JP2020017356A - 燃料電池システム及び液水量予測方法 - Google Patents
燃料電池システム及び液水量予測方法 Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 172
- 239000007788 liquid Substances 0.000 title claims abstract description 138
- 239000000446 fuel Substances 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 39
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 239000001257 hydrogen Substances 0.000 claims abstract description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000010248 power generation Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Abstract
Description
実施形態に係る燃料電池システム10について、図面を参照して説明する。図1に示されるように、本実施形態に係る燃料電池システム10は、車両に搭載されており、燃料電池スタック12を備えている。
次に、燃料電池スタック12で生成された液水量の予測方法について説明する。始めに、燃料電池スタック12における反応式は、以下のようになる。このとき、水素消費量を100%とし、水素消費量に対する吸入酸素のモル比をkとしている。
次に、本実施形態の作用を説明する。
図2に示されるように、本変形例に係る燃料電池システム70は、調圧バルブ24の位置が異なっている点を除いて実施形態と同様の構造である。
図3に示されるように、本変形例に係る燃料電池システム80は、第1排気管17の接続位置が異なっている点を除いて実施形態と同様の構造である。
図4に示されるように、本変形例に係る燃料電池システム90は、調圧バルブ24の位置、及び第1排気管17の接続位置が異なっている点を除いて実施形態と同様の構造である。
12 燃料電池スタック
26 排水管
28 排水バルブ(バルブ)
30 貯水タンク
36 噴射部
38 ラジエータ(熱交換器)
56 液水量予測部
62 バルブ制御部
70 燃料電池システム
80 燃料電池システム
90 燃料電池システム
Claims (4)
- 水素と酸素との化学反応により発電が行われると共に生成水及び排気が排出される燃料電池スタックと、
前記燃料電池スタックの発電電流量と、前記燃料電池スタックへ供給される空気の量と、前記空気の温度と、前記空気の相対湿度と、前記燃料電池スタックから排出される排気の温度と、前記排気の圧力とに基づいて前記生成水のうちの液水の量を予測する液水量予測部と、
を有する燃料電池システム。 - 前記燃料電池スタックから排出された液水が貯水される貯水タンクと、
前記燃料電池スタックと前記貯水タンクとを連結する排水管に設けられたバルブと、
前記バルブの開度を制御するバルブ制御部と、
を備え、
前記バルブ制御部は、前記液水量予測部によって予測された液水量が多くなるほど、前記バルブの開度を大きくさせ、前記液水量予測部によって予測された液水量が少なくなるほど、前記バルブの開度を小さくさせる請求項1に記載の燃料電池システム。 - 前記貯水タンクに貯水された液水を車両の熱交換器へ噴射させる噴射部を備えた請求項2に記載の燃料電池システム。
- 水素と酸素との化学反応により発電が行われると共に生成水及び排気が排出される燃料電池スタックを備えた燃料電池システムに適用される液水量予測方法であって、
前記燃料電池スタックの発電電流量と、前記燃料電池スタックへ供給される空気の量と、前記空気の温度と、前記空気の相対湿度と、前記燃料電池スタックから排出される排気の温度と、前記排気の圧力とに基づいて前記生成水のうちの液水の量を予測する液水量予測方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018137879A JP7087770B2 (ja) | 2018-07-23 | 2018-07-23 | 燃料電池システム |
CN201910477366.0A CN110752397B (zh) | 2018-07-23 | 2019-06-03 | 燃料电池系统及液态水量预测方法 |
US16/442,876 US20200028191A1 (en) | 2018-07-23 | 2019-06-17 | Fuel cell system and liquid water amount estimating method |
KR1020190073742A KR102243962B1 (ko) | 2018-07-23 | 2019-06-20 | 연료 전지 시스템 및 액수량 예측 방법 |
EP19181611.5A EP3599657B1 (en) | 2018-07-23 | 2019-06-21 | Fuel cell system with liquid water amount estimating section |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2018137879A JP7087770B2 (ja) | 2018-07-23 | 2018-07-23 | 燃料電池システム |
Publications (2)
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JP2021172319A (ja) * | 2020-04-30 | 2021-11-01 | トヨタ自動車株式会社 | 情報処理装置、制御装置、車両、及び散水方法 |
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JP7380422B2 (ja) * | 2020-05-27 | 2023-11-15 | トヨタ自動車株式会社 | 燃料電池システム |
CN113193214B (zh) * | 2021-05-12 | 2022-09-30 | 中国第一汽车股份有限公司 | 燃料电池系统排水控制方法、燃料电池系统及电动汽车 |
CN115084601B (zh) * | 2022-08-23 | 2022-11-29 | 北京英博新能源有限公司 | 燃料电池的气液排出控制方法、系统及燃料电池系统 |
CN115320387B (zh) * | 2022-10-17 | 2022-12-13 | 北京理工大学 | 基于多源信息融合的车用燃料电池膜湿度预测方法及系统 |
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KR102243962B1 (ko) | 2021-04-26 |
KR20200011003A (ko) | 2020-01-31 |
EP3599657B1 (en) | 2021-11-10 |
EP3599657A1 (en) | 2020-01-29 |
US20200028191A1 (en) | 2020-01-23 |
CN110752397B (zh) | 2022-10-18 |
CN110752397A (zh) | 2020-02-04 |
JP7087770B2 (ja) | 2022-06-21 |
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