CN109768301A - A kind of direct carbon solid oxide fuel cell group of micro-tubular based on soybean stalk derivatived fuel - Google Patents
A kind of direct carbon solid oxide fuel cell group of micro-tubular based on soybean stalk derivatived fuel Download PDFInfo
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- CN109768301A CN109768301A CN201910151244.2A CN201910151244A CN109768301A CN 109768301 A CN109768301 A CN 109768301A CN 201910151244 A CN201910151244 A CN 201910151244A CN 109768301 A CN109768301 A CN 109768301A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The invention discloses a kind of direct carbon solid oxide fuel cell groups of micro-tubular based on soybean stalk derivatived fuel, are made of micro-tubular solid oxide fuel cell monomer, soybean stalk derivatived fuel, reaction chamber, insulating layer, stainless (steel) wire, thermocouple and igniter.The present invention is on the basis of micro-tubular solid oxide fuel cell monomer, it is integrated to carry out single battery, make the direct carbon solid oxide fuel cell group of micro-tubular that there is the feature of single-chamber solid oxide fuel cell, but cathode and anode is without sealing, only do simple isolation, sealing cost has been saved, while having improved battery performance；The present invention has effectively achieved in the case where no external heat source, the heat generated using the burning of soybean stalk derivatived fuel high temperature from needed for maintaining battery work, ensure that the smooth starting and work of battery；The soybean stalk derivatived fuel that the present invention uses, it is to be obtained by carrying out simple carbonization to soybean stalk, cheap, rich reserves and energy density is big can directly burn and obtain thermal energy, it realizes cogeneration of heat and power, has many advantages, such as that environmentally protective, efficient energy conversion is high.
Description
Technical field
The present invention relates to the micro-tubular solid oxide fuel cell for directly using soybean stalk derivatived fuel, and in particular to
A kind of direct carbon solid oxide fuel cell group of micro-tubular based on soybean stalk derivatived fuel.
Background technique
The development and utilization of agriculture and forestry organic waste material are the themes that development is preferentially encouraged in China's scientific and technical development program, utilize agriculture
The research of woods waste exploitation novel biomaterial and narrow resources substitute is paid more and more attention.As economic high speed is sent out
Exhibition, the energy and resource provisioning growing tension, it has also become the outstanding problem of limitation Chinese society sustainable development.In order to protect the mankind
The natural environment depended on for existence, protects forest resources, it is necessary to and the potential value for sufficiently excavating agriculture and forestry organic waste material turns waste into wealth,
Develop diversification product.China is Soybean production, consumption and the maximum country of the export trade, after soybean stalk is soybean kernel-taking
Stalk, the yield of annual soybean stalk is up to 5,000,000 tons, but major part is taken as offal treatment, and potential value is complete
Ignore, causes the serious waste of resource.
The comprehensive utilization of soybean stalk resource belongs to typical low-carbon economy.With the development of related fields, adopt both at home and abroad
Multi-field research is carried out to soybean stalk comprehensive development and utilization with biotechnology and chemical technology, such as applied to fuel electricity
The efficient utilization of sustainable energy is realized in pond.Soybean stalk is used for the development and utilization of fuel cell, embodies agricultural production system
The Efficient Conversion of middle waste, is the important embodiment of circular agriculture and low-carbon economy, and takes natural, naturally benign with it
Circulation, has responded the call of national sustainable development.
Solid oxide fuel cell (SOFC) is a kind of electrochemical generating unit of high-efficiency cleaning, generally by conduction oxygen from
Son dense electrolyte and fuel and oxidant are made of the porous anode and cathode of electrocatalysis respectively, make with fuel
With range it is wide, easily promote and the advantages such as operating cost is low.Currently, hydrogen is SOFC using most common fuel, but hydrogen is one
Kind of secondary energy sources, cannot directly obtain from nature, at high cost, volume energy density is low, storage Transport Safety difference etc. is asked
Topic.But the above problem is not present in carbon fuel, is considered as the safety fuel that can substitute hydrogen, especially applies to
High-temperature fuel cell.Compared with hydrogen, the energy density of carbon is high, cheap, from a wealth of sources, and do not store and transport
Safety problem.Therefore, direct carbon solid oxide fuel cell (DC-SOFC) receives more and more attention.
