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Title: Cathode architectures for alkali metal / oxygen batteries

Electrochemical energy storage devices, such as alkali metal-oxygen battery cells (e.g., non-aqueous lithium-air cells), have a cathode architecture with a porous structure and pore composition that is tailored to improve cell performance, especially as it pertains to one or more of the discharge/charge rate, cycle life, and delivered ampere-hour capacity. A porous cathode architecture having a pore volume that is derived from pores of varying radii wherein the pore size distribution is tailored as a function of the architecture thickness is one way to achieve one or more of the aforementioned cell performance improvements.
Authors:
; ; ; ;
Publication Date:
OSTI Identifier:
1167216
Report Number(s):
8,932,771
13/525,128
DOE Contract Number:
AR0000061
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Jul 09
Research Org:
PolyPlus Battery Company, Berkeley, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE