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1. WO2014103528 - FUEL CELL STACK

Publication Number WO/2014/103528
Publication Date 03.07.2014
International Application No. PCT/JP2013/080231
International Filing Date 08.11.2013
Chapter 2 Demand Filed 14.03.2014
IPC
H01M 8/02 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
H01M 8/10 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
10Fuel cells with solid electrolytes
CPC
F28D 2021/0043
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
21Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
0043for fuel cells
F28D 9/005
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
9Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
0031the conduits for one heat-exchange medium being formed by paired plates touching each other
0043the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
005the plates having openings therein for both heat-exchange media
F28F 2240/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
2240Spacing means
F28F 2265/26
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
2265Safety or protection arrangements; Arrangements for preventing malfunction
26for allowing differential expansion between elements
H01M 2008/1095
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
10Fuel cells with solid electrolytes
1095Fuel cells with polymeric electrolytes
H01M 8/0206
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
0204Non-porous and characterised by the material
0206Metals or alloys
Applicants
  • 日産自動車株式会社 NISSAN MOTOR CO., LTD. [JP]/[JP]
  • 日本発條株式会社 NHK SPRING CO., LTD. [JP]/[JP]
Inventors
  • 福山 陽介 FUKUYAMA, Yosuke
  • 入月 桂太 IRITSUKI, Keita
  • 寺田 雄亮 TERADA, Yusuke
  • 田島 典拓 TAJIMA, Norihiro
Agents
  • 的場 基憲 MATOBA, Motonori
Priority Data
2012-28231026.12.2012JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) FUEL CELL STACK
(FR) ASSEMBLAGE DE PILES À COMBUSTIBLE
(JA) 燃料電池スタック
Abstract
(EN) A fuel cell stack (FS) configured by laminating a plurality of single cells (C), each formed by sandwiching a membrane-electrode assembly (1) with a pair of separators (2), has a coolant flow path (F) formed between adjacent single cells (C) for allowing coolant flow and a displacement absorption member (5) that is disposed within the coolant flow path (F) for absorbing a displacement generated between the single cells (C). The displacement absorption member (5) is provided with a flow path resistance reduction means (16, 36) for reducing a flow path resistance of the coolant in the coolant flow path (F) such that a pressure loss in the coolant flow path (F) is reduced while maintaining the spring characteristics of the displacement absorption member (5).
(FR) L'invention concerne un assemblage de piles à combustible (FS) qui est configuré par stratification d'une pluralité de cellules simples (C) constituées par enserrement d'un corps de liaison d'électrode à membrane (1) dans une paire de séparateurs (2). Un trajet d'écoulement de liquide de refroidissement (F) dans lequel s'écoule un liquide de refroidissement, est formé entre deux cellules simples (C) adjacentes, et l'assemblage de piles à combustible (FS) est équipé d'un élément d'absorption de déplacement (5) disposé à l'intérieur de ce trajet d'écoulement de liquide de refroidissement (F) et absorbant les déplacements entre les cellules simples (C). L'élément d'absorption de déplacement (5) est équipé de moyens de réduction de résistance de trajet d'écoulement (16, 36) réduisant la résistance de trajet d'écoulement du liquide de refroidissement dans le trajet d'écoulement de liquide de refroidissement (F), préserve des capacités de ressort de l'élément d'absorption de déplacement (5), et réduit les pertes de pression du trajet d'écoulement de liquide de refroidissement (F).
(JA)  膜電極接合体1を一対のセパレータ2で挟持して成る単セルCを複数枚積層して構成される燃料電池スタックFSであって、隣接する単セルC同士の間に、冷却液を流通させる冷却液流路Fを形成すると共に、この冷却液流路F内に配置して単セルC間の変位を吸収する変位吸収部材5を備えており、変位吸収部材5が、冷却液流路Fにおける冷却液の流路抵抗を低減する流路抵抗低減手段(16,36)を備えた構成とし、変位吸収部材5のばね特性を維持しつつ、冷却液流路Fの圧力損失を低減する。
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