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Process for making manganese dioxide and its polymorphs reversible

Patent ·
OSTI ID:1892830
; ; ;
A method of forming a layered manganese dioxide for use in a cathode of a battery comprises disposing a cathode into a housing of an electrochemical cell, disposing an anode into the housing, disposing a polymeric separator between the anode and the cathode such that the anode and the cathode are electrically separated, adding an alkaline electrolyte to the housing, cycling the electrochemical cell into the 2nd electron capacity of the manganese dioxide, and forming a layered manganese dioxide having a layered manganese dioxide structure with the one or more additives incorporated into the layered manganese dioxide structure. The cathode comprising a cathode material comprising: a manganese dioxide compound, one or more additives selected from the group consisting of bismuth, copper, tin, lead, silver, cobalt, nickel, magnesium, aluminum, potassium, lithium, calcium, gold, antimony, iron, zinc, and combinations thereof, and a conductive carbon.
Research Organization:
City Univ. of New York (CUNY), NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000150
Assignee:
Research Foundation of City University of New York (New York, NY)
Patent Number(s):
11,302,917
Application Number:
16/634,054
OSTI ID:
1892830
Country of Publication:
United States
Language:
English

References (2)

Accessing the second electron capacity of MnO2 by exploring complexation and intercalation reactions in energy dense alkaline batteries journal April 2018
Regenerable Cu-intercalated MnO2 layered cathode for highly cyclable energy dense batteries journal March 2017

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