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Title: Nickel-titanium-phosphate cathodes

Abstract

Cathode materials having an improved electronic conductivity allowing for faster kinetics in the electrochemical reaction, as well as higher conductivity to meet the power requirements for many consumer applications, especially at low temperatures. The cathode material comprises a compound from the family of compounds where the basic unit is generally represented by Li.sub.xNi.sub.0.5TiOPO.sub.4. The structure of Li.sub.xNi.sub.0.5TiOPO.sub.4 includes corner sharing octahedra [TiO.sub.6] running along the C-axis. The structure is such that nearly three Li atoms are being inserted in Li.sub.xNi.sub.0.5TiOPO.sub.4. A cell in accordance with the principles of the present invention is rechargable and demonstrates a high capacity of lithium intercalation and fast kinetics.

Inventors:
 [1];  [2]
  1. Westmont, IL
  2. Downers Grove, IL
Issue Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
985709
Patent Number(s):
7465520
Application Number:
10/858,806
Assignee:
UChicago Argonne LLC (Chicago, IL)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
DOE Contract Number:  
W-31-109-ENG-38
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Belharouak, Ilias, and Amine, Khalil. Nickel-titanium-phosphate cathodes. United States: N. p., 2008. Web.
Belharouak, Ilias, & Amine, Khalil. Nickel-titanium-phosphate cathodes. United States.
Belharouak, Ilias, and Amine, Khalil. Tue . "Nickel-titanium-phosphate cathodes". United States. https://www.osti.gov/servlets/purl/985709.
@article{osti_985709,
title = {Nickel-titanium-phosphate cathodes},
author = {Belharouak, Ilias and Amine, Khalil},
abstractNote = {Cathode materials having an improved electronic conductivity allowing for faster kinetics in the electrochemical reaction, as well as higher conductivity to meet the power requirements for many consumer applications, especially at low temperatures. The cathode material comprises a compound from the family of compounds where the basic unit is generally represented by Li.sub.xNi.sub.0.5TiOPO.sub.4. The structure of Li.sub.xNi.sub.0.5TiOPO.sub.4 includes corner sharing octahedra [TiO.sub.6] running along the C-axis. The structure is such that nearly three Li atoms are being inserted in Li.sub.xNi.sub.0.5TiOPO.sub.4. A cell in accordance with the principles of the present invention is rechargable and demonstrates a high capacity of lithium intercalation and fast kinetics.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {12}
}

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Works referenced in this record:

Ab initio determination and Rietveld refinement of the crystal structure of Ni 0.50 TiO ( PO 4 )
journal, March 1999


Preparation and structural characterization of two new titanium phosphates NaCaTi(PO) AND NiTiOPO
journal, January 1998