A kind of preparation method of cellulose nanofiber solid electrolyte membrane
A technology of solid electrolyte membrane and cellulose fiber, which is applied in the field of preparation and application of solid electrolyte membrane, and can solve problems that are not suitable for integration in portable electronic devices
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Embodiment 1
[0021] In the first step, the disintegrated pulp is pre-refined with a refiner at a speed of 10,000 rpm to obtain a uniform pulp suspension;
[0022] In the second step, the seminal plasma is mixed with mannanase for enzymatic conversion. The enzymatic pulp is washed with deionized water, and then poured into a refiner to prepare cellulose porous nanofibers.
[0023] In the third step, the cellulose nanofibers are stirred and dispersed in deionized water to obtain a uniform cellulose fiber suspension. The precursor for preparing functionalized cellulose nanofibers was diluted with methanol to a concentration of 10%, and then added to the cellulose fiber suspension. The molar ratio of DMOAP to repeated glucose units in cellulose fibers is 100:1. The mixture of cellulose fibers and functionalized precursors was stirred at room temperature for 12 h to realize the surface functionalization of nanocellulose.
[0024] In the fourth step, the mixture was centrifuged with a centrif...
Embodiment 2
[0028] In the first step, the disintegrated pulp is pre-refined with a refiner at a speed of 10,000 rpm to obtain a uniform pulp suspension;
[0029] In the second step, the seminal pulp is mixed with xylanase for enzymatic conversion. The enzymatic pulp is washed with deionized water, and then poured into a refiner to prepare cellulose porous nanofibers.
[0030] In the third step, the cellulose nanofibers are stirred and dispersed in deionized water to obtain a uniform cellulose fiber suspension. The precursor for preparing functionalized cellulose nanofibers was diluted with methanol to a concentration of 10%, and then added to the cellulose fiber suspension. The molar ratio of DMOAP to repeated glucose units in cellulose fibers is 200:1. The mixture of cellulose fibers and functionalized precursors was stirred at room temperature for 12 h to realize the surface functionalization of nanocellulose.
[0031] In the fourth step, the mixture was centrifuged with a centrifuge...
Embodiment 3
[0035] In the first step, the disintegrated pulp is pre-refined with a refiner at a speed of 10,000 rpm to obtain a uniform slurry suspension;
[0036] In the second step, the seminal pulp is mixed with mannanase and xylanase at a mass fraction of 1:1 for enzymatic conversion. The enzymatic pulp is washed with deionized water, and then poured into a refiner to prepare cellulose porous nanofibers.
[0037] In the third step, the cellulose nanofibers are stirred and dispersed in deionized water to obtain a uniform cellulose fiber suspension. The precursor for preparing functionalized cellulose nanofibers was diluted with methanol to a concentration of 10%, and then added to the cellulose fiber suspension. The molar ratio of DMOAP to repeated glucose units in cellulose fibers is 300:1. The mixture of cellulose fibers and functionalized precursors was stirred at room temperature for 12 h to realize the surface functionalization of nanocellulose.
[0038] In the fourth step, the...
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