JP2019517095A - 電池ケース用の鋼板の製造方法、およびその方法により製造される電池ケース - Google Patents
電池ケース用の鋼板の製造方法、およびその方法により製造される電池ケース Download PDFInfo
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
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- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
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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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
- H01M50/1243—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure characterised by the internal coating on the casing
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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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
- H01M50/1245—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure characterised by the external coating on the casing
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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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
- H01M50/126—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers
- H01M50/128—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers with two or more layers of only inorganic material
-
- 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
- H01M50/543—Terminals
- H01M50/545—Terminals formed by the casing of the cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
-
- 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
Abstract
Description
ニッケルは、一次アルカリ電池中に存在するアルカリ性溶液の存在下で、ニッケルの導電性を低下させる酸化ニッケル層(β−Ni(OH)2、すなわち絶縁性酸化ニッケルを形成する傾向があり、またこの絶縁層の存在は、一次アルカリ電池の「時効」を引き起こすこと、
ニッケル被覆鋼にコバルトなどの一部の遷移金属を添加すると、酸化コバルトはより安定であり、ニッケル酸化物をより多く伝導するため、導電性が向上し、内部抵抗が低減し、時効効果が低減する。しかし、これらの金属は高価であり、また毒性がある場合があること、そして毒性の金属イオンが高濃度で存在する場合には、電池の廃棄時に特別な注意が必要であること、
電池の加工には、深絞り加工を行う必要があり、この加工には、湿式潤滑剤が必要不可欠であること。深絞りの後に、電池ケースをアルカリ溶液で洗浄して、使用した潤滑剤を除去する必要があり、これは更なるコストをもたらす余分な工程であること、
という問題が存在する。
Niめっき鋼板または鋼帯を準備すること、
Niめっき鋼板または鋼帯上にグラフェン系被覆を適用すること、
を含む、電池ケース用の鋼板または鋼帯の製造方法を提供することにより実現される。
Niめっき鋼板または鋼帯を筐体内に入れること、
前記筐体の内容物を加熱すること、
前記筐体へグラフェン前駆体を供給すること、
を含む。
Niめっき鋼板または鋼帯を準備すること、
Niめっき鋼板または鋼帯を筐体内に入れること、
前記筐体の内容物を加熱すること、
前記筐体へグラフェン前駆体を供給すること、
前記鋼板または鋼帯を冷却すること、
前記鋼板または鋼帯から、プレートまたはディスクを切り出すこと、
を含み、前記プレートまたは前記ディスクの引抜き操作は、引抜き潤滑剤を前記鋼板もしくは前記鋼帯、またはそこから切り出した前記プレートおよび/もしくはディスク上へ適用せずに、実施する。
潤滑剤有りの試料についての潤滑性は、亀裂がドームの厳密に頂上から形成しなかったため、最適ではなかった。
試料上の渦模様は、ボールの何らかの回転摩擦を示し、おそらく結果に影響する。
グラフェン試料の亀裂形成は、被覆無しで潤滑剤有りの試料よりも頂上に近くで生じ、高レベルの潤滑性(低い摩擦係数)を示している。
Claims (18)
- Niめっき鋼板または鋼帯を準備すること、
前記Niめっき鋼板または鋼帯上にグラフェン系被覆を適用すること、
を含むことを特徴とする、電池ケース用の鋼板または鋼帯の製造方法。 - 前記グラフェン系被覆層は化学気相蒸着により適用される、請求項1に記載の方法。
- 前記Niめっき鋼板または鋼帯を筐体内に入れること、
前記筐体の内容物を加熱すること、
前記筐体へグラフェン前駆体を供給すること、
を含む、請求項2に記載の方法。 - 前記グラフェン前駆体は固体または気体を含む炭素である、請求項3に記載の方法。
- 前記グラフェン前駆体は、アセチレン、メタンおよびエチレンガスからなる群から選択される一種以上の気体である、請求項3または4に記載の方法。
- 前記Niめっき鋼板または鋼帯を、400〜750℃の範囲、好ましくは500〜750℃の範囲、より好ましくは600〜750℃の範囲の温度まで前記筐体内で加熱する、請求項3〜5のいずれか一項に記載の方法。
- 前記筐体中の雰囲気は、不活性ガス、または窒素ガス、または水素ガスおよび窒素ガスの混合物、または水素ガスおよび不活性ガスの混合物を含む、請求項3〜6のいずれか一項に記載の方法。
- 水素および/またはアセチレンの濃度レベルは、1.0%〜5.0%の水素および/または0.5%〜2.5%のアセチレンの範囲、典型的には、1.3%〜3.5%の水素および/または0.65%〜1.7%のアセチレンの範囲に維持される、請求項3〜7のいずれか一項に記載の方法。
- 前記グラフェン系被覆層を、前記筐体内において、0.7〜2barの大気圧に近い圧力範囲内の圧力で適用する、請求項3〜8のいずれか一項に記載の方法。
- 前記鋼板または鋼帯上の前記グラフェン被覆層についての化学気相蒸着成長時間は、5〜900秒の範囲、好ましくは5〜400秒の範囲、より好ましくは5〜100秒の範囲、さらにより好ましくは5〜20秒の範囲である、請求項3〜9のいずれか一項に記載の方法。
- 前記グラフェン系被覆層を、焼鈍炉で前記Niめっき鋼板または鋼帯へ適用する、請求項2〜10のいずれか一項に記載の方法。
- 前記焼鈍炉は連続焼鈍炉である、請求項11に記載の方法。
- 前記方法は、前記グラフェン系被覆層の蒸着の後、調質圧延工程を含む、請求項1〜12のいずれか一項に記載の方法。
- 前記電池ケースの内側表面に対応する前記鋼板の面にNi被覆層および前記Ni被覆層の上に所望によりCo層を備え、反対側にNi被覆層を備える、Niめっき鋼板または工程を提供する、請求項1〜13のいずれか一項に記載の方法。
- 少なくとも前記電池ケースの内側表面に対応する前記鋼板の面で、前記鋼板はグラフェン系被覆層が施される、電池ケース用Niめっき鋼板。
- 前記電池ケースの内側表面に対応する前記鋼板の面にNi被覆層を備え、反対側にNii被覆層および前記Ni被覆層の上に所望によりCo層を備える、Niめっき鋼板または鋼帯を提供する、請求項13に記載の方法。
- Niめっき鋼板または鋼帯を準備すること、
前記Niめっき鋼板または鋼帯を筐体内へ入れること、
前記筐体の内容物を加熱すること、
前記筐体へグラフェン前駆体を供給すること、
前記鋼板または鋼帯を冷却すること、
前記鋼板または鋼帯から、プレートまたはディスクを切り出すこと、
を含み、
前記プレートまたはディスクの引抜き操作を、前記鋼板もしくは前記鋼帯、またはそこから切り出した前記プレートおよび/もしくはディスク上へ、引抜き潤滑剤を適用せずに実施する、電池ケースの製造方法。 - 前記方法は、前記グラフェン系被覆層の蒸着後に、調質圧延する工程を含む、請求項15に記載の方法。
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CN109530527A (zh) * | 2018-12-05 | 2019-03-29 | 常德力元新材料有限责任公司 | 一种冲孔镀镍钢带的制备方法 |
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