WO2021095664A1 - Échangeur d'ions - Google Patents

Échangeur d'ions Download PDF

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Publication number
WO2021095664A1
WO2021095664A1 PCT/JP2020/041575 JP2020041575W WO2021095664A1 WO 2021095664 A1 WO2021095664 A1 WO 2021095664A1 JP 2020041575 W JP2020041575 W JP 2020041575W WO 2021095664 A1 WO2021095664 A1 WO 2021095664A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
refrigerant
ion exchanger
exchange resin
wall
Prior art date
Application number
PCT/JP2020/041575
Other languages
English (en)
Japanese (ja)
Inventor
純子 大平
吉田　知弘
慎吾 矢部
Original Assignee
トヨタ紡織株式会社
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 トヨタ紡織株式会社 filed Critical トヨタ紡織株式会社
Publication of WO2021095664A1 publication Critical patent/WO2021095664A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • 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

Definitions

  • This disclosure relates to an ion exchanger.
  • Vehicles such as automobiles equipped with fuel cells are provided with a cooling circuit for the purpose of suppressing the temperature rise of the fuel cells during power generation.
  • the cooling circuit is configured to flow a refrigerant for cooling the fuel cell.
  • an increase in the concentration of ions in the refrigerant may cause corrosion of metal parts in the cooling circuit, or increase the electric conductivity of the refrigerant, resulting in deterioration of the function of the fuel cell. Therefore, such a cooling circuit is provided with an ion exchanger that removes ions contained in the refrigerant through ion exchange by an ion exchange resin.
  • the ion exchanger includes a housing, a stay, and an ion exchange resin.
  • the housing has an inflow port through which the refrigerant flows in and an outflow port through which the refrigerant flows out.
  • the stay is fixed to the outer surface of the housing. Further, the stay is configured to be fixed to the vehicle.
  • the ion exchange resin is arranged in the housing. In the ion exchanger, the refrigerant flows into the housing through the inflow port.
  • the ion exchanger When the refrigerant flowing into the housing passes through the ion exchange resin, the ion exchanger removes the ions in the refrigerant by ion exchange with the ion exchange resin, and the refrigerant after the ions are removed is removed from the housing through the outlet. It is configured to be leaked.
  • some ion exchangers have a diversion portion provided in the housing.
  • the diversion section is configured to adjust the flow rate of the refrigerant passing through the ion exchange resin.
  • the diversion section is configured to divide the flow of the refrigerant flowing into the housing from the inflow port into a flow directly toward the outflow port and a flow toward the ion exchange resin.
  • the flow dividing portion is configured to allow the refrigerant that has passed through the ion exchange resin to flow to the outlet.
  • the rigidity of the portion of the housing corresponding to the diversion portion is increased. Therefore, depending on the positional relationship between the fixed portion of the stay and the diversion portion in the housing, the housing of the ion exchanger is less likely to be crushed when the ion exchanger receives a force due to the collision at the time of a vehicle collision.
  • the stay is fixed to the portion of the outer surface of the housing corresponding to the diversion portion inside the housing.
  • the force acts on the portion corresponding to the diversion portion in the housing with the stay, that is, the portion having high rigidity. Therefore, it is less likely that the housing of the ion exchanger will be crushed by the action of the above-mentioned force due to the collision.
  • the ion exchanger If the housing of the ion exchanger is not easily crushed during a vehicle collision, the ion exchanger will be largely displaced in the direction in which the force associated with the vehicle collision acts, and will be too close to other parts located in front of the vehicle in the above direction. There is a risk.
  • An object of the present disclosure is to provide an ion exchanger that can easily crush the housing when a force associated with a vehicle collision is applied.
  • the ion exchanger that solves the above problems includes a housing having an inlet for inflowing the refrigerant and an outlet for discharging the refrigerant, a stay configured to be fixed to the vehicle, and ions arranged in the housing. It is equipped with a replacement resin. The stay is fixed to the outer surface of the housing. When the refrigerant flowing into the housing through the inflow port passes through the ion exchange resin, the ion exchanger removes the ions in the refrigerant by ion exchange, and the refrigerant after the ions are removed is discharged from the housing. It is configured to be leaked through.
  • the ion exchanger includes a diversion portion provided in the housing.
  • the diversion section is configured to divide the flow of the refrigerant flowing in from the inflow port into a flow directly toward the outflow port and a flow toward the ion exchange resin, and the refrigerant that has passed through the ion exchange resin is separated. It is configured to flow to the outlet.
  • a space is formed between the diversion portion and the portion corresponding to the fixed position of the stay on the outer surface of the housing.
