JP2021044090A - 燃料電池車両及び該車両の停止時掃気時間の設定方法 - Google Patents
燃料電池車両及び該車両の停止時掃気時間の設定方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007800 oxidant agent Substances 0.000 claims abstract description 48
- 230000001590 oxidative effect Effects 0.000 claims abstract description 40
- 238000007710 freezing Methods 0.000 claims abstract description 25
- 230000008014 freezing Effects 0.000 claims abstract description 22
- 230000002000 scavenging effect Effects 0.000 claims description 82
- 238000010408 sweeping Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 68
- 239000002737 fuel gas Substances 0.000 description 22
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- 229910052739 hydrogen Inorganic materials 0.000 description 15
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
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- 238000010586 diagram Methods 0.000 description 6
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- 239000003054 catalyst Substances 0.000 description 5
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- 239000012530 fluid Substances 0.000 description 4
- 239000005518 polymer electrolyte Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 3
- -1 hydrogen ions Chemical class 0.000 description 3
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- 238000002360 preparation method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
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- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
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Abstract
Description
図1は、実施形態に係る燃料電池車両の停止時掃気時間の設定方法を実施する実施形態に係る燃料電池車両(自車)10の構成例を示す模式的ブロック図である。
、大気圧取得手段)61が搭載され、制御部12は、必要に応じてGPSユニット60から前記自車位置を取得する。GPSユニット60は、GPS以外の衛生測位装置を用いることができる。
次に、基本的には以上のように構成される燃料電池車両(車両)10の動作について、図2に示すフローチャートに基づいて詳しく説明する。なお、特に断らない限り、フローチャートによる処理(制御プログラム)を実行するのは制御部12(のCPU)であるが、これをその都度参照するのは繁雑になるので、必要に応じて参照する。
…(1)
Piabs=Pa+Pi …(2)
但し、Fは体積流量[m3/sec]である。Mは質量流量[g/min]であり、エアフローセンサ112による計測値である。
ここで、上記実施形態から把握し得る発明について、以下に記載する。なお、理解の便宜のために構成要素には上記実施形態で用いた符号を付けているが、該構成要素は、その符号をつけたものに限定されない。
備える。
前記掃気時間設定手段12は、前記掃気時間St(sec)を、前記大気の湿度Ha[%]が大きい場合には、前記大気の湿度Ha[%]が小さい場合に比較して増加させるようにしてもよい。
12…制御部 13…記憶部
14…燃料電池システム 16…燃料電池スタック
18…水素タンク 20…出力部
22…酸化剤ガス系デバイス 24…燃料ガス系デバイス
26…エアポンプ 27…バイパス弁
28…加湿器 30…インジェクタ
32…エジェクタ 34…気液分離器
36…アノード流路 38…カソード流路
40…出力調整器 42…蓄電器
44…モータ 52、54…流路
60…GPSユニット 61…通信ユニット
62…パワースイッチ 71…負極端子
72…正極端子 80…掃気時間特性
82…特性
100、104、106、124、128、132、140、142、144、150、154、158、162…管路
102、126…遮断弁 107…バイパス路
112…エアフローセンサ
114…供給路 116…酸化剤ガス入口連通口
118…カソード入口圧力センサ 120…カソード入口温度センサ
122…酸化剤ガス出口連通口 130…カソード出口温度センサ
146…燃料ガス入口連通口 148…燃料ガス出口連通口
152…気体排出口 156…液体排出口
160…排水弁
Claims (5)
- カソード流路とアノード流路を備える燃料電池スタックと、
大気の圧力を取得する大気圧取得手段と、
前記大気を吸込み、供給路を通じて前記カソード流路に酸化剤ガスを供給するポンプと、
前記燃料電池スタックの運転停止時以降に、氷点下になることが予測される場合、前記カソード流路が安定した氷点下起動が可能になる程度の湿潤状態となるように前記酸化剤ガスにより前記カソード流路を掃気するとき、前記大気圧に基づき前記運転停止時の掃気時間を設定する掃気時間設定手段と、
を備える燃料電池車両。 - 請求項1に記載の燃料電池車両において、
前記大気圧取得手段は、
前記大気圧を、自車の位置情報に基づく標高に基づき取得する
燃料電池車両。 - 請求項1又は2に記載の燃料電池車両において、
さらに、
前記供給路に流通する前記酸化剤ガスの質量流量を検出する質量流量センサと、
前記カソード流路の入口の前記酸化剤ガスの圧力を検出するカソード入口圧力センサと、
前記カソード流路の入口の前記酸化剤ガスの温度を検出するカソード入口温度センサと、を有し、
前記掃気時間設定手段は、
前記質量流量、カソード入口圧力、及びカソード入口温度に基づき、前記供給路での体積流量を求め、
前記掃気時間を前記温度により補正した前記体積流量に基づき前記掃気時間を設定する
燃料電池車両。 - 請求項1〜3のいずれか1項に記載の燃料電池車両において、
さらに、該燃料電池車両の位置情報に基づく前記大気の湿度を取得する大気湿度取得手段を有し、
前記掃気時間設定手段は、前記掃気時間を、前記大気の湿度が大きい場合には、前記大気の湿度が小さい場合に比較して増加させる
燃料電池車両。 - カソード流路とアノード流路を備える燃料電池スタックと、大気の圧力を取得する大気圧取得手段と、前記大気を吸込み、供給路を通じて前記カソード流路に酸化剤ガスを供給するポンプと、を備える燃料電池車両の停止時掃気時間の設定方法であって、
前記燃料電池スタックの運転停止時以降に、氷点下になるか否かを予測する予測ステップと、
氷点下になることが予測される場合、前記カソード流路が安定した氷点下起動が可能になる程度の湿潤状態となるように前記酸化剤ガスにより前記カソード流路を掃気するに当たり、前記大気圧を考慮して前記運転停止時の掃気時間を設定する掃気時間設定ステップと、
を備える燃料電池車両の停止時掃気時間の設定方法。
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JP2019163522A JP7117279B2 (ja) | 2019-09-09 | 2019-09-09 | 燃料電池車両及び該車両の停止時掃気時間の設定方法 |
CN202010935416.8A CN112467173B (zh) | 2019-09-09 | 2020-09-08 | 燃料电池车辆以及该车辆的停止时扫气时间的设定方法 |
US17/014,142 US11462754B2 (en) | 2019-09-09 | 2020-09-08 | Fuel cell vehicle and method of setting stop time scavenging period of the vehicle |
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TW202140310A (zh) * | 2020-03-20 | 2021-11-01 | 吳震洋 | 增程系統 |
CN113571740B (zh) * | 2021-09-26 | 2021-12-03 | 北京亿华通科技股份有限公司 | 一种燃料电池系统在线活化方法及活化装置 |
EP4333132A1 (en) * | 2022-08-31 | 2024-03-06 | Volvo Truck Corporation | A computer-implemented method for determining a degradation state of a turbo and/or a humidifier of a fuel cell system |
EP4333133A1 (en) * | 2022-08-31 | 2024-03-06 | Volvo Truck Corporation | A computer-implemented method for estimating a state of health of a humidifier of a fuel cell system for a vehicle |
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US20210075044A1 (en) | 2021-03-11 |
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