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Anode photosynthetic solar fuel cell system

A fuel cell system and fuel cell technology, applied in the field of plant-microbial fuel cells, can solve problems such as inability to meet large-scale production applications, low electrical energy conversion rate, etc., and achieve the effects of high energy conversion efficiency and mild reaction conditions

Pending Publication Date: 2020-06-26
GUANGDONG UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, microbial fuel cells (MFC) are mainly used in environmental restoration, power supply of remote sensors, and production of value-added products. However, due to the low conversion rate of electric energy, it cannot meet the needs of large-scale production applications.

Method used

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  • Anode photosynthetic solar fuel cell system
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  • Anode photosynthetic solar fuel cell system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1 Construction of anode photosynthetic solar fuel cell system

[0033] The root layer soil of Changzhou City Wetland Park in Jiangsu Province was collected, the pH value was 7.58, the soil moisture content was 37.52%, the salt content was 0.58%, the organic matter content was 19.37g / kg, the total nitrogen content was 2.75g / kg, and the available potassium content was 95.76mg / kg. Phosphorus content 43.56mg / kg, reserved for future use

[0034] like figure 2 As shown, the anode photosynthetic solar fuel cell system described in this embodiment includes an anode photosynthetic solar fuel cell (APSFCs), a resistor (4) and a xenon lamp group (5), and the anode photosynthetic solar fuel cell is a single-chamber structure, including Soil (7), water body (6), green aquatic plants (3) and two electrodes, the roots of the green aquatic plants (3) are placed inside the soil (7) through the water body (6), and one of the electrodes is tiled The inside of the soil is use...

Embodiment 2

[0035] Embodiment 2 Preparation method of anode photosynthetic solar fuel cell system

[0036] The specific preparation method of the anode photosynthetic solar fuel cell system described in this embodiment is as follows: take the plant root layer soil (7) in Changzhou Wetland Park, Jiangsu, after air-drying, grind and sieve to obtain the soil (7) matrix for planting plants; then select Cattail plants are cultivated in opaque, non-conductive black plastic pots filled with soil (7); graphite felt is selected as the cathode (2); nickel foam is used as a 3D support, and biomass porous carbon is used for its Foam nickel carries out surface modification as anode (1), and the specific surface area of ​​described biomass porous carbon is 3096m 2 / g, the specific capacitance is 268.49F / g; the cattail plant is planted in the growth box, and the cathode and anode of the system are placed in a symmetrical structure according to the length of the root system, wherein the size of the anode...

Embodiment 3

[0037] Example 3 Analysis of the influence of green plants and light conditions on the power generation capacity of fuel cells

[0038] The specific experimental scheme of this embodiment is as follows:

[0039] like Figure 5 to Figure 7 Build 3 groups of anode photosynthetic solar fuel cell systems (A1, A2, A3) as shown, and set Figure 4No plant control group (A0). Among them, A0 and A1 were set under normal sunlight conditions, and a xenon lamp was used to simulate sunlight, so that A2 was under continuous light conditions, and A3 plants were shaded with a shading bucket (9). The specific experimental groupings are shown in Table 1.

[0040] Table 1

[0041] Numbering A 0

A 1

A 2

A 3

plant none have have have light conditions normal sunshine normal sunshine continuous light shading

[0042] Add deionized water to each group of A1, A2, and A3 until the saturated water holding capacity of APSFCs is 800g / kg, place th...

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Abstract

The invention discloses an anode photosynthetic solar fuel cell system. A fuel cell comprises an anode photosynthetic solar fuel cell, a resistor and a hernia lamp group; the anode photosynthetic solar fuel cell is of a single-chamber structure, and comprises soil, a water body, green aquatic plants and two electrodes, wherein the roots of the green aquatic plants penetrate through the water bodyand are arranged in the soil; one electrode is flatly laid in soil to serve as an anode, and the other electrode of the resistor is laid on an interface of soil and water to serve as a cathode; the two ends of the resistor are connected with the anode and the cathode respectively; the hernia lamp group is arranged above green aquatic plants and used for providing continuous illumination conditions, and the two ends of the hernia lamp group are connected with the two ends of the anode photosynthetic solar fuel cell respectively. The fuel cell can be applied to treatment of polluted water and soil, realizes energy absorption of organic fuel and water and soil purification at the same time, and achieves dual utilization of environment and energy.

Description

technical field [0001] The invention belongs to the field of plant-microbial fuel cells, in particular to an anode photosynthetic solar fuel cell system. Background technique [0002] After the industrial revolution, the speed of energy utilization worldwide has shown exponential growth. Traditional energy is based on fossil energy. The current common fossil energy coal, oil, and natural gas will be nearly exhausted in recent decades, and the rapid development of the modern economy relies heavily on traditional energy for energy utilization. The continuous increase in demand has further increased the contradiction between supply and demand, so the research and development of renewable energy is imminent. In response to energy shortages and pollution crises, countries are developing a series of new and alternative energy sources, and various new energy technologies have been proposed one after another. It mainly includes fuel cell technology, hydrogen fuel, methanol, biodie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/16C02F3/32C02F3/34
CPCC02F3/32C02F3/34H01M8/16Y02E60/50
Inventor 杨彦余应新陈浩佳黄天岳
Owner GUANGDONG UNIV OF TECH
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