CN109594426A - Electrolytic capacitor paper - Google Patents
Electrolytic capacitor paper Download PDFInfo
- Publication number
- CN109594426A CN109594426A CN201811474876.4A CN201811474876A CN109594426A CN 109594426 A CN109594426 A CN 109594426A CN 201811474876 A CN201811474876 A CN 201811474876A CN 109594426 A CN109594426 A CN 109594426A
- Authority
- CN
- China
- Prior art keywords
- electrolytic capacitor
- cellulose
- nano
- capacitor paper
- beating degree
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/035—Liquid electrolytes, e.g. impregnating materials
Abstract
The invention discloses a kind of electrolytic capacitor paper, raw material is comprised the following components in parts by weight: 50-95 parts of high beating degree wood pulp；5-50 parts of nano-cellulose；1-10 parts of polyvinyl alcohol.The present invention is by being added nano-cellulose and polyvinyl alcohol in high beating degree wood pulp, after nano-cellulose and polyvinyl alcohol are added, it acts synergistically with high beating degree wood pulp, make up paper sheet defect, so that the paper density of electrolytic capacitor paper, tensile strength and breakdown voltage are significantly improved, the paper tensile strength of electrolytic capacitor improves 10.2-21.8%, and breakdown voltage improves 8.8-13.4%.
Description
Technical field
The invention belongs to capacitor area more particularly to a kind of capacitor electrolytic papers.
Background technique
Electrolytic capacitor paper be produce electrolytic capacitor important materials, for electrolytic capacitor cathode and anode it
Between, it can prevent the two poles of the earth from contacting and keep electrolyte, electrolytic capacitor paper has a major impact the quality of electrolytic capacitor.Electrolysis electricity
The quality of container paper is better, and processing performance is better, and pressure-resistant performance, the low-impedance performance of electrolytic capacitor are better.
Currently, the prior art is to wood pulp to the method used by the electric breakdown strength and anti-tensile degree of electrolytic capacitor paper that improves
High beating degree mashing is carried out, or is manufactured paper with pulp using the progress of different slurries is compound, but electrolytic capacitor paper performance is mentioned using this method
It is relative complex to rise limited and process.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the shortcomings of to mention in background above technology and defect, one kind is provided
High-intensitive, high voltage electrolytic capacitor paper.In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of electrolytic capacitor paper, raw material comprise the following components in parts by weight:
50-95 parts of high beating degree wood pulp；
5-50 parts of nano-cellulose；
1-10 parts of polyvinyl alcohol.
In the present invention, the proportion between high beating degree wood pulp, nano-cellulose and polyvinyl alcohol is for the strong of kraft capacitor paper
The properties such as degree, pressure-resistant performance have large effect, and the proportion of three needs reasonably to be controlled, and just can guarantee capacitor
The promotion of device paper performance.
In above-mentioned electrolytic capacitor paper, it is preferred that the beating degree of the high beating degree wood pulp is in 90 ° of SR or more.Beating degree
It is too low, it will affect the breakdown voltage of capacitor paper, in order to meet the needs of of the invention, beating degree will be controlled in 90 ° of SR or more.
In above-mentioned electrolytic capacitor paper, it is preferred that the diameter of the nano-cellulose is 5-60nm, length 100-
600nm.The diameter and length of nano-cellulose are excessively high to fill up effect reduction, and cementability reduces between too small fiber.
In above-mentioned electrolytic capacitor paper, it is preferred that the molecular weight of the polyvinyl alcohol is 40000-50000.In the present invention,
The molecular weight of polyvinyl alcohol cannot it is excessively high can not be too low, molecular weight needs and beating degree, the length of nano-cellulose of wood pulp
Degree is matched with direct line, can just obtain high-intensitive, high voltage electrolytic capacitor paper in the present invention.
In above-mentioned electrolytic capacitor paper, it is preferred that the raw material of electrolytic capacitor paper comprises the following components in parts by weight:
60 parts of high beating degree wood pulp；
35 parts of nano-cellulose；
5 parts of polyvinyl alcohol.
In above-mentioned electrolytic capacitor paper, it is preferred that the high beating degree wood pulp is high beating degree softwood pulp.
