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Title: ϵ-VOPO4 cathode for lithium ion batteries

Abstract

The epsilon polymorph of vanadyl phosphate, ε-VOPO4, made from the solvothermally synthesized H2VOPO4, is a high density cathode material for lithium-ion batteries optimized to reversibly intercalate two Li-ions to reach the full theoretical capacity at least 50 cycles with a coulombic efficiency of 98%. This material adopts a stable 3D tunnel structure and can extract two Li-ions per vanadium ion, giving a theoretical capacity of 305 mAh/g, with an upper charge/discharge plateau at around 4.0 V, and one lower at around 2.5 V.

Inventors:
;
Issue Date:
Research Org.:
State University of New York (SUNY), Binghamton, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1892621
Patent Number(s):
11251430
Application Number:
16/291,617
Assignee:
The Research Foundation of State University of New York (Binghamton, NY)
Patent Classifications (CPCs):
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
DOE Contract Number:  
SC0012583
Resource Type:
Patent
Resource Relation:
Patent File Date: 03/04/2019
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Siu, Carrie, and Whittingham, M. Stanley. ϵ-VOPO4 cathode for lithium ion batteries. United States: N. p., 2022. Web.
Siu, Carrie, & Whittingham, M. Stanley. ϵ-VOPO4 cathode for lithium ion batteries. United States.
Siu, Carrie, and Whittingham, M. Stanley. Tue . "ϵ-VOPO4 cathode for lithium ion batteries". United States. https://www.osti.gov/servlets/purl/1892621.
@article{osti_1892621,
title = {ϵ-VOPO4 cathode for lithium ion batteries},
author = {Siu, Carrie and Whittingham, M. Stanley},
abstractNote = {The epsilon polymorph of vanadyl phosphate, ε-VOPO4, made from the solvothermally synthesized H2VOPO4, is a high density cathode material for lithium-ion batteries optimized to reversibly intercalate two Li-ions to reach the full theoretical capacity at least 50 cycles with a coulombic efficiency of 98%. This material adopts a stable 3D tunnel structure and can extract two Li-ions per vanadium ion, giving a theoretical capacity of 305 mAh/g, with an upper charge/discharge plateau at around 4.0 V, and one lower at around 2.5 V.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {2}
}

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patent-application, December 2016


Lithium Ion Secondary Battery
patent-application, June 2019


Feed-through
patent-application, December 2013


Systems and methods for multi-analysis
patent, May 2017


Vanadium Solid-Salt Battery and Method for Producing Same
patent-application, December 2015


Cathode active material, method for producing the same, and nonaqueous electrolyte secondary battery
patent-application, December 2007


Continuous Process for Producing Electrochemical Cells
patent-application, February 2019


Optimized LiVOPO4 for cathodes in Li-ion rechargeable batteries
journal, September 2005


Centrifuge Configuration
patent-application, May 2015


Works, works better
journal, January 1993


Synthetic Process for Preparation of High Surface Area Electroactive Compounds for Battery Applications
patent-application, June 2013


Light-emitting device and display device
patent, October 2016