The structure of DC-SOFC is very simple, core component be by with higher oxygen ionic conductivity ceramic electrolyte,
The SOFC that perovskite oxide cathode and cermet anode are constituted, carbon fuel are placed in anode chamber, by providing oxygen to cathode,
Oxygen molecule is transformed into oxonium ion O under the electrocatalysis of cathode2-, oxonium ion is transmitted to anode by electrolyte, and is diffused into
The CO reaction of anode generates CO2And provide electronics, i.e. electrochemical oxidation reactions
CO+O2-=CO2+2e-
These CO2It is diffused into carbon fuel surface, Boudouard occurs with it and reacts
CO2+C=2CO
The CO of generation is diffused into anode, generates electric current by electrochemical oxidation reactions.It recycles repeatedly, is achieved that electrochemistry
Mode consumes solid carbon fuel and the purpose that generates electricity.
DC-SOFC is in addition to having the advantages that SOFC, and that there are also dynamic processes is fast, fuel availability is high, structure of whole solid state etc.
Unique advantage has broad application prospects.Firstly, it is a kind of potential high effect cleaning coal and biomass generation, and
And its power generation process does not need water；Secondly, in DC-SOFC carbon fuel theoretical maximum capacity (8935 mAh g-1) it is typical
Carbon negative pole material theoretical capacity (372 mAh g in lithium ion battery-1) 24 times, it is expected to by DC-SOFC develop at a kind of high property
The battery of energy, low cost；Finally, the exploitation of DC-SOFC is expected to promote China's Rare-earth Industry, and new material is driven to produce
The formation and traditional ceramics upgrading of industries of industry.
Based on the above reasons, the present invention devises a kind of direct carbon solid oxygen of the micro-tubular based on soybean stalk derivatived fuel
Compound fuel cell unit.
Summary of the invention
It is an object of the invention to by rich reserves and the big soybean stalk of energy density and micro-tubular soild oxide fire
Material battery combines, and provides a kind of direct carbon solid oxide fuel cell of the micro-tubular based on soybean stalk derivatived fuel
Group.Using soybean stalk derivatived fuel burning fuel and high temperature from needed for maintaining battery pack work, cell power generation efficiency is improved
While realize biomass resource high-efficiency cleaning utilize, a kind of DC-SOFC power supply suitable for small application is provided.
Its technical solution is: the lower end of each micro-tubular solid oxide fuel cell monomer is embedded in 30 mesh stainless (steel) wires
In, upper end is embedded in 12 mesh stainless (steel) wires, and 30 mesh stainless (steel) wires are placed in the reaction chamber of bottom belt support ring, above reaction chamber
Soybean stalk derivatived fuel is added, is fallen on 30 mesh stainless (steel) wire of bottom by 12 mesh stainless (steel) wires, soybean stalk derivatived fuel
Middle part is equipped with thermocouple, and igniter is equipped with below reaction chamber, and outside is equipped with insulating layer.
Fuel needed for maintaining work is the carbon fuel by obtaining to soybean stalk progress simple process, cheap,
It is from a wealth of sources, energy density is high.Micro-tubular solid oxide fuel cell monomer is placed in soybean stalk derivatived fuel, reserves
It is not limited by battery cell internal diameter, is solely dependent upon the size of reaction chamber, therefore carbon fuel quantity can be improved to greatest extent, from
And improve battery parallel-adder settle-out time.Meanwhile fully utilizing the heat that carbon fuel combustion generates, battery pack work is provided
Required high temperature improves the generating efficiency of system, realizes from maintenance.It, can be by connecting at the top of device in normal battery operation
It is continuous that soybean stalk derivatived fuel is constantly added into reaction chamber, it fully ensures that fuel needed for battery, realizes the continuity of battery
Operation.