In above-mentioned electrolytic capacitor paper, it is preferred that the nano-cellulose is bamboo pulp nano-cellulose, wheat straw nanofiber
Any one of element, leaf wood nano-cellulose and cotton pulp nano-cellulose.
Electrolytic capacitor paper of the invention, by the way that nano-cellulose and polyethylene are added in high beating degree softwood pulp
Alcohol solution carries out mixing and manufactures paper with pulp and can be prepared.
Compared with the prior art, the advantages of the present invention are as follows:
The present invention is by being added nano-cellulose and polyvinyl alcohol, nano-cellulose and polyethylene in high beating degree wood pulp
After alcohol is added, acts synergistically with high beating degree wood pulp, paper sheet defect is made up, so that the paper density of electrolytic capacitor paper, anti-tensile
Intensity and breakdown voltage are significantly improved, and the paper tensile strength of electrolytic capacitor improves 10.2-21.8%, breakdown
Voltage increase 8.8-13.4%.
Specific embodiment
To facilitate the understanding of the present invention, present invention work more comprehensively, is meticulously described below in conjunction with preferred embodiment,
But the protection scope of the present invention is not limited to the following specific embodiments.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, is not intended to the limitation present invention
Protection scope.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Tightness in following comparative example and embodiment is measured using GB/T 451.3-2002, and tensile strength uses GB/T
12914 measurements, breakdown voltage are measured using GB/T3333-1999.
Embodiment 1:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 90 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 95%, and the mass fraction of bamboo pulp nano-cellulose is
4%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 1%, and molecular weight is
40000-50000。
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.80g/cm3, tensile strength 1.93kN/m, breakdown voltage 605V.
Embodiment 2:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 90 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 80%, and the mass fraction of bamboo pulp nano-cellulose is
17%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 3%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.82g/cm3, tensile strength 2.02kN/m, breakdown voltage 625V.
Embodiment 3:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 90 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 60%, and the mass fraction of bamboo pulp nano-cellulose is
35%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 5%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.84g/cm3, tensile strength 2.11kN/m, breakdown voltage 634V.
Embodiment 4:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 90 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 90%, and the mass fraction of bamboo pulp nano-cellulose is
8%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 2%, and molecular weight is
40000-50000。
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.92g/cm3, tensile strength 2.08kN/m, breakdown voltage 632V.
Embodiment 5:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 70%, and the mass fraction of bamboo pulp nano-cellulose is
25%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 5%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.94g/cm3, tensile strength 2.23kN/m, breakdown voltage 652V.
Embodiment 6:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 50%, and the mass fraction of bamboo pulp nano-cellulose is
40%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 10%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.94g/cm3, tensile strength 2.34kN/m, breakdown voltage 669V.
Embodiment 7:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 60%, and the mass fraction of bamboo pulp nano-cellulose is
35%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 5%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.95g/cm3, tensile strength 2.36kN/m, breakdown voltage 672V.
Embodiment 8:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 60%, and the mass fraction of bamboo pulp nano-cellulose is
30%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 10%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in the present embodiment carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.92g/cm3, tensile strength 2.25kN/m, breakdown voltage 660V.
Comparative example 1:
A kind of electrolytic capacitor paper, raw material are the softwood pulp that beating degree (ground by PFI and carry out defibrination) is 90 ° of SR.
Electrolytic capacitor paper in this comparative example carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.80g/cm3, tensile strength 1.75kN/m, breakdown voltage 556V.
Comparative example 2:
A kind of electrolytic capacitor paper, raw material are the softwood pulp that beating degree (ground by PFI and carry out defibrination) is 95 ° of SR.
Electrolytic capacitor paper in this comparative example carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.91g/cm3, tensile strength 1.92kN/m, breakdown voltage 590V.
Comparative example 3:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 35%, and the mass fraction of bamboo pulp nano-cellulose is
55%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 10%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in this comparative example carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.91g/cm3, tensile strength 1.98kN/m, breakdown voltage 642V.
Comparative example 4:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 70%, and the mass fraction of bamboo pulp nano-cellulose is
25%, the diameter of bamboo pulp nano-cellulose is 2-3nm, and the mass fraction of length 50-80nm, PVA are 5%, and molecular weight is
40000-50000。
Electrolytic capacitor paper in this comparative example carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.92g/cm3, tensile strength 1.95kN/m, breakdown voltage 645V.
