JPS62256382A - Redox cell - Google Patents
Redox cellInfo
- Publication number
- JPS62256382A JPS62256382A JP61097987A JP9798786A JPS62256382A JP S62256382 A JPS62256382 A JP S62256382A JP 61097987 A JP61097987 A JP 61097987A JP 9798786 A JP9798786 A JP 9798786A JP S62256382 A JPS62256382 A JP S62256382A
- Authority
- JP
- Japan
- Prior art keywords
- microorganism
- positive electrolyte
- reaction
- reduction
- microorganisms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 244000005700 microbiome Species 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 239000003792 electrolyte Substances 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 8
- 239000002207 metabolite Substances 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 230000000644 propagated effect Effects 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 12
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 3
- 229910001430 chromium ion Inorganic materials 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- -1 iron ions Chemical class 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000002062 proliferating effect Effects 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000005515 coenzyme Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/20—Indirect fuel cells, e.g. fuel cells with redox couple being irreversible
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/16—Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
-
- 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
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はレドックス電池さらに詳しくは微生物を利用し
たレドックス電池に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a redox battery, and more particularly to a redox battery using microorganisms.
タンクに貯蔵したレドックス溶液を流通形電解セルに供
給して充放電させる方式の電池はレドックス電池と称さ
れる。レドックス電池の原理を第2図により説明する。A battery that charges and discharges a redox solution stored in a tank by supplying it to a flow-through electrolytic cell is called a redox battery. The principle of a redox battery will be explained with reference to FIG.
レドックス溶液は、鉄イオンやクロ、ムイオンのように
、原子価数の変化するイオンを活物質として含む溶液で
あって、流通形電解槽5の隔膜15により隔てられた正
極6側に供給される正極液と、48!妬ワ41111
f砒給食hス偵服府とより成り、その組合せは、それぞ
れの液を構成する活物質の溶解度、標準電極電位等によ
って選定される。The redox solution is a solution containing as an active material ions whose valence number changes, such as iron ions, chromium ions, and chromium ions, and is supplied to the positive electrode 6 side separated by the diaphragm 15 of the flow-through electrolytic cell 5. Positive electrode liquid and 48! Jealousy 41111
The combination is selected depending on the solubility of the active material constituting each liquid, standard electrode potential, etc.
正極液にFeイオン、負極液にCrイオンを用いる場合
の電解槽内の酸化還元反応は次のように表わされる。The oxidation-reduction reaction in the electrolytic cell when Fe ions are used in the positive electrode solution and Cr ions are used in the negative electrode solution is expressed as follows.
、 3−1− 2+正極側、Fe
−)−e Fe (ll負極
側:Cr2+==ゴCr” −1−e (2
)3+2+−ム 2+
全反応 Fe 十Cr Fe 十〇r”
18Jすなわち、鉄イオンとクロムイオンとを直接反応
させることなく、その電子の授受を外部回路を介して行
わせ、反応エネルギーを電気エネルギーに変換するもの
である。上記反応において右側に進行する場合が放電で
あり、放電の能力が下れば、左gllIK進行する反応
により再生する。この再生は、電気的に行うことすなわ
ち充電によってもよいし、また例えば空気および気体燃
料によって正極液を酸化し負極液を還元すわばよいこと
も明らかであり、レドックス電池が電気的に充電可能な
再生形燃料電池に分類される所以である。, 3-1- 2+ positive electrode side, Fe
−)−e Fe (ll Negative electrode side: Cr2+==Go Cr” −1−e (2
)3+2+-mu 2+ Total reaction Fe 10Cr Fe 10r”
18J, in other words, does not directly react iron ions and chromium ions, but exchanges electrons through an external circuit to convert reaction energy into electrical energy. In the above reaction, when the reaction progresses to the right, it is discharge, and if the discharge capacity decreases, it is regenerated by a reaction that progresses to the left. It is clear that this regeneration can be carried out electrically, that is, by charging, or by oxidizing the positive electrolyte and reducing the negative electrolyte, for example, with air and gaseous fuel. This is why it is classified as a regenerative fuel cell.
本発明の目的は、電力を用いることなく正極液の再生を
行い、同時に微生物およびまたは微生物の代謝産物も産
生できるレドックス電池を提供することにある。An object of the present invention is to provide a redox battery that can regenerate a catholyte without using electricity and simultaneously produce microorganisms and/or metabolites of the microorganisms.
本発明は、正極液の再生に微生物を用いてなる正極液に
鉄溶液を用いるレドックス電池である。The present invention is a redox battery that uses microorganisms to regenerate the catholyte and uses an iron solution as the catholyte.
本発明の正極液には例えば硫酸鉄、塩化鉄のように溶液
中で容易にイオン化する鉄化合物が用いられその活物質
である二価鉄(Fe”)の三価鉄(Fe3+)への酸化
・再生に使用する微生物は、例えば公知のつぎのバクテ
リアを挙げることができる。The positive electrode solution of the present invention uses an iron compound that easily ionizes in solution, such as iron sulfate or iron chloride, and the active material, divalent iron (Fe''), is oxidized to trivalent iron (Fe3+). - Examples of microorganisms used for regeneration include the following known bacteria.
