JP5344223B2 - 燃料電池システムおよび電子機器 - Google Patents
燃料電池システムおよび電子機器 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M16/00—Structural combinations of different types of electrochemical generators
- H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
- H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- 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
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04373—Temperature; Ambient temperature of auxiliary devices, e.g. reformers, compressors, burners
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
- H01M8/04738—Temperature of auxiliary devices, e.g. reformer, compressor, burner
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- H—ELECTRICITY
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- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04895—Current
- H01M8/0491—Current of fuel cell stacks
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- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04895—Current
- H01M8/04917—Current of auxiliary devices, e.g. batteries, capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/30—Fuel cells in portable systems, e.g. mobile phone, laptop
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- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
-
- 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
- Y02E60/10—Energy storage using batteries
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- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Electrochemistry (AREA)
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Description
1.実施の形態(二次電池での検出温度に応じた充電電流の制御動作の例)
2.変形例および適用例
[燃料電池システムの全体構成例]
図1は、本発明の一実施の形態に係る燃料電池システム(燃料電池システム5)の全体構成を表すものである。燃料電池システム5は、負荷6を駆動するための電力を出力端子T2,T3を介して供給するものである。この燃料供給システム5は、燃料電池1と、2つの電流検出部311,312と、電圧検出部32と、昇圧回路33と、温度検出部30と、二次電池34と、制御部35とから構成されている。
次に、図2〜図4を参照して、燃料電池1の詳細構成について説明する。図2および図3は、燃料電池1内の発電部10における単位セル10A〜10Fの構成例を表すものであり、図2は、図3におけるII−II線に沿った矢視断面構成に対応する。
本実施の形態の燃料電池システム5は、例えば次のようにして製造することができる。
次に、本実施の形態の燃料電池システム5の作用および効果について詳細に説明する。
CH3OH+H2O → CO2+6H++6e- ……(1)
6H++(3/2)O2+6e-→ 3H2O ……(2)
CH3OH+(3/2)O2→ CO2+2H2O ……(3)
ここで、図8は、二次電池34としてリチウムイオン電池を用いた場合における、サイクル数(回)と、放電容量(mAh)およびリチウムイオン電池の厚み変化量ΔT(mm)との関係の一例を表したものである。ここでは、1C充電および1C放電を繰り返して行うサイクル試験(図中に示した「1C1C」に対応)と、2C充電および1C放電を繰り返して行うサイクル試験(図中に示した「2C1C」に対応)との2種類のサイクル試験を行っている。ここで、「1C充電(1C放電)」とは、例えばリチウムイオン電池の電流容量が1000mAhである場合、1時間で充電(放電)が完了するような充電電流(放電電流)(すなわち、1000mA)での充電動作(放電動作)のことを意味している。同様に、「2C充電」とは、例えばリチウムイオン電池の電流容量が1000mAhである場合、0.5時間で充電が完了するような充電電流(すなわち、2000mA)での充電動作のことを意味している。なお、充電動作はCC−CV(上限電圧=4.2V,0.05Cカット)にて行い、放電動作は3.0Vカットにて行っている。
以上、実施の形態を挙げて本発明を説明したが、本発明はこの実施の形態に限定されるものではなく、種々の変形が可能である。
Claims (9)
- 燃料および酸化剤ガスの供給により発電を行う発電部と、
前記発電部側へ前記燃料を供給すると共に、この燃料の供給量が調節可能となっている燃料供給部と、
前記発電部の発電により生じる起電力を蓄電するための二次電池と、
前記二次電池の温度を検出する温度検出部と、
前記二次電池への充電電流が最大充電電流値よりも小さくなるように、前記燃料供給部による燃料の供給量を、前記最大充電電流値に対応する最大値以下に調整する制御部と
を備え、
前記制御部は、前記温度検出部により検出された二次電池の温度に応じて、前記最大充電電流値を制御する
燃料電池システム。 - 前記制御部は、検出された二次電池の温度が下がるのに従って、前記最大充電電流値がより小さくなるように制御する
請求項1に記載の燃料電池システム。 - 前記制御部は、検出された二次電池の温度が下がるのに従って、前記最大充電電流値が指数関数的に小さくなっていくように制御する
請求項2に記載の燃料電池システム。 - 前記制御部は、前記燃料供給部による、1回の供給動作当たりの燃料供給量または燃料供給周期を変化させることにより、前記燃料の供給量を調整する
