Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting

Ren, Zhifeng; Yu, Fang; Zhou, Haiqing; Chen, Shuo

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Title: Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting

Abstract

A method of manufacturing a bifunctional electrocatalyst for overall water splitting comprising oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) by growing electrocatalyst comprising primarily metallic phosphides on a three-dimensional substrate by: immersing the substrate in an iron nitrate solution to form a once disposed substrate; subjecting the once disposed substrate to thermal phosphidation with phosphorus powder under inert gas to grow metal phosphides thereupon and form a once subjected substrate; cooling the once subjected substrate to form a cooled, once subjected substrate; immersing the cooled, once subjected substrate in an iron nitrate solution to form a twice disposed substrate; and subjecting the twice disposed substrate to thermal phosphidation with phosphorus powder under inert gas to provide an electrode comprising the bifunctional electrocatalyst on the three-dimensional substrate.

Inventors:: Ren, Zhifeng; Yu, Fang; Zhou, Haiqing; Chen, Shuo

Issue Date:: Tue Sep 20 00:00:00 EDT 2022

Research Org.:: Univ. of Houston, TX (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1925122

Patent Number(s):: 11447882

Application Number:: 17/047,032

Assignee:: University of Houston System (Houston, TX)

Patent Classifications (CPCs):: C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL

C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS

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C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C16/045 - {Coating cavities or hollow spaces, e.g. interior of tubes
C23C16/18 - from metallo-organic compounds
C23C16/30 - Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides

C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS
C25B1/04 - by electrolysis of water
C25B11/04 - characterised by the material

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DOE Contract Number:: SC0010831

Resource Type:: Patent

Resource Relation:: Patent File Date: 04/10/2019

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Ren, Zhifeng, Yu, Fang, Zhou, Haiqing, and Chen, Shuo. Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting.  United States: N. p., 2022. 
        Web.

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                    Ren, Zhifeng, Yu, Fang, Zhou, Haiqing, & Chen, Shuo. Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting.  United States.

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                    Ren, Zhifeng, Yu, Fang, Zhou, Haiqing, and Chen, Shuo. Tue .  
        "Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting".  United States.  https://www.osti.gov/servlets/purl/1925122.

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@article{osti_1925122,

  title        = {Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting},

  author       = {Ren, Zhifeng and Yu, Fang and Zhou, Haiqing and Chen, Shuo},

  abstractNote = {A method of manufacturing a bifunctional electrocatalyst for overall water splitting comprising oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) by growing electrocatalyst comprising primarily metallic phosphides on a three-dimensional substrate by: immersing the substrate in an iron nitrate solution to form a once disposed substrate; subjecting the once disposed substrate to thermal phosphidation with phosphorus powder under inert gas to grow metal phosphides thereupon and form a once subjected substrate; cooling the once subjected substrate to form a cooled, once subjected substrate; immersing the cooled, once subjected substrate in an iron nitrate solution to form a twice disposed substrate; and subjecting the twice disposed substrate to thermal phosphidation with phosphorus powder under inert gas to provide an electrode comprising the bifunctional electrocatalyst on the three-dimensional substrate.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Sep 20 00:00:00 EDT 2022},

  month        = {Tue Sep 20 00:00:00 EDT 2022}

}

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Title: Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting

Abstract

Citation Formats

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