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Title: High energy density redox flow device

Abstract

Redox flow devices are described in which at least one of the positive electrode or negative electrode-active materials is a semi-solid or is a condensed ion-storing electroactive material, and in which at least one of the electrode-active materials is transported to and from an assembly at which the electrochemical reaction occurs, producing electrical energy. The electronic conductivity of the semi-solid is increased by the addition of conductive particles to suspensions and/or via the surface modification of the solid in semi-solids (e.g., by coating the solid with a more electron conductive coating material to increase the power of the device). High energy density and high power redox flow devices are disclosed. The redox flow devices described herein can also include one or more inventive design features. In addition, inventive chemistries for use in redox flow devices are also described.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1131318
Patent Number(s):
8722227
Application Number:
13/975,474
Assignee:
Massachusetts Institute of Technology (Cambridge, MA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
DOE Contract Number:  
FC26-05NT42403
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Aug 26
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Chiang, Yet-Ming, Carter, W. Craig, Ho, Bryan Y, Duduta, Mihai, and Limthongkul, Pimpa. High energy density redox flow device. United States: N. p., 2014. Web.
Chiang, Yet-Ming, Carter, W. Craig, Ho, Bryan Y, Duduta, Mihai, & Limthongkul, Pimpa. High energy density redox flow device. United States.
Chiang, Yet-Ming, Carter, W. Craig, Ho, Bryan Y, Duduta, Mihai, and Limthongkul, Pimpa. Tue . "High energy density redox flow device". United States. https://www.osti.gov/servlets/purl/1131318.
@article{osti_1131318,
title = {High energy density redox flow device},
author = {Chiang, Yet-Ming and Carter, W. Craig and Ho, Bryan Y and Duduta, Mihai and Limthongkul, Pimpa},
abstractNote = {Redox flow devices are described in which at least one of the positive electrode or negative electrode-active materials is a semi-solid or is a condensed ion-storing electroactive material, and in which at least one of the electrode-active materials is transported to and from an assembly at which the electrochemical reaction occurs, producing electrical energy. The electronic conductivity of the semi-solid is increased by the addition of conductive particles to suspensions and/or via the surface modification of the solid in semi-solids (e.g., by coating the solid with a more electron conductive coating material to increase the power of the device). High energy density and high power redox flow devices are disclosed. The redox flow devices described herein can also include one or more inventive design features. In addition, inventive chemistries for use in redox flow devices are also described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 13 00:00:00 EDT 2014},
month = {Tue May 13 00:00:00 EDT 2014}
}

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    Works referencing / citing this record:

    Asymmetric battery having a semi-solid cathode and high energy density anode
    patent, November 2017


    Semi-solid electrodes having high rate capability
    patent, November 2017


    Semi-solid electrodes having high rate capability
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