Comparative example 5:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 70%, and the mass fraction of bamboo pulp nano-cellulose is
25%, the diameter of bamboo pulp nano-cellulose is 80-100nm, and the mass fraction of length 700-800nm, PVA are 5%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in this comparative example carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.90g/cm3, tensile strength 2.10kN/m, breakdown voltage 635V.
Comparative example 6:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 45%, and the mass fraction of bamboo pulp nano-cellulose is
50%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 5%, molecular weight
For 40000-50000.
Electrolytic capacitor paper in this comparative example carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.92g/cm3, tensile strength 1.98kN/m, breakdown voltage 645V.
Comparative example 7:
A kind of electrolytic capacitor paper, raw material be beating degree (by PFI grind carry out defibrination) be 95 ° of SR softwood pulp,
The mass fraction of nano-cellulose and PVAC polyvinylalcohol, softwood pulp is 60%, and the mass fraction of bamboo pulp nano-cellulose is
35%, the diameter of bamboo pulp nano-cellulose is 10-15nm, and the mass fraction of length 350-380nm, PVA are 5%, molecular weight
To be greater than 30000 less than 40000.
Electrolytic capacitor paper in this comparative example carries out handsheet preparation using the quick sheet forming apparatus of kayser, quantification of
30g/cm2, dry after measured, tightness 0.94g/cm3, tensile strength 2.35kN/m, breakdown voltage 670V.
Claims (7)
1. a kind of electrolytic capacitor paper, which is characterized in that its raw material comprises the following components in parts by weight:
50-95 parts of high beating degree wood pulp；
5-50 parts of nano-cellulose；
1-10 parts of polyvinyl alcohol.
2. electrolytic capacitor paper according to claim 1, which is characterized in that the beating degree of the high beating degree wood pulp exists
90 ° of SR or more.
3. electrolytic capacitor paper according to claim 1, which is characterized in that the diameter of the nano-cellulose is 5-
60nm, length 100-600nm.
4. electrolytic capacitor paper according to claim 1, which is characterized in that the molecular weight of the polyvinyl alcohol is 40000-
50000。
5. electrolytic capacitor paper according to claim 1-4, which is characterized in that the original of the electrolytic capacitor paper
Material comprises the following components in parts by weight:
60 parts of high beating degree wood pulp；
35 parts of nano-cellulose；
5 parts of polyvinyl alcohol.
6. electrolytic capacitor paper according to claim 1-4, which is characterized in that the high beating degree wood pulp is height
Beating degree softwood pulp.
7. electrolytic capacitor paper according to claim 1-4, which is characterized in that the nano-cellulose is bamboo pulp
Any one of nano-cellulose, wheat straw nano-cellulose, leaf wood nano-cellulose and cotton pulp nano-cellulose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474876.4A CN109594426B (en) | 2018-12-04 | 2018-12-04 | Electrolytic capacitor paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474876.4A CN109594426B (en) | 2018-12-04 | 2018-12-04 | Electrolytic capacitor paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109594426A true CN109594426A (en) | 2019-04-09 |
| CN109594426B CN109594426B (en) | 2021-05-11 |
Family
ID=65961067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811474876.4A Active CN109594426B (en) | 2018-12-04 | 2018-12-04 | Electrolytic capacitor paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109594426B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387160A (en) * | 2021-05-24 | 2022-11-25 | 中国制浆造纸研究院有限公司 | Super capacitor paper containing nanocellulose and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128948A (en) * | 2005-02-25 | 2008-02-20 | 可乐丽股份有限公司 | Alkaline battery separator and alkaline primery battery |
| CN103021664A (en) * | 2012-09-14 | 2013-04-03 | 朱健雄 | Making method of special paper for electrolytic capacitor |
| CN104332577A (en) * | 2014-11-24 | 2015-02-04 | 中国海诚工程科技股份有限公司 | Nano fibril ceramic diaphragm for lithium ion battery and preparing method of diaphragm |
| CN108172738A (en) * | 2017-12-18 | 2018-06-15 | 天津科技大学 | A kind of preparation method of cellulose base lithium battery diaphragm body paper |
