JP6782844B2 - バッテリーモジュール - Google Patents
バッテリーモジュール Download PDFInfo
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- JP6782844B2 JP6782844B2 JP2019529254A JP2019529254A JP6782844B2 JP 6782844 B2 JP6782844 B2 JP 6782844B2 JP 2019529254 A JP2019529254 A JP 2019529254A JP 2019529254 A JP2019529254 A JP 2019529254A JP 6782844 B2 JP6782844 B2 JP 6782844B2
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- bus bar
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- 238000012546 transfer Methods 0.000 claims description 77
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 239000004020 conductor Substances 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000012777 electrically insulating material Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 description 36
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
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-
- H—ELECTRICITY
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- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H01M50/172—Arrangements of electric connectors penetrating the casing
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- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
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- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
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- H01M50/50—Current conducting connections for cells or batteries
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- H—ELECTRICITY
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
- H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
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- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
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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
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
ここで、前記第1ケース401は、内部に空いた空間が形成されてセルアセンブリ100の一部を収容するように構成される。また、前記第2ケース402は、内部に空いた空間が形成されてセルアセンブリ100の他の一部を収容するように構成される。さらに、第1ケース401と第2ケース402は、それぞれの缶型二次電池を収容するための空間を別に備えることができる。例えば、第1ケース401は、図2にR1で示されたように、それぞれの二次電池を収容するための空間を、隔壁によって互いに分離された形態で備えることができる。また、第2ケース402も、図2にR2で示されたように、それぞれの二次電池を収容するための空間を、隔壁によって互いに分離された形態で備えることができる。
また、第1ケース401と正極バスバー201とも、このような第2ケース402の突出部及び負極バスバー202の結合孔と類似した形態の突出部及び結合孔を備え、相互結合され得る。
図12は本発明の他の実施例によるバッテリーモジュールの構成を概略的に示した斜視図であり、図13は図12のA4部分の正断面形状を拡大して示した図である。また、図14は、図12のバッテリーモジュールが多数連結された構成を概略的に示した図である。本実施例においては、上述した実施例と異なる部分を主に説明して、上述した実施例に対する説明が同一または類似に適用され得る部分については詳細な説明を省略する。
図12〜図14を参照すれば、端子部230は、モジュールケース400の上部に突出してから少なくとも一部分が水平方向に延びるように折り曲げられる形態で構成され得る。特に、図13を参照すれば、端子部230はモジュールケース400の外側に取り付けられた連結部210から上方に延びてから、A5で示された部分から略直角に折り曲げられて水平方向に延びる形態で構成され得る。この場合、端子部230は、図13にJで示された部分のように、モジュールケース400の上面から上方に所定距離離隔して突出した状態で、地面と平行に水平方向に扁平に形成された部分を備えることができる。
100:セルアセンブリ
110:二次電池
200:バスバー
201:正極バスバー、202:負極バスバー
210:連結部、220:熱伝達部、230:端子部
300:サーマルパッド
400:モジュールケース
401:第1ケース、402:第2ケース
510:正極用連結部材、520:負極用連結部材
Claims (11)
- 放熱部材が下部に配置されたバッテリーモジュールにおいて、
水平方向に横設された形態で積層された多数の缶型二次電池を備えるセルアセンブリ;並びに
前記セルアセンブリに備えられた2つ以上の缶型二次電池の電極に接触し、前記2つ以上の缶型二次電池同士の間を電気的に連結する連結部、及び前記連結部の下部に位置し、前記放熱部材と接触して前記缶型二次電池の熱を前記放熱部材に伝達する熱伝達部を備え、少なくとも一部分が電気伝導性材質で構成されたバスバー;を含み、
前記バスバーは、外部構成要素との電気的連結のための端子を提供する端子部をさらに備え、
前記端子部は、前記連結部の上部で前記セルアセンブリの上部方向に折り曲げられた形態で構成されたことを特徴とするバッテリーモジュール。 - 放熱部材が下部に配置されたバッテリーモジュールにおいて、
水平方向に横設された形態で積層された多数の缶型二次電池を備えるセルアセンブリ;並びに
前記セルアセンブリに備えられた2つ以上の缶型二次電池の電極に接触し、前記2つ以上の缶型二次電池同士の間を電気的に連結する連結部、及び前記連結部の下部に位置し、前記放熱部材と接触して前記缶型二次電池の熱を前記放熱部材に伝達する熱伝達部を備え、少なくとも一部分が電気伝導性材質で構成されたバスバー;を含み、
前記バスバーは、外部構成要素との電気的連結のための端子を提供する端子部をさらに備え、
前記端子部は、1つのバスバーにおいて互いに所定距離離隔して2つ以上備えられたことを特徴とするバッテリーモジュール。 - 放熱部材が下部に配置されたバッテリーモジュールにおいて、
水平方向に横設された形態で積層された多数の缶型二次電池を備えるセルアセンブリ;並びに
前記セルアセンブリに備えられた2つ以上の缶型二次電池の電極に接触し、前記2つ以上の缶型二次電池同士の間を電気的に連結する連結部、及び前記連結部の下部に位置し、前記放熱部材と接触して前記缶型二次電池の熱を前記放熱部材に伝達する熱伝達部を備え、少なくとも一部分が電気伝導性材質で構成されたバスバー;を含み、
内部に空いた空間が形成されて前記セルアセンブリの一部を収容する第1ケース、及び内部に空いた空間が形成されて前記セルアセンブリの他の一部を収容する第2ケースを備え、前記第1ケースと前記第2ケースが前記セルアセンブリの一側と他側でそれぞれ結合されるように構成されたモジュールケースをさらに含むことを特徴とするバッテリーモジュール。 - 前記バスバーは、前記モジュールケースの外側に取り付けられたことを特徴とする請求項3に記載のバッテリーモジュール。
- 前記モジュールケースには、前記バスバーの少なくとも一部分を挿入可能な結合溝が形成されたことを特徴とする請求項3に記載のバッテリーモジュール。
- 前記バスバーは、折り曲げられたプレート状で構成され、前記連結部は前記セルアセンブリの一側面に沿って上下方向に立設された形態で構成され、前記熱伝達部は水平方向に横設された形態で構成され、前記セルアセンブリの下部と前記放熱部材の上部との間に介在されたことを特徴とする請求項1〜5のいずれか一項に記載のバッテリーモジュール。
- 前記バスバーは、前記セルアセンブリに備えられた缶型二次電池の正極に連結部が接触された正極バスバー、及び前記セルアセンブリに備えられた缶型二次電池の負極に連結部が接触された負極バスバーを備えることを特徴とする請求項1〜6のいずれか一項に記載のバッテリーモジュール。
- 前記正極バスバーと前記負極バスバーは、前記セルアセンブリの反対側面に位置して、前記熱伝達部が相互逆方向に折り曲げられた形態で構成されたことを特徴とする請求項7に記載のバッテリーモジュール。
- 前記正極バスバーと前記負極バスバーは、1つの放熱部材に接触され、
前記バッテリーモジュールは、前記正極バスバー及び前記負極バスバーの少なくとも1つと前記放熱部材との間に介在されて前記バスバーの熱を前記放熱部材に伝達し、電気絶縁材質で構成されたサーマルパッドをさらに含むことを特徴とする請求項7に記載のバッテリーモジュール。 - 請求項1〜請求項9のうちいずれか一項に記載のバッテリーモジュールを1つ以上含むバッテリーパック。
- 請求項1〜請求項9のうちいずれか一項に記載のバッテリーモジュールを1つ以上含む自動車。
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