公开(公告)号：US20230275251A1

公开(公告)日：2023-08-31

申请号：US18143221

申请日：2023-05-04

Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA

Inventor： Sri R. NARAYAN ,  G.K. Surya PRAKASH ,  Archith NIRMALCHANDAR ,  Advaith MURALI ,  Bo YANG ,  Sankarganesh KRISHNAMOORTHY ,  Lena HOOBER-BURKHARDT ,  Robert ANISZFELD

IPC: H01M8/18 ,  C07C309/32

CPC classification number: H01M8/188 ,  C07C309/32

Abstract: An organic flow battery having a positive electrode electrolyte containing organic compounds with extended conjugation and/or cyclic side chains is provided. The flow battery includes a positive electrode and a positive electrode electrolyte including first solvent and a first redox couple. The positive electrode electrolyte flows over and contacting the positive electrode. The first redox couple includes a first organic compound and a reduction product of the first organic compound. The flow battery also includes a negative electrode and a negative electrode electrolyte including a second solvent and a second redox couple. The negative electrode electrolyte flows g over and contacts the positive electrode. Typically, an ion exchange membrane is interposed between the positive electrode and the negative electrode Characteristically, the first organic compound resists crossover through the ion exchange membrane.

公开(公告)号：US20210005918A1

公开(公告)日：2021-01-07

申请号：US16980549

申请日：2019-03-12

Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA

Inventor： Sri R. NARAYAN ,  G.K. Surya PRAKASH ,  Archith NIRMALCHANDAR ,  Advaith MURALI ,  Bo YANG ,  Sankarganesh KRISHNAMOORTHY ,  Lena HOOBER-BURKHARDT ,  Robert ANISZFELD

IPC: H01M8/18 ,  C07C309/32

Abstract: An organic flow battery having a positive electrode electrolyte containing organic compounds with extended conjugation and/or cyclic side chains is provided. The flow battery includes a positive electrode and a positive electrode electrolyte including first solvent and a first redox couple. The positive electrode electrolyte flows over and contacting the positive electrode. The first redox couple includes a first organic compound and a reduction product of the first organic compound. The flow battery also includes a negative electrode and a negative electrode electrolyte including a second solvent and a second redox couple. The negative electrode electrolyte flows g over and contacts the positive electrode. Typically, an ion exchange membrane is interposed between the positive electrode and the negative electrode Characteristically, the first organic compound resists crossover through the ion exchange membrane.

公开(公告)号：US20200176802A1

公开(公告)日：2020-06-04

申请号：US16785715

申请日：2020-02-10

Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA

Inventor： Sri NARAYAN ,  Surya G.K. PRAKASH ,  Bo YANG ,  Lena HOOBER-BURKHARDT ,  Sankarganesh KRISHNAMOORTHY

IPC: H01M8/18 ,  H01M8/20 ,  H01M8/08

Abstract: A flow battery includes a positive electrode, a positive electrode electrolyte, a negative electrode, a negative electrode electrolyte, and a polymer electrolyte membrane interposed between the positive electrode and the negative electrode. The positive electrode electrolyte includes water and a first redox couple. The first redox couple includes a first organic compound which includes a first moiety in conjugation with a second moiety. The first organic compound is reduced during discharge while during charging the reduction product of the first organic compound is oxidized to the first organic compound. The negative electrode electrolyte includes water and a second redox couple. The second couple includes a second organic compound including a first moiety in conjugation with a second moiety. The reduction product of the second organic compound is oxidized to the second organic compound during discharge.