WO2008031640A1 - Système d'accumulation d'énergie destiné à un véhicule et procédé de commande du système d'accumulation d'énergie - Google Patents

Système d'accumulation d'énergie destiné à un véhicule et procédé de commande du système d'accumulation d'énergie Download PDF

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Publication number
WO2008031640A1
WO2008031640A1 PCT/EP2007/055318 EP2007055318W WO2008031640A1 WO 2008031640 A1 WO2008031640 A1 WO 2008031640A1 EP 2007055318 W EP2007055318 W EP 2007055318W WO 2008031640 A1 WO2008031640 A1 WO 2008031640A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy storage
storage device
state
motor vehicle
energy
Prior art date
Application number
PCT/EP2007/055318
Other languages
German (de)
English (en)
Inventor
Marcus Bücken
Carsten GÖTTE
Original Assignee
Continental Automotive Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2008031640A1 publication Critical patent/WO2008031640A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • 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
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to an energy storage system for a motor vehicle and a method for controlling such an energy storage system.
  • the energy supply of motor vehicles with internal combustion engines has hitherto been realized at least with a lead-acid battery as part of the energy storage system.
  • Such Energyspei ⁇ storage systems with at least one lead-acid battery are 0876554 Bl and EP 360 090 Bl known from 1 publications EP.
  • a lead-acid battery has disadvantages in terms of fuel consumption due to its size and weight.
  • the lead battery is disadvantageous because it has egg ⁇ ne low energy density with respect to its weight and its volume or.
  • An object of the present invention is therefore to increase the reliability of an energy storage ⁇ system for a motor vehicle.
  • Another object is to provide a more reliable and environmentally friendly ⁇ energy storage system for a motor vehicle.
  • At least one of the objects is achieved by an energy storage system with the features of patent ⁇ claim 1 and / or by a method for controlling an energy storage system with the features of claim 8.
  • an energy storage system for a motor vehicle which comprises: a) a first lead-free energy storage device which has an energy density of at least 30 Wh / kg, preferably of at least 40 Wh / kg, more preferably of at least 100
  • a second lead-free energy storage device which provides a predetermined power in particular of at least 1000 W a starter motor for starting an internal combustion engine of the motor vehicle for a predetermined number of start cycles and is configured such that it maintains its radio ⁇ tion capability over its lifetime substantially beibe ⁇ ; and c) a control device which is in an off state of
  • the first energy storage device or a further power supply device controls such that it loads the second energy storage device, so that the second energy storage device has at least a predetermined state of charge, and in an on state of the internal combustion engine, the state of charge of the first energy ⁇ storage device and / or the state of charge second energy storage device monitors and depending on a Loading the first energy storage device and / or the second energy storage device controls.
  • a method for controlling an energy storage system for a motor vehicle comprising the following steps: a) Provision of a first lead-free energy storage device which has an energy density of at least 30 Wh / kg, preferably 40 Wh / kg, particularly preferably 100 Wh / kg, for an energy supply of a vehicle electrical system of the motor vehicle on ⁇ points; b) providing a second lead-free energy storage device, which provides a predetermined power of at least 1000 W a starter motor for starting a combustion engine of the motor vehicle for a predetermined number of start cycles and is designed such that it retains its functionality over its lifetime substantially ⁇ ; and c) controlling the first energy storage device or another energy supply device in an off state of the internal combustion engine such that the second energy ⁇ storage device has at least a predetermined state of charge, and monitoring the state of charge of the first energy ⁇ storage device and / or the state of charge of the second energy storage device in an on state of the internal combustion engine and depending on the monitoring controlling a charging of the first energy storage device
  • the lead-free first Energyspei ⁇ cher is designed in terms of their energy density such that it is capable of supplying the electrical system of the motor vehicle for at least as long or a longer period as a lead battery used conventionally with energy.
  • the second lead-free energy storage device used to provide high performance, especially for the engine start.
  • the energy distribution between the first energy storage device and the second energy storage device is controlled by the control device.
