CN107188154B - A kind of Calyx Physalis biology base carbon material and preparation method thereof - Google Patents
A kind of Calyx Physalis biology base carbon material and preparation method thereof Download PDFInfo
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- 241001164374 Calyx Species 0.000 title claims abstract description 50
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 241001106044 Physalis Species 0.000 title claims 7
- 244000064622 Physalis edulis Species 0.000 claims abstract description 70
- 239000002028 Biomass Substances 0.000 claims abstract description 33
- 239000012153 distilled water Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007864 aqueous solution Substances 0.000 claims abstract description 17
- 238000003763 carbonization Methods 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000002585 base Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 230000002085 persistent effect Effects 0.000 claims description 35
- 239000002243 precursor Substances 0.000 claims description 31
- 235000021028 berry Nutrition 0.000 claims description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract description 3
- 235000013399 edible fruits Nutrition 0.000 abstract description 3
- 235000000340 Solanum pseudocapsicum Nutrition 0.000 abstract 2
- 240000004482 Withania somnifera Species 0.000 abstract 2
- 235000001978 Withania somnifera Nutrition 0.000 abstract 2
- 150000004965 peroxy acids Chemical class 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 5
- 244000262969 Rhus integrifolia Species 0.000 description 3
- 235000013238 Rhus integrifolia Nutrition 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000001237 Raman spectrum Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 240000001548 Camellia japonica Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000000560 Citrus x paradisi Species 0.000 description 1
- 240000000716 Durio zibethinus Species 0.000 description 1
- 235000006025 Durio zibethinus Nutrition 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 241000196294 Spirogyra Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 244000126002 Ziziphus vulgaris Species 0.000 description 1
- 239000002194 amorphous carbon material Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 235000018597 common camellia Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- Processing Of Solid Wastes (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
技术领域technical field
本发明涉及一种碳材料及其制备方法。The invention relates to a carbon material and a preparation method thereof.
背景技术Background technique
生物基碳材料因其原料可再生、来源广、价格低和无污染等优点成为新型碳材料的来源和研究热点，并在众多领域中得到了广泛应用，如超级电容器、燃料电池、锂离子电池、吸附材料、光催化复合材料、分子筛膜及催化剂载体等。Due to the advantages of renewable raw materials, wide sources, low price and no pollution, bio-based carbon materials have become the source and research hotspot of new carbon materials, and have been widely used in many fields, such as supercapacitors, fuel cells, lithium-ion batteries , adsorption materials, photocatalytic composite materials, molecular sieve membranes and catalyst carriers, etc.
生物基碳材料的制备方法主要有水热碳化法和直接碳化法两种。直接碳化法是将生物质前驱体在无氧的环境中加热至300-1000℃而进行的裂解，所制得的碳材料导电性高、比表面积大。裂解条件分为慢速裂解、中速裂解和快速裂解，其特点是可根据裂解条件的控制，调控产物的形貌和性能，已成为应用最广泛的碳材料制备方法。The preparation methods of bio-based carbon materials mainly include hydrothermal carbonization method and direct carbonization method. The direct carbonization method is to crack the biomass precursor by heating it to 300-1000°C in an oxygen-free environment. The carbon material produced has high conductivity and large specific surface area. The cracking conditions are divided into slow cracking, medium cracking and fast cracking, which are characterized by controlling the morphology and properties of the product according to the control of cracking conditions, and have become the most widely used carbon material preparation method.
虽然目前已有生物质如各种花朵、花生壳、榴莲壳、酸枣壳、荷叶、水绵、柚子皮及油茶籽壳[8]等，被制作成为不同形貌和性能的碳材料，但仍远远满足不了目前科学技术的进步以及社会发展的需要。Although biomass such as various flowers, peanut shells, durian shells, jujube shells, lotus leaves, Spirogyra, pomelo peels, and camellia seed shells [8] have been produced into carbon materials with different shapes and properties, Still far from being able to satisfy the needs of current science and technology progress and social development.
发明内容Contents of the invention
本发明的目的在于提供一种利用可再生的生物资源开发性能优良的酸浆宿萼生物基碳材料及制备方法。The purpose of the present invention is to provide a bio-based carbon material of Physalis physalis with excellent development performance using renewable biological resources and a preparation method.
本发明的碳材料是以酸浆果的宿萼为原料，经过酸和或碱处理后，在惰性气体氛围下，经高温裂解碳化而获得的一种仍保留相应多管道结构的生物基碳材料。The carbon material of the present invention is a kind of bio-based carbon material that still retains the corresponding multi-pipe structure, which is obtained by pyrolysis and carbonization at high temperature under an inert gas atmosphere, using the persistent calyx of the sour berry as raw material.
本发明的制备方法如下：The preparation method of the present invention is as follows:
(1)将酸浆果的宿萼洗净，在0-6mol/L酸和或碱的水溶液中浸泡0-48小时，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。其中，所用的酸为H2SO4、HCl、HNO3或CH3COOH，碱为NaOH或KOH。(1) Wash the persistent calyx of Physalis berry, soak in 0-6mol/L acid and or alkali aqueous solution for 0-48 hours, then wash with distilled water and dry to obtain the biomass precursor of Physalis physalis. Wherein, the acid used is H 2 SO 4 , HCl, HNO 3 or CH 3 COOH, and the base is NaOH or KOH.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2或Ar等惰性气体保护下，在450℃-900℃下裂解碳化0.5-8小时，制备得到一种酸浆宿萼生物基碳材料。(2) Under the protection of inert gas such as N2 or Ar, the Physalis physalis biomass precursor prepared in step (1) is cracked and carbonized at 450°C-900°C for 0.5-8 hours to prepare an acid Plasma calyx bio-based carbon materials.
本发明与现有碳材料相比有如下优点：Compared with existing carbon materials, the present invention has the following advantages:
1、本发明所制备的生物基碳材料，采用的生物质前驱体是一种酸浆果的宿萼，略呈灯笼状，质轻且柔韧，有网状的细脉纹，中空，微观呈多管道结构。碳化后所得的碳材料仍保留相应中空孔道形貌，是一种具有特定形貌的新型碳材料。1. The bio-based carbon material prepared by the present invention adopts a biomass precursor which is a persistent calyx of Physalis berry, which is slightly lantern-shaped, light in weight and flexible, has reticulate fine veins, is hollow, and has many microscopic appearances. pipeline structure. The carbon material obtained after carbonization still retains the corresponding hollow channel morphology, which is a new type of carbon material with a specific morphology.
2、本发明所制得的这种中空孔道形貌的碳材料可以作为超级电容器和太阳能电池等的电极或电解质等的基体或填充材料，还可以作为催化剂、助催化剂或载体等，以提高相应材料及器件的性能。2. The carbon material of this hollow pore morphology obtained by the present invention can be used as a substrate or filling material for electrodes or electrolytes of supercapacitors and solar cells, etc., and can also be used as a catalyst, co-catalyst or carrier, etc., to improve the corresponding Properties of materials and devices.
3、本发明所采用的酸浆果的宿萼、经过酸碱处理后的酸浆果的宿萼前驱体以及由其制备的生物基碳材料，可作为模板物质，制备各种中空孔道形貌的无机、有机或无机-有机复合材料等。3. The persistent calyx of Physalis berry used in the present invention, the precursor of the persistent calyx of Physalis berry after acid-base treatment, and the bio-based carbon material prepared therefrom can be used as a template material to prepare inorganic materials with various hollow channel shapes. , organic or inorganic-organic composite materials, etc.
4、本发明的碳材料的制备方法简单，易于操作和控制，原料来源广、成本低、对环境无污染。4. The preparation method of the carbon material of the present invention is simple, easy to operate and control, has wide sources of raw materials, low cost and no pollution to the environment.
附图说明Description of drawings
图1是本发明中所采用的酸浆果的宿萼的照片图。Fig. 1 is the photogram of the persistent calyx of the sourberry fruit adopted among the present invention.
图2是本发明所制备得到的酸浆宿萼生物基碳材料的照片图。Fig. 2 is a photographic view of the Physalis persistent calyx bio-based carbon material prepared in the present invention.
图3是为本发明所制得的酸浆宿萼生物基碳材料的扫描电镜图。Fig. 3 is a scanning electron micrograph of the bio-based carbon material of Physalis physalis prepared for the present invention.
图4是本发明所制得的酸浆宿萼生物基碳材料的X衍射图。Fig. 4 is an X-ray diffractogram of the Physalis physalis bio-based carbon material prepared in the present invention.
图5是本发明所制得的酸浆宿萼生物基碳材料的拉曼谱图。Fig. 5 is a Raman spectrum of the Physalis physalis bio-based carbon material prepared in the present invention.
对上述附图说明如下：从图1可以看出酸浆果的宿萼呈淡黄色灯笼状，其上分布着细小的网状脉络。图2是酸浆宿萼碳化后经研磨制得的酸浆宿萼生物基碳材料，为黑色粉体。图3是酸浆宿萼生物基碳材料粉体在乙醇中经超声分散后，滴到导电胶带上烘干，然后测试所得的扫描电镜图，从中可以看出，粉体的侧边缘部分布满网格式孔道，说明粉体由多重管式通道构成，孔道直径大约在10μm左右，粉体表面上清晰可见管式通道破碎后所形成的棱状沟槽。从图4的X衍射图可以看出，酸浆宿萼生物基碳材料主要在2θ＝22°和2θ＝43°处出现了特征衍射峰，分别代表着乱层石墨的(002)和(100)晶面，说明酸浆宿萼经高温裂解处理之后，形成了类六方石墨结构，但衍射峰呈馒头状，说明其属无定型碳材料。从图5的拉曼谱图可以看出，酸浆宿萼生物基碳材料的D峰和G峰，分别出现在1346cm-1和1586cm-1处。Above-mentioned accompanying drawing is explained as follows: Can find out from Fig. 1 that the persistent calyx of sour berry is light yellow lantern shape, is distributed with tiny reticular veins on it. Figure 2 is the bio-based carbon material of Physalis calyx produced by grinding after carbonization of Physalis calyx, which is a black powder. Figure 3 is a scanning electron micrograph of the Physalis persistent calyx bio-based carbon material powder dispersed in ethanol by ultrasonic dispersion, then dropped onto a conductive tape for drying, and then tested. It can be seen that the side edge of the powder is covered with The grid-like channels indicate that the powder is composed of multiple tubular channels, and the diameter of the channels is about 10 μm. The prismatic grooves formed after the broken tubular channels are clearly visible on the surface of the powder. From the X-ray diffraction pattern in Figure 4, it can be seen that the bio-based carbon materials of Physalis physalis have characteristic diffraction peaks mainly at 2θ=22° and 2θ=43°, representing (002) and (100) of turbostratic graphite respectively. ) crystal surface, indicating that the calyx physalis formed a hexagonal graphite-like structure after high-temperature cracking treatment, but the diffraction peaks were steamed bun-shaped, indicating that it was an amorphous carbon material. It can be seen from the Raman spectrum in Figure 5 that the D and G peaks of the Physalis calyx bio-based carbon material appear at 1346cm -1 and 1586cm -1 respectively.
