CN109811357A - The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction - Google Patents

The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction Download PDF

Info

Publication number
CN109811357A
CN109811357A CN201910034398.3A CN201910034398A CN109811357A CN 109811357 A CN109811357 A CN 109811357A CN 201910034398 A CN201910034398 A CN 201910034398A CN 109811357 A CN109811357 A CN 109811357A
Authority
CN
China
Prior art keywords
hydrogen
bipd
topology
preparation
superconductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910034398.3A
Other languages
Chinese (zh)
Inventor
罗惠霞
何缘
严冬
王舒
石磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sun Yat Sen University
National Sun Yat Sen University
Original Assignee
National Sun Yat Sen University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Sun Yat Sen University filed Critical National Sun Yat Sen University
Priority to CN201910034398.3A priority Critical patent/CN109811357A/en
Publication of CN109811357A publication Critical patent/CN109811357A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Landscapes

  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The present invention relates to a kind of non-centrosymmetrical topology, superconductor BiPd to be applied to electrochemistry and produce hydrogen and preparation method thereof, belongs to electrochemical technology field.Preparation method is solid-state synthetic method and chemical stripping method, by the way that the Bi of stoichiometric ratio and Pd are sealed in vitreosil pipe, it is synthesized by high-temperature solid, form block materials, then it grinds, ultrasound removing obtains sheeting in the solution, finally by the used load of binder naphthols on carbon paper, laminar production hydrogen material catalyst is obtained.The production hydrogen material of this method preparation is sufficiently stable, and no miscellaneous phase generates, the simultaneously synthesizing production hydrogen material come out production hydrogen activity with higher under -0.5V operating voltage, and energy long-time stable catalysis produces hydrogen.It is produced in the room temperature of hydrogen, Hydrogen collection, the fields such as fuel cell have very big application prospect.