The beneficial effects of the present invention are: (1) present invention is by rich reserves and the big soybean stalk and micro-tubular of energy density
Solid oxide fuel cell stack combines, and utilizes soybean stalk derivatived fuel burning combustion from needed for maintaining battery pack work
Expect and high temperature, the high-efficiency cleaning utilization of realization biomass resource while improving cell power generation efficiency provide a kind of suitable for small
The DC-SOFC power supply of type application.(2) heat demand by the redundancy thermal energy supply of DC-SOFC and fuel gasification combines,
Realization guarantees that the smooth starting of battery and continuous sex work, the power generation for improving system are imitated from maintenance under conditions of no any heat source
Rate makes it possible that fuel cell enters average family.(3) there is the feature of single-chamber solid oxide fuel cell, but yin, yang
Pole is not required to seal, and only does simple isolation, save the cost.(4) reserves of soybean stalk derivatived fuel are not by micro-tubular solid oxidation
The limitation of object fuel cell unit internal diameter, is solely dependent upon the size of reaction chamber, and battery performance greatly improves.(5) energy needed for is complete
Portion is stored in soybean stalk derivatived fuel, only need to realize battery pack by be supplemented at the top of reaction chamber when fuel shortage
Continual and steady operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the integrated installation figure of micro-tubular solid oxide fuel cell monomer described in Fig. 1.
Fig. 3 is schematic diagram of internal structure of the present invention.
Specific embodiment
According to shown in Fig. 3, more micro-tubular solid oxide fuel cell monomers (3) are subjected to parallel connection simultaneously with filamentary silver (10)
Check its situation that insulate.
According to shown in Fig. 2, it is stainless that micro-tubular solid oxide fuel cell monomer (3) upper/lower terminal is respectively embedded into 12 mesh
In steel mesh (5) and 30 mesh stainless (steel) wires (4), and fixed with silver paste.By assembled micro-tubular solid oxide fuel electricity
Pond group is put into reaction chamber (2), and 30 mesh stainless (steel) wires (4) are placed in the support ring (9) of reaction chamber (2) bottom.Side on the battery pack
It adds soybean stalk derivatived fuel (6), is fallen into reaction chamber (2) by 12 mesh stainless (steel) wires (5), reaction chamber (2) bottom is not by
Rust steel mesh (4) support, it is ensured that on the outside of soybean stalk derivatived fuel (6) and micro-tubular solid oxide fuel cell monomer (3)
It is in close contact, and covers one layer of heat preservation cotton above reaction chamber (2).Using igniter (8) from reaction chamber (2) bottom priming, protect
Demonstrate,prove soybean stalk derivatived fuel (6) can normal combustion, using thermocouple (7) measure reaction chamber (2) internal temperature.
By the ventilative degree of heat-preservation cotton above temperature adjustment reaction chamber (2), increase guarantor if temperature is lower than 800 °C
Warm cotton dosage reduces heat-preservation cotton dosage if temperature is higher than 900 °C, guarantees that system can in the case where no external heat source
From maintenance operating temperature.
When the open-circuit voltage of battery pack reaches predetermined value and after a period of stabilisation, access load makes direct carbon micro-tubular
Solid oxide fuel cell stack is started to work.Consumption degree according to soybean stalk derivatived fuel (6) in reaction chamber (2) is in due course
Supplement, guarantees the continual and steady operation of battery pack.
Claims (6)
1. a kind of direct carbon solid oxide fuel cell group of micro-tubular based on soybean stalk derivatived fuel, which is characterized in that
The battery pack includes insulating layer (1), reaction chamber (2), micro-tubular solid oxide fuel cell monomer (3), 30 mesh stainless (steel) wires
(4), 12 mesh stainless (steel) wire (5), soybean stalk derivatived fuel (6), thermocouple (7), igniter (8), support ring (9), filamentary silver
(10)；Insulating layer (1) is made of using ceramic cotton material, reaction chamber (2) high temperature resistant quartz ampoule, and igniter (8) is commonly to beat
Lighter or match.