| CN108172419A (en) * | 2018-01-04 | 2018-06-15 | 浙江凯恩特种材料股份有限公司 | A kind of enhanced super electrolytic capacitor diaphragm paper and preparation method thereof |
| US20180331340A1 (en) * | 2017-05-11 | 2018-11-15 | Lydall, Inc. | Multilayer battery separator and method of making same |
-
2018
- 2018-12-04 CN CN201811474876.4A patent/CN109594426B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128948A (en) * | 2005-02-25 | 2008-02-20 | 可乐丽股份有限公司 | Alkaline battery separator and alkaline primery battery |
| CN103021664A (en) * | 2012-09-14 | 2013-04-03 | 朱健雄 | Making method of special paper for electrolytic capacitor |
| CN104332577A (en) * | 2014-11-24 | 2015-02-04 | 中国海诚工程科技股份有限公司 | Nano fibril ceramic diaphragm for lithium ion battery and preparing method of diaphragm |
| US20180331340A1 (en) * | 2017-05-11 | 2018-11-15 | Lydall, Inc. | Multilayer battery separator and method of making same |
| CN108172738A (en) * | 2017-12-18 | 2018-06-15 | 天津科技大学 | A kind of preparation method of cellulose base lithium battery diaphragm body paper |
| CN108172419A (en) * | 2018-01-04 | 2018-06-15 | 浙江凯恩特种材料股份有限公司 | A kind of enhanced super electrolytic capacitor diaphragm paper and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387160A (en) * | 2021-05-24 | 2022-11-25 | 中国制浆造纸研究院有限公司 | Super capacitor paper containing nanocellulose and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109594426B (en) | 2021-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Andres et al. | Cellulose binders for electric double-layer capacitor electrodes: The influence of cellulose quality on electrical properties | |
| JP6869232B2 (en) | Methods for Producing Films Containing Microfibrillated Cellulose and Amphoteric Polymers | |
| KR20050021512A (en) | Method and apparatus for producing microfibrillated cellulose | |
| CN103147355B (en) | A kind of preparation method of biomass nano fiber conductive paper | |
| Hassan et al. | Palm rachis microfibrillated cellulose and oxidized-microfibrillated cellulose for improving paper sheets properties of unbeaten softwood and bagasse pulps | |
| CN108179652A (en) | A kind of reinforced electric electrolytic capacitor paper and preparation method thereof | |
| RU2698471C2 (en) | Accumulator separator and aluminium electrolytic capacitor | |
| CN106784548A (en) | Lithium ion battery green, Efficient lignocellulose matrix barrier film and preparation method thereof | |
| He et al. | A new and highly efficient conservation treatment for deacidification and strengthening of aging paper by in-situ quaternization | |
| CN104131494B (en) | A kind of preparation method of the non-linear dielectric cardboard based on nano modification | |
| CN109594426A (en) | Electrolytic capacitor paper | |
| RU2532548C1 (en) | Porous membrane and method of its production | |
| CN105887553B (en) | A kind of ultracapacitor dielectric absorption material and its production method | |
| CN110409224A (en) | A kind of preparation method of cellulose coating lithium ion battery diaphragm | |
| CN113924336B (en) | Natural composition comprising alginate and cellulose nanofibers derived from brown seaweed | |
| CN1793508A (en) | Process for preparing electrolytic capacitor paper | |
| CN108166320A (en) | A kind of method that on-line coater prepares low tightness high intensity electrolytic capacitor paper | |
| CN108172738B (en) | Preparation method of cellulose-based lithium battery diaphragm base paper | |
| CN108172419A (en) | A kind of enhanced super electrolytic capacitor diaphragm paper and preparation method thereof | |
| CN101581054B (en) | Paper pulp for gluing alkaline battery diaphragm paper and preparation process for preparing diaphragm paper by applying paper pulp | |
| TW201345023A (en) | Fine porous membrane and manufacture process thereof | |
| CN108004827A (en) | A kind of method that on-line coater prepares pressure resistant type electrolytic capacitor paper | |
| CN106012689A (en) | Paper-based mulching film and manufacturing method thereof | |
| CN105544298A (en) | Technology for repairing calligraphy and painting by using reproduced paper pulp | |
| KR20190062101A (en) | Cellulose nanofibrils and manufacturing method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |