CN106298266A - A kind of preparation method of Retinervus Luffae Fructus matrix activated carbon electrode material - Google Patents

A kind of preparation method of Retinervus Luffae Fructus matrix activated carbon electrode material Download PDF

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Publication number
CN106298266A
CN106298266A CN201610699583.0A CN201610699583A CN106298266A CN 106298266 A CN106298266 A CN 106298266A CN 201610699583 A CN201610699583 A CN 201610699583A CN 106298266 A CN106298266 A CN 106298266A
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CN
China
Prior art keywords
fructus
retinervus luffae
purity
deionized water
heating rate
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Pending
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CN201610699583.0A
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Chinese (zh)
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王利萍
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Individual
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Individual
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Priority to CN201610699583.0A priority Critical patent/CN106298266A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
    • H01G11/32—Carbon-based
    • H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
    • H01G11/32—Carbon-based
    • H01G11/44—Raw materials therefor, e.g. resins or coal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
    • Y—GENERAL 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/13—Energy storage using capacitors

Abstract

The preparation method of a kind of Retinervus Luffae Fructus matrix activated carbon electrode material, removes crust and Seeds of Luffa cylindrica by Fructus Luffae, remaining Retinervus Luffae Fructus, in nickel reactor, and high-purity N2Under atmosphere protection; 850 900 DEG C it are warmed up to respectively with the heating rate of 5 DEG C/min; carbonization 1h; Temperature fall, to room temperature, obtains carbide, by carbonized material and activator according to a certain percentage (KOH: carbonized material=2.2 2.5:1; mass ratio) mixing; add deionized water to stir, be positioned in nickel reactor after room temperature immersion 8 12h, high-purity N2Under atmosphere protection, activating 1h, natural cooling with the heating rate of 5 DEG C/min to 850 900 DEG C, collect the soak with hydrochloric acid 24h of activated material 5mol/L, deionized water is washed till neutrality, is dried 2 3h, to obtain final product at 110 DEG C.The invention has the beneficial effects as follows: synthesis technique is simple, reaction condition is gentle, and production cost is relatively low, favorable repeatability.

Description

A kind of preparation method of Retinervus Luffae Fructus matrix activated carbon electrode material
Technical field
The present invention relates to material synthesis method, the preparation method of a kind of Retinervus Luffae Fructus matrix activated carbon electrode material.
Background technology
Ultracapacitor is class novel energy-storing device between traditional capacitor and battery, with tradition energy storage device Comparing, it has higher energy density and power density, longer service life cycle, advantages of environment protection simultaneously.Electricity Pole is to determine ultracapacitor performance most critical factor, and therefore the research of electrode material is always this field academia and industrial quarters Focus.Retinervus Luffae Fructus is cucurbitaceous plant Fructus Luffae, and the vascular bundle of ripe Fructus Luffae fruit is mainly by cellulose, hemicellulose and wooden Element composition, has congenital short texture, unique porous physical arrangement.Utilizing natural reproducible resource, development environment is friendly Product and technology become the inexorable trend of sustainable development.Utilize Retinervus Luffae Fructus to produce activated carbon, be possible not only to reduce fossil energy Depending on unduly of source, but also can be that Retinervus Luffae Fructus provides a new utilization ways, widen and prepare ultracapacitor Carbon Materials Presoma source.
Summary of the invention
The technical problem to be solved is to provide the preparation method of a kind of Retinervus Luffae Fructus matrix activated carbon electrode material, A kind of new synthetic method is provided.
The synthetic method that the present invention uses, comprises the steps:
Fructus Luffae is removed crust and Seeds of Luffa cylindrica, remaining Retinervus Luffae Fructus, in nickel reactor, high-purity N2Under atmosphere protection, with 5 DEG C/ The heating rate of min is warmed up to 850-900 DEG C respectively, carbonization 1h, and Temperature fall, to room temperature, obtains carbide, by carbonized material and work Agent (KOH: carbonized material=2.2-2.5:1, mass ratio) according to a certain percentage mixes, and adds deionized water and stirs, and room temperature is soaked It is positioned over after stain 8-12h in nickel reactor, high-purity N2Under atmosphere protection, with the heating rate of 5 DEG C/min to 850-900 DEG C of work Changing 1h, natural cooling, collect the soak with hydrochloric acid 24h of activated material 5mol/L, deionized water is washed till neutrality, is dried 2-at 110 DEG C 3h, to obtain final product.
The invention has the beneficial effects as follows: synthesis technique is simple, reaction condition is gentle, and production cost is relatively low, favorable repeatability.
Detailed description of the invention
Further illustrating present disclosure below in conjunction with example, as known by the technical knowledge, the present invention also can pass through other The scheme without departing from the technology of the present invention feature describe, the most all within the scope of the present invention or equivalent the scope of the invention in Change and be all included in the invention.
Embodiment 1:
Fructus Luffae is removed crust and Seeds of Luffa cylindrica, remaining Retinervus Luffae Fructus, in nickel reactor, high-purity N2Under atmosphere protection, with 5 DEG C/ The heating rate of min is warmed up to 850 DEG C respectively, carbonization 1h, and Temperature fall, to room temperature, obtains carbide, by carbonized material and activator (KOH: carbonized material=2.2:1, mass ratio) mixing, adds deionized water and stirs, put after room temperature immersion 8h according to a certain percentage It is placed in nickel reactor, high-purity N2Under atmosphere protection, with the heating rate of 5 DEG C/min to 850 DEG C of activation 1h, natural cooling, Collecting the soak with hydrochloric acid 24h of activated material 5mol/L, deionized water is washed till neutrality, is dried 2h, to obtain final product at 110 DEG C.
Embodiment 2:
Fructus Luffae is removed crust and Seeds of Luffa cylindrica, remaining Retinervus Luffae Fructus, in nickel reactor, high-purity N2Under atmosphere protection, with 5 DEG C/ The heating rate of min is warmed up to 900 DEG C respectively, carbonization 1h, and Temperature fall, to room temperature, obtains carbide, by carbonized material and activator (KOH: carbonized material=2.5:1, mass ratio) mixing, adds deionized water and stirs, put after room temperature immersion 12h according to a certain percentage It is placed in nickel reactor, high-purity N2Under atmosphere protection, with the heating rate of 5 DEG C/min to 900 DEG C of activation 1h, natural cooling, Collecting the soak with hydrochloric acid 24h of activated material 5mol/L, deionized water is washed till neutrality, is dried 3h, to obtain final product at 110 DEG C.
By experiment, the KOH prepared according to the present invention is activator, through overactivation at 850-900 DEG C of alkali charcoal ratio is 2.2-2.5:1 time, can prepare specific surface area is 1589-1601m2/ g, mesoporous is the activated carbon of 29.05-29.11%, and this is lived Property carbon resistance rod ratio electric capacity in the KOH electrolyte of 3mol/L can reach 232-239F/g, has good electrochemistry Can, it is a kind of preferably electrode material for super capacitor.

