KR102227668B1 - 라미네이팅 방법 - Google Patents
라미네이팅 방법 Download PDFInfo
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- KR102227668B1 KR102227668B1 KR1020167015118A KR20167015118A KR102227668B1 KR 102227668 B1 KR102227668 B1 KR 102227668B1 KR 1020167015118 A KR1020167015118 A KR 1020167015118A KR 20167015118 A KR20167015118 A KR 20167015118A KR 102227668 B1 KR102227668 B1 KR 102227668B1
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- 238000010030 laminating Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 47
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000002033 PVDF binder Substances 0.000 claims description 12
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 229910013716 LiNi Inorganic materials 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000006230 acetylene black Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000006231 channel black Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 239000006232 furnace black Substances 0.000 claims description 4
- 239000010954 inorganic particle Substances 0.000 claims description 4
- 239000006233 lamp black Substances 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000006234 thermal black Substances 0.000 claims description 4
- 239000002931 mesocarbon microbead Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910015645 LiMn Inorganic materials 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 239000004071 soot Substances 0.000 claims 2
- 239000007773 negative electrode material Substances 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006182 cathode active material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
Description
도 2a는 제1 라미네이팅 유닛으로부터 수득될 수 있는 다층 라미네이팅된 요소의 섹션을 도시하는 도면.
도 2b는 도 1의 장치에 의해 수득될 수 있는 모노셀의 섹션의 도면.
도 3은 모노셀의 제2 예시를 형성하도록 구성된 도 1의 장치의 도식적인 도면.
도 4는 도 5의 장치에 의해 수득될 수 있는 모노셀의 제2 예시의 섹션의 도면.
도 5는 리튬-이온 전기 에너지 축적 장치용 2-셀을 형성하기 위하여 사용된 도 1의 장치의 버전의 도식적 도면.
도 6은 도 5의 장치에 따라 수득될 수 잇는 2-셀의 도식적 섹션의 도면.
Claims (16)
- 리튬 이온 전력 축적 장치용 셀(10, 10', 20)을 형성하는 방법으로서,
2개의 분리 요소(13) 및 제1 전극(12)을 포함하는 제1 장치(11)를 형성하는 단계 - 전극(12)은 2개의 분리 요소(13)들 사이에 개재됨 - ,
제1 장치(11)를 제1 온도로 가열하는 단계,
제1 장치(11)를 가열하는 단계 이후에 제1 압축력이 인가되는 제1 장치(11)를 라미네이팅하는 단계 중에 다층 라미네이팅된 요소(14)를 수득하기 위하여 상기 제1 장치(11)를 라미네이팅하는 단계,
다층 라미네이팅된 요소(14)와 제2 전극(16)을 포함하는 제2 장치(15)를 형성하는 단계,
제1 온도 미만의 제2 온도로 제2 장치(15)를 가열하는 단계,
제2 장치(15)를 가열하는 단계 이후에 제2 압축력이 인가되는 제2 장치(15)를 라미네이팅하는 단계 중에 셀(10, 10', 20)을 수득하기 위하여 상기 제2 장치(15)를 라미네이팅하는 단계를 포함하는 방법. - 제1항에 있어서, 상기 제1 온도는 50°C 내지 200 °C인 방법.
- 제1항 또는 제2항에 있어서, 상기 제1 압축력은 700 N 내지 3000 N인 방법.
- 제1항에 있어서, 상기 제2 온도는 30°C 내지 180 °C인 방법.
- 제1항에 있어서, 상기 제2 압축력은 600 N 내지 2800 N인 방법.
- 제1항에 있어서, 제1 장치(11)는 제1 가열 수단(6)에 의해 제1 온도로 가열되고 상기 제2 장치(15)는 제2 가열 수단(7)에 의해 제2 온도로 가열되는 방법.
- 제1항에 있어서, 제1 장치(11)를 형성하는 상기 단계에서 전극(12)이 2개의 분리 요소(13)에 대해 라미네이팅되지 않고 상기 2개의 분리 요소(13)들 사이에 개재되는 방법.
- 제1항에 있어서, 상기 제1 장치(11)는 롤러 타입의 제1 라미네이팅 유닛(2)에 의해 라미네이팅되고 상기 제2 장치(15)는 롤러 타입의 제2 라미네이팅 유닛(3)에 의해 라미네이팅되는 방법.
- 제1항에 있어서, 상기 제1 전극(12)은 양극(A)이고 상기 제2 전극(16)은 음극(C)인 방법.