  • the rigidity of the portion of the housing corresponding to the space is suppressed to be low. Therefore, when the ion exchanger receives a force due to the collision at the time of a vehicle collision, the force is applied to the stay in the housing. When it acts on the part corresponding to the space, that part is effectively crushed, and the housing is liable to be crushed accordingly. Therefore, when a force due to a vehicle collision acts on the ion exchanger, the housing of the ion exchanger can be easily crushed.
  • FIG. 1 is a schematic view showing an overall configuration of a cooling circuit provided with an ion exchanger.
  • FIG. 2 is a perspective view showing an ion exchanger.
  • FIG. 3 is a cross-sectional view showing an ion exchanger.
  • FIG. 4 is a perspective view showing a separator.
  • FIG. 5 is a perspective view showing a separator.
  • FIG. 6 is a side view showing an ion exchanger.
  • the vehicle equipped with the fuel cell 1 is provided with a cooling circuit 2 through which a refrigerant for cooling the fuel cell 1 flows.
  • a refrigerant for cooling the fuel cell 1 flows.
  • the cooling circuit 2 has a pump 3 and is configured to circulate the refrigerant by driving the pump 3.
  • the fuel cell 1 is provided in a portion downstream of the pump 3.
  • a radiator 4 is provided in a portion downstream of the fuel cell 1 and upstream of the pump 3. Then, the fuel cell 1 whose temperature rises during power generation is cooled by the cooling water that circulates in the cooling circuit 2 and passes through the fuel cell 1. The refrigerant that has taken the heat of the fuel cell 1 and whose temperature has risen is cooled by the outside air when passing through the radiator 4, and then flows to the pump 3.
  • the cooling circuit 2 is provided with an ion exchanger 5 and a bypass pipe 6 for flowing a refrigerant through the ion exchanger 5.
  • the ion exchanger 5 is configured to adsorb ions contained in the refrigerant and remove them from the refrigerant.
  • One end of the bypass pipe 6 is connected to a portion of the cooling circuit 2 on the downstream side of the fuel cell 1 and on the upstream side of the radiator 4. Further, the other end of the bypass pipe 6 is connected to a portion of the cooling circuit 2 on the downstream side of the radiator 4 and on the upstream side of the pump 3.
  • the ion exchanger 5 is provided in the middle of the bypass pipe 6.
  • the cooling circuit 2 when the circulating refrigerant flows to the downstream side of the fuel cell 1, a part of the refrigerant flows into the bypass pipe 6 instead of flowing to the radiator 4 side.
  • the refrigerant that has flowed into the bypass pipe 6 in this way has ions removed when it passes through the ion exchanger 5, and then flows to a portion downstream of the radiator 4 and upstream of the pump 3 in the cooling circuit 2.
  • the ion exchanger 5 includes a cylindrical housing 7 that extends in the vertical direction and opens upward, and a cap 8 that closes the opening by screwing into the opening at the upper end of the housing 7. , Is equipped.
  • the housing 7 is formed with an inflow pipe 9 and an outflow pipe 10 connected to the inside of the housing 7.
  • the inflow pipe 9 is connected to a portion of the bypass pipe 6 (FIG. 1) on the upstream side of the ion exchanger 5.
  • the outflow pipe 10 is connected to a portion of the bypass pipe 6 on the downstream side of the ion exchanger 5.
  • the inflow pipe 9 and the outflow pipe 10 are integrally formed with the housing 7.
  • a plurality of stays 11 and 12 are fixed to the outer surface of the housing 7, specifically, the outer surface of the bottom portion (lower end portion) of the housing 7. These stays 11 and 12 are integrally formed with the bottom of the housing 7, so that the stays 11 and 12 are fixed to the bottom of the housing 7. Further, the stays 11 and 12 can be fixed to the vehicle. Then, by fixing the stays 11 and 12 to the vehicle, the ion exchanger 5 is attached to the vehicle.
  • an inflow port 7a for inflowing the refrigerant and an outflow port 7b for flowing out the refrigerant are provided at the lower end of the side wall of the housing 7.
  • the inflow port 7a is formed on one side (left side in FIG. 3) in the radial direction at the lower end of the side wall of the housing 7, and is connected to the inflow pipe 9.
  • the outflow port 7b is formed on the other side (right side in FIG. 3) in the radial direction at the lower end of the side wall of the housing 7, and is connected to the outflow pipe 10.
  • the cap 8 of the ion exchanger 5 includes a cylindrical body portion 8a that can be screwed into the opening at the upper end portion of the housing 7.
  • the body portion 8a is formed so as to extend in the vertical direction.
  • a male screw 15 is formed on the outer peripheral surface of the body portion 8a.
  • the male screw 15 can mesh with the female screw 14 formed on the inner peripheral surface of the opening of the housing 7. Then, when the male screw 15 of the body 8a is screwed into the female screw 14 of the housing 7, the outer peripheral surface of the body 8a is positioned along the inner peripheral surface of the housing 7, and the opening at the upper end of the housing 7 is opened by the cap 8. It is blocked.
  • a tube member 16 is provided so as to extend in the vertical direction inside the body portion 8a.
  • a ring portion 17 projecting in a direction orthogonal to the axis of the tube member 16 is formed at the upper end portion of the tube member 16.