  • Another advantage of the present invention is that the energy storage system according to the invention with the first lead-free energy storage device and the second lead-free energy storage device completely dispenses with lead and thus significantly more environmentally friendly than energy storage systems with at least one lead-acid battery.
  • the predetermined state of charge of the second energy storage device is suitable for starting the internal combustion engine.
  • the second energy storage device is is purchased from a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a container containing a high high current resistance of example ⁇ example 750A and can work in a wide temperature range from -2O 0 C to + 6O 0 C.
  • the second energy storage device is designed as a double-layer capacitor unit with a capacitance of 300 F, which is designed in particular as a series circuit of six double ⁇ layer capacitors with a capacity of 1800 F each.
  • the first energy storage device is designed as a parallel connection of three NiMH battery units, wherein a NiMH battery unit is a series circuit of eleven NiMH batteries, each having a voltage of 1.2 V and a capacity of 15 Ah, in particular, the NiMH battery has a weight of 250 g and a dimension of 88.8 mm * 32.5 mm.
  • the first energy storage device is a series circuit of three Lithium-ion batteries is formed, each providing a voltage of 4.2 V and have a capacity of 45 AH, a lithium-ion battery in particular a Ge ⁇ weight of 1007 g and a dimension of 222 mm * 54, 3 mm.
  • the further energy supply device is designed as a thermogenerator, in particular as a Peltier element, or as a fuel cell, in particular as a direct methanol fuel cell.
  • the second energy supply device has a power density of at least 2000 W / kg.
  • Figure 1 is a schematic block diagram of a first embodiment of erfindungsge ⁇ bau built energy storage system
  • Figure 2 is a schematic block diagram of a second embodiment of the erfindungsge ⁇ bau built energy storage system.
  • Figure 3 is a schematic flow diagram of a preferred embodiment of the inventions ⁇ inventive method.
  • FIGS 1 and 2 each show a schematic block ⁇ circuit diagram of an embodiment of the invention Energy storage system 1 for a motor vehicle.
  • the dung OF INVENTION ⁇ proper energy storage system 1 comprises a first lead- ⁇ free energy storage means 2, a second lead-free energy storage means 4, and a controller. 6
  • the second lead-free energy storage device 4 is configured such that it provides a predetermined power of at least 1000 W ⁇ a starter motor 5 for starting an internal combustion engine of the motor vehicle for a predetermined number of starting cycles. Further, the second lead- ⁇ free energy storage device 4 configured such that it retains its functionality over its lifetime in the Wesent ⁇ union. This means that the second unleaded energy storage device 4, unlike a lead-acid battery, undergoes substantially no hysteresis of aging and thus can maintain its operability over its lifetime.
  • the first lead-free energy storage device 2 has an energy density of at least 30 Wh / kg, preferably of at least 40 Wh / kg, particularly preferably of at least 100 Wh / kg, for an energy supply of a vehicle electrical system 3 of the motor vehicle.
  • the first energy storage device 2 is beispielswei ⁇ se designed as a parallel connection of three NiMH battery units, wherein a NiMH battery unit is a series ⁇ circuit of eleven NiMH batteries.
  • a NiMH battery provides a voltage of 1.2 V and has a capacity of 15 Ah.
  • the NiMH battery also has the special ⁇ a weight of 250 grams and a dimension as a round cell of 88.8 mm * 32.5 mm.
  • Another example of the energy storage device 2 is a series circuit of three lithium-ion batteries, each providing a voltage of 4.2 V and having a capacity of 45 Ah, with a lithium-ion battery as a round cell in particular a weight of 1007 g and has a dimension of 222 mm * 54.3 mm.
  • the predetermined state of charge of the second energy storage device 4 is particularly suitable for starting the Verbrennungsmo ⁇ sector.
  • the second energy supply device 4 preferably has a power density of at least 1000 W / kg.
  • the second energy storage device 4 is designed as a double-layer capacitor unit with a capacitance of 300 F, which is designed in particular as a series circuit of six double-layer capacitors with a capacity of 1800 F each.
  • the control device 6 controls the first energy storage device 2 by means of the control signal S such that the first Ener ⁇ gie appointment Marie 2 charges the second power storage device 4, so that the second power storage device 4 comprises at least the predetermined state of charge.
  • the control device 6 monitors the charge state of the first Energyspei ⁇ cher worn 2 by means of a state of charge signal LZl and / or the state of charge of the second energy storage device 4 by means of a charge state signal LZ2 and controls ⁇ dependent of the first state of charge signal LZL and / or in an on state of the internal combustion engine the second charge state signal LZ2 loading the first energy ⁇ storage device 2 and / or the second energy storage device.