5ulfolobus 属のうち鉄を酸化するものこ
れらは何れも好酸性の鉄酸化微生物であって、これらの
微生物単独またはこれらの二種以上を共存させてもよく
、またこれら微生物(細菌)の酸化能力や物質生産能力
の優れた変異株も用いられ、この変異株は天然に見出さ
れるもののほか人工的手法例えば紫外線照射や遺伝子の
導入・組み替えなどで作られたものであってもよい。ま
たこれら細菌は純粋系であっても他の微生物との共存系
であってもよい。All of the genus Ulfolobus that oxidize iron are acidophilic iron-oxidizing microorganisms, and these microorganisms may be used singly or in combination of two or more, and the oxidizing ability of these microorganisms (bacteria) and Mutant strains with superior substance-producing ability are also used, and these mutant strains may be those found naturally or those created by artificial methods such as ultraviolet irradiation, gene introduction, and recombination. Furthermore, these bacteria may be in a pure system or in a coexisting system with other microorganisms.
微生物による再生反応は、回分反応でも連続反応でもよ
く、微生物は、系内に分散させても、担体に固定して用
いてもよい。微生物を担体に固定すると特に連続系にお
ける微生物のリサイクルや回収が容易である。担体には
活性炭や無機酸化物および有機物などが利用できる。上
記再生反応には、公知の微生物の栄養源のほか例えば硫
酸銅などの微量栄養素を加えることにより微生物の増殖
や代謝産物の産生を促進し、反応速度を高めることがで
きる。The regeneration reaction by microorganisms may be a batch reaction or a continuous reaction, and the microorganisms may be used either dispersed within the system or fixed on a carrier. Immobilizing microorganisms on a carrier facilitates recycling and recovery of the microorganisms, especially in continuous systems. Activated carbon, inorganic oxides, organic substances, and the like can be used as the carrier. In addition to known nutritional sources for microorganisms, micronutrients such as copper sulfate can be added to the regeneration reaction to promote the growth of microorganisms and the production of metabolites, thereby increasing the reaction rate.
第1図に本発明のレドックス電池の一例を示す。FIG. 1 shows an example of a redox battery of the present invention.
第1図において負極液側の装置については基本的に前述
の第2図と変らないのであるが、第2図における負極液
貯槽14め代わりに再生のための槽9を示した。槽9に
おいては例えば水素ガス、都市ガス等の還元性ガス12
を含むガスによる還元。In FIG. 1, the apparatus on the negative electrode liquid side is basically the same as in FIG. 2 described above, but a tank 9 for regeneration is shown instead of the negative electrode liquid storage tank 14 in FIG. In the tank 9, a reducing gas 12 such as hydrogen gas, city gas, etc.
Reduction by gas containing.
光触媒による光化学的還元または生物反応による還元が
行われる。正極液の再生には、本発明の微生物による正
極液再生用バイオリアクター8により行われる。バイオ
リアクターには空気16が導入され正極液の反応はFe
”+→Fe3+であって、加えられた微生物lOは酸化
反応によるエネルギーを用いて空気中の炭酸ガスを炭素
源として増殖し、公知の適当な分離装置によって分離さ
れ、再生された正極液はポンプ】6を経て流通形電解槽
5に戻され、増殖微生物およびまたは代謝産物11はリ
アクターより取出される。放電時における電解槽中の反
応は前述した通りである。Photochemical reduction using a photocatalyst or reduction via a biological reaction is performed. The regeneration of the positive electrode liquid is carried out using the bioreactor 8 for regenerating positive electrode liquid using microorganisms of the present invention. Air 16 is introduced into the bioreactor, and the reaction of the catholyte is caused by Fe.
"+→Fe3+, the added microorganism 1O uses the energy from the oxidation reaction to proliferate using carbon dioxide gas in the air as a carbon source, and is separated by a known appropriate separation device, and the regenerated catholyte is pumped. 6 and returned to the flow-through electrolytic cell 5, and the proliferating microorganisms and/or metabolites 11 are taken out from the reactor.The reactions in the electrolytic cell during discharge are as described above.
正極液の微生物による回分再生試験を以下の条件で行っ
た。A batch regeneration test using microorganisms of the positive electrode solution was conducted under the following conditions.
正極液組成 Fe+3・・・O
Fe+2・・・0.2モル(硫酸第一鉄)P )]
・・・1.5(硫酸酸性)使用バクテリアT、 fer
roxidana、液中初濃度約I×1 Q cel
ls / m/、上記のバクテリア含有液に栄養源とし
てに2l−IrO20,1t / / 、 (Nl−
14)2804 0.1 t/lを加え25°C常圧下
で空気を吹込みながら攪拌し、ラグタイムをのぞいた1
5時間後に液を分析して次の値を得た。Positive electrode liquid composition Fe+3...O Fe+2...0.2 mol (ferrous sulfate) P)]
...1.5 (acidic sulfuric acid) Bacteria T, fer
roxidana, initial concentration in liquid approximately I×1 Q cel
ls/m/, 2l-IrO20,1t//, (Nl-
14) Add 0.1 t/l of 2804 and stir at 25°C under normal pressure, excluding lag time.
