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Title: Vanadyl phosphates as high energy density cathode materials for rechargeable sodium battery

A positive electrode comprising .epsilon.-VOPO.sub.4 and/or Na.sub.x(.epsilon.-VOPO.sub.4) wherein x is a value from 0.1 to 1.0 as an active ingredient, wherein the electrode is capable of insertion and release of sodium ions and a reversible sodium battery containing the positive electrode are provided.
Inventors:
; ; ; ; ;
Issue Date:
OSTI Identifier:
1373553
Assignee:
Toyota Motor Engineering & Manufacturing North America, Inc. EFRC
Patent Number(s):
9,722,247
Application Number:
14/735,894
Contract Number:
SC0001294
Resource Relation:
Patent File Date: 2015 Jun 10
Research Org:
Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE

Works referenced in this record:

Electrochemical Behavior of Nanostructured ɛ-VOPO4 over Two Redox Plateaus
journal, January 2013
  • Chen, Z.; Chen, Q.; Chen, L.
  • Journal of the Electrochemical Society, Vol. 160, Issue 10, p. A1777-A1780
  • DOI: 10.1149/2.064310jes

Sodium-Ion Batteries
journal, May 2012
  • Slater, Michael D.; Kim, Donghan; Lee, Eungje
  • Advanced Functional Materials, Vol. 23, Issue 8, p. 947-958
  • DOI: 10.1002/adfm.201200691