  • control device 6 can also control a generator 8 or alternator such that the generator 8 controls the first lead-free energy storage device 2 and / or the electrical system 3 by means of the line L8 and / or the second lead-free energy storage device 4 by means of the line L9.
  • the second lead-free energy storage device 4 provides the starter motor 5 with the necessary energy by means of the line L3.
  • the control device can also control the second lead-free Energyspei ⁇ cher worn 4 by means of the second control signal S2 in such a way 6 that the second lead-free energy storage device 4 loads the first lead-free energy storage device 2 by the line L2.
  • the control device 6 in response to the state of charge signals LZL and LZ2, the first lead-free energy storage device 2 also control such that it supplies the starter motor 5 by means of the line L4 with e- nergy.
  • the second Energyversor ⁇ restriction device 4 is by the control device 6 is also controlled such that it supplies the electrical system of the motor vehicle 3 with ⁇ means of the line L5 with energy.
  • the ERS te energy storage means 2 is controllable by the control device 6 in that it provides in the off state, the on-board network 3 with ⁇ means of the line L6 with energy.
  • the second embodiment of the power storage system 1 according to Figure 2 differs from the first execution ⁇ example according to Figure 1 in that the second energy ⁇ storage device 4 is loaded in the on-state of the Verbrennungsmo ⁇ tors from the first energy storage device 2 and not the generator 8 , This power supply can be carried out by means of the line LIl.
  • the energy stored in the first energy storage device 2 exceeds a predetermined state of charge, it can be dissipated to the vehicle electrical system 3 by means of the line L10 even when it is switched on.
  • FIG. 3 shows a schematic flow diagram of a preferred exemplary embodiment of the method according to the invention for controlling an energy storage system 1 for a motor vehicle.
  • the method according to the invention will be explained below with reference to the block diagram in FIG.
  • the erfindungsge ⁇ Permitted method has the following method steps a to c: Process step a:
  • a first lead-free energy storage device 2 be ⁇ provided, which has an energy density of at least 30 Wh / kg, preferably of at least 40 Wh / kg, more preferably of at least 100 Wh / kg, for a power supply of a vehicle electrical system 3 of a motor vehicle.
  • a second lead-free energy storage means 4 which is a predetermined power insbesonde ⁇ re of at least 1000 W / kg a starter motor 5 provides for starting an internal combustion engine of the motor vehicle for asammlung ⁇ infinite number of starting cycles and so from ⁇ designed to its Maintains functionality over their life essentially.
  • the first energy storage device 2 or another E- nergiemakerss favorable is controlled in an off state of the engine in such a way so that the second Ener ⁇ gie appointment issued 4 has at least a predetermined state of charge.
  • the charge state of the first energy storage device 2 and / or the state of charge of the second energy storage device 4 is monitored and depending on the monitoring, charging of the first energy storage device 2 and / or the second energy storage device 4 is controlled.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système d'accumulation d'énergie destiné à un véhicule, comportant un premier système d'accumulation d'énergie sans plomb présentant une densité énergétique d'au moins 30 Wh/kg, de préférence d'au moins 40 Wh/kg, notamment d'au moins 100 Wh/kg pour l'alimentation en énergie d'un réseau de bord d'un véhicule; un deuxième système d'accumulation d'énergie sans plomb fournissant une puissance prédéfinie, d'au moins 1000 W notamment, à un moteur de démarreur pour le démarrage d'un moteur à combustion interne du véhicule, pour un nombre prédéfini de cycles de démarrage, le deuxième système d'accumulation d'énergie étant conçu de manière à conserver essentiellement sa fonctionnalité sur toute sa durée de vie; et un dispositif de commande commandant, à l'arrêt du moteur à combustion interne, le premier système d'accumulation d'énergie ou un autre système d'accumulation d'énergie, de telle manière que celui-ci charge le deuxième système d'accumulation d'énergie de telle façon que le deuxième système d'accumulation d'énergie présente au moins un état de charge prédéfini, et contrôlant, lors de la marche du moteur à combustion interne, l'état de charge du premier système d'accumulation d'énergie et/ou l'état de charge du deuxième système d'accumulation d'énergie et commandant la charge du premier système d'accumulation d'énergie et/ou du deuxième système d'accumulation d'énergie en fonction de ce contrôle.
PCT/EP2007/055318 2006-09-15 2007-05-31 Système d'accumulation d'énergie destiné à un véhicule et procédé de commande du système d'accumulation d'énergie WO2008031640A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006044138A DE102006044138A1 (de) 2006-09-15 2006-09-15 Energiespeichersystem für ein Kraftfahrzeug und Verfahren zum Steuern eines Energiespeichersystems
DE102006044138.9 2006-09-15

