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Title: High capacity corrosion resistant V-based metal hydride electrodes for rechargeable metal hydride batteries

Abstract

In an aspect, an electrochemical cell comprises: a positive electrode; a negative electrode, said negative electrode having an alloy having a composition comprising V; and an electrolyte; wherein an additive is provided in said electrolyte to form primary vanadate ions upon dissociation of said additive in said electrolyte; and wherein the electrochemical cell is a metal hydride battery. In some embodiments of this aspect, the alloy is configured to sorb hydrogen during charging of said electrochemical cell and desorb hydrogen during discharging of said electrochemical cell. In some embodiments of this aspect, the electrolyte has a pH selected from the range of 13 to 15.

Inventors:
; ; ;
Issue Date:
Research Org.:
California Institute of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1632593
Patent Number(s):
10573932
Application Number:
15/996,380
Assignee:
California Institute of Technology (Pasadena, CA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
DOE Contract Number:  
AR0000366; SC0001057
Resource Type:
Patent
Resource Relation:
Patent File Date: 06/01/2018
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Yang, Heng, Weadock, Nicholas J., Fultz, Brent T., and Edwards, Bryce W. High capacity corrosion resistant V-based metal hydride electrodes for rechargeable metal hydride batteries. United States: N. p., 2020. Web.
Yang, Heng, Weadock, Nicholas J., Fultz, Brent T., & Edwards, Bryce W. High capacity corrosion resistant V-based metal hydride electrodes for rechargeable metal hydride batteries. United States.
Yang, Heng, Weadock, Nicholas J., Fultz, Brent T., and Edwards, Bryce W. Tue . "High capacity corrosion resistant V-based metal hydride electrodes for rechargeable metal hydride batteries". United States. https://www.osti.gov/servlets/purl/1632593.
@article{osti_1632593,
title = {High capacity corrosion resistant V-based metal hydride electrodes for rechargeable metal hydride batteries},
author = {Yang, Heng and Weadock, Nicholas J. and Fultz, Brent T. and Edwards, Bryce W.},
abstractNote = {In an aspect, an electrochemical cell comprises: a positive electrode; a negative electrode, said negative electrode having an alloy having a composition comprising V; and an electrolyte; wherein an additive is provided in said electrolyte to form primary vanadate ions upon dissociation of said additive in said electrolyte; and wherein the electrochemical cell is a metal hydride battery. In some embodiments of this aspect, the alloy is configured to sorb hydrogen during charging of said electrochemical cell and desorb hydrogen during discharging of said electrochemical cell. In some embodiments of this aspect, the electrolyte has a pH selected from the range of 13 to 15.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {2}
}

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