JP2020514538A - Soec/sofc型固体酸化物を有するスタックの高温における気密な結合のためのシステム - Google Patents
Soec/sofc型固体酸化物を有するスタックの高温における気密な結合のためのシステム Download PDFInfo
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- 238000009499 grossing Methods 0.000 claims description 5
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- 239000007789 gas Substances 0.000 description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 20
- 238000005868 electrolysis reaction Methods 0.000 description 20
- 239000003792 electrolyte Substances 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000000446 fuel Substances 0.000 description 15
- 239000001257 hydrogen Substances 0.000 description 15
- 229910052739 hydrogen Inorganic materials 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 238000005304 joining Methods 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 239000012159 carrier gas Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 238000010494 dissociation reaction Methods 0.000 description 4
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- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 3
- 239000011532 electronic conductor Substances 0.000 description 3
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- 239000011295 pitch Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
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- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 230000001590 oxidative effect Effects 0.000 description 2
- -1 oxygen ions Chemical class 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
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- 229910052804 chromium Inorganic materials 0.000 description 1
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- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910001119 inconels 625 Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 238000000638 solvent extraction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/248—Means for compression of the fuel cell stacks
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- C—CHEMISTRY; METALLURGY
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- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
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- C25B9/70—Assemblies comprising two or more cells
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- C25B9/75—Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
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Abstract
Description
2H2O → 2H2 + O2
に従って水蒸気を水素および酸素に変換することである。
2H2O + 4e− → 2H2 + 2O2−
2O2− → O2 + 4e−
−ガス入口/出口管に取り付けられることを意図される、ねじ型コネクタと言われる、その外側表面において少なくとも部分的にねじ型である中空コネクタ(ねじ型コネクタはガス入口/出口管との流体連通を確立するための開口部を含む)、
−SOEC/SOFC型固体酸化物を有するスタックのガス入口/出口管に取り付けられることを意図される、平滑コネクタと言われる、少なくとも部分的に平滑である外側表面を有する中空コネクタ(平滑コネクタは、スタックのガス入口/出口管との流体連通を確立するための開口部を含み、平滑コネクタおよびねじ型コネクタは、互いとの流体連通を確立するための開口部をそれぞれが含む)、
−ねじ型コネクタと係合してボルト/ナットシステムを形成でき、かつ平滑コネクタに対して摺動可能なねじ型ナット(ねじ型ナットは、その内側表面におけるねじ型コネクタのねじ筋と係合する第1のねじ型部分と、その平滑な外側表面における平滑コネクタと摺動接触する第2の平滑部分とを含む)、
を含むことを特徴とする。
−高温において動作するSOEC/SOFC型固体酸化物を有するスタック、
−ガスの供給および放出のためのスタックが結合される炉、
−スタックを炉と結合するための本明細書において上で定められている結合システム、
を含むことを特徴とする。
Claims (15)
- SOEC/SOFC型固体酸化物を有するスタック(20)の高温における気密な結合のためのシステム(30)であって、
−ガス入口/出口管(12)に取り付けられることを意図され、ねじ型コネクタと言われ、その外側表面において少なくとも部分的にねじ型(F1)である中空コネクタ(31)であって、前記ガス入口/出口管(12)との流体連通を確立するための開口部(41)を含む前記ねじ型コネクタ(31)、
−SOEC/SOFC型固体酸化物を有する前記スタック(20)のガス入口/出口管(52)に取り付けられることを意図され、平滑コネクタと言われ、少なくとも部分的に平滑である外側表面(L3)を有する、中空コネクタ(33)であって、前記スタック(20)の前記ガス入口/出口管(52)との流体連通を確立するための開口部(43)を含み、前記平滑コネクタ(33)および前記ねじ型コネクタ(31)は互いとの流体連通を確立するための開口部(44、45)をそれぞれが含む、前記平滑コネクタ(33)、
−前記ねじ型コネクタ(31)と係合してボルト/ナットシステムを形成でき、かつ前記平滑コネクタ(33)に対して摺動可能なねじ型ナット(32)であって、その内側表面における前記ねじ型コネクタ(31)の前記ねじ筋(F1)と係合する第1のねじ型部分(S1)と、前記その平滑な外側表面(L3)における前記平滑コネクタ(33)と摺動接触する第2の平滑部分(S2)とを含む前記ねじ型ナット(32)、
を含むことを特徴とする、
