copy
Lee M. G., Cho J. Y., Vaalma C., Bae G. H., Kim G., Passerini S., Kim Y. Optimized hard carbon derived from starch for rechargeable seawater batteries // Carbon. 2018. Vol. 129. pp. 564-571.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.carbon.2017.12.059
UR - https://doi.org/10.1016/j.carbon.2017.12.059
TI - Optimized hard carbon derived from starch for rechargeable seawater batteries
T2 - Carbon
AU - Lee, Mung Gu
AU - Cho, Jung Yun
AU - Vaalma, Christoph
AU - Bae, Geun Hyeong
AU - Kim, Guk-Tae
AU - Passerini, Stefano
AU - Kim, Youngsik
PY - 2018
DA - 2018/04/01 00:00:00
PB - Elsevier
SP - 564-571
VL - 129
SN - 0008-6223
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Lee,
author = {Mung Gu Lee and Jung Yun Cho and Christoph Vaalma and Geun Hyeong Bae and Guk-Tae Kim and Stefano Passerini and Youngsik Kim},
title = {Optimized hard carbon derived from starch for rechargeable seawater batteries},
journal = {Carbon},
year = {2018},
volume = {129},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.carbon.2017.12.059},
pages = {564--571},
doi = {10.1016/j.carbon.2017.12.059}
}
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