Description

The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction
Technical field
The invention belongs to electrochemical technology fields, and in particular to a kind of non-centrosymmetrical topology of chemical component (BiPd), Superconductor produces hydrogen and preparation method thereof for electrochemistry
Background technique
The burning of traditional energy such as petroleum, coal not only causes problem of environmental pollution, can also generate a large amount of greenhouse gases two Carbonoxide.And solving the problems, such as this effective ways then is the novel clean energy resource of development and utilization.In numerous clean energy resourcies, hydrogen The heat that gas completely burned is released is to wait quality gasolines burning exothermic more than 3 times, and the product water after completely burned is not Any pollution can be caused to environment.In addition to this, hydrogen as energy source also has the advantages such as light weight, source be wide.Currently, preparing hydrogen Three kinds of common methods include methane reforming, Coal Gasification and electrolysis water.Wherein, the process of methane reforming and Coal Gasification all can GHG carbon dioxide is generated, secondary pollution can be caused to environment.Only the overall process of electrolysis water is all environmentally protective.And In the process, catalyst plays the role of vital.Traditional electrolysis water catalyst generally includes the noble metals such as platinum and palladium, Therefore cost problem often will limit their extensive use.
In recent years, people are dedicated to exploring the elctro-catalyst with low overpotential and high-moisture solution efficiency, and find MoS2 Etc. stratiforms transition metal two chalcogenides (TMD) nano material have substitution business platinum based catalyst potential.In addition, recently Various transient metal sulfide topology materials are found in succession, such as WTe2(Phys.Rev.B 2016,94), MoTe2 (Phys.Rev.Lett.2016,117,56805), MoxW1-xTe2(Nature Commun.2016,7,10639) etc..More intentionally Think, 2018, German horse it is general Claudia professor's Felser group be put forward for the first time two chalcogenide of transition metal Topological material (2H-MoTe2, 1T-TaS2And 1T '-MoTe2) be applied to Photocatalyzed Hydrogen Production (Adv.Mater.2017,29, 1606202), and higher yield is obtained.Next year, Shenyang material science country, Metal Inst., Chinese Academy of Sciences research center are old Star autumn professor is calculated by the electrocatalytic hydrogen evolution of dirac nodel line semimetal TiSi family, and the electrocatalytic hydrogen evolution for topological material mentions Theoretical basis has been supplied, and has proposed Topological Quantum catalysis on this basis.BiPd is a kind of non-centrosymmetrical superconductor, it with The form of II type dirac fermion, carrying superconductivity and topological state.This might mean that BiPd was both likely to be " topological super Conductor ".Researcher all over the world is attempt to create topological superconductor, because they are expected to have in conventional superconductor In undiscovered special performance.They can be thermally conductive along its surface, this is possibly used for building thermoelectric device.Topological superconductor is also The quasi particle of referred to as anyon can be derived.The non-centrosymmetry lattice of BiPd also makes it while having singlet and three lines The orbit coupling of state, this orbit coupling property can make BiPd carrier density with higher at fermi level, be conducive to Catalysis.Therefore, it is proposed that existing superconductivity has the BiPd material of topological property to produce hydrogen for electrochemistry simultaneously using this again. In addition, BiPd compared with Pd simple substance, has the advantage that (1) greatly reduces cost;(2) formation of hydride is reduced, thus Substantially increase the yield and catalyst stability of hydrogen.
Summary of the invention
For the above defect of the existing technology, the present invention is intended to provide a kind of topology, superconductor material are for electrification It learns and produces hydrogen and preparation method thereof, the method is simple, and preparation cost is low, and hydrogen generation efficiency is high, and stability is superior.
In order to achieve the above object, the present invention adopts the following technical scheme:
It is a kind of topology, superconduction produce hydrogen material have composition below and thickness:
BiPd
0~100nm of sheet thickness.
A kind of topological, superconduction produces the preparation method of hydrogen material, has technical process below:
(1) corresponding Bi and Pd simple substance is successively weighed according to stoichiometric ratio 1: 1 to be sealed in vitreosil pipe.
(2) then quartz ampoule is put into Minitype box-type furnace, rises to 900 DEG C with the heating rate of 1 DEG C/min, heat preservation one It, is cooled to 600 DEG C in three days, is put into mixture of ice and water, opens quartz ampoule, and grinding obtains block materials;
(3) a certain amount of block materials are weighed, appropriate and suitable solvent is added, several minutes of ultrasound under certain power, Supernatant is the sheeting after removing;
(4) naphthols binder is added in the supernatant after ultrasound, several minutes of ultrasound uniformly mixed;
(5) the suitable catalyst solution of drop coating on carbon paper, the flake for obtaining carbon paper load produce hydrogen catalyst.
Compared with prior art, the invention has the following advantages:
(1) topology of the present invention, Chemistry of Superconductors Ma Guangcheng Ding Shiwen property are stablized, and structural property is surveyed in chemical stripping and electrochemistry Prolonged stability can be kept during examination;
(2) topological, superconductor element composition of the present invention only contains a small amount of noble metal, reduces preparation cost, Preparation process very simple, preparation condition require low;
(3) topology of preparation method preparation of the present invention, superconductor, sheet thickness can reach nanoscale, have Biggish specific surface area;
