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Method and system for storing electrical energy

An electric energy and energy technology, applied in the field of electric energy storage systems, can solve problems such as emission reduction, gaseous CO2 separation and complex treatment, and achieve the effect of reducing load

Active Publication Date: 2018-07-10
FLD TECHNOLOGIES GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Disadvantages of the prior art in particular: firstly only the CO formed 2 A portion of the combustion exhaust can be separated so that while CO 2 Emissions can be reduced, but they cannot be completely avoided
Second, gaseous CO 2 The separation and processing of

Method used

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  • Method and system for storing electrical energy
  • Method and system for storing electrical energy
  • Method and system for storing electrical energy

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Embodiment Construction

[0051] In the following description of working embodiments of the present invention, the same or similar components and elements are denoted by the same or similar reference numerals, and repeated descriptions of these components or elements in individual cases are omitted. The above figures describe the subject matter of the invention purely schematically.

[0052] figure 1 Flowchart showing a proposed method for storing electrical energy.

[0053] figure 1 A power-methane conversion unit 90 and a methane-energy conversion unit 92 are shown schematically. The energy-methane conversion plant 90 takes electrical energy from the energy grid 10 when there is a surplus of electrical energy from renewable energy sources. The renewable energy source may notably be wind energy 12 or solar energy 14, but may also originate from other sources 16, such as hydroelectric energy.

[0054] In the energy-methane conversion unit 90, the water H 2 O decomposes into hydrogen H 2 and oxyge...

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Abstract

The present invention relates to a method for storing electrical energy comprising the steps of: a) using electrical energy to generate methane from water and soot, b) storing said methane, c) decomposing said methane into hydrogen and soot, and converting the The hydrogen is used to generate energy, or by converting the methane into soot and water in a cyclic bromination-oxidation process, wherein the bromine in the decomposition of the methane in step c) or in the cycle is collected said soot formed in the chemical-oxidation process, and said soot is used again by said method for generating methane in step a), so that a closed carbon loop is formed, and a system comprising an energy-methane conversion device, Where electrical energy is converted to methane together with soot and water, and a methane-energy conversion unit where methane is converted to hydrogen as soot is removed.

Description

technical field [0001] The invention relates to a method for storing electrical energy by converting it into methane gas. The invention also relates to a system for storing electrical energy. Background technique [0002] Renewable energy sources such as photovoltaic power or wind power make it possible to generate energy, especially electricity, without emitting climate-damaging gases such as carbon dioxide (CO 2 ), the gas is emitted. On the other hand, when using fossil energy carriers, such as oil, coal or natural gas, large amounts of harmful CO are emitted 2 . However, wind and sun are not always available naturally. Solar radiation is only available during daylight hours. Additionally, the availability of solar and wind energy depends on weather conditions and the time of year. Consequently, consumption or energy demand is rarely matched by energy produced from renewable sources. According to the planned dates, conventional power stations are therefore reserved...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/24H02J15/00C25B1/04
CPCC01B3/24C25B1/04C01B2203/0272C01B2203/0861C01B2203/1241C25B15/08Y02P20/133Y02E20/14Y02P20/129Y02P90/50Y02E60/32Y02E60/36Y02E60/50H02J15/008Y02E70/30C01B3/0021C07C1/00F01D15/10F01K17/06F02C3/20F02C6/18F05D2220/32F05D2220/72F05D2220/76F05D2240/35H01M8/02H01M8/0656
Inventor 马雷克·富尔德
Owner FLD TECHNOLOGIES GMBH