  • a ring member 18 projecting in a direction orthogonal to the axis of the tube member 16 is detachably attached to the lower end portion of the tube member 16. Then, the outer peripheral portion of the ring portion 17 is fitted into the upper end portion of the inner peripheral surface of the cap 8, and the outer peripheral portion of the ring member 18 is fitted into the lower end portion of the inner peripheral surface of the cap 8 (body portion 8a).
  • the tube member 16 is assembled inside the cap 8. At this time, there is a gap of a predetermined size between the upper end of the tube member 16 and the ceiling surface (upper end of the inner surface) of the cap 8.
  • the ring portion 17 and the ring member 18 can each allow the refrigerant to pass in the vertical direction.
  • An ion exchange resin 19 is provided between the ring portion 17 and the ring member 18, and between the outer peripheral surface of the tube member 16 and the inner peripheral surface of the cap 8 (body portion 8a).
  • a mesh 20 is attached to the lower surface of the ring portion 17, and a mesh 21 is attached to the lower surface of the ring member 18.
  • the cap 8, the tube member 16, and the ion exchange resin 19 are cartridges. Therefore, by attaching or detaching the cap 8 to the housing 7, the ion exchange resin 19 can be replaced together with the cap 8 and the tube member 16 at the same time.
  • the tube member 16 is located inside the housing 7. Further, at this time, the outer peripheral surface of the body portion 8a of the cap 8 is in a state of being along the inner peripheral surface of the housing 7. Therefore, the ion exchange resin 19 existing between the inner peripheral surface of the body portion 8a and the outer peripheral surface of the tube member 16 is located between the outer peripheral surface of the tube member 16 and the inner peripheral surface of the housing 7.
  • a separator 22 separate from the housing 7 is provided at the inner lower end of the housing 7.
  • the separator 22 has a bottom wall 22a that vertically separates the inner lower end portion of the housing 7, and a tubular wall 22b that communicates a portion below the bottom wall 22a with the lower end portion of the tube member 16. Further, the separator 22 has a peripheral wall 22c connected to the outer edge of the bottom wall 22a. The peripheral wall 22c protrudes from the bottom wall 22a in the same direction as the cylinder wall 22b protrudes, and is in contact with the inner surface of the bottom portion of the housing 7. The separator 22 plays a role as a flow dividing portion.
  • the separator 22 is configured to divide the flow of the refrigerant flowing into the housing 7 from the inflow port 7a into a flow directly toward the outflow port 7b and a flow toward the ion exchange resin 19. Further, the separator 22 is configured to allow the refrigerant that has passed through the ion exchange resin 19 to flow to the outlet 7b.
  • the separator 22 partitions the portion above the bottom wall 22a as the first flow path 23.
  • the first flow path 23 allows the refrigerant flowing into the housing 7 from the inflow port 7a to flow directly to the outflow port 7b, while a part of the refrigerant flowing into the housing 7 from the inflow port 7a is transferred to the ion exchange resin 19. It is supposed to flow toward.
  • the refrigerant thus flowed toward the ion exchange resin 19 passes through the ion exchange resin 19 from bottom to top, then passes through the tube member 16 from top to bottom, and further enters the cylinder wall 22b of the separator 22. leak.
  • the separator 22 partitions a portion below the bottom wall 22a as a second flow path 24.
  • the second flow path 24 is connected to the tube member 16 via the tubular wall 22b of the separator 22. Therefore, among the refrigerants that have flowed into the housing 7 from the inflow port 7a, the second flow path 24 uses the refrigerant that has flowed toward the ion exchange resin 19 by the first flow path 23, that is, the ion exchange resin 19 from below.
  • the refrigerant that has passed through the tube member 16 from top to bottom after passing above is received through the cylinder wall 22b of the separator 22 and flows toward the outlet 7b.
  • the bottom wall 22a, the cylinder wall 22b, and the peripheral wall 22c function as walls for forming the first flow path 23 and the second flow path 24 for flowing the refrigerant.
  • the bottom wall 22a, the cylinder wall 22b, and the peripheral wall 22c are thinner than the wall of the housing 7 (the bottom wall 7c shown in FIG. 3 in this embodiment).
  • a notch 28 for communicating the inflow port 7a (FIG. 3) of the housing 7 and the first flow path 23 is formed in a portion on one side in the radial direction.
  • a through hole 29 for communicating the outlet 7b (FIG. 3) of the housing 7 and the first flow path 23 is formed in the other side portion in the radial direction.
  • the portion P1 of the bottom wall 22a corresponding to the notch 28 of the peripheral wall 22c has a curved shape. Specifically, the portion P1 gradually changes the direction of the flow of the refrigerant that has flowed horizontally into the first flow path 23 through the notch 28 toward the ion exchange resin 19, that is, upward in FIG. It has a curved shape to change. Further, a part of the refrigerant whose flow direction has been changed in this way is directed toward the through hole 29 in the first flow path 23 so as to go around the cylinder wall 22b along the peripheral wall 22c without flowing into the ion exchange resin 19. It flows to the outflow port 7b through the through hole 29.