(4) topology of preparation method preparation of the present invention, superconductor BiPd have higher electro-chemical activity.- 10mA cm-2Current density under, the overpotential of BiPd is 186mV, and Tafel slope is 137.5mV dec-1
(5) topology of preparation method preparation of the present invention, superconductor have good stabilization in electrochemical process Property, can under certain bias steady operation 10 hours.
Detailed description of the invention
Fig. 1 is X-ray diffraction (XRD) map of the BiPd of the method for the invention preparation, the optical photograph of block materials And crystal structure schematic diagram;
Fig. 2 is scanning electron microscope map of the BiPd block materials of the present invention in air atmosphere;
Fig. 3 is high-resolution-ration transmission electric-lens map and selected diffraction map of the BiPd thin slice of the present invention in air atmosphere;
Fig. 4 is atomic force microscopy diagram spectrum and its thickness test of the BIPd thin slice of the present invention in air atmosphere;
Fig. 5 is the Electrochemical Characterization of BiPd thin slice of the present invention and BiPd block materials, including linear volt-ampere curve, Tafel curve, electrochemical impedance spectrogram and electric double layer capacitance spectrogram;
Fig. 6 is the stability test of BiPd thin slice of the present invention.
Specific embodiment
The present invention is furtherd elucidate below by drawings and examples, but protection scope of the present invention is not limited to Shown content.
Embodiment 1:
Accurate weighing 0.3313g Bi and 0.1686g Pd, and ground uniformly in mortar, then it is sealed in the stone of vacuum Ying Guanzhong rises to 900 DEG C with the heating rate of 1 DEG C/mim, keeps the temperature one day, be cooled to 600 DEG C within three days, be put into mixture of ice and water In, grinding obtains BiPd block materials.It takes 10mg BiPd block materials in 1mL DMF, takes supernatant after ultrasonic 30min, Naphthols binder is added to be uniformly mixed, drop coating proper catalyst solution is in carbon paper surface.Naturally dry is obtained with high electrochemical Activity and the topology of good electrochemical stability, superconduction BiPd thin slice production hydrogen material.
Embodiment 2:
Accurate weighing 0.3313g Bi and 0.1686g Pd, and ground uniformly in mortar, then it is sealed in the stone of vacuum Ying Guanzhong rises to 900 DEG C with the heating rate of 1 DEG C/mim, keeps the temperature one day, be cooled to 600 DEG C within three days, be put into mixture of ice and water In, grinding obtains BiPd block materials.It takes 10mg BiPd block materials in 1mL IPA, takes supernatant after ultrasonic 60min, Naphthols binder is added to be uniformly mixed, drop coating proper catalyst solution is in carbon paper surface.Naturally dry is obtained with high electrochemical Activity and the topology of good electrochemical stability, superconduction BiPd thin slice production hydrogen material.
Embodiment 3:
Accurate weighing 0.3313g Bi and 0.1686g Pd, and ground uniformly in mortar, then it is sealed in the stone of vacuum Ying Guanzhong rises to 900 DEG C with the heating rate of 1 DEG C/mim, keeps the temperature one day, be cooled to 600 DEG C within three days, be put into mixture of ice and water In, grinding obtains BiPd block materials.It takes 10mg BiPd block materials in 1mL Butanol, takes supernatant after ultrasonic 90min Liquid is added naphthols binder and is uniformly mixed, and drop coating proper catalyst solution is in carbon paper surface.Naturally dry obtains having high electricity Chemical activity and the topology of good electrochemical stability, superconduction BiPd thin slice production hydrogen material.
Embodiment 4:
Accurate weighing 0.3313g Bi and 0.1686g Pd, and ground uniformly in mortar, then it is sealed in the stone of vacuum Ying Guanzhong rises to 900 DEG C with the heating rate of 1 DEG C/mim, keeps the temperature one day, be cooled to 600 DEG C within three days, be put into mixture of ice and water In, grinding obtains BiPd block materials.Take 10mg BiPd block materials in 1mL CCl4In, supernatant is taken after ultrasonic 120min Liquid is added naphthols binder and is uniformly mixed, and drop coating proper catalyst solution is in carbon paper surface.Naturally dry obtains having high electricity Chemical activity and the topology of good electrochemical stability, superconduction BiPd thin slice production hydrogen material.
Embodiment 5:
Accurate weighing 0.3313g Bi and 0.1686g Pd, and ground uniformly in mortar, then it is sealed in the stone of vacuum Ying Guanzhong rises to 900 DEG C with the heating rate of 1 DEG C/mim, keeps the temperature one day, be cooled to 600 DEG C within three days, be put into mixture of ice and water In, grinding obtains BiPd block materials.It takes 10mg BiPd block materials in 1mL DMF, takes supernatant after ultrasonic 60min, Naphthols binder is added to be uniformly mixed, drop coating proper catalyst solution is in carbon paper surface.Naturally dry is obtained with high electrochemical Activity and the topology of good electrochemical stability, superconduction BiPd thin slice production hydrogen material.
Embodiment 6:
Accurate weighing 0.3313g Bi and 0.1686g Pd, and ground uniformly in mortar, then it is sealed in the stone of vacuum Ying Guanzhong rises to 900 DEG C with the heating rate of 1 DEG C/mim, keeps the temperature one day, be cooled to 600 DEG C within three days, be put into mixture of ice and water In, grinding obtains BiPd block materials.It takes 10mg BiPd block materials in 1mL DMF, takes supernatant after ultrasonic 90min, Naphthols binder is added to be uniformly mixed, drop coating proper catalyst solution is in carbon paper surface.Naturally dry is obtained with high electrochemical Activity and the topology of good electrochemical stability, superconduction BiPd thin slice production hydrogen material.
Evaluation experimental:
BiPd sheeting is in current density -10mA cm-2Under overpotential be 186mV, Tafel slope 137.5mV dec-1.At bias -0.5V, BiPd sheeting maintenance -20mA cm always after 8 hours-2Current density, performance do not have It is decreased obviously.

