JP7444357B2 - 表面粗度が改善された円筒型電池ケースの製造方法 - Google Patents
表面粗度が改善された円筒型電池ケースの製造方法 Download PDFInfo
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- 230000003746 surface roughness Effects 0.000 title claims description 39
- 238000004519 manufacturing process Methods 0.000 title claims description 36
- 230000008569 process Effects 0.000 claims description 79
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 2
- 238000005260 corrosion Methods 0.000 description 36
- 230000007797 corrosion Effects 0.000 description 36
- 239000000463 material Substances 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 18
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- 239000010410 layer Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000010409 ironing Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
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- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- H01M10/0422—Cells or battery with cylindrical casing
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
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- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B21D22/20—Deep-drawing
- B21D22/30—Deep-drawing to finish articles formed by deep-drawing
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
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- H—ELECTRICITY
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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
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
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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
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/145—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against corrosion
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- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- H01M2220/00—Batteries for particular applications
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- H—ELECTRICITY
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- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
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- Metallurgy (AREA)
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Description
本発明による円筒型二次電池を製造するために、ニッケルメッキされた母材をブランキング及びドローイングする段階(#1)、前記母材をアイドル(Idle)する段階を有することができる。前記母材をドローイングして母材を形成するドローイング段階(ドローイング工程4回進行)(#4~#7)、前記母材をドローイング及びボディーアイオニングする段階(#8)、前記母材をドローイングする段階(#9)、前記母材を段差ドローイングする段階(#10)、前記母材にテーパー及びフランジを形成する段階(#11)、前記母材にベントを形成する段階(#12)、及び前記母材をトリミングする段階(#13)によって円筒型電池ケースを製造した。
前記実施例1で、前記段階(#8)のアイオニング過程は母材の厚さを0.08mm減らす過程からなり、前記段階(#10)でボディーアイオニング段階を省略したことを除き、前記実施例1と同様な過程で円筒型電池ケースを製造した。
前記実施例1及び比較例2で製造された円筒型電池ケースを用いて耐食性テストを進行した。
前記比較例1で、前記段階(#8)のアイオニング過程は母材の厚さを0.15mm減らす過程からなる点を除き、前記比較例1と同様な過程で円筒型電池ケースを製造した。
前記比較例1で、前記段階(#8)のアイオニング過程は母材の厚さを0.05mm減らす過程からなる点を除き、前記比較例1と同様な過程で円筒型電池ケースを製造した。
前記実施例1、比較例2及び比較例3で製造された円筒型電池ケースの表面粗度を測定するために、Mitutoyo社の表面粗度測定器であるSJ-411を用いた。表面粗度として、Ra及びRzを測定し、前記円筒型電池ケースの中央部4mm区間を縦方向に測定した。表面粗度の測定規格はISO 4287:1997を基準にした。
