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Title: Asymmetric battery having a semi-solid cathode and high energy density anode

Embodiments described herein relate generally to devices, systems and methods of producing high energy density batteries having a semi-solid cathode that is thicker than the anode. An electrochemical cell can include a positive electrode current collector, a negative electrode current collector and an ion-permeable membrane disposed between the positive electrode current collector and the negative electrode current collector. The ion-permeable membrane is spaced a first distance from the positive electrode current collector and at least partially defines a positive electroactive zone. The ion-permeable membrane is spaced a second distance from the negative electrode current collector and at least partially defines a negative electroactive zone. The second distance is less than the first distance. A semi-solid cathode that includes a suspension of an active material and a conductive material in a non-aqueous liquid electrolyte is disposed in the positive electroactive zone, and an anode is disposed in the negative electroactive zone.
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
1320789
Assignee:
24M Technologies, Inc. (Cambridge, MA) ARPA-E
Patent Number(s):
9,437,864
Application Number:
14/202,606
Contract Number:
AR0000102
Resource Relation:
Patent File Date: 2014 Mar 10
Research Org:
24M Technologies, Inc. Cambridge, MA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE

Other works cited in this record:

High energy density redox flow device
patent, May 2014

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