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

Patent ·
OSTI ID:1924920
; ; ; ;

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.

Research Organization:
24M Technologies, Inc., Cambridge, MA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000102
Assignee:
24M Technologies, Inc. (Cambridge, MA)
Patent Number(s):
11,394,049
Application Number:
17/182,674
OSTI ID:
1924920
Resource Relation:
Patent File Date: 02/23/2021
Country of Publication:
United States
Language:
English

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