- 제1항에 있어서, 제1 전극(12)은 전류 수집기 층(A2)과 양극 층(A1)을 포함하는 단일-코팅된 음극(C)이고, 10 마이크로미터 내지 100 마이크로미터의 두께를 가질 수 있는 상기 양극 층(A1)은:
-흑연 MCMB 메소카본(mesocarbon) 마이크로-비드, Li4Ti5012;
-카본 블랙, 램프블랙, 퍼니스 블랙(furnace black), 채널 블랙(channel black), 써멀 블랙(thermal black), 아세틸렌 블랙, 수트(soot)로 구성된 군으로부터 선택된 재료를 포함할 수 있는 전기 전도성 재료;
-1-메틸-2-피롤리돈, 폴리비닐리덴 플루오라이드(PVDF)로 구성된 군으로부터 선택된 재료를 포함할 수 있는 결합제를 포함하고,
전류 수집기 층(A2)은 8 마이크로미터 내지 12 마이크로미터의 두께를 갖는 구리의 시트를 포함하는 방법. - 제1항에 있어서, 제2 전극(16)은 전류 수집기 층(C2)과 음극 층(C1)을 포함하는 단일-코팅된 음극(C)이고, 10 마이크로미터 내지 100 마이크로미터의 두께를 가질 수 있는 상기 음극 층(C1)은:
-LiCo02, LiNi02, LiMn204, LiMxMn2-x04(0<x<1), LiNi1-yCoy02(0<y<1), LiNiyMnzCo1-y-z02(0<y<1 및 0<z<1 및 y+z<1), xLi2Mn03 '(1-x)LiM02(0<x<1) 및 M = Ni, Co 또는 Cr, Li(Ni1-y-zCoyAlz)02(0<y<1 및 0<z<1 및 y+z<1), LiMP04(M = Mn 또는 Co), 및 LiFeP04로 구성된 군으로부터 선택된 재료를 포함할 수 있는 활성 음극 재료,
-카본 블랙, 램프블랙, 퍼니스 블랙, 채널 블랙, 써멀 블랙, 아세틸렌 블랙, 수트로 구성된 군으로부터 선택된 재료를 포함할 수 있는 전기 전도성 재료;
-1-메틸-2-피롤리돈, 폴리비닐리덴 플루오라이드(PVDF)로 구성된 군으로부터 선택된 재료를 포함할 수 있는 결합제를 포함하고,
전류 수집기 층(C2)은 15 마이크로미터 내지 25 마이크로미터의 두께를 선택적으로 가질 수 있는 알루미늄 시트를 포함하는 방법. - 제11항에 있어서, 상기 제1 전극(12)은 2개의 양극 층(A1)들 사이에 개재된 상기 전류 수집기 층(A2)을 포함하는 이중-코팅된 양극(A)을 포함하고, 상기 제2 전극(16)은 2개의 음극 층(C1)들 사이에 개재된 전류 수집기 층(C2)을 포함하는 이중-코팅된 음극(C)을 포함하는 방법.
- 제1항에 있어서, 각각의 상기 2개의 분리 요소(13)는 무기 입자가 로딩될 수 있는 미공성 중합체 시트의 하나 이상의 층을 포함하고, 미공성 중합체 시트의 하나 이상의 층은:
-폴리프로필렌(PP), 폴리에틸렌(PE), 폴리비닐리덴 플루오라이드(PVDF), 폴리에테르 에테르 케톤(PEEK)으로 구성된 군으로부터 선택된 중합체의 조합을 포함할 수 있고,
-무기 입자는 알루미늄 옥사이드(Al203), 규소 디옥사이드(Si02), 티타늄 디옥사이드(TiO2), 칼슘 카보네이트(CaC03)로 구성된 군으로부터 선택될 수 있고,
각각의 분리 요소(13)는 35% 내지 80%의 다공도 및 12 마이크로미터 내지 30 마이크로미터의 두께를 가질 수 있는 방법. - 제1항에 있어서, 제3 전극(17)은 다층 라미네이팅된 요소(14) 및 제2 전극(16)과 함께 라미네이팅되도록 제공되고, 상기 다층 라미네이팅된 요소(14)는 상기 전극(16, 17)으로 라미네이팅되지 않고 제3 전극(17)과 제2 전극(16) 사이에 개재되는 방법.
- 제1항에 있어서, 추가 분리 요소(13')가 다층 라미네이팅된 요소(14)와 제2 전극(16)과 함께 라미네이팅되도록 제공되고, 다층 라미네이팅된 요소(14)는 추가 분리 요소(13')와 제2 전극(16) 사이에 개재되는 방법.
- 제1항에 있어서, 제1 전극(12)은 음극(C)이고 제2 전극(16)은 양극(A)인 방법.
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