SOEC/SOFC型固体酸化物を有するスタック(20)の高温における気密な結合のためのシステム(30)。 - 前記平滑コネクタ(33)が、前記その平滑な外側表面(L3)に対して張り出したリム部(63)を含み、前記ねじ型ナット(32)が、前記その第1のねじ型部分(S1)に対して張り出しかつ前記第2の平滑部分(S2)を含むリム部(62)を含み、前記平滑コネクタ(33)の前記リム部(63)および前記ねじ型ナット(32)の前記リム部(62)が互いと接触し、前記平滑コネクタ(33)に対する前記ねじ型ナット(32)の前記摺動を止めることができることとを特徴とする、
請求項1に記載のシステム。 - 前記平滑コネクタ(33)の前記リム部(63)と前記ねじ型ナット(32)の前記リム部(62)との間に設置されたガスケット(J2)、特にマイカガスケットを含むことを特徴とする、
請求項2に記載のシステム。 - 前記平滑コネクタ(33)、前記ねじ型ナット(32)、および前記ねじ型コネクタ(31)が特にインコネル600型のニッケル基超合金から作られ、および/または特に316Lステンレス鋼型のオーステナイト系ステンレス鋼から作られることを特徴とする、
請求項1〜3のいずれか1項に記載のシステム。 - 前記平滑コネクタ(33)が、SOEC/SOFC型固体酸化物を有する前記スタック(20)のガス入口/出口管(52)へのその取り付けのための中ぐり(73)を含み、前記ねじ型コネクタ(31)が、ガス入口/出口管(12)へのその取り付けのための中ぐり(71)を含むことを特徴とする、
請求項1〜4のいずれか1項に記載のシステム。 - 前記ねじ型コネクタ(31)と前記平滑コネクタ(33)との間に設置されたガスケット(J1)、特にマイカガスケットを含むことを特徴とする、
請求項1〜5のいずれか1項に記載のシステム。 - 前記ねじ型ナット(32)の呼び直径がM20からM30の範囲であることを特徴とする、
請求項1〜6のいずれか1項に記載のシステム。 - 前記ねじ型コネクタ(31)が15から30mmの範囲の高さ(H1)を有し、かつ20から30mmの範囲の直径(D1)を有することを特徴とする、
請求項1〜7のいずれか1項に記載のシステム。 - 前記平滑コネクタ(33)が45から70mmの範囲の高さ(H3)を有し、かつ30mmという最大直径(D3)を有することを特徴とする、
請求項1〜8のいずれか1項に記載のシステム。 - 前記ねじ型ナット(32)の前記第1のねじ型部分(S1)および/または前記ねじ型コネクタ(31)の前記ねじ筋(F1)が、高温に耐えることが可能なアンチシーズ剤によってコーティングされることを特徴とする、
請求項1〜9のいずれか1項に記載のシステム。 - −高温において動作するSOEC/SOFC型固体酸化物を有するスタック(20)、
−前記ガスの供給および放出のための前記スタック(20)が結合される炉(10)、
−前記スタック(20)を前記炉(10)と結合するための、請求項1〜10のいずれか1項に記載の結合システム(30)、
を含むことを特徴とする、
接合体(70)。 - 前記ねじ型コネクタ(31)が前記炉(10)のガス入口/出口管(12)に特にTIG型溶接によって溶接されることを特徴とする、
請求項11に記載の接合体。 - 前記ねじ型コネクタ(31)が、炉の前記床(11)に取り付けられた支持プレート(40)に特にTIG型溶接および/またはアーク溶接によって溶接され、前記炉(10)の前記ガス入口/出口管(12)が前記支持プレート(40)を通り抜けることを特徴とする、
請求項11または12に記載の接合体。 - 前記平滑コネクタ(33)が、SOEC/SOFC型固体酸化物を有する前記スタック(20)のガス入口/出口管(52)に特にTIG型溶接によって溶接されることを特徴とする、
請求項11〜13のいずれか1項に記載の接合体。 - 前記平滑コネクタ(33)が、前記スタック(20)の下側終端プレート(25)に特にTIG型溶接および/またはアーク溶接によって溶接され、前記スタック(20)の前記ガス入口/出口管(52)が前記下側終端プレート(25)を通り抜けることを特徴とする、
請求項11〜14のいずれか1項に記載の接合体。
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FR1750009A FR3061495B1 (fr) | 2017-01-02 | 2017-01-02 | Systeme de couplage etanche a haute temperature d'un empilement a oxydes solides de type soec/sofc |
FR1750009 | 2017-01-02 | ||
PCT/FR2017/053849 WO2018122531A1 (fr) | 2017-01-02 | 2017-12-27 | Système de couplage étanche à haute température d'un empilement à oxydes solides de type soec/sofc |
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FR3073093B1 (fr) | 2017-10-26 | 2022-02-04 | Commissariat Energie Atomique | Ensemble d'un empilement a oxydes solides de type soec/sofc et d'un systeme de serrage avec systeme de surchauffe des gaz integre |
FR3075481B1 (fr) | 2017-12-19 | 2020-01-10 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Ensemble d'un empilement a oxydes solides de type soec/sofc, d'un systeme de serrage et d'un systeme de couplage etanche |
FR3094843B1 (fr) | 2019-04-02 | 2021-04-30 | Commissariat Energie Atomique | Ensemble d’un empilement à oxydes solides de type SOEC/SOFC et d’un système de serrage intégrant un système de distribution de gaz |
FR3100932B1 (fr) | 2019-09-18 | 2022-04-01 | Commissariat Energie Atomique | Ensemble d’un empilement à oxydes solides de type SOEC/SOFC et d’un système de couplage étanche à haute température |
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US20220190373A1 (en) * | 2020-12-14 | 2022-06-16 | Bloom Energy Corporation | Solid oxide electrolyzer cell including electrolysis-tolerant air-side electrode |
FR3123075B1 (fr) | 2021-05-20 | 2023-04-14 | Commissariat Energie Atomique | Ensemble d’un empilement à oxydes solides de type SOEC/SOFC et d’un système de couplage étanche à haute température avec bride de couplage |
FR3133947B1 (fr) * | 2022-03-22 | 2024-02-09 | Commissariat Energie Atomique | Système de conditionnement d’une pluralité de sous-empilements de cellules à oxydes solides de type SOEC/SOFC à haute température superposés |
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