Claims (4)

1. a kind of non-centrosymmetrical topology, superconductor are applied to electrochemistry and produce hydrogen, it is characterised in that have chemistry below Formula and sheet thickness:
BiPd
0~100nm of sheet thickness.
2. the preparation method that a kind of non-centrosymmetrical topology, superconduction produce hydrogen material, it is characterised in that have technique below and Step:
(1) corresponding Bi and Pd is successively weighed according to stoichiometric ratio BiPd to be sealed in vitreosil pipe;
(2) then quartz ampoule is put into Minitype box-type furnace, rises to 900 DEG C with the heating rate of 1 DEG C/min, keeps the temperature one day, three It is cooled to 600 DEG C and is put into mixture of ice and water, opens quartz ampoule, and grinding obtains block materials;
(3) a certain amount of block materials are weighed, appropriate and suitable solvent is added, several minutes of ultrasound, supernatant under certain power Liquid is the sheeting after removing;
(4) naphthols binder is added in the supernatant after ultrasound, several minutes of ultrasound uniformly mixed;
(5) on carbon paper the suitable catalyst solution of drop coating to get to carbon paper load flake produce hydrogen catalyst.
3. calcination procedure according to claim 2: 1 DEG C/min of heating, keeps the temperature one day, is cooled to 600 DEG C within three days by 900 DEG C, It is put into mixture of ice and water.
4. topology made from method described in -2, superconduction sheeting produce hydrogen for electrochemical catalysis according to claim 1 Purposes.
CN201910034398.3A 2019-01-09 2019-01-09 The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction Pending CN109811357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910034398.3A CN109811357A (en) 2019-01-09 2019-01-09 The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910034398.3A CN109811357A (en) 2019-01-09 2019-01-09 The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction

Publications (1)

Publication Number Publication Date
CN109811357A true CN109811357A (en) 2019-05-28

Family

ID=66604453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910034398.3A Pending CN109811357A (en) 2019-01-09 2019-01-09 The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction

Country Status (1)

Country Link
CN (1) CN109811357A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111101150A (en) * 2019-12-02 2020-05-05 中山大学 Binary silicon-based hydrogen production material and preparation method thereof
WO2022214117A1 (en) * 2021-04-07 2022-10-13 Koellisch Karsten Electrolysis with combined superconductor technologies