After 5 hours, the liquid was analyzed and the following values were obtained.
Fe+3 ・・・0.2モル
Fe” ・・・Oモル
バクテリアの液中濃度 5〜(3×l Q cells
/m/以上の試験により再生された液が得た理論的な電
気量は1時間当り溶液1/当り0.018フアラデーで
あり、産生されたバクテリアは1時間当り溶液1/当り
3〜4 X I Q cellsと計算される。Fe+3...0.2 mol Fe"...O mol bacteria concentration in liquid 5~(3×l Q cells
The theoretical amount of electricity obtained by the regenerated solution by testing over /m/ is 0.018 Faradays per solution per hour, and the bacteria produced is 3 to 4 X per solution per hour. It is calculated as I Q cells.
以上詳細に述べたように、本発明のレドックス電池は、
電力の生産と併せて細菌細胞ひいてはそのあらゆる構成
成分である核酸、酵素、蛋白質。As described in detail above, the redox battery of the present invention is
Nucleic acids, enzymes, and proteins, which are the constituents of bacterial cells and all of their components, as well as the production of electricity.
補酵素、脂質、糖類などの生体物質あるいは代謝産物の
生産が可能である。It is possible to produce biological substances or metabolites such as coenzymes, lipids, and sugars.
第1図は本発明の一例を示す図であり、第2図は従来の
レドックス電池の説明図である。
5・・・流通形電解槽、 6・・・正極、7・・・負
極、 8・・・バイオリアクター、9・・・
槽、 ]0・・・微生物、11・・・増殖微
生物、 12・・・還元性ガス、13・・・正極液貯
槽、 ]4・・・負極液貯槽、15・・・隔膜、
16・・・ポンプ、17・・・空気。FIG. 1 is a diagram showing an example of the present invention, and FIG. 2 is an explanatory diagram of a conventional redox battery. 5... Flow-through electrolytic cell, 6... Positive electrode, 7... Negative electrode, 8... Bioreactor, 9...
Tank, ]0...Microorganism, 11...Proliferating microorganism, 12...Reducing gas, 13...Positive electrode liquid storage tank, ]4...Negative electrode liquid storage tank, 15...Diaphragm,
16...pump, 17...air.
Claims (1)
いるレドックス電池。A redox battery that uses microorganisms to regenerate the catholyte and uses an iron solution for the catholyte.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61097987A JPS62256382A (en) | 1986-04-30 | 1986-04-30 | Redox cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61097987A JPS62256382A (en) | 1986-04-30 | 1986-04-30 | Redox cell |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62256382A true JPS62256382A (en) | 1987-11-09 |
Family
ID=14207019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61097987A Pending JPS62256382A (en) | 1986-04-30 | 1986-04-30 | Redox cell |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62256382A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005001981A3 (en) * | 2003-06-27 | 2006-03-30 | Univ Western Ontario | Biofuel cell |
WO2007073598A1 (en) * | 2005-12-27 | 2007-07-05 | The University Of Western Ontario | Fuel cell bioreactor |
JP2009530784A (en) * | 2006-03-24 | 2009-08-27 | エイカル エナジー リミテッド | Fuel cell |
WO2011014953A1 (en) * | 2009-08-07 | 2011-02-10 | The University Of Western Ontario | Bio-fuel cell system |
WO2014208322A1 (en) * | 2013-06-28 | 2014-12-31 | 日新電機 株式会社 | Redox flow battery |
-
1986
- 1986-04-30 JP JP61097987A patent/JPS62256382A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005001981A3 (en) * | 2003-06-27 | 2006-03-30 | Univ Western Ontario | Biofuel cell |
JP2007505442A (en) * | 2003-06-27 | 2007-03-08 | ザ ユニバーシティ オブ ウエスタン オンタリオ | Biofuel cell |
US7572546B2 (en) | 2003-06-27 | 2009-08-11 | The University Of Western Ontario | Biofuel cell |
US7687161B2 (en) | 2003-06-27 | 2010-03-30 | The University Of Western Ontario | Method for generating electricity |
US8455144B2 (en) | 2003-06-27 | 2013-06-04 | The University Of Western Ontario | Bio-fuel cell system |
WO2007073598A1 (en) * | 2005-12-27 | 2007-07-05 | The University Of Western Ontario | Fuel cell bioreactor |
US8450015B2 (en) | 2005-12-27 | 2013-05-28 | The University Of Western Ontario | Fuel cell bioreactor |
JP2009530784A (en) * | 2006-03-24 | 2009-08-27 | エイカル エナジー リミテッド | Fuel cell |
WO2011014953A1 (en) * | 2009-08-07 | 2011-02-10 | The University Of Western Ontario | Bio-fuel cell system |
WO2014208322A1 (en) * | 2013-06-28 | 2014-12-31 | 日新電機 株式会社 | Redox flow battery |
JP6028862B2 (en) * | 2013-06-28 | 2016-11-24 | 日新電機株式会社 | Redox flow battery |
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