請求項1ないし請求項3のいずれか1項に記載の燃料電池システム。 - 前記充電電流を検出する電流検出部を備え、
前記制御部は、前記電流検出部により検出された充電電流を用いて、この充電電流が前記最大充電電流値よりも小さくなるように、前記燃料供給部による燃料の供給量を調整する
請求項1ないし請求項4のいずれか1項に記載の燃料電池システム。 - 前記燃料供給部が、前記発電部側へ液体燃料を供給するものであり、
前記燃料供給部により供給された液体燃料を気化させることによって、気体燃料を前記発電部へ供給する燃料気化部を備えた
請求項1ないし請求項5のいずれか1項に記載の燃料電池システム。 - 前記燃料を収容する燃料タンクを備えた
請求項1ないし請求項6のいずれか1項に記載の燃料電池システム。 - 前記二次電池が、リチウムイオン電池である
請求項1ないし請求項7のいずれか1項に記載の燃料電池システム。 - 燃料電池システムを備え、
前記燃料電池システムは、
燃料および酸化剤ガスの供給により発電を行う発電部と、
前記発電部側へ前記燃料を供給すると共に、この燃料の供給量が調節可能となっている燃料供給部と、
前記発電部の発電により生じる起電力を蓄電するための二次電池と、
前記二次電池の温度を検出する温度検出部と、
前記二次電池への充電電流が最大充電電流値よりも小さくなるように、前記燃料供給部による燃料の供給量を、前記最大充電電流値に対応する最大値以下に調整する制御部と
を有し、
前記制御部は、前記温度検出部により検出された二次電池の温度に応じて、前記最大充電電流値を制御する
電子機器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009013101A JP5344223B2 (ja) | 2009-01-23 | 2009-01-23 | 燃料電池システムおよび電子機器 |
PCT/JP2010/050476 WO2010084836A1 (ja) | 2009-01-23 | 2010-01-18 | 燃料電池システムおよび電子機器 |
US13/143,012 US8957622B2 (en) | 2009-01-23 | 2010-01-18 | Fuel cell system and electronic device |
CN201080004827XA CN102282711A (zh) | 2009-01-23 | 2010-01-18 | 燃料电池系统和电子装置 |
Applications Claiming Priority (1)
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JP2009013101A JP5344223B2 (ja) | 2009-01-23 | 2009-01-23 | 燃料電池システムおよび電子機器 |
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JP2010170887A JP2010170887A (ja) | 2010-08-05 |
JP5344223B2 true JP5344223B2 (ja) | 2013-11-20 |
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US (1) | US8957622B2 (ja) |
JP (1) | JP5344223B2 (ja) |
CN (1) | CN102282711A (ja) |
WO (1) | WO2010084836A1 (ja) |
Cited By (1)
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JP7097367B2 (ja) | 2016-12-31 | 2022-07-07 | ヒタチ・エナジー・スウィツァーランド・アクチェンゲゼルシャフト | 電力変圧器等におけるコンポーネントを監視するシステムおよび方法 |
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GB2524973A (en) * | 2014-04-07 | 2015-10-14 | Intelligent Energy Ltd | Power supply apparatus |
CN105529690B (zh) * | 2014-09-28 | 2019-03-22 | 三美电机株式会社 | 电池保护电路、电池保护装置、电池组以及电池保护方法 |
KR101620222B1 (ko) * | 2014-11-20 | 2016-05-13 | 현대자동차주식회사 | 연료전지 하이브리드 차량의 전력분배 방법 |
JP2019079631A (ja) * | 2017-10-20 | 2019-05-23 | トヨタ自動車株式会社 | 燃料電池システム |
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2009
- 2009-01-23 JP JP2009013101A patent/JP5344223B2/ja active Active
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2010
- 2010-01-18 WO PCT/JP2010/050476 patent/WO2010084836A1/ja active Application Filing
- 2010-01-18 CN CN201080004827XA patent/CN102282711A/zh active Pending
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7097367B2 (ja) | 2016-12-31 | 2022-07-07 | ヒタチ・エナジー・スウィツァーランド・アクチェンゲゼルシャフト | 電力変圧器等におけるコンポーネントを監視するシステムおよび方法 |
US11587727B2 (en) | 2016-12-31 | 2023-02-21 | Hitachi Energy Switzerland Ag | Systems and methods for monitoring components in a power transformer or the like |
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US8957622B2 (en) | 2015-02-17 |
WO2010084836A1 (ja) | 2010-07-29 |
US20110266994A1 (en) | 2011-11-03 |
CN102282711A (zh) | 2011-12-14 |
JP2010170887A (ja) | 2010-08-05 |
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