使用水和铁 (III) 门的高性能自动供电热水化学发电机中复杂的离子行为
Ming Xiao1, Panmeng Tao1, Yuqin Wang2
1School of Electronics and Information Engineering, Anhui University, Hefei, 230601, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|February 25, 2024
概括
一个使用无形FeCl3颗粒和独特门的新型水热化学发电机可以在96个多小时内产生稳定的0.60V,提供可持续的能源解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 收集能源 收集能源
背景情况:
- 离子流是一种可行的清洁能源发电方法.
- 现有的离子热电 (i-TE) 和水电设备存在局限性.
- 需要新的方法来有效地利用可用资源进行能源转换.
研究的目的:
- 设计和研究一个新的热水化学发电机.
- 为了探索无形FeCl3在MWCNT中分散的能量产生能力,使用铁化物或水门.
- 评估设备在不同条件下的性能及其利用低等级热量的潜力.
主要方法:
- 使用MWCNT中的无形FeCl3颗粒和独特的化铁或水门制造发电机.
- 测量长时间 (96+小时) 的电压输出稳定性.
- 通过操纵阴离子度,湿度和温度梯度来表征短路电流和功率输出.
- 确定低等级热利用的西贝克系数.
主要成果:
- 发电机在96个多小时内实现了0.60V的恒压输出,没有温度差异.
- 最大短路电流和输出功率分别达到168.46 μA和28.11 μW.
- 记录了6.79mV K-1的Seebeck系数,表明有效利用低等级的热量.
结论:
- 开发的热水化学发电机为能源生产提供了一种新且有效的方法.
- 该设备展示了一种简单,可持续和低成本的能源供应策略,通过利用低级热,水和盐溶液.
- 这项技术为分散和连续发电提供了一个有前途的方法.
相关概念视频
01:21DC Battery
793
A conductor needs to be a component of a path that creates a closed loop or full circuit to have a continuous current flowing through it. A current starts to flow if an electric field is created inside an isolated conductor that is not part of a full circuit. The conductor quickly develops a net positive charge at one end and a net negative charge at the other. These charges generate an electric field opposite the direction of the applied electric field, which reduces the current. Eventually,...
793
03:12Batteries and Fuel Cells
27.4K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
27.4K
02:47Voltaic/Galvanic Cells
57.2K
Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
57.2K
03:00Electrolysis
26.4K
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
26.4K
02:49Corrosion
24.3K
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
24.3K