CN112551484A - 一种利用超级电容器作为寄存器的人工光合作用处理方法 - Google Patents

一种利用超级电容器作为寄存器的人工光合作用处理方法 Download PDF

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CN112551484A
CN112551484A CN202011288720.4A CN202011288720A CN112551484A CN 112551484 A CN112551484 A CN 112551484A CN 202011288720 A CN202011288720 A CN 202011288720A CN 112551484 A CN112551484 A CN 112551484A
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张林楠
张宇航
宋青岳
纪盈
马志鹏
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Shenyang University of Technology
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Abstract

本发明涉及一种模拟天然绿叶的光合作用，利用超级电容器作为能量寄存单元，创造出一个与之相似的人工催化合成系统，利用太阳光在催化剂作用下吸收二氧化碳，产生清洁燃料氢和甲醇并放出氧气。包括光收集、水分子离解、电荷存储分离和产生清洁燃料氢和甲醇的四个基本步骤。建立了一个包括能源收集、转换和运输的仿生物合成系统，有助于太阳能、材料科学、纳米技术和光子学等绿色能源相关领域的创新和发展。

Description

一种利用超级电容器作为寄存器的人工光合作用处理方法
一、技术领域
本发明涉及一种模拟天然绿叶的光合作用，利用超级电容器作为能量寄存单元，创造出一个与之相似的人工催化合成系统，利用太阳光在催化剂作用下吸收二氧化碳，产生清洁燃料氢和甲醇并放出氧气。
二、背景技术
光合作用广泛存在于自然界，以绿色植物、海藻和蓝细菌等为依托，借助太阳光，通过叶绿体收集太阳光能，将二氧化碳和水转化成富有能量的有机化合物，并释放出氧气。其中最为关键的一步是由光驱动将水分子裂解为氧气、氢离子和电子的反应，这一反应向地球上所有复杂的生命提供能量和氧气，可以说是光合作用的核心。绿色植物依靠这一反应实现了地球上最成功的光转化机制——原初光能转换过程的量子效率几乎是100％。
模拟天然绿叶的光合作用，创造出一个与之相似的人工系统，包括光收集、水分子离解、电荷存储分离和产生清洁燃料氢和甲醇的四个基本步骤。
三、发明内容
发明目的
模拟天然绿叶的光合作用，创造出一个与之相似的人工系统，利用太阳光在催化剂作用下吸收二氧化碳，产生清洁燃料氢和甲醇并放出氧气。
技术方案
一种利用超级电容器作为寄存器的人工光合作用处理方法，其特征在于：模拟天然绿叶的光合作用，创造出一个与之相似的人工系统，包括光收集、水分子离解、电荷分离和产生清洁燃料氢和甲醇的四个基本步骤：
步骤A：光能的吸收、传递和转换，TiO2/Fe2O3复合薄膜催化剂，催化分解水的催化反应，光辐射在半导体上，当辐射的能量大于或相当于半导体的禁带宽度时，半导体内电子受激发从价带跃迁到导带，而空穴则留在价带，使电子和空穴发生分离，然后分别在半导体的不同位置将水还原成氢气，结合二氧化碳还原，将水氧化成氧气；
步骤B：模仿电子传递和光合磷酸化，形成可短时储存电子和光转化能的微超级电容装置作为协调分解水的催化反应和二氧化碳还原过程的界面介质；
步骤C：二氧化碳还原，光生电子和空穴迁移到表面后，可分别驱动不同的半反应：将CO2还原成HCOOH，CH3OH或其他小分子有机物，把活跃的化学能转变为稳定的化学能(固定CO2，形成糖类)。
步骤D:循环半反应，回步骤A，将水氧化成O2。
附图说明：
图1为本发明的流程图。
优点及效果
第一，多重催化基团由于紧密压缩，分子间可以共享光激发。这种特质被称为“量子相干(quantum coherence)”，结果表明可以显著地提高能量传递效率。
第二，模仿电子传递和光合磷酸化，形成可短时储存电子和光转化能的微超级电容装置作为协调分解水的催化反应和二氧化碳还原过程的界面介质，设备建造和运行非常简便，设备成本极低。
第三，建立了一个包括能源收集、转换和运输的仿生物合成系统，将鞭策太阳能、材料科学、纳米技术和光子学等绿色能源相关领域的创新和发展。
四、具体实施方式
1)光能的吸收、传递和转换，TiO2/Fe2O3复合薄膜催化剂，催化分解水的催化反应，光辐射在半导体上，当辐射的能量大于或相当于半导体的禁带宽度时，半导体内电子受激发从价带跃迁到导带，而空穴则留在价带，使电子和空穴发生分离，然后分别在半导体的不同位置将水还原成氢气，结合二氧化碳还原，将水氧化成氧气；
2)模仿电子传递和光合磷酸化，形成可短时储存电子和光转化能的微超级电容装置作为协调分解水的催化反应和二氧化碳还原过程的界面介质；
3)二氧化碳还原，光生电子和空穴迁移到表面后，可分别驱动不同的半反应：将CO2还原成HCOOH，CH3OH或其他小分子有机物，把活跃的化学能转变为稳定的化学能(固定CO2，形成糖类)。
4)循环半反应，回步骤1，将水氧化成O2。
实施例1
本发明利用太阳光直接催化分解水，为适应太阳光的能量分布规律，例如选用反应池的规格一般为1000W/m2，水的解离能5×108kJ/m3，根据能量要求，解离1m3水，则需要10座1m×1m反应单元串联。具体实施方式按工艺流程如下：
利用TiO2/Fe2O3复合薄膜催化剂，催化分解水的催化反应，光辐射在半导体上，当辐射的能量大于或相当于半导体的禁带宽度时，半导体内电子受激发从价带跃迁到导带，而空穴则留在价带，使电子和空穴发生分离，然后分别在半导体的不同位置将水还原成氢气，结合二氧化碳还原，将水氧化成氧气；利用离子分离膜和纳滤分离膜，模仿电子传递和光合磷酸化，形成可短时储存电子和光转化能的微超级电容装置作为协调分解水的催化反应和二氧化碳还原过程的界面介质；光生电子和空穴迁移到表面后，可分别驱动不同的半反应：将CO2还原成HCOOH，CH3OH或其他小分子有机物，把活跃的化学能转变为稳定的化学能(固定CO2，形成糖类)。循环半反应，回步骤1，将水氧化成O2。