  • the portion P2 of the bottom wall 22a that is connected to the inside of the tubular wall 22b also has a curved shape.
  • the portion P2 is for gradually changing the direction of the flow of the refrigerant flowing downward into the second flow path 24 through the inside thereof toward the outflow port 7b, that is, in the horizontal direction.
  • It has a curved shape so that it can be realized.
  • the portion P2 is formed so that the inner diameter gradually increases toward the lower side, whereby the portion P2 has a curved shape.
  • the stays 11 and 12, respectively, are fixed to the outer surface of the bottom portion (lower end portion) of the housing 7, and more specifically to the lower surface of the outer surface.
  • a space AR is formed between the bottom portion inside the housing 7 and the bottom wall 22a of the separator 22. And this space AR constitutes the second flow path 24. Therefore, inside the housing 7, a space AR (second flow path 24) is formed between the separator 22 and the portion corresponding to the fixed position of the stays 11 and 12 on the outer surface of the housing 7. Become.
  • the separator 22 flow dividing portion
  • the rigidity of the portion of the housing 7 corresponding to the separator 22 is increased. Therefore, when the ion exchanger 5 receives a horizontal force due to the collision at the time of a vehicle collision, the housing of the ion exchanger 5 depends on the positional relationship between the fixed portions of the stays 11 and 12 with respect to the housing 7 and the separator 22. 7 is less likely to be crushed.
  • the ion exchanger 5 exerts a horizontal force due to the collision when the vehicle collides.
  • the force acts on the portion of the housing 7 corresponding to the separator 22 between the stays 11 and 12. That is, the force acts on the highly rigid portion of the housing 7. Therefore, the housing 7 of the ion exchanger 5 is less likely to be crushed. If the housing 7 of the ion exchanger 5 is not easily crushed at the time of a vehicle collision, the ion exchanger 5 is largely displaced in the direction in which the force associated with the vehicle collision acts, and other parts located in front of the vehicle in the above direction. May get too close to.
  • the rigidity is suppressed low in the portion corresponding to the space AR inside the housing 7.
  • the space AR is located between the portion of the housing 7 corresponding to the separator 22 and the portion of the outer surface of the housing 7 corresponding to the fixed positions of the stays 11 and 12. Therefore, when the ion exchanger 5 receives a horizontal force due to the collision at the time of a vehicle collision, when the force acts on the portion of the housing 7 corresponding to the space AR, that portion is effectively crushed. As a result, the housing 7 is easily crushed.
  • the rigidity near the bottom portion of the housing 7 can be suppressed to a low level. ..
  • the stays 11 and 12 are fixed to the outer surface of the bottom of the housing 7, and the space AR is located between the fixed positions of the stays 11 and 12 with respect to the outer surface of the housing and the portion of the housing 7 corresponding to the separator 22. Is located. Therefore, when the ion exchanger 5 receives a horizontal force due to the collision at the time of a vehicle collision and the force acts on the portion of the housing 7 corresponding to the space AR, that portion is likely to be crushed.
  • the wall (bottom wall 22a) for forming the first flow path 23 and the second flow path 24 through which the refrigerant flows, and the refrigerant in the first flow path 23 and the second flow path 24 If there are corners in the portions P1 and P2 that change the direction of the flow, the rigidity of the diversion portion tends to increase due to the corners. However, since the portions P1 and P2 have a curved shape so as not to generate such an angle, the rigidity of the separator 22 can be suppressed to be low and the housing 7 can be easily crushed.
  • the bottom wall 22a, the cylinder wall 22b, and the peripheral wall 22c for forming the first flow path 23 and the second flow path 24 through which the refrigerant flows are larger than the wall (bottom wall 7c) of the housing 7. thin. Therefore, the rigidity of the separator 22 can be suppressed to a low level so that the housing 7 can be easily crushed.
  • the separator 22 is formed separately from the housing 7. Therefore, the bottom wall 22a, the cylinder wall 22b, and the peripheral wall 22c for forming the first flow path 23 and the second flow path 24 through which the refrigerant flows in the separator 22 can be easily made thinner than the wall of the housing 7.
  • the flow dividing portion may be integrally formed with the housing 7.
  • the bottom wall 22a, the cylinder wall 22b, and the peripheral wall 22c for forming the first flow path 23 and the second flow path 24 through which the refrigerant flows need not necessarily be thinner than the wall of the housing 7. Absent.
  • the portions P1 and P2 that change the direction do not necessarily have to have a curved shape, and may have a cornered shape.
  • the space AR does not necessarily have to be provided at the bottom inside the housing 7.
  • another stay may be provided and the number of stays may be three or more.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Fuel Cell (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