Claims (1)

1. a preparation method for Retinervus Luffae Fructus matrix activated carbon electrode material, comprises the steps:
Fructus Luffae is removed crust and Seeds of Luffa cylindrica, remaining Retinervus Luffae Fructus, in nickel reactor, high-purity N2Under atmosphere protection, with 5 DEG C/ The heating rate of min is warmed up to 850-900 DEG C respectively, carbonization 1h, and Temperature fall, to room temperature, obtains carbide, by carbonized material and work Agent (KOH: carbonized material=2.2-2.5:1, mass ratio) according to a certain percentage mixes, and adds deionized water and stirs, and room temperature is soaked It is positioned over after stain 8-12h in nickel reactor, high-purity N2Under atmosphere protection, with the heating rate of 5 DEG C/min to 850-900 DEG C of work Changing 1h, natural cooling, collect the soak with hydrochloric acid 24h of activated material 5mol/L, deionized water is washed till neutrality, is dried 2-at 110 DEG C 3h, to obtain final product.
CN201610699583.0A 2016-08-22 2016-08-22 A kind of preparation method of Retinervus Luffae Fructus matrix activated carbon electrode material Pending CN106298266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610699583.0A CN106298266A (en) 2016-08-22 2016-08-22 A kind of preparation method of Retinervus Luffae Fructus matrix activated carbon electrode material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610699583.0A CN106298266A (en) 2016-08-22 2016-08-22 A kind of preparation method of Retinervus Luffae Fructus matrix activated carbon electrode material

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CN106298266A true CN106298266A (en) 2017-01-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108423675A (en) * 2018-03-02 2018-08-21 河南工程学院 The preparation method of high adsorption rate activated carbon
CN113636549A (en) * 2021-08-06 2021-11-12 南京林业大学 Method for converting invasive plant pistia stratiotes into low-ash biochar and application of method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006229069A (en) * 2005-02-18 2006-08-31 National Univ Corp Shizuoka Univ Activated carbon, its manufacturing method and polarizable electrode for electric double layer capacitor
CN103449433A (en) * 2012-06-01 2013-12-18 中国科学院城市环境研究所 Method for preparing novel active carbon by using potassium hydroxide activated vegetable luffa sponge
CN104098083A (en) * 2014-07-15 2014-10-15 黑龙江大学 Method for preparing porous nano carbon materials with biomass serving as carbon source
CN104108713A (en) * 2014-07-25 2014-10-22 哈尔滨工业大学深圳研究生院 Preparation methods and application of porous carbon from towel gourd vegetable sponge and composite material of porous carbon

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006229069A (en) * 2005-02-18 2006-08-31 National Univ Corp Shizuoka Univ Activated carbon, its manufacturing method and polarizable electrode for electric double layer capacitor
CN103449433A (en) * 2012-06-01 2013-12-18 中国科学院城市环境研究所 Method for preparing novel active carbon by using potassium hydroxide activated vegetable luffa sponge
CN104098083A (en) * 2014-07-15 2014-10-15 黑龙江大学 Method for preparing porous nano carbon materials with biomass serving as carbon source
CN104108713A (en) * 2014-07-25 2014-10-22 哈尔滨工业大学深圳研究生院 Preparation methods and application of porous carbon from towel gourd vegetable sponge and composite material of porous carbon

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108423675A (en) * 2018-03-02 2018-08-21 河南工程学院 The preparation method of high adsorption rate activated carbon
CN113636549A (en) * 2021-08-06 2021-11-12 南京林业大学 Method for converting invasive plant pistia stratiotes into low-ash biochar and application of method
CN113636549B (en) * 2021-08-06 2022-04-22 南京林业大学 Method for converting invasive plant pistia stratiotes into low-ash biochar and application of method

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