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601756A (en) * 2013-11-06 2014-02-26 江苏华富储能新技术股份有限公司 Bismuth metal organic framework material, preparation method and lead storage battery anode additives thereof
CN106477629A (en) * 2016-10-08 2017-03-08 江苏大学 A kind of bismuth sulfide classifying nano flower electrode material for super capacitor and preparation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601756A (en) * 2013-11-06 2014-02-26 江苏华富储能新技术股份有限公司 Bismuth metal organic framework material, preparation method and lead storage battery anode additives thereof
CN106477629A (en) * 2016-10-08 2017-03-08 江苏大学 A kind of bismuth sulfide classifying nano flower electrode material for super capacitor and preparation method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ODYSSEAS PASCHOS等: "Bismuth modified Pd/C as catalysts for hydrogen related reactions", 《ELECTROCHEMISTRY COMMUNICATIONS》 *
ZHIXIANG SUN等: "Dirac surface states and nature of superconductivity in Noncentrosymmetric BiPd", 《NATURE COMMUNICATIONS》 *
衷明华等: "《综合化学实验》", 31 August 2014, 暨南大学出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111101150A (en) * 2019-12-02 2020-05-05 中山大学 Binary silicon-based hydrogen production material and preparation method thereof
WO2022214117A1 (en) * 2021-04-07 2022-10-13 Koellisch Karsten Electrolysis with combined superconductor technologies

Similar Documents

Publication Publication Date Title
Qiu et al. A comparative investigation on direct carbon solid oxide fuel cells operated with fuels of biochar derived from wheat straw, corncob, and bagasse
Yu et al. Utilization of corn cob biochar in a direct carbon fuel cell
CN105597792B (en) Meso-porous nano chip architecture nickelous selenide iron material and its preparation method and application
CN108374179B (en) A kind of preparation method and application of the compound nitrogen-doped carbon material of two cobaltous selenide of Fe2O3 doping
CN101844797B (en) Method for preparing solar energy absorbing layer material Cu2ZnSnS4 by hydrothermal synthesis
Kalyanasundaram et al. Themed issue: nanomaterials for energy conversion and storage
Yu et al. Electrochemical oxidation of catalytic grown carbon fiber in a direct carbon fuel cell using Ce0. 8Sm0. 2O1. 9-carbonate electrolyte
CN105289658A (en) Carbon fiber supported cobalt sulfide nanosheet catalyst and application thereof
CN113235104B (en) ZIF-67-based lanthanum-doped cobalt oxide catalyst and preparation method and application thereof
CN108993545A (en) A kind of cobalt selenium compound nanotube@nickel foam composite array material and its preparation method and application
CN111871427B (en) Precious metal/molybdenum-nickel composite material and preparation method and application thereof
Wulan et al. To stabilize oxygen on In/In2O3 heterostructure via joule heating for efficient electrocatalytic CO2 reduction
CN103495430A (en) Phosphorus-doped graphene oxygen reduction electro-catalyst and preparation method and application thereof
CN104016405A (en) Flower-shaped mesoporous titanium dioxide material and preparation method and application thereof
Qian et al. Free-standing bimetallic CoNiTe2 nanosheets as efficient catalysts with high stability at large current density for oxygen evolution reaction
Bie et al. Comparative study on the performance of different carbon fuels in a molten carbonate direct carbon fuel cell with a novel anode structure
CN109811357A (en) The non-centrosymmetrical topology of one kind, superconductor are applied to evolving hydrogen reaction
CN105529474A (en) Graphene wrapped ultra-dispersed nano molybdenum carbide electro-catalysis hydrogen producing catalyst and preparation method thereof
Dong et al. Built-in electric field intensified by photothermoelectric effect drives charge separation over Z-scheme 3D/2D In2Se3/PCN heterojunction for high-efficiency photocatalytic CO2 reduction
Han et al. A novel Boudouard reaction catalyst derived from strontium slag for enhanced performance of direct carbon solid oxide fuel cells
CN109759094A (en) It is a kind of distort the topology of monoclinic phase, superconductor is applied to electrochemistry liberation of hydrogen
Namazov et al. Properties of graphene based solar panels
Chen et al. Morphology selective electrodeposition of Cu2O microcrystals on ZnO nanotube arrays as efficient visible-light-driven photo-electrode
CN109860645B (en) Preparation method and application of biogel nitrogen fixation doped porous carbon
Fu et al. Composite heterojunction of BiFeO3 and CdS: A photocathode for promoting efficient decomposition of water using piezoelectric photoelectrocatalysis

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190528

WD01 Invention patent application deemed withdrawn after publication