Method for preparing novel hybrid fiber carbon paper for supercapacitor

A technology of supercapacitors and hybrid fibers, which is applied in the manufacture of hybrid/electric double-layer capacitors, pulping with inorganic alkali, and addition of inorganic compounds. It can solve the problems of low synthesis efficiency and general repeatability, and achieve broadened morphology. control, raw material rich effect

Active Publication Date: 2017-09-29
QILU UNIV OF TECH
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  • Description
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  • Application Information

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Problems solved by technology

However, its synthesis efficiency is low, the repeatability is average, and factors such as the degree of binding need to be considered

Method used

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  • Method for preparing novel hybrid fiber carbon paper for supercapacitor

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preparation example Construction

[0028] The preparation method of the novel hybrid fiber carbon paper for supercapacitor comprises the following steps:

[0029] (1) Using wood as the precursor, through the papermaking process, the wood is cooked to form a slurry;

[0030] (2) The slurry is washed, screened, and beaten to form pulp, and then fiber paper is formed through the papermaking process of the sheet machine;

[0031] (3) Immerse the fiber paper in the electroless Ni plating solution, dry it after completing the metal loading reaction, and obtain the hybrid fiber paper;

[0032] (4) Under the protection of nitrogen, the obtained hybrid fiber paper is calcined at high temperature to form a new hybrid fiber carbon paper material; the obtained new hybrid fiber carbon paper material has certain electrical conductivity and electrochemical stability, and can be used in field of supercapacitors.

[0033] In the step (1), conifer or larch is used as the precursor, and the wood chips are cooked with 12%-18% so...

Embodiment 1

[0039] Larch was selected as the precursor, and wood chips were cooked with 12% sodium hydroxide solution at 180 °C for 4 h to form a slurry, then washed with deionized water until pH = 7, screened by a screener, and beaten to form pulp. The degree of beating is 60 °SR, and finally paper is formed through the papermaking process of a sheet machine, and the paper weight is 120 g / m2. The fiber paper was dipped in electroless Ni plating solution (100 mgNiSO 4 , 100 mg iminodiacetic acid, 200 μL 32% NaOH solution, 500 μL N 2 h 4 , 10 mL of deionized water) to complete metal loading, and react at 80 °C for 1 h. After drying at 100°C, the hybrid fiber paper was obtained, and then calcined at a calcination temperature of 700°C for 2 h under the protection of nitrogen to form a carbon material to obtain a new type of hybrid fiber carbon paper, which can be effectively used in supercapacitors.

Embodiment 2

[0041] Larch was selected as the precursor, and wood chips were cooked with 15% sodium hydroxide solution at 160 °C for 3 h to form a slurry, then washed with deionized water until pH = 7, screened by a screener, and beaten to form pulp. The degree of beating is 50 °SR, and finally paper is formed through the papermaking process of a sheet machine, and the basis weight of the paper is 100 g / m2. The fiber paper was dipped in electroless Ni plating solution (150 mgNiSO 4 , 150 mg iminodiacetic acid, 200 μL 32% NaOH solution, 600 μL N 2 h 4 , 20 mL of deionized water) to complete the metal loading, and reacted at 80 °C for 1 h. After drying at 90 °C, the hybrid fiber paper was obtained, and then calcined at 700 °C for 2 h under the protection of nitrogen to form a carbon material to obtain a new type of hybrid fiber carbon paper, which can be effectively used in supercapacitors.

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Abstract

The invention particularly relates to a method for preparing a novel hybrid fiber carbon paper for supercapacitors. The preparation method of the novel hybrid fiber carbon paper for supercapacitor uses wood as the precursor, through the papermaking process, the wood is cooked to form a slurry, and then washed, screened, beaten to form a pulp, and finally formed into a fiber through the papermaking process Paper: The fiber paper is metal-loaded by electroless plating, and is calcined at high temperature under the protection of nitrogen to form a new hybrid fiber carbon paper material. The preparation method of the novel hybrid fiber carbon paper for supercapacitor uses wood as the raw material, which is rich in raw materials, energy saving and consumption reduction, and the structure is formed into a fibrous shape through the papermaking process, and then through simple electroless plating and carbonization methods, it is highly efficient. The formation of stable hybrid carbon fiber paper broadens the research on the controllable morphology of biomass energy, the preparation of biomass-based carbon materials, and the application fields of supercapacitors.

Description

technical field [0001] The invention relates to the technical field of hybrid carbon fibers, in particular to a method for preparing novel hybrid fiber carbon paper used for supercapacitors. Background technique [0002] Carbon fiber has the advantages of developed pore structure, stable thermodynamic performance, low cost and easy industrialization, etc., and is widely used in the research of supercapacitors to deal with increasingly severe energy and environmental problems. However, due to the complex structure of wood, it is difficult to realize the controllable preparation of wood-based carbon material morphology and pore structure by traditional technology, which affects its application in supercapacitors. [0003] Transform the amorphous microstructure of wood into a fiber structure by means of papermaking, and combine the hybridization technology to control the structure and composition of the carbon material, so as to improve the conductivity, wettability and active ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21C3/02D21H17/03D21H17/64D21H17/66H01G11/84
CPCY02E60/13D21C3/02D21H17/03D21H17/64D21H17/66H01G11/84
Inventor 孔凡功赵鑫陈洪雷王守娟
Owner QILU UNIV OF TECH
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