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WO2008031640A1 true WO2008031640A1 (fr) 2008-03-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010115006A1 (fr) * 2009-04-01 2010-10-07 Eaglepicher Technologies, Llc Système de stockage d'énergie hybride, système d'énergie renouvelable comprenant le système de stockage et procédé d'utilisation de ces systèmes
GB2510821A (en) * 2013-02-13 2014-08-20 Jaguar Land Rover Ltd Charging Method
DE102020112184A1 (de) 2020-05-06 2021-11-11 Audi Aktiengesellschaft System zum Betreiben einer Brennstoffzellenanordnung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023106663A1 (de) 2023-03-16 2024-09-19 Rolls-Royce Deutschland Ltd & Co Kg Energieversorgungssystem für ein Fahrzeug

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EP0876554A1 (fr) 1995-08-31 1998-11-11 ISAD Electronic Systems GmbH & Co.KG Demarreur/generateur pour moteur a combustion interne, notamment d'automobile
EP1013506A2 (fr) * 1998-12-21 2000-06-28 Audi Ag Réseau de bord d'un véhicule
WO2002066293A1 (fr) * 2001-02-16 2002-08-29 Siemens Aktiengesellschaft Reseau de bord de vehicule automobile
DE10256704B3 (de) * 2002-12-04 2004-02-26 Siemens Ag Schaltungs für ein KFZ-Bordnetz und zugehöriges Betriebsverfahren
DE10313081A1 (de) * 2003-03-24 2004-10-07 Heinz Leiber Kraftfahrzeug
US20050052165A1 (en) * 2003-09-05 2005-03-10 Willner Christopher A. Optimization arrangement for direct electrical energy converters
WO2007107458A2 (fr) * 2006-03-23 2007-09-27 Continental Automotive Gmbh Dispositif d'entraînement muni d'un groupe supplémentaire à entraînement mécanique, procédé d'utilisation du dispositif d'entraînement et moyen pour mettre en œuvre le procédé

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DE19523109C2 (de) * 1995-06-26 2001-10-11 Daimler Chrysler Ag Kraftfahrzeug mit Brennkraftmaschine und einem Stromerzeugungssystem
DE19917294B4 (de) * 1999-04-16 2007-06-14 Volkswagen Ag Bordnetz für Kraftfahrzeuge
DE102004032197A1 (de) * 2003-07-03 2005-02-24 Remy Inc. (N.D.Ges.D. Staates Delaware), Anderson Leistungsmodul für Kraftfahrzeuge
DE102004044469B4 (de) * 2004-09-15 2009-04-02 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zum Starten einer Brennkraftmaschine eines Kraftfahrzeugs

Patent Citations (8)

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Publication number Priority date Publication date Assignee Title
EP0876554A1 (fr) 1995-08-31 1998-11-11 ISAD Electronic Systems GmbH & Co.KG Demarreur/generateur pour moteur a combustion interne, notamment d'automobile
EP1013506A2 (fr) * 1998-12-21 2000-06-28 Audi Ag Réseau de bord d'un véhicule
WO2002066293A1 (fr) * 2001-02-16 2002-08-29 Siemens Aktiengesellschaft Reseau de bord de vehicule automobile
EP1360090A1 (fr) 2001-02-16 2003-11-12 Siemens Aktiengesellschaft Reseau de bord de vehicule automobile
DE10256704B3 (de) * 2002-12-04 2004-02-26 Siemens Ag Schaltungs für ein KFZ-Bordnetz und zugehöriges Betriebsverfahren
DE10313081A1 (de) * 2003-03-24 2004-10-07 Heinz Leiber Kraftfahrzeug
US20050052165A1 (en) * 2003-09-05 2005-03-10 Willner Christopher A. Optimization arrangement for direct electrical energy converters
WO2007107458A2 (fr) * 2006-03-23 2007-09-27 Continental Automotive Gmbh Dispositif d'entraînement muni d'un groupe supplémentaire à entraînement mécanique, procédé d'utilisation du dispositif d'entraînement et moyen pour mettre en œuvre le procédé

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010115006A1 (fr) * 2009-04-01 2010-10-07 Eaglepicher Technologies, Llc Système de stockage d'énergie hybride, système d'énergie renouvelable comprenant le système de stockage et procédé d'utilisation de ces systèmes
JP2012523215A (ja) * 2009-04-01 2012-09-27 イーグルピッチャー テクノロジーズ，エルエルシー ハイブリッドエネルギー貯蔵システム、該貯蔵システムを含む再生可能エネルギーシステムおよびその使用方法
US8427098B2 (en) 2009-04-01 2013-04-23 Eaglepicher Technologies, Llc Hybrid energy storage system, renewable energy system including the storage system, and method of using same
US8638061B2 (en) 2009-04-01 2014-01-28 Eaglepicher Technologies, Llc Hybrid energy storage system, renewable energy system including the storage system, and method of using same
RU2506679C2 (ru) * 2009-04-01 2014-02-10 Иглпичер Текнолоджис, Ллс Способ и система стабилизации мощности (варианты)
USRE46156E1 (en) 2009-04-01 2016-09-20 Eaglepicher Technologies Llc Hybrid energy storage system, renewable energy system including the storage system, and method of using same
AP3970A (en) * 2009-04-01 2016-12-30 Eaglepicher Technologies Llc Hybrid energy storage system, renewable energy system including the storage system, and method of using same.
GB2510821A (en) * 2013-02-13 2014-08-20 Jaguar Land Rover Ltd Charging Method
GB2510821B (en) * 2013-02-13 2015-08-19 Jaguar Land Rover Ltd Charging Method
DE102020112184A1 (de) 2020-05-06 2021-11-11 Audi Aktiengesellschaft System zum Betreiben einer Brennstoffzellenanordnung
DE102020112184B4 (de) 2020-05-06 2024-07-18 Audi Aktiengesellschaft System zum Betreiben einer Brennstoffzellenanordnung

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