2. a kind of micro-tubular solid oxide fuel cell based on soybean stalk derivatived fuel according to claim 1
Group, which is characterized in that You Duogen micro-tubular solid oxide fuel cell monomer (3) composition, each battery cell are all made of electricity
Matter support is solved, anode is on the outside of pipe, and cathode is on the inside of pipe, and by the connection of stainless (steel) wire, it is solid that assembling obtains the direct carbon of micro-tubular
Oxide body fuel cell unit.
3. a kind of micro-tubular solid oxide fuel cell based on soybean stalk derivatived fuel according to claim 1
Group, which is characterized in that the lower end of each micro-tubular solid oxide fuel cell monomer (3) is embedded in 30 mesh stainless (steel) wires (4),
Upper end is embedded in 12 mesh stainless (steel) wires (5), and 30 mesh stainless (steel) wires (4) are placed in the reaction chamber (2) of bottom belt support ring (9),
Soybean stalk derivatived fuel (6) are added above reaction chamber (2), 30 mesh for dropping into bottom by 12 mesh stainless (steel) wires (5) are stainless
On steel mesh (4), thermocouple (7) are installed in the middle part of soybean stalk derivatived fuel (6), igniter is equipped with below reaction chamber (2)
(8), external to be equipped with insulating layer (1).
4. a kind of micro-tubular solid oxide fuel cell based on soybean stalk derivatived fuel according to claim 1
Group, which is characterized in that micro-tubular solid oxide fuel cell monomer (3) is placed in soybean stalk derivatived fuel (6), makes soybean
The reserves of stalk derivatived fuel (6) are not limited by micro-tubular solid oxide fuel cell monomer (3) internal diameter, are solely dependent upon anti-
The heat that soybean stalk derivatived fuel (6) burning generates is fully utilized dimension by insulating layer (1) by the size for answering room (2)
High temperature needed for holding battery work, realizes cogeneration of heat and power.
5. a kind of micro-tubular solid oxide fuel cell based on soybean stalk derivatived fuel according to claim 1
Group, which is characterized in that the soybean stalk derivatived fuel (6) is obtained by carrying out simple process to biomass, and energy is close
Height, rich reserves, cheap is spent, the agricultural waste utilization policy that country advocates is met.
6. a kind of micro-tubular solid oxide fuel cell based on soybean stalk derivatived fuel according to claim 1
Group, which is characterized in that in normal battery operation, can continuously be added into reaction chamber (2) by the top of battery pack
Add soybean stalk derivatived fuel (6), fully ensure that fuel needed for battery, realizes the continuity run of battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151244.2A CN109768301A (en) | 2019-02-28 | 2019-02-28 | A kind of direct carbon solid oxide fuel cell group of micro-tubular based on soybean stalk derivatived fuel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910151244.2A CN109768301A (en) | 2019-02-28 | 2019-02-28 | A kind of direct carbon solid oxide fuel cell group of micro-tubular based on soybean stalk derivatived fuel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904491A (en) * | 2019-02-28 | 2019-06-18 | 山东理工大学 | A kind of direct carbon solid oxide fuel cell group of micro-tubular based on Pepper stalk derivatived fuel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126777A (en) * | 2015-07-11 | 2015-12-09 | 全椒盛源生物质能源有限公司 | Method of producing biochar from soybean straw |
| CN107681179A (en) * | 2017-10-30 | 2018-02-09 | 山东理工大学 | It is a kind of to maintain the direct carbon micro-pipe solid oxide fuel cell stack of formula certainly |
-
2019
- 2019-02-28 CN CN201910151244.2A patent/CN109768301A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126777A (en) * | 2015-07-11 | 2015-12-09 | 全椒盛源生物质能源有限公司 | Method of producing biochar from soybean straw |
| CN107681179A (en) * | 2017-10-30 | 2018-02-09 | 山东理工大学 | It is a kind of to maintain the direct carbon micro-pipe solid oxide fuel cell stack of formula certainly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904491A (en) * | 2019-02-28 | 2019-06-18 | 山东理工大学 | A kind of direct carbon solid oxide fuel cell group of micro-tubular based on Pepper stalk derivatived fuel |
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Application publication date: 20190517 |