JP5860382B2 - 燃料電池モジュール - Google Patents
燃料電池モジュール Download PDFInfo
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- JP5860382B2 JP5860382B2 JP2012245365A JP2012245365A JP5860382B2 JP 5860382 B2 JP5860382 B2 JP 5860382B2 JP 2012245365 A JP2012245365 A JP 2012245365A JP 2012245365 A JP2012245365 A JP 2012245365A JP 5860382 B2 JP5860382 B2 JP 5860382B2
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- 239000000446 fuel Substances 0.000 title claims description 188
- 239000007789 gas Substances 0.000 claims description 225
- 239000007800 oxidant agent Substances 0.000 claims description 124
- 230000001590 oxidative effect Effects 0.000 claims description 124
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 105
- 230000002093 peripheral effect Effects 0.000 claims description 101
- 239000002737 fuel gas Substances 0.000 claims description 74
- 239000000567 combustion gas Substances 0.000 claims description 46
- 230000035882 stress Effects 0.000 claims description 43
- 238000001704 evaporation Methods 0.000 claims description 33
- 230000008020 evaporation Effects 0.000 claims description 31
- 238000002407 reforming Methods 0.000 claims description 29
- 230000008646 thermal stress Effects 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 238000003487 electrochemical reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 20
- 238000003466 welding Methods 0.000 description 15
- 238000004891 communication Methods 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000011084 recovery Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000010416 ion conductor Substances 0.000 description 2
- AHKZTVQIVOEVFO-UHFFFAOYSA-N oxide(2-) Chemical compound [O-2] AHKZTVQIVOEVFO-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 2
- 238000000629 steam reforming Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
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Description
14…原燃料供給装置 16…酸化剤ガス供給装置
18…水供給装置 20…制御装置
22…燃料電池 24…燃料電池スタック
26…電解質 28…カソード電極
30…アノード電極 32…電解質・電極接合体
38…酸化剤ガス流路 40…燃料ガス流路
46…改質器 48…蒸発器
50…熱交換器 52…排ガス燃焼器
54…起動用燃焼器 55…外周部材
56…FC周辺機器 57…空気供給管
58…原燃料供給管 60…燃焼カップ
60a、108…孔部 62…スタック取り付け板
66…改質管路
68a、76a、98a…下側リング部材
68b、76b、98b…上側リング部材
70…円筒部材 72…開口部
74…蒸発管路 78a…混合ガス供給室
78b…燃料ガス排出室 80…端部リング部材
82a…水供給室 82b…水蒸気排出室
84…原燃料供給路 86…燃料ガス通路
88…水通路 96…熱交換管路
100a…下端リング部材 100b…上端リング部材
102a…酸化剤ガス供給室 102b…酸化剤ガス排出室
104…カバー部材 106…熱回収領域
110…酸化剤ガス供給管 112…排ガス配管
114…酸化剤ガス配管 116a〜116d…燃焼ガス通路
117、140、144、150、160…応力緩和部
117in、160ai、160bi…内周湾曲部位
117out、160ao、160bo…外周湾曲部位
142、146、150a、150b…湾曲部位
152、162…内側リング 154、164…外側リング
Claims (9)
- 燃料ガスと酸化剤ガスとの電気化学反応により発電する燃料電池を複数積層した燃料電池スタックと周辺機器とを有し、
且つ前記周辺機器が、
炭化水素を主体とする原燃料と水蒸気との混合ガスを改質し、前記燃料電池スタックに供給される前記燃料ガスを生成する改質器と、