Claims (8)
- 電池ケースの胴体の外径形成のためのディープドローイング(Deep drawing)加工の際、アイオニング(Ironing)加工を複数回実施する円筒型電池ケースの製造方法であって、
電池ケースの胴体を形成するための1次ディープドローイング加工の際に1次アイオニング加工を実施し、
前記電池ケースの胴体を形成するための2次ディープドローイング加工を施し、
電池ケースの胴体の段差を形成するための3次ディープドローイング加工の際に2次アイオニング加工を実施し、
前記電池ケースは、少なくとも一面にニッケルメッキ層(錫が含まれているニッケルメッキ層を除く。)が形成されている鋼板から形成され、
複数回実施する前記アイオニング加工の後、各回毎の前記アイオニング加工による前記電池ケースの厚さ減少は一定である、円筒型電池ケースの製造方法。 - 前記2次アイオニング加工後の電池ケースの表面粗度(Ra)は0.1μm以下である、請求項1に記載の円筒型電池ケースの製造方法。
- 鋼板の少なくとも一面にニッケルメッキ層(錫が含まれているニッケルメッキ層を除く。)を形成する第1段階と、
前記第1段階の鋼板を還元雰囲気の下で熱処理する第2段階と、
前記第2段階の鋼板をブランキング(Blanking)及びドローイング加工する第3段階と、
前記第3段階の鋼板を電池ケースの胴体の形成のための1次ディープドローイング及び1次アイオニング加工する第4段階と、
前記第4段階の鋼板を電池ケースの胴体の形成のための2次ディープドローイング加工する第5段階と、
前記第5段階の前記胴体に段差形成のための3次ディープドローイング及び2次アイオニング加工する第6段階と、
前記第6段階の前記胴体にテーパー及びフランジを形成する第7段階と、を含み、
複数回実施するアイオニング加工の後、各回毎の前記アイオニング加工による電池ケースの厚さ減少は一定である、円筒型電池ケースの製造方法。 - 前記1次アイオニング加工後の電池ケースの表面粗度(Ra)は0.2μm以下である、請求項3に記載の円筒型電池ケースの製造方法。
- 前記2次アイオニング加工後の電池ケースの表面粗度(Ra)は0.1μm以下である、請求項3または4に記載の円筒型電池ケースの製造方法。
- 請求項1~5のいずれか一項に記載の円筒型電池ケースの製造方法で電池ケースを製造する段階を含む、二次電池の製造方法。
- 請求項6に記載の二次電池の製造方法により二次電池を製造する段階を含む、デバイスの製造方法。
- 前記デバイスは、電子機器、電気自動車、ハイブリッド自動車及び電力貯蔵装置からなる群から選択される、請求項7に記載のデバイスの製造方法。
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PCT/KR2018/012565 WO2019083254A1 (ko) | 2017-10-23 | 2018-10-23 | 표면조도를 개선한 원통형 전지케이스 제조방법 |
KR1020180126665A KR102252386B1 (ko) | 2017-10-23 | 2018-10-23 | 표면조도를 개선한 원통형 전지케이스 제조방법 |
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Citations (3)
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JP2001155698A (ja) | 1999-11-29 | 2001-06-08 | Nec Mobile Energy Kk | 密閉型電池 |
WO2006137403A1 (ja) | 2005-06-22 | 2006-12-28 | Matsushita Electric Industrial Co., Ltd. | 電池缶およびその製造方法 |
JP2008311198A (ja) | 2007-06-18 | 2008-12-25 | Panasonic Corp | 電池缶およびそれを備えた電池 |
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JP3105785B2 (ja) * | 1996-05-20 | 2000-11-06 | 東洋鋼鈑株式会社 | 側壁薄肉化金属缶 |
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2018
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- 2018-10-23 KR KR1020180126665A patent/KR102252386B1/ko active IP Right Grant
- 2018-10-23 CN CN202310732830.2A patent/CN116742102A/zh active Pending
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- 2018-10-23 JP JP2019556978A patent/JP7444357B2/ja active Active
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JP2001155698A (ja) | 1999-11-29 | 2001-06-08 | Nec Mobile Energy Kk | 密閉型電池 |
WO2006137403A1 (ja) | 2005-06-22 | 2006-12-28 | Matsushita Electric Industrial Co., Ltd. | 電池缶およびその製造方法 |
JP2008311198A (ja) | 2007-06-18 | 2008-12-25 | Panasonic Corp | 電池缶およびそれを備えた電池 |
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EP3648192A1 (en) | 2020-05-06 |
US20200335736A1 (en) | 2020-10-22 |
KR20190045082A (ko) | 2019-05-02 |
KR102252386B1 (ko) | 2021-05-14 |
CN110506344A (zh) | 2019-11-26 |
JP2020518101A (ja) | 2020-06-18 |
CN116742102A (zh) | 2023-09-12 |
CN110506344B (zh) | 2023-07-14 |
EP3648192A4 (en) | 2020-07-15 |
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