具体实施方式：Detailed ways:
实施例1Example 1
(1)将酸浆果的宿萼洗净，在6mol/L NaOH水溶液中浸泡24h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 6mol/L NaOH aqueous solution for 24h, then wash it with distilled water and dry it to obtain the biomass precursor of Physalis persistent calyx.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在700℃下裂解碳化3小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 700° C. for 3 hours under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例2Example 2
(1)将酸浆果的宿萼洗净，在6mol/L HCl水溶液中浸泡24h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 6mol/L HCl aqueous solution for 24h, then wash it with distilled water and dry it to obtain the biomass precursor of Physalis persistent calyx.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在700℃下裂解碳化3小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 700° C. for 3 hours under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例3Example 3
(1)将酸浆果的宿萼洗净，在4mol/L HCl水溶液中浸泡8h，用蒸馏水洗净后，在6mol/L NaOH水溶液中浸泡8h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 4mol/L HCl aqueous solution for 8h, wash it with distilled water, then soak it in 6mol/L NaOH aqueous solution for 8h, then wash it with distilled water and dry it to get Physalis sinensis Calyx biomass precursors.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在550℃下裂解碳化2小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 550° C. for 2 hours under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例4Example 4
(1)将酸浆果的宿萼洗净，在6mol/L NaOH水溶液中浸泡6h，用蒸馏水洗净后，在6mol/L HCl水溶液中浸泡6h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 6mol/L NaOH aqueous solution for 6h, wash it with distilled water, soak it in 6mol/L HCl aqueous solution for 6h, then wash it with distilled water and dry it to get Physalis sinensis Calyx biomass precursors.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在450℃下裂解碳化8小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 450° C. for 8 hours under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例5Example 5
(1)将酸浆果的宿萼洗净，在蒸馏水中浸泡24h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in distilled water for 24 hours, then wash it with distilled water and dry it to obtain the biomass precursor of the persistent calyx of Physalis berry.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在900℃下裂解碳化3小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 900° C. for 3 hours under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例6Example 6
(1)将酸浆果的宿萼洗净，在2mol/L KOH水溶液中浸泡24h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 2mol/L KOH aqueous solution for 24h, and then wash it with distilled water and dry it to obtain the biomass precursor of the persistent calyx of Physalis berry.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在500℃下裂解碳化1小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 500° C. for 1 hour under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例7Example 7
(1)将酸浆果的宿萼洗净，在1mol/L H2SO4水溶液中浸泡4h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 1mol/L H 2 SO 4 aqueous solution for 4 hours, and then wash it with distilled water and dry it to obtain the biomass precursor of the persistent calyx of Physalis berry.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在500℃下裂解碳化1小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 500° C. for 1 hour under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例8Example 8
(1)将酸浆果的宿萼洗净，在3mol/L HCl水溶液中浸泡24h，用蒸馏水洗净后，在3mol/L NaOH水溶液中浸泡24h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 3mol/L HCl aqueous solution for 24h, wash it with distilled water, soak it in 3mol/L NaOH aqueous solution for 24h, then wash it with distilled water and dry it to get the Physalis physalis Calyx biomass precursors.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在500℃下裂解碳化1小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 500° C. for 1 hour under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例9Example 9
(1)将酸浆果的宿萼洗净，在5mol/L CH3COOH水溶液中浸泡48h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 5mol/L CH 3 COOH aqueous solution for 48 hours, then wash it with distilled water and dry it to obtain the biomass precursor of the persistent calyx of Physalis berry.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在500℃下裂解碳化1小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 500° C. for 1 hour under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例10Example 10
(1)将酸浆果的宿萼洗净，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, and then wash and dry it with distilled water to obtain the biomass precursor of Physalis persistent calyx.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在N2保护下，在800℃下裂解碳化0.5小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 800° C. for 0.5 hour under the protection of N 2 to prepare a Physalis physalis bio-based carbon material.
实施例11Example 11
(1)将酸浆果的宿萼洗净，在3mol/L NaOH水溶液中浸泡12h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 3mol/L NaOH aqueous solution for 12h, then wash it with distilled water and dry it to obtain the biomass precursor of Physalis persistent calyx.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在Ar保护下，在600℃下裂解碳化1小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 600° C. for 1 hour under the protection of Ar to prepare a Physalis physalis bio-based carbon material.
实施例12Example 12
(1)将酸浆果的宿萼洗净，在2mol/L HNO3水溶液中浸泡10h，然后用蒸馏水洗净晾干，得到酸浆宿萼生物质前驱体。(1) Wash the persistent calyx of Physalis berry, soak it in 2mol/L HNO 3 aqueous solution for 10 h, then wash it with distilled water and dry it to obtain the biomass precursor of the persistent calyx of Physalis berry.
(2)将步骤(1)中制得的酸浆宿萼生物质前驱体在Ar保护下，在500℃下裂解碳化6小时，制备得到一种酸浆宿萼生物基碳材料。(2) The Physalis physalis biomass precursor prepared in step (1) was cracked and carbonized at 500° C. for 6 hours under the protection of Ar to prepare a Physalis physalis bio-based carbon material.
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