The lightest organic radical cation for charge storage in redox flow batteries

Jinhua Huang; Baofei Pan; Wentao Duan; Xiaoliang Wei; Rajeev S. Assary; Liang Su; Fikile R. Brushett; Lei Cheng; Chen Liao; Magali S. Ferrandon; Wei Wang; Zhengcheng Zhang; Anthony K. Burrell; Larry A. Curtiss; Ilya A. Shkrob; Jeffrey S. Moore; Lu Zhang

doi:10.1038/srep32102

The lightest organic radical cation for charge storage in redox flow batteries

Jinhua Huang, Baofei Pan, Wentao Duan, Xiaoliang Wei, Rajeev S. Assary, Liang Su, Fikile R. Brushett, Lei Cheng, Chen Liao, Magali S. Ferrandon, Wei Wang, Zhengcheng Zhang, Anthony K. Burrell, Larry A. Curtiss, Ilya A. Shkrob, Jeffrey S. Moore, Lu Zhang

Research output: Contribution to journal › Article › peer-review

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Abstract

In advanced electrical grids of the future, electrochemically rechargeable fluids of high energy density will capture the power generated from intermittent sources like solar and wind. To meet this outstanding technological demand there is a need to understand the fundamental limits and interplay of electrochemical potential, stability, and solubility in low-weight redox-active molecules. By generating a combinatorial set of 1,4-dimethoxybenzene derivatives with different arrangements of substituents, we discovered a minimalistic structure that combines exceptional long-term stability in its oxidized form and a record-breaking intrinsic capacity of 161 mAh/g. The nonaqueous redox flow battery has been demonstrated that uses this molecule as a catholyte material and operated stably for 100 charge/discharge cycles. The observed stability trends are rationalized by mechanistic considerations of the reaction pathways.

Original language	English
Article number	32102
Journal	Scientific Reports
Volume	6
DOIs	https://doi.org/10.1038/srep32102
State	Published - Aug 25 2016
Externally published	Yes

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10.1038/srep32102

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Huang, J., Pan, B., Duan, W., Wei, X., Assary, R. S., Su, L., Brushett, F. R., Cheng, L., Liao, C., Ferrandon, M. S., Wang, W., Zhang, Z., Burrell, A. K., Curtiss, L. A., Shkrob, I. A., Moore, J. S., & Zhang, L. (2016). The lightest organic radical cation for charge storage in redox flow batteries. Scientific Reports, 6, Article 32102. https://doi.org/10.1038/srep32102

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title = "The lightest organic radical cation for charge storage in redox flow batteries",

abstract = "In advanced electrical grids of the future, electrochemically rechargeable fluids of high energy density will capture the power generated from intermittent sources like solar and wind. To meet this outstanding technological demand there is a need to understand the fundamental limits and interplay of electrochemical potential, stability, and solubility in low-weight redox-active molecules. By generating a combinatorial set of 1,4-dimethoxybenzene derivatives with different arrangements of substituents, we discovered a minimalistic structure that combines exceptional long-term stability in its oxidized form and a record-breaking intrinsic capacity of 161 mAh/g. The nonaqueous redox flow battery has been demonstrated that uses this molecule as a catholyte material and operated stably for 100 charge/discharge cycles. The observed stability trends are rationalized by mechanistic considerations of the reaction pathways.",

author = "Jinhua Huang and Baofei Pan and Wentao Duan and Xiaoliang Wei and Assary, {Rajeev S.} and Liang Su and Brushett, {Fikile R.} and Lei Cheng and Chen Liao and Ferrandon, {Magali S.} and Wei Wang and Zhengcheng Zhang and Burrell, {Anthony K.} and Curtiss, {Larry A.} and Shkrob, {Ilya A.} and Moore, {Jeffrey S.} and Lu Zhang",

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year = "2016",

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doi = "10.1038/srep32102",

language = "English",

volume = "6",

journal = "Scientific Reports",

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T1 - The lightest organic radical cation for charge storage in redox flow batteries

AU - Huang, Jinhua

AU - Pan, Baofei

AU - Duan, Wentao

AU - Wei, Xiaoliang

AU - Assary, Rajeev S.

AU - Su, Liang

AU - Brushett, Fikile R.

AU - Cheng, Lei

AU - Liao, Chen

AU - Ferrandon, Magali S.

AU - Wang, Wei

AU - Zhang, Zhengcheng

AU - Burrell, Anthony K.

AU - Curtiss, Larry A.

AU - Shkrob, Ilya A.

AU - Moore, Jeffrey S.

AU - Zhang, Lu

PY - 2016/8/25

Y1 - 2016/8/25

N2 - In advanced electrical grids of the future, electrochemically rechargeable fluids of high energy density will capture the power generated from intermittent sources like solar and wind. To meet this outstanding technological demand there is a need to understand the fundamental limits and interplay of electrochemical potential, stability, and solubility in low-weight redox-active molecules. By generating a combinatorial set of 1,4-dimethoxybenzene derivatives with different arrangements of substituents, we discovered a minimalistic structure that combines exceptional long-term stability in its oxidized form and a record-breaking intrinsic capacity of 161 mAh/g. The nonaqueous redox flow battery has been demonstrated that uses this molecule as a catholyte material and operated stably for 100 charge/discharge cycles. The observed stability trends are rationalized by mechanistic considerations of the reaction pathways.

AB - In advanced electrical grids of the future, electrochemically rechargeable fluids of high energy density will capture the power generated from intermittent sources like solar and wind. To meet this outstanding technological demand there is a need to understand the fundamental limits and interplay of electrochemical potential, stability, and solubility in low-weight redox-active molecules. By generating a combinatorial set of 1,4-dimethoxybenzene derivatives with different arrangements of substituents, we discovered a minimalistic structure that combines exceptional long-term stability in its oxidized form and a record-breaking intrinsic capacity of 161 mAh/g. The nonaqueous redox flow battery has been demonstrated that uses this molecule as a catholyte material and operated stably for 100 charge/discharge cycles. The observed stability trends are rationalized by mechanistic considerations of the reaction pathways.

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DO - 10.1038/srep32102

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SN - 2045-2322

VL - 6

JO - Scientific Reports

JF - Scientific Reports

M1 - 32102

ER -

The lightest organic radical cation for charge storage in redox flow batteries

Abstract

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