JP6619094B2 - 負極用リード材および負極用リード材の製造方法 - Google Patents
負極用リード材および負極用リード材の製造方法 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims description 294
- 238000004519 manufacturing process Methods 0.000 title claims description 41
- 238000000137 annealing Methods 0.000 claims description 79
- 230000001590 oxidative effect Effects 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 239000000126 substance Substances 0.000 claims description 26
- 238000005096 rolling process Methods 0.000 claims description 21
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- 230000003647 oxidation Effects 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 16
- 238000005304 joining Methods 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 184
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 146
- 239000010949 copper Substances 0.000 description 133
- 238000003466 welding Methods 0.000 description 70
- 238000000034 method Methods 0.000 description 62
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 27
- 239000011889 copper foil Substances 0.000 description 21
- 238000009792 diffusion process Methods 0.000 description 17
- 238000005520 cutting process Methods 0.000 description 14
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 230000002265 prevention Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 238000005530 etching Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000005498 polishing Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000007769 metal material Substances 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 5
- 238000001336 glow discharge atomic emission spectroscopy Methods 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 4
- 239000012964 benzotriazole Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000007739 conversion coating Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 3
- 239000005751 Copper oxide Substances 0.000 description 3
- 239000010407 anodic oxide Substances 0.000 description 3
- 229910000431 copper oxide Inorganic materials 0.000 description 3
- 210000001787 dendrite Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 3
- 229910001947 lithium oxide Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- HEUUBWQOIYCBCI-UHFFFAOYSA-N 2h-benzotriazole;copper Chemical compound [Cu].C1=CC=CC2=NNN=C21 HEUUBWQOIYCBCI-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910018054 Ni-Cu Inorganic materials 0.000 description 1
- 229910018481 Ni—Cu Inorganic materials 0.000 description 1
- 229910001096 P alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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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
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/04—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Description
負極用リード材5は、図1に示すように、3つの金属層から構成されている。具体的には、負極用リード材5は、Cu層51と、Cu層の両面にそれぞれ接合された一対のNi層52および53とを備える3層構造のクラッド材50から構成されている。クラッド材50では、Z1側からZ2側に向かって、Ni層52、Cu層51およびNi層53がこの順に積層されている。
次に、図1〜図4を参照して、本発明の一実施形態による負極用リード材5を用いた電池100について説明する。
次に、図1および図5〜図8を参照して、本発明の一実施形態による負極用リード材5の製造方法について説明する。
まず、図1および図5を参照して、本発明の一実施形態による負極用リード材5の材料となるクラッド材50の製造方法について説明する。
次に、図1および図6〜図8を参照して、上記帯状のクラッド材50から本実施形態による負極用リード材5を作製する方法について説明する。
次に、図1〜図4を参照して、本発明の一実施形態による負極用リード材5を用いた電池の製造方法について説明する。
本実施形態では、以下のような効果を得ることができる。
次に、本発明の効果を確認するために行った実施例について説明する。この実施例では、実際に、Cu層51、Ni層52および53とを備える3層構造のクラッド材50を負極としてのCu箔に接合し、接合状態を観察した。
なお、今回開示された実施形態は、すべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は、上記した実施形態の説明ではなく特許請求の範囲によって示され、さらに特許請求の範囲と均等の意味および範囲内でのすべての変更(変形例)が含まれる。
50 クラッド材
50a、50b 側面(端面)
51 Cu層
51c、51d 側面(Ni層が接合されない面)
51e、51f 化成被膜
52、53 Ni層
52b、53b 表面(Cu層に接合されない面)
52c、53c 酸化被膜
151 Cu板
152、153 Ni板
202、205 焼鈍炉
Claims (7)
- 負極に溶接されるNi層を有する負極用リード材であって、
CuまたはCu合金からなるCu層と、NiまたはNi合金からなる前記Ni層と、を備えるクラッド材から構成され、
前記Ni層は、前記Cu層の両面にそれぞれ接合され、
前記Ni層の前記Cu層に接合されない面は、3.2nm以上8.0nm以下の厚みの酸化被膜を有する、負極用リード材。 - 前記クラッド材の曲げ応力は、500MPa以下である、請求項1に記載の負極用リード材。
- 前記Cu層の前記Ni層が接合されない面は、前記Cu層の酸化を抑制する化成被膜を有する、請求項1に記載の負極用リード材。
- 負極に溶接されるNi層を有する負極用リード材の製造方法であって、
CuまたはCu合金からなるCu板の両面に、NiまたはNi合金からなるNi板を配置した状態で、圧延接合を行うことによって、CuまたはCu合金からなるCu層の両面に、それぞれ、NiまたはNi合金からなる前記Ni層が接合されるクラッド材の構成とし、
構成した前記クラッド材に対して、非酸化雰囲気で焼鈍を行い、前記Ni層の前記Cu層に接合されない面に3.2nm以上8.0nm以下の厚みの酸化被膜を有する前記クラッド材を作製する、負極用リード材の製造方法。 - 露点温度を−20℃以下に設定した焼鈍炉内において、非酸化雰囲気で焼鈍を行う、請求項4に記載の負極用リード材の製造方法。
- 前記クラッド材を厚さ方向に切断し、切断した前記クラッド材に対して非酸化雰囲気で焼鈍を行う、請求項4に記載の負極用リード材の製造方法。
- 前記焼鈍を行った後に、前記クラッド材の幅方向の両端面に、前記Cu層の酸化を抑制する化成被膜を形成する、請求項4に記載の負極用リード材の製造方法。
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JP2016252314 | 2016-12-27 | ||
JP2016252314 | 2016-12-27 | ||
PCT/JP2017/046128 WO2018123865A1 (ja) | 2016-12-27 | 2017-12-22 | 負極用リード材および負極用リード材の製造方法 |
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US (1) | US10862096B2 (ja) |
JP (1) | JP6619094B2 (ja) |
CN (1) | CN110140236B (ja) |
WO (1) | WO2018123865A1 (ja) |
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WO2021166307A1 (ja) * | 2020-02-17 | 2021-08-26 | 日立金属株式会社 | クラッド材 |
DE102022100863A1 (de) | 2021-12-23 | 2023-06-29 | Skeleton Technologies GmbH | Verfahren zur Herstellung einer Engergiespeicherzelle |
WO2024135364A1 (ja) * | 2022-12-23 | 2024-06-27 | パナソニックエナジー株式会社 | 二次電池 |
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CN103928651B (zh) * | 2013-01-16 | 2016-10-19 | 徐卓辉 | 镶嵌复合金属结构极耳单体、排式极耳及制造方法 |
JP6149528B2 (ja) * | 2013-06-17 | 2017-06-21 | 住友電気工業株式会社 | リード部材 |
JP6592946B2 (ja) * | 2015-04-15 | 2019-10-23 | 日立金属株式会社 | 電池負極リード材用クラッド材および電池負極リード材用クラッド材の製造方法 |
JP6766330B2 (ja) | 2015-09-11 | 2020-10-14 | 日立金属株式会社 | 電池用リード材および電池用リード材の製造方法 |
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