Claims (1)

1.一种利用超级电容器作为寄存器的人工光合作用处理方法，其特征在于：模拟天然绿叶的光合作用，创造出一个与之相似的人工系统，包括光收集、水分子离解、电荷分离和产生清洁燃料氢和甲醇的四个基本步骤：
步骤A：光能的吸收、传递和转换:TiO2/Fe2O3复合薄膜催化剂，催化分解水的催化反应，光辐射在半导体上，当辐射的能量大于或相当于半导体的禁带宽度时，半导体内电子受激发从价带跃迁到导带，而空穴则留在价带，使电子和空穴发生分离，然后分别在半导体的不同位置将水还原成氢气，结合二氧化碳还原，将水氧化成氧气；
步骤B：模仿电子传递和光合磷酸化:形成可短时储存电子和光转化能的微超级电容装置作为协调分解水的催化反应和二氧化碳还原过程的界面介质；
步骤C：二氧化碳还原:光生电子和空穴迁移到表面后，可分别驱动不同的半反应：将CO2还原成HCOOH，CH3OH或其他小分子有机物，把活跃的化学能转变为稳定的化学能；
步骤D:循环半反应:回步骤A，将水氧化成O2。
CN202011288720.4A 2020-11-17 2020-11-17 一种利用超级电容器作为寄存器的人工光合作用处理方法 Pending CN112551484A (zh)

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Application publication date: 20210326