Generating and energy storage integrated device based on direct carbon fuel cells (DCFCs) with liquid metal positive electrode

A technology of fuel cells and liquid metals, which is applied to fuel cell parts, fuel cells, fuel cell additives, etc., can solve the problems of poor electrochemical reaction conditions, low carbon fuel reaction rate, low battery performance, etc., to meet the requirements of The effect of peak shaving demand and guaranteed power supply

Active Publication Date: 2014-08-06
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problems existing in current carbon fuel cells such as inability to continuously feed materials, low reaction rate of carbon fuel, poor electrochemical reaction conditions, and low battery performance, and proposes an integrated power generation and energy

Method used

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  • Generating and energy storage integrated device based on direct carbon fuel cells (DCFCs) with liquid metal positive electrode
  • Generating and energy storage integrated device based on direct carbon fuel cells (DCFCs) with liquid metal positive electrode
  • Generating and energy storage integrated device based on direct carbon fuel cells (DCFCs) with liquid metal positive electrode

Examples

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Embodiment 1

[0040] As attached figure 2 As shown, an integrated device for power generation and energy storage based on a liquid metal anode direct carbon fuel cell, the device includes a fluidized air distribution and feed system composed of a feed blower 1, a material lock hopper 2, a feed pipe 3, and a tube type Solid oxide fuel cell unit 6, metal bath casing 7, liquid metal anode 9 and other components. In the actual application process, in order to meet the requirements of large-scale equipment for feed volume, air volume and corresponding uniformity requirements, multiple sets of fluidized air distribution feed systems can be arranged at appropriate positions of the equipment, (the picture shows 3 sets ), the specific quantity and arrangement position need to be finally determined by comprehensively considering the uniformity of air distribution and feeding, system reliability and other issues. Among them, the blind-tube solid oxide fuel cell unit 6 is vertically inserted into the m...

Embodiment 2

[0042] As attached image 3 , 4 As shown, an integrated device for power generation and energy storage based on a liquid metal anode direct carbon fuel cell, the device includes a fluidized air distribution and feed system composed of a feed blower 1, a material lock hopper 2, a feed pipe 3, and a tube type Solid oxide fuel cell unit 6, metal bath casing 7, liquid metal anode 9 and other components. Among them, the blind-tube solid oxide fuel cell unit 6 is horizontally inserted into the metal molten pool from the side of the metal molten pool shell 7 and fixed, the open end is located outside the metal molten pool, and the closed end is located inside the metal molten pool; The solid oxide fuel cell monomers 6 can be arranged in arrays, and the gas flow direction in each tube is the same.

Embodiment 3

[0044] As attached Figure 5 As shown, an integrated device for power generation and energy storage based on a liquid metal anode direct carbon fuel cell, the device includes a fluidized air distribution and feed system composed of a feed blower 1, a material lock hopper 2, a feed pipe 3, and a tube type Solid oxide fuel cell unit 6, metal bath casing 7, liquid metal anode 9 and other components. Among them, the through-tube type solid oxide fuel cell unit 6 is horizontally inserted into the metal bath from the side of the metal bath casing 7 and fixed, and the open ends on both sides are located outside the metal bath; multiple through-tube type solid oxide fuel cells The monomers 6 can be arranged in arrays and stacked, and the gas flow direction in adjacent tubes is the same.

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Abstract

The invention belongs to the field of fuel cells, and particularly relates to a generating and energy storage integrated device based on direct carbon fuel cells (DCFCs) with a liquid metal positive electrode. The generating and energy storage integrated device comprises a metal molten pool, the liquid metal positive electrode, the tubular solid oxide direct carbon fuel cells (SO-DCFCs) and a fluidization air distributing feeding system, wherein the tubular SO-DCFCs can be blind pipes and through pipes and can be inserted into the metal molten pool vertically or horizontally; the feeding system carries a fuel and a positive electrode material into the metal molten pool by virtue of carrier gas, and substances in the molten pool are stirred. The generating and energy storage integrated device provided by the invention has the advantages that chemical energy in the fuel and surplus electric energy in an power grid are changed into chemical energy in the liquid metal positive electrode to be stored, and the integration of a generating device and an energy storage device is realized; the integrated device is simple and compact, the reactivity of the carbon fuel and the metal positive electrode is high, the property of the cell is good, the friction of the cell caused by liquid state positive electrode fluidization is small, the service life of the cell is long, the seal is easy, the collection is convenient, and a large-scale electric pile is convenient to form.

Description

Technical field [0001] The invention belongs to the field of fuel cells, and in particular relates to an integrated device for power generation and energy storage based on a liquid metal anode direct carbon fuel cell. Background technique [0002] A fuel cell is a power generation device that directly converts the chemical energy in the fuel into electrical energy. Solid oxide direct carbon fuel cell (Solid Oxide Direct Carbon Fuel Cell, SO-DCFC) is a type of fuel cell. It uses structured solid oxide ceramics as the electrolyte to directly transfer the chemical energy of solid carbon fuel through electrochemical reactions. , Continuously converted into electric energy, with high efficiency, CO 2 The outstanding advantages of easy separation, wide fuel sources, stable electrolyte structure, and low fuel processing requirements will help relieve the shortage of oil and gas resources in my country and reduce CO 2 Dealing with energy consumption and ensuring national energy security ...

Claims

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Application Information

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IPC IPC(8): H01M8/02H01M8/04H01M8/00H01M8/04082
CPCY02E60/50H01M4/8621H01M8/04186H01M8/04201
Inventor 史翊翔曹天宇蔡宁生王洪建
Owner TSINGHUA UNIV
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