水を蒸発させるとともに、前記水蒸気を前記改質器に供給する蒸発器と、
燃焼ガスとの熱交換により前記酸化剤ガスを昇温させるとともに、前記燃料電池スタックに前記酸化剤ガスを供給する熱交換器と、
前記燃料電池スタックから排出される前記燃料ガスである燃料排ガスと前記酸化剤ガスである酸化剤排ガスとを燃焼させ、前記燃焼ガスを発生させる排ガス燃焼器と、
前記原燃料と前記酸化剤ガスとを燃焼させて前記燃焼ガスを発生させる起動用燃焼器と、
を備える燃料電池モジュールであって、
前記周辺機器は、さらに、
前記排ガス燃焼器及び前記起動用燃焼器が構成される第1領域と、
前記改質器及び前記蒸発器が構成されるとともに、前記第1領域を環状に周回する第2領域と、
前記熱交換器が構成されるとともに、前記第2領域を環状に周回する第3領域と、
を備え、
少なくとも前記第1領域と前記第2領域との境界に沿って、前記第2領域と前記第3領域との境界に沿って、又は、前記第3領域の最外周部に沿って、熱による応力を緩和するための応力緩和部が設けられることを特徴とする燃料電池モジュール。 - 請求項1記載の燃料電池モジュールにおいて、前記改質器は、前記混合ガスが供給される環状の混合ガス供給室、生成された前記燃料ガスが排出される環状の燃料ガス排出室、一端が前記混合ガス供給室に連通し且つ他端が前記燃料ガス排出室に連通する複数本の改質管路、及び前記改質管路間に前記燃焼ガスを供給する燃焼ガス通路を備え、
前記蒸発器は、前記水が供給される環状の水供給室、前記水蒸気が排出される環状の水蒸気排出室、一端が前記水供給室に連通し且つ他端が前記水蒸気排出室に連通する複数本の蒸発管路、及び前記蒸発管路間に前記燃焼ガスを供給する燃焼ガス通路を備え、
前記熱交換器は、前記酸化剤ガスが供給される環状の酸化剤ガス供給室、昇温された前記酸化剤ガスが排出される環状の酸化剤ガス排出室、一端が前記酸化剤ガス供給室に連通し且つ他端が前記酸化剤ガス排出室に連通する複数本の熱交換管路、及び前記熱交換管路間に前記燃焼ガスを供給する燃焼ガス通路を備えることを特徴とする燃料電池モジュール。 - 請求項2記載の燃料電池モジュールにおいて、前記燃料ガス排出室は、前記水蒸気排出室と2段に且つ該水蒸気排出室よりも内側に配設されるとともに、
前記混合ガス供給室は、前記水供給室と2段に且つ該水供給室よりも内側に配設されることを特徴とする燃料電池モジュール。 - 請求項2又は3記載の燃料電池モジュールにおいて、前記混合ガス供給室及び前記燃料ガス排出室は、それぞれ前記改質管路の端部が挿入される内側リングと前記内側リングから離間して配置される外側リングとの間に形成され、
前記水供給室及び前記水蒸気排出室は、それぞれ前記蒸発管路の端部が挿入される内側リングと前記内側リングから離間して配置される外側リングとの間に形成され、
前記酸化剤ガス供給室及び前記酸化剤ガス排出室は、それぞれ前記熱交換管路の端部が挿入される内側リングと前記内側リングから離間して配置される外側リングとの間に形成されることを特徴とする燃料電池モジュール。 - 請求項2〜4のいずれか1項に記載の燃料電池モジュールにおいて、前記燃料ガス排出室、前記水蒸気排出室及び前記酸化剤ガス排出室は、前記燃料電池スタックに近接する一方の端部側に設けられるとともに、
前記混合ガス供給室、前記水供給室及び前記酸化剤ガス供給室は、前記燃料電池スタックとは反対の他方の端部側に設けられることを特徴とする燃料電池モジュール。 - 請求項4記載の燃料電池モジュールにおいて、前記応力緩和部は、少なくとも前記燃料ガス排出室、前記酸化剤ガス排出室又は前記水蒸気排出室の1つを構成する前記内側リング及び前記外側リングに設けられることを特徴とする燃料電池モジュール。
- 請求項4又は6記載の燃料電池モジュールにおいて、前記応力緩和部は、少なくとも前記混合ガス供給室、前記水供給室及び前記酸化剤ガス供給室の1つを構成する前記内側リング及び前記外側リングに設けられることを特徴とする燃料電池モジュール。
- 請求項4、6又は7記載の燃料電池モジュールにおいて、前記応力緩和部は、前記内側リング及び前記外側リングの各内周部又は各外周部の少なくともいずれかに設けられる湾曲部位により構成されることを特徴とする燃料電池モジュール。
- 請求項1〜8のいずれか1項に記載の燃料電池モジュールにおいて、前記燃料電池モジュールは、固体酸化物形燃料電池モジュールであることを特徴とする燃料電池モジュール。
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JP2012245365A JP5860382B2 (ja) | 2012-11-07 | 2012-11-07 | 燃料電池モジュール |
US14/438,339 US9397356B2 (en) | 2012-11-07 | 2013-10-07 | Fuel cell module |
PCT/JP2013/077685 WO2014073320A1 (en) | 2012-11-07 | 2013-10-07 | Fuel cell module |
EP13783692.0A EP2891207B1 (en) | 2012-11-07 | 2013-10-07 | Fuel cell module |
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JP6331973B2 (ja) * | 2014-10-31 | 2018-05-30 | 株式会社デンソー | 燃料電池装置 |
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US7169495B2 (en) * | 2003-05-06 | 2007-01-30 | Versa Power Systems, Ltd. | Thermally integrated SOFC system |
JP4779488B2 (ja) * | 2005-07-26 | 2011-09-28 | 日産自動車株式会社 | 固体電解質型燃料電池及びスタック構造体 |
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