Un échangeur d'ions selon la présente invention comprend : un boîtier comprenant une entrée de flux et une sortie de flux ; un support configuré pour être fixé à un véhicule ; une résine échangeuse d'ions disposée à l'intérieur du boîtier ; et un diviseur de flux disposé à l'intérieur du boîtier. Le support est fixé à la surface extérieure du boîtier. Le diviseur de flux est configuré pour : diviser un flux de liquide de refroidissement, s'écoulant à travers l'entrée de courant, en un courant qui est directement dirigé vers la sortie de courant et un courant qui est dirigé vers la résine échangeuse d'ions ; et un agent de refroidissement de canal, qui a traversé la résine échangeuse d'ions, vers la sortie de courant. Un espace est formé à l'intérieur du boîtier entre le diviseur de flux et une partie correspondant à la position au niveau de laquelle le support est fixé à la surface externe du boîtier.
PCT/JP2020/041575 2019-11-12 2020-11-06 Échangeur d'ions WO2021095664A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-204566 2019-11-12
JP2019204566A JP2021074688A (ja) 2019-11-12 2019-11-12 イオン交換器

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WO2021095664A1 true WO2021095664A1 (fr) 2021-05-20

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PCT/JP2020/041575 WO2021095664A1 (fr) 2019-11-12 2020-11-06 Échangeur d'ions

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003249249A (ja) * 2002-02-22 2003-09-05 Toyo Roki Mfg Co Ltd 燃料電池用イオン除去フィルタ及び燃料電池用冷却システム
US20090233134A1 (en) * 2008-03-14 2009-09-17 Hobmeyr Ralph T J Ion exchange cartridge for fuel cell applications
JP2013233499A (ja) * 2012-05-08 2013-11-21 Toyota Motor Corp イオン交換器およびこれを含む燃料電池システム
JP2016110841A (ja) * 2014-12-05 2016-06-20 トヨタ紡織株式会社 燃料電池用イオン交換器及び燃料電池システム
JP2017176935A (ja) * 2016-03-28 2017-10-05 トヨタ自動車株式会社 イオン交換器
JP2018006203A (ja) * 2016-07-05 2018-01-11 豊田合成株式会社 イオン交換器
JP2018083145A (ja) * 2016-11-22 2018-05-31 豊田合成株式会社 イオン交換器
JP2019216051A (ja) * 2018-06-14 2019-12-19 トヨタ自動車株式会社 燃料電池車両

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003249249A (ja) * 2002-02-22 2003-09-05 Toyo Roki Mfg Co Ltd 燃料電池用イオン除去フィルタ及び燃料電池用冷却システム
US20090233134A1 (en) * 2008-03-14 2009-09-17 Hobmeyr Ralph T J Ion exchange cartridge for fuel cell applications
JP2013233499A (ja) * 2012-05-08 2013-11-21 Toyota Motor Corp イオン交換器およびこれを含む燃料電池システム
JP2016110841A (ja) * 2014-12-05 2016-06-20 トヨタ紡織株式会社 燃料電池用イオン交換器及び燃料電池システム
JP2017176935A (ja) * 2016-03-28 2017-10-05 トヨタ自動車株式会社 イオン交換器
JP2018006203A (ja) * 2016-07-05 2018-01-11 豊田合成株式会社 イオン交換器
JP2018083145A (ja) * 2016-11-22 2018-05-31 豊田合成株式会社 イオン交換器
JP2019216051A (ja) * 2018-06-14 2019-12-19 トヨタ自